任务组功能实现

Aria/build.gradle

@@ -2,7 +2,7 @@ apply plugin: 'com.android.library'
 
 android {
   compileSdkVersion 23
-  buildToolsVersion '25.0.2'
+  buildToolsVersion '25.0.3'
 
   defaultConfig {
     minSdkVersion 9
@@ -22,8 +22,7 @@ dependencies {
   compile fileTree(include: ['*.jar'], dir: 'libs')
   testCompile 'junit:junit:4.12'
   compile 'com.android.support:appcompat-v7:23.1.1'
-  compile project(':AriaCompiler')
-//    compile project(':AriaAnnotations')
+//  compile project(':AriaCompiler')
+    compile project(':AriaAnnotations') //gradle 打包时打开这个
 }
-//apply from: 'bintray-release.gradle'
-//apply from: 'jcenter.gradle'
+apply from: 'bintray-release.gradle'

Aria/jcenter.gradle

@@ -76,7 +76,7 @@ artifacts {
 //################################# jcenter 上传配置 start #########################################
 bintray {
 //  user = hasProperty("bintrayUser") ? getProperty("bintrayUser") : getProperty("BINTRAY_USER")
-//  key = hasProperty("bintrayKey") ? getProperty("bintrayKey") : getProperty("BINTRAY_KEY")
+//  groupName = hasProperty("bintrayKey") ? getProperty("bintrayKey") : getProperty("BINTRAY_KEY")
   user = BINTRAY_USER
   key = BINTRAY_KEY
   configurations = ['archives']

Aria/src/main/java/com/arialyy/aria/core/Aria.java

@@ -59,62 +59,6 @@ import com.arialyy.aria.core.upload.UploadTask;
  * </pre>
  */
 @TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1) public class Aria {
-  /**
-   * 不支持断点
-   */
-  public static final String ACTION_SUPPORT_BREAK_POINT = "ACTION_SUPPORT_BREAK_POINT";
-  /**
-   * 预处理完成
-   */
-  public static final String ACTION_PRE = "ACTION_PRE";
-  /**
-   * 下载开始前事件
-   */
-  public static final String ACTION_POST_PRE = "ACTION_POST_PRE";
-  /**
-   * 开始下载事件
-   */
-  public static final String ACTION_START = "ACTION_START";
-  /**
-   * 恢复下载事件
-   */
-  public static final String ACTION_RESUME = "ACTION_RESUME";
-  /**
-   * 正在下载事件
-   */
-  public static final String ACTION_RUNNING = "ACTION_RUNNING";
-  /**
-   * 停止下载事件
-   */
-  public static final String ACTION_STOP = "ACTION_STOP";
-  /**
-   * 取消下载事件
-   */
-  public static final String ACTION_CANCEL = "ACTION_CANCEL";
-  /**
-   * 下载完成事件
-   */
-  public static final String ACTION_COMPLETE = "ACTION_COMPLETE";
-  /**
-   * 下载失败事件
-   */
-  public static final String ACTION_FAIL = "ACTION_FAIL";
-  /**
-   * 下载实体
-   */
-  public static final String DOWNLOAD_ENTITY = "DOWNLOAD_ENTITY";
-  /**
-   * 上传实体
-   */
-  public static final String UPLOAD_ENTITY = "UPLOAD_ENTITY";
-  /**
-   * 位置
-   */
-  public static final String CURRENT_LOCATION = "CURRENT_LOCATION";
-  /**
-   * 速度
-   */
-  public static final String CURRENT_SPEED = "CURRENT_SPEED";
 
   private Aria() {
   }

Aria/src/main/java/com/arialyy/aria/core/AriaManager.java

@@ -29,14 +29,13 @@ import android.text.TextUtils;
 import android.util.Log;
 import android.widget.PopupWindow;
 import com.arialyy.aria.core.download.DownloadReceiver;
-import com.arialyy.aria.core.inf.ICmd;
+import com.arialyy.aria.core.command.ICmd;
 import com.arialyy.aria.core.inf.IReceiver;
 import com.arialyy.aria.core.upload.UploadReceiver;
 import com.arialyy.aria.orm.DbUtil;
 import com.arialyy.aria.util.CommonUtil;
 import java.io.File;
 import java.io.IOException;
-import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Iterator;
@@ -86,6 +85,26 @@ import org.xml.sax.SAXException;
     return mReceivers;
   }
 
+  /**
+   * 设置上传任务的执行队列类型
+   *
+   * @param mod {@link com.arialyy.aria.core.QueueMod}
+   */
+  public AriaManager setUploadQueueMod(QueueMod mod) {
+    mUConfig.setQueueMod(mod.tag);
+    return this;
+  }
+
+  /**
+   * 设置下载任务的执行队列类型
+   *
+   * @param mod {@link com.arialyy.aria.core.QueueMod}
+   */
+  public AriaManager setDownloadQueueMod(QueueMod mod) {
+    mDConfig.setQueueMod(mod.tag);
+    return this;
+  }
+
   /**
    * 如果需要在代码中修改下载配置，请使用以下方法
    * <pre>

Aria/src/main/java/com/arialyy/aria/core/ConfigHelper.java

@@ -54,9 +54,6 @@ class ConfigHelper extends DefaultHandler {
         case "threadNum":
           loadThreadNum(value);
           break;
-        case "openBroadcast":
-          loadBroadcast(value);
-          break;
         case "maxTaskNum":
           loadMaxQueue(value);
           break;
@@ -86,16 +83,33 @@ class ConfigHelper extends DefaultHandler {
         case "maxSpeed":
           loadMaxSpeed(value);
           break;
+        case "queueMod":
+          loadQueueMod(value);
+          break;
       }
     }
   }
 
+  private void loadQueueMod(String value) {
+    String mod = "now";
+    if (!TextUtils.isEmpty(value) && (value.equalsIgnoreCase("now") || value.equalsIgnoreCase(
+        "wait"))) {
+      mod = value;
+    }
+    if (isDownloadConfig) {
+      mDownloadConfig.queueMod = mod;
+    }
+    if (isUploadConfig) {
+      mUploadConfig.queueMod = mod;
+    }
+  }
+
   private void loadMaxSpeed(String value) {
     double maxSpeed = 0.0;
     if (!TextUtils.isEmpty(value)) {
       maxSpeed = Double.parseDouble(value);
     }
-    if (isDownloadConfig){
+    if (isDownloadConfig) {
       mDownloadConfig.msxSpeed = maxSpeed;
     }
   }
@@ -207,16 +221,6 @@ class ConfigHelper extends DefaultHandler {
     }
   }
 
-  private void loadBroadcast(String value) {
-    boolean open = Boolean.parseBoolean(value);
-    if (isDownloadConfig) {
-      mDownloadConfig.isOpenBreadCast = open;
-    }
-    if (isUploadConfig) {
-      mUploadConfig.isOpenBreadCast = open;
-    }
-  }
-
   private void loadThreadNum(String value) {
     int num = 3;
     if (!TextUtils.isEmpty(value)) {

Aria/src/main/java/com/arialyy/aria/core/QueueMod.java

@@ -0,0 +1,31 @@
+package com.arialyy.aria.core;
+
+/**
+ * Created by Aria.Lao on 2017/6/21.
+ * 执行队列类型
+ */
+public enum QueueMod {
+  /**
+   * 等待模式，
+   * 如果执行队列已经满了，再对其它任务（TASK_A）使用start命令执行任务时
+   * 1、TASK_A添加到缓存队列中，当执行队列中的任务完成时，系统会将自动执行缓存队列中的TASK_A
+   * 2、如果再次对TASK_A使用start命令，TASK_A将会立刻执行
+   */
+  WAIT("wait"),
+
+  /**
+   * 立刻执行模式
+   * 如果执行队列已经满了，再次使用start命令执行任务时，该任务会添加到执行队列队尾，而原来执行队列的队首任务会停止
+   */
+  NOW("now");
+
+  String tag;
+
+  public String getTag() {
+    return tag;
+  }
+
+  QueueMod(String tag) {
+    this.tag = tag;
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/command/AbsCmd.java

@@ -16,43 +16,20 @@
 
 package com.arialyy.aria.core.command;
 
-import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
-import com.arialyy.aria.core.queue.DownloadTaskQueue;
 import com.arialyy.aria.core.queue.ITaskQueue;
-import com.arialyy.aria.core.inf.ICmd;
-import com.arialyy.aria.core.queue.UploadTaskQueue;
-import com.arialyy.aria.core.upload.UploadTaskEntity;
-import com.arialyy.aria.util.CheckUtil;
-import com.arialyy.aria.util.CommonUtil;
 
 /**
- * Created by lyy on 2016/8/22.
- * 下载命令
+ * Created by AriaL on 2017/6/29.
  */
-public abstract class AbsCmd<T extends AbsTaskEntity> implements ICmd {
-  ITaskQueue mQueue;
-  T mEntity;
-  String TAG;
-  String mTargetName;
+public abstract class AbsCmd<T extends AbsTaskEntity> implements ICmd{
+  protected ITaskQueue mQueue;
+  protected T mTaskEntity;
+  protected String TAG;
+  protected String mTargetName;
   /**
-   * 能否执行命令
+   * 是否是下载任务的命令
+   * {@code true} 下载任务的命令，{@code false} 上传任务的命令
    */
-  boolean canExeCmd = true;
-
-  /**
-   * @param targetName 产生任务的对象名
-   */
-  AbsCmd(String targetName, T entity) {
-    canExeCmd = CheckUtil.checkCmdEntity(entity,
-        !(this instanceof CancelCmd) || !(this instanceof StopCmd));
-    mTargetName = targetName;
-    mEntity = entity;
-    TAG = CommonUtil.getClassName(this);
-    if (entity instanceof DownloadTaskEntity) {
-      mQueue = DownloadTaskQueue.getInstance();
-    } else if (entity instanceof UploadTaskEntity) {
-      mQueue = UploadTaskQueue.getInstance();
-    }
-  }
+  protected boolean isDownloadCmd = true;
 }

Aria/src/main/java/com/arialyy/aria/core/command/AbsCmdFactory.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.command;
+
+import com.arialyy.aria.core.inf.AbsTaskEntity;
+
+/**
+ * Created by AriaL on 2017/6/29.
+ * 抽象命令工厂
+ */
+public abstract class AbsCmdFactory<CMD extends AbsCmd> {
+
+  /**
+   * @param target 创建任务的对象
+   * @param entity 下载实体
+   */
+  public abstract <T extends AbsTaskEntity> CMD createCmd(String target, T entity, int type);
+}

Aria/src/main/java/com/arialyy/aria/core/command/ICmd.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.arialyy.aria.core.inf;
+package com.arialyy.aria.core.command;
 
 /**
  * Created by lyy on 2017/2/9.
@@ -23,5 +23,5 @@ public interface ICmd {
   /**
    * 执行命令
    */
-  public abstract void executeCmd();
+  void executeCmd();
 }

Aria/src/main/java/com/arialyy/aria/core/command/group/AbsGroupCmd.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.command.group;
+
+import com.arialyy.aria.core.command.AbsCmd;
+import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
+import com.arialyy.aria.core.download.DownloadTaskEntity;
+import com.arialyy.aria.core.inf.AbsTaskEntity;
+import com.arialyy.aria.core.queue.DownloadGroupTaskQueue;
+import com.arialyy.aria.core.queue.DownloadTaskQueue;
+import com.arialyy.aria.core.queue.UploadTaskQueue;
+import com.arialyy.aria.core.upload.UploadTaskEntity;
+import com.arialyy.aria.util.CommonUtil;
+
+/**
+ * Created by AriaL on 2017/6/29.
+ * 任务组命令
+ */
+abstract class AbsGroupCmd<T extends AbsTaskEntity> extends AbsCmd<T> {
+
+  /**
+   * @param targetName 创建任务的对象名
+   */
+  AbsGroupCmd(String targetName, T entity) {
+    mTargetName = targetName;
+    mTaskEntity = entity;
+    TAG = CommonUtil.getClassName(this);
+    if (entity instanceof DownloadGroupTaskEntity) {
+      mQueue = DownloadGroupTaskQueue.getInstance();
+      isDownloadCmd = true;
+    }
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/command/group/GroupCancelCmd.java

@@ -13,34 +13,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+package com.arialyy.aria.core.command.group;
 
-package com.arialyy.aria.core.command;
-
-import android.text.TextUtils;
-import com.arialyy.aria.core.inf.ITask;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 
 /**
- * Created by lyy on 2016/8/22.
- * 开始命令
+ * Created by AriaL on 2017/6/29.
+ * 删除任务组
  */
-class StartCmd<T extends AbsTaskEntity> extends AbsCmd<T> {
-
-  StartCmd(String targetName, T entity) {
+class GroupCancelCmd<T extends AbsTaskEntity> extends AbsGroupCmd<T> {
+  /**
+   * @param targetName 创建任务的对象名
+   */
+  GroupCancelCmd(String targetName, T entity) {
     super(targetName, entity);
   }
 
   @Override public void executeCmd() {
-    if (!canExeCmd) return;
-    ITask task = mQueue.getTask(mEntity.getEntity());
-    if (task == null) {
-      task = mQueue.createTask(mTargetName, mEntity);
-    }
-    if (task != null) {
-      if (!TextUtils.isEmpty(mTargetName)) {
-        task.setTargetName(mTargetName);
-      }
-      mQueue.startTask(task);
-    }
+
   }
 }

Aria/src/main/java/com/arialyy/aria/core/command/group/GroupCmdFactory.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.command.group;
+
+import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.command.AbsCmdFactory;
+import com.arialyy.aria.core.inf.AbsTaskEntity;
+
+/**
+ * Created by AriaL on 2017/6/29.
+ */
+class GroupCmdFactory extends AbsCmdFactory<AbsGroupCmd> {
+  /**
+   * 启动任务
+   */
+  public static final int TASK_START = 0xa1;
+  /**
+   * 停止任务
+   */
+  public static final int TASK_STOP = 0xa2;
+  /**
+   * 取消任务
+   */
+  public static final int TASK_CANCEL = 0xa3;
+
+  private static volatile GroupCmdFactory INSTANCE = null;
+
+  private GroupCmdFactory() {
+
+  }
+
+  public static GroupCmdFactory getInstance() {
+    if (INSTANCE == null) {
+      synchronized (AriaManager.LOCK) {
+        INSTANCE = new GroupCmdFactory();
+      }
+    }
+    return INSTANCE;
+  }
+
+  /**
+   * @param target 创建任务的对象
+   * @param entity 下载实体
+   * @param type 命令类型{@link #TASK_START}、{@link #TASK_CANCEL}、{@link #TASK_STOP}
+   */
+  public <T extends AbsTaskEntity> AbsGroupCmd<T> createCmd(String target, T entity, int type) {
+    switch (type) {
+      case TASK_START:
+        return new GroupStartCmd<>(target, entity);
+      case TASK_STOP:
+        return new GroupStopCmd<>(target, entity);
+      case TASK_CANCEL:
+        return new GroupCancelCmd<>(target, entity);
+      default:
+        return null;
+    }
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/command/group/GroupStartCmd.java

@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.command.group;
+
+import android.text.TextUtils;
+import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.QueueMod;
+import com.arialyy.aria.core.inf.AbsGroupTask;
+import com.arialyy.aria.core.inf.AbsTaskEntity;
+import com.arialyy.aria.core.inf.IEntity;
+
+/**
+ * Created by AriaL on 2017/6/29.
+ * 任务组开始命令，该命令负责开始下载或恢复下载的操作
+ */
+class GroupStartCmd<T extends AbsTaskEntity> extends AbsGroupCmd<T> {
+  /**
+   * @param targetName 创建任务的对象名
+   */
+  GroupStartCmd(String targetName, T entity) {
+    super(targetName, entity);
+  }
+
+  @Override public void executeCmd() {
+    String mod;
+    int maxTaskNum;
+    AriaManager manager = AriaManager.getInstance(AriaManager.APP);
+    if (isDownloadCmd) {
+      mod = manager.getDownloadConfig().getQueueMod();
+      maxTaskNum = manager.getDownloadConfig().getMaxTaskNum();
+    } else {
+      mod = manager.getUploadConfig().getQueueMod();
+      maxTaskNum = manager.getUploadConfig().getMaxTaskNum();
+    }
+
+    AbsGroupTask task = (AbsGroupTask) mQueue.getTask(mTaskEntity.getEntity());
+    if (task == null) {
+      task = (AbsGroupTask) mQueue.createTask(mTargetName, mTaskEntity);
+      if (!TextUtils.isEmpty(mTargetName)) {
+        task.setTargetName(mTargetName);
+      }
+      // 任务不存在时，根据配置不同，对任务执行操作
+      if (mod.equals(QueueMod.NOW.getTag())) {
+        mQueue.startTask(task);
+      } else if (mod.equals(QueueMod.WAIT.getTag())) {
+        if (mQueue.getCurrentExePoolNum() < maxTaskNum) {
+          mQueue.startTask(task);
+        }
+      }
+    } else {
+      // 任务不存在时，根据配置不同，对任务执行操作
+      if (!task.isRunning()
+          && mod.equals(QueueMod.WAIT.getTag())
+          && task.getState() == IEntity.STATE_WAIT) {
+        mQueue.startTask(task);
+      }
+    }
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/command/group/GroupStopCmd.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.command.group;
+
+import com.arialyy.aria.core.inf.AbsTaskEntity;
+
+/**
+ * Created by AriaL on 2017/6/29.
+ * 停止任务组的命令
+ */
+class GroupStopCmd<T extends AbsTaskEntity> extends AbsGroupCmd<T>{
+  /**
+   * @param targetName 创建任务的对象名
+   */
+  GroupStopCmd(String targetName, T entity) {
+    super(targetName, entity);
+  }
+
+  @Override public void executeCmd() {
+
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/command/normal/AbsNormalCmd.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.arialyy.aria.core.command.normal;
+
+import com.arialyy.aria.core.command.AbsCmd;
+import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
+import com.arialyy.aria.core.download.DownloadTaskEntity;
+import com.arialyy.aria.core.inf.AbsTaskEntity;
+import com.arialyy.aria.core.queue.DownloadGroupTaskQueue;
+import com.arialyy.aria.core.queue.DownloadTaskQueue;
+import com.arialyy.aria.core.queue.UploadTaskQueue;
+import com.arialyy.aria.core.upload.UploadTaskEntity;
+import com.arialyy.aria.util.CheckUtil;
+import com.arialyy.aria.util.CommonUtil;
+
+/**
+ * Created by lyy on 2016/8/22.
+ * 下载命令
+ */
+public abstract class AbsNormalCmd<T extends AbsTaskEntity> extends AbsCmd<T> {
+
+  /**
+   * 能否执行命令
+   */
+  boolean canExeCmd = true;
+
+  /**
+   * @param targetName 产生任务的对象名
+   */
+  AbsNormalCmd(String targetName, T entity) {
+    //canExeCmd = CheckUtil.checkCmdEntity(entity,
+    //    !(this instanceof CancelCmd) || !(this instanceof StopCmd));
+    mTargetName = targetName;
+    mTaskEntity = entity;
+    TAG = CommonUtil.getClassName(this);
+    if (entity instanceof DownloadTaskEntity) {
+      mQueue = DownloadTaskQueue.getInstance();
+      isDownloadCmd = true;
+    } else if (entity instanceof UploadTaskEntity) {
+      mQueue = UploadTaskQueue.getInstance();
+      isDownloadCmd = false;
+    } else if (entity instanceof DownloadGroupTaskEntity) {
+      mQueue = DownloadGroupTaskQueue.getInstance();
+      isDownloadCmd = true;
+    }
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/command/normal/AddCmd.java

@@ -14,18 +14,18 @@
  * limitations under the License.
  */
 
-package com.arialyy.aria.core.command;
+package com.arialyy.aria.core.command.normal;
 
 import android.util.Log;
+import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.IEntity;
-import com.arialyy.aria.core.inf.ITask;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 
 /**
  * Created by lyy on 2016/8/22.
  * 添加任务的命令
  */
-class AddCmd<T extends AbsTaskEntity> extends AbsCmd<T> {
+class AddCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T> {
 
   AddCmd(String targetName, T entity) {
     super(targetName, entity);
@@ -33,10 +33,10 @@ class AddCmd<T extends AbsTaskEntity> extends AbsCmd<T> {
 
   @Override public void executeCmd() {
     if (!canExeCmd) return;
-    ITask task = mQueue.getTask(mEntity.getEntity());
+    AbsTask task = mQueue.getTask(mTaskEntity.getEntity());
     if (task == null) {
-      mEntity.getEntity().setState(IEntity.STATE_WAIT);
-      mQueue.createTask(mTargetName, mEntity);
+      mTaskEntity.getEntity().setState(IEntity.STATE_WAIT);
+      mQueue.createTask(mTargetName, mTaskEntity);
     } else {
       Log.w(TAG, "添加命令执行失败，【该任务已经存在】");
     }

Aria/src/main/java/com/arialyy/aria/core/command/normal/CancelAllCmd.java

@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.arialyy.aria.core.command.normal;
+
+import com.arialyy.aria.core.download.DownloadGroupEntity;
+import com.arialyy.aria.core.download.DownloadTaskEntity;
+import com.arialyy.aria.core.inf.AbsTaskEntity;
+import com.arialyy.aria.core.upload.UploadTaskEntity;
+import com.arialyy.aria.orm.DbEntity;
+import com.arialyy.aria.util.CommonUtil;
+import java.util.List;
+
+/**
+ * Created by AriaL on 2017/6/27.
+ * 删除所有任务，并且删除所有回掉
+ */
+final class CancelAllCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T> {
+  /**
+   * @param targetName 产生任务的对象名
+   */
+  CancelAllCmd(String targetName, T entity) {
+    super(targetName, entity);
+  }
+
+  @Override public void executeCmd() {
+    mQueue.removeAllTask();
+    if (mTaskEntity instanceof DownloadTaskEntity) {
+      handleDownloadRemove();
+    } else {
+      handleUploadRemove();
+    }
+  }
+
+  /**
+   * 处理上传的删除
+   */
+  private void handleUploadRemove() {
+    List<UploadTaskEntity> allEntity = DbEntity.findAllData(UploadTaskEntity.class);
+    for (UploadTaskEntity entity : allEntity) {
+      CommonUtil.delUploadTaskConfig(mTaskEntity.removeFile, entity);
+    }
+  }
+
+  /**
+   * 处理下载的删除
+   */
+  private void handleDownloadRemove() {
+    List<DownloadTaskEntity> allEntity = DbEntity.findAllData(DownloadTaskEntity.class);
+    for (DownloadTaskEntity entity : allEntity) {
+      CommonUtil.delDownloadTaskConfig(mTaskEntity.removeFile, entity);
+    }
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/command/normal/CancelCmd.java

@@ -14,32 +14,33 @@
  * limitations under the License.
  */
 
-package com.arialyy.aria.core.command;
+package com.arialyy.aria.core.command.normal;
 
 import android.text.TextUtils;
-import com.arialyy.aria.core.inf.ITask;
+import com.arialyy.aria.core.inf.AbsNormalTask;
+import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 
 /**
  * Created by lyy on 2016/9/20.
  * 取消命令
  */
-class CancelCmd<T extends AbsTaskEntity> extends AbsCmd<T> {
+class CancelCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T> {
   CancelCmd(String targetName, T entity) {
     super(targetName, entity);
   }
 
   @Override public void executeCmd() {
     if (!canExeCmd) return;
-    ITask task = mQueue.getTask(mEntity.getEntity());
+    AbsTask task = mQueue.getTask(mTaskEntity.getEntity());
     if (task == null) {
-      task = mQueue.createTask(mTargetName, mEntity);
+      task = mQueue.createTask(mTargetName, mTaskEntity);
     }
     if (task != null) {
       if (!TextUtils.isEmpty(mTargetName)) {
         task.setTargetName(mTargetName);
       }
-      mQueue.cancelTask(task);
+      mQueue.removeTask(task);
     }
   }
 }

Aria/src/main/java/com/arialyy/aria/core/command/normal/HighestPriorityCmd.java

@@ -13,11 +13,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.arialyy.aria.core.command;
+package com.arialyy.aria.core.command.normal;
 
 import android.text.TextUtils;
-import com.arialyy.aria.core.inf.ITask;
+import com.arialyy.aria.core.download.DownloadTask;
+import com.arialyy.aria.core.inf.AbsNormalTask;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
+import com.arialyy.aria.core.queue.DownloadTaskQueue;
 
 /**
  * Created by lyy on 2017/6/2.
@@ -28,8 +30,10 @@ import com.arialyy.aria.core.inf.AbsTaskEntity;
  * 4、用户手动暂停或任务完成后，第二次重新执行该任务，该命令将失效
  * 5、如果下载队列中已经满了，则会停止队尾的任务，当高优先级任务完成后，该队尾任务将自动执行
  * 6、把任务设置为最高优先级任务后，将自动执行任务，不需要重新调用start()启动任务
+ *
+ * 目前只只支持单下载任务的最高优先级任务
  */
-final class HighestPriorityCmd<T extends AbsTaskEntity> extends AbsCmd<T> {
+final class HighestPriorityCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T> {
   /**
    * @param targetName 产生任务的对象名
    */
@@ -39,15 +43,15 @@ final class HighestPriorityCmd<T extends AbsTaskEntity> extends AbsCmd<T> {
 
   @Override public void executeCmd() {
     if (!canExeCmd) return;
-    ITask task = mQueue.getTask(mEntity.getEntity());
+    DownloadTask task = (DownloadTask) mQueue.getTask(mTaskEntity.getEntity());
     if (task == null) {
-      task = mQueue.createTask(mTargetName, mEntity);
+      task = (DownloadTask) mQueue.createTask(mTargetName, mTaskEntity);
     }
     if (task != null) {
       if (!TextUtils.isEmpty(mTargetName)) {
         task.setTargetName(mTargetName);
       }
-      mQueue.setTaskHighestPriority(task);
+      ((DownloadTaskQueue) mQueue).setTaskHighestPriority(task);
     }
   }
 }

Aria/src/main/java/com/arialyy/aria/core/command/normal/NormalCmdFactory.java

@@ -14,16 +14,17 @@
  * limitations under the License.
  */
 
-package com.arialyy.aria.core.command;
+package com.arialyy.aria.core.command.normal;
 
 import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.command.AbsCmdFactory;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 
 /**
  * Created by Lyy on 2016/9/23.
  * 命令工厂
  */
-public class CmdFactory {
+public class NormalCmdFactory extends AbsCmdFactory<AbsNormalCmd> {
   /**
    * 创建任务
    */
@@ -56,17 +57,20 @@ public class CmdFactory {
    * 恢复所有停止的任务
    */
   public static final int TASK_RESUME_ALL = 0x130;
+  /**
+   * 删除所有任务，
+   */
+  public static final int TASK_CANCEL_ALL = 0x131;
+  private static volatile NormalCmdFactory INSTANCE = null;
 
-  private static volatile CmdFactory INSTANCE = null;
-
-  private CmdFactory() {
+  private NormalCmdFactory() {
 
   }
 
-  public static CmdFactory getInstance() {
+  public static NormalCmdFactory getInstance() {
     if (INSTANCE == null) {
       synchronized (AriaManager.LOCK) {
-        INSTANCE = new CmdFactory();
+        INSTANCE = new NormalCmdFactory();
       }
     }
     return INSTANCE;
@@ -78,7 +82,7 @@ public class CmdFactory {
    * @param type 命令类型{@link #TASK_CREATE}、{@link #TASK_START}、{@link #TASK_CANCEL}、{@link
    * #TASK_STOP}、{@link #TASK_HIGHEST_PRIORITY}、{@link #TASK_STOP_ALL}、{@link #TASK_RESUME_ALL}
    */
-  public <T extends AbsTaskEntity> AbsCmd<T> createCmd(String target, T entity, int type) {
+  public <T extends AbsTaskEntity> AbsNormalCmd<T> createCmd(String target, T entity, int type) {
     switch (type) {
       case TASK_CREATE:
         return new AddCmd<>(target, entity);
@@ -95,6 +99,8 @@ public class CmdFactory {
         return new StopAllCmd<>(target, entity);
       case TASK_RESUME_ALL:
         return new ResumeAllCmd<>(target, entity);
+      case TASK_CANCEL_ALL:
+        return new CancelAllCmd<>(target, entity);
       default:
         return null;
     }

Aria/src/main/java/com/arialyy/aria/core/command/normal/ResumeAllCmd.java

@@ -1,11 +1,11 @@
-package com.arialyy.aria.core.command;
+package com.arialyy.aria.core.command.normal;
 
 import android.util.Log;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
+import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.inf.IEntity;
-import com.arialyy.aria.core.inf.ITask;
 import com.arialyy.aria.orm.DbEntity;
 import java.util.List;
 
@@ -15,7 +15,7 @@ import java.util.List;
  * 1.如果执行队列没有满，则开始下载任务，直到执行队列满
  * 2.如果队列执行队列已经满了，则将所有任务添加到等待队列中
  */
-final class ResumeAllCmd<T extends AbsTaskEntity> extends AbsCmd<T> {
+final class ResumeAllCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T> {
   /**
    * @param targetName 产生任务的对象名
    */
@@ -27,9 +27,9 @@ final class ResumeAllCmd<T extends AbsTaskEntity> extends AbsCmd<T> {
     List<DownloadEntity> allEntity =
         DbEntity.findDatas(DownloadEntity.class, "state=?", IEntity.STATE_STOP + "");
     for (DownloadEntity entity : allEntity) {
-      int exeNum = mQueue.getExeTaskNum();
+      int exeNum = mQueue.getCurrentExePoolNum();
       if (exeNum == 0 || exeNum < mQueue.getMaxTaskNum()) {
-        ITask task = createTask(entity);
+        AbsTask task = createTask(entity);
         mQueue.startTask(task);
       } else {
         entity.setState(IEntity.STATE_WAIT);
@@ -38,10 +38,11 @@ final class ResumeAllCmd<T extends AbsTaskEntity> extends AbsCmd<T> {
     }
   }
 
-  private ITask createTask(DownloadEntity entity) {
-    ITask task = mQueue.getTask(entity);
+  private AbsTask createTask(DownloadEntity entity) {
+    AbsTask task = mQueue.getTask(entity);
     if (task == null) {
-      DownloadTaskEntity taskEntity = new DownloadTaskEntity(entity);
+      DownloadTaskEntity taskEntity = new DownloadTaskEntity();
+      taskEntity.entity = entity;
       task = mQueue.createTask(mTargetName, taskEntity);
     } else {
       Log.w(TAG, "添加命令执行失败，【该任务已经存在】");

Aria/src/main/java/com/arialyy/aria/core/command/normal/StartCmd.java

@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.arialyy.aria.core.command.normal;
+
+import android.text.TextUtils;
+import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.QueueMod;
+import com.arialyy.aria.core.download.DownloadGroupTask;
+import com.arialyy.aria.core.download.DownloadTask;
+import com.arialyy.aria.core.inf.AbsTask;
+import com.arialyy.aria.core.inf.IEntity;
+import com.arialyy.aria.core.inf.AbsTaskEntity;
+import com.arialyy.aria.core.queue.DownloadGroupTaskQueue;
+import com.arialyy.aria.core.queue.DownloadTaskQueue;
+import com.arialyy.aria.core.scheduler.DQueueMapping;
+import com.arialyy.aria.orm.Primary;
+
+/**
+ * Created by lyy on 2016/8/22.
+ * 开始命令
+ * 队列模型{@link QueueMod#NOW}、{@link QueueMod#WAIT}
+ */
+class StartCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T> {
+
+  StartCmd(String targetName, T entity) {
+    super(targetName, entity);
+  }
+
+  @Override public void executeCmd() {
+    if (!canExeCmd) return;
+    String mod;
+    int maxTaskNum;
+    AriaManager manager = AriaManager.getInstance(AriaManager.APP);
+    if (isDownloadCmd) {
+      mod = manager.getDownloadConfig().getQueueMod();
+      maxTaskNum = manager.getDownloadConfig().getMaxTaskNum();
+    } else {
+      mod = manager.getUploadConfig().getQueueMod();
+      maxTaskNum = manager.getUploadConfig().getMaxTaskNum();
+    }
+
+    AbsTask task = mQueue.getTask(mTaskEntity.getEntity());
+    if (task == null) {
+      task = mQueue.createTask(mTargetName, mTaskEntity);
+      if (!TextUtils.isEmpty(mTargetName)) {
+        task.setTargetName(mTargetName);
+      }
+      // 任务不存在时，根据配置不同，对任务执行操作
+      if (mod.equals(QueueMod.NOW.getTag())) {
+        mQueue.startTask(task);
+      } else if (mod.equals(QueueMod.WAIT.getTag())) {
+        if (mQueue.getCurrentExePoolNum() < maxTaskNum
+            || task.getState() == IEntity.STATE_STOP
+            || task.getState() == IEntity.STATE_COMPLETE) {
+          mQueue.startTask(task);
+        }
+      }
+    } else {
+      // 任务不存在时，根据配置不同，对任务执行操作
+      if (!task.isRunning()) {
+        mQueue.startTask(task);
+      }
+    }
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/command/normal/StopAllCmd.java

@@ -1,4 +1,4 @@
-package com.arialyy.aria.core.command;
+package com.arialyy.aria.core.command.normal;
 
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 
@@ -6,7 +6,7 @@ import com.arialyy.aria.core.inf.AbsTaskEntity;
  * Created by AriaL on 2017/6/13.
  * 停止所有任务的命令，并清空所有等待队列
  */
-final class StopAllCmd<T extends AbsTaskEntity> extends AbsCmd<T> {
+final class StopAllCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T> {
   /**
    * @param targetName 产生任务的对象名
    */

Aria/src/main/java/com/arialyy/aria/core/command/normal/StopCmd.java

@@ -14,19 +14,19 @@
  * limitations under the License.
  */
 
-package com.arialyy.aria.core.command;
+package com.arialyy.aria.core.command.normal;
 
 import android.text.TextUtils;
 import android.util.Log;
+import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.IEntity;
-import com.arialyy.aria.core.inf.ITask;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 
 /**
  * Created by lyy on 2016/9/20.
  * 停止命令
  */
-class StopCmd<T extends AbsTaskEntity> extends AbsCmd<T> {
+class StopCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T> {
 
   StopCmd(String targetName, T entity) {
     super(targetName, entity);
@@ -34,10 +34,10 @@ class StopCmd<T extends AbsTaskEntity> extends AbsCmd<T> {
 
   @Override public void executeCmd() {
     if (!canExeCmd) return;
-    ITask task = mQueue.getTask(mEntity.getEntity());
+    AbsTask task = mQueue.getTask(mTaskEntity.getEntity());
     if (task == null) {
-      if (mEntity.getEntity().getState() == IEntity.STATE_RUNNING) {
-        task = mQueue.createTask(mTargetName, mEntity);
+      if (mTaskEntity.getEntity().getState() == IEntity.STATE_RUNNING) {
+        task = mQueue.createTask(mTargetName, mTaskEntity);
         mQueue.stopTask(task);
       } else {
         Log.w(TAG, "停止命令执行失败，【调度器中没有该任务】");

Aria/src/main/java/com/arialyy/aria/core/download/DListener.java

@@ -0,0 +1,144 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.download;
+
+import android.os.Handler;
+import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.download.downloader.DownloadListener;
+import com.arialyy.aria.core.inf.AbsEntity;
+import com.arialyy.aria.core.inf.AbsTask;
+import com.arialyy.aria.core.inf.IEntity;
+import com.arialyy.aria.core.scheduler.ISchedulers;
+import com.arialyy.aria.util.CommonUtil;
+import java.lang.ref.WeakReference;
+
+/**
+ * 下载监听类
+ */
+class DListener<ENTITY extends AbsEntity, TASK extends AbsTask<ENTITY>>
+    extends DownloadListener {
+  private WeakReference<Handler> outHandler;
+  private long lastLen = 0;   //上一次发送长度
+  private boolean isFirst = true;
+  private ENTITY entity;
+  private TASK task;
+  private boolean isConvertSpeed = false;
+  boolean isWait = false;
+
+  DListener(TASK task, Handler outHandler) {
+    this.outHandler = new WeakReference<>(outHandler);
+    this.task = new WeakReference<>(task).get();
+    this.entity = this.task.getEntity();
+    final AriaManager manager = AriaManager.getInstance(AriaManager.APP);
+    isConvertSpeed = manager.getDownloadConfig().isConvertSpeed();
+  }
+
+  @Override public void onPre() {
+    saveData(IEntity.STATE_PRE, -1);
+    sendInState2Target(ISchedulers.PRE);
+  }
+
+  @Override public void onPostPre(long fileSize) {
+    entity.setFileSize(fileSize);
+    entity.setConvertFileSize(CommonUtil.formatFileSize(fileSize));
+    saveData(IEntity.STATE_POST_PRE, -1);
+    sendInState2Target(ISchedulers.POST_PRE);
+  }
+
+  @Override public void onStart(long startLocation) {
+    saveData(IEntity.STATE_RUNNING, startLocation);
+    sendInState2Target(ISchedulers.START);
+  }
+
+  @Override public void onResume(long resumeLocation) {
+    saveData(IEntity.STATE_RUNNING, resumeLocation);
+    sendInState2Target(ISchedulers.RESUME);
+  }
+
+  @Override public void onProgress(long currentLocation) {
+    entity.setCurrentProgress(currentLocation);
+    long speed = currentLocation - lastLen;
+    if (isFirst) {
+      speed = 0;
+      isFirst = false;
+    }
+    handleSpeed(speed);
+    sendInState2Target(ISchedulers.RUNNING);
+    lastLen = currentLocation;
+  }
+
+  @Override public void onStop(long stopLocation) {
+    saveData(isWait ? IEntity.STATE_WAIT : IEntity.STATE_STOP, stopLocation);
+    handleSpeed(0);
+    sendInState2Target(ISchedulers.STOP);
+  }
+
+  @Override public void onCancel() {
+    saveData(IEntity.STATE_CANCEL, -1);
+    handleSpeed(0);
+    sendInState2Target(ISchedulers.CANCEL);
+  }
+
+  @Override public void onComplete() {
+    saveData(IEntity.STATE_COMPLETE, entity.getFileSize());
+    handleSpeed(0);
+    sendInState2Target(ISchedulers.COMPLETE);
+  }
+
+  @Override public void onFail() {
+    entity.setFailNum(entity.getFailNum() + 1);
+    saveData(IEntity.STATE_FAIL, -1);
+    handleSpeed(0);
+    sendInState2Target(ISchedulers.FAIL);
+  }
+
+  private void handleSpeed(long speed) {
+    if (isConvertSpeed) {
+      entity.setConvertSpeed(CommonUtil.formatFileSize(speed) + "/s");
+    } else {
+      entity.setSpeed(speed);
+    }
+  }
+
+  /**
+   * 将任务状态发送给下载器
+   *
+   * @param state {@link ISchedulers#START}
+   */
+  private void sendInState2Target(int state) {
+    if (outHandler.get() != null) {
+      outHandler.get().obtainMessage(state, task).sendToTarget();
+    }
+  }
+
+  private void saveData(int state, long location) {
+    if (state == IEntity.STATE_CANCEL) {
+      entity.deleteData();
+    } else if (state == IEntity.STATE_COMPLETE) {
+      entity.setState(state);
+      entity.setComplete(true);
+      entity.setCompleteTime(System.currentTimeMillis());
+      entity.setCurrentProgress(entity.getFileSize());
+      entity.update();
+    } else {
+      entity.setState(state);
+      if (location != -1) {
+        entity.setCurrentProgress(location);
+      }
+      entity.update();
+    }
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/download/DownloadEntity.java

@@ -18,25 +18,107 @@ package com.arialyy.aria.core.download;
 
 import android.os.Parcel;
 import android.os.Parcelable;
-import com.arialyy.aria.core.inf.AbsEntity;
-import com.arialyy.aria.orm.Ignore;
+import com.arialyy.aria.core.inf.AbsNormalEntity;
+import com.arialyy.aria.core.inf.AbsTaskEntity;
+import com.arialyy.aria.orm.Primary;
 
 /**
  * Created by lyy on 2015/12/25.
  * 下载实体
- * ！！！ 注意：CREATOR要进行@Ignore注解
- * ！！！并且需要Parcelable时需要手动填写rowID;
  */
-public class DownloadEntity extends AbsEntity implements Parcelable {
+public class DownloadEntity extends AbsNormalEntity implements Parcelable {
   private String downloadUrl = ""; //下载路径
-  private String downloadPath = ""; //保存路径
-  private boolean isDownloadComplete = false;   //是否下载完成
+  @Primary private String downloadPath = ""; //保存路径
   private boolean isRedirect = false; //是否重定向
   private String redirectUrl = ""; //重定向链接
 
+  /**
+   * 所属任务组
+   */
+  private String groupName = "";
+
+  /**
+   * 通过{@link AbsTaskEntity#md5Key}从服务器的返回信息中获取的文件md5信息，如果服务器没有返回，则不会设置该信息
+   * 如果你已经设置了该任务的MD5信息，Aria也不会从服务器返回的信息中获取该信息
+   */
+  private String md5Code = "";
+
+  /**
+   * 通过{@link AbsTaskEntity#dispositionKey}从服务器的返回信息中获取的文件描述信息
+   */
+  private String disposition = "";
+
+  /**
+   * 从disposition获取到的文件名，如果可以获取到，则会赋值到这个字段
+   */
+  private String serverFileName = "";
+
+  @Override public String getKey() {
+    return downloadUrl;
+  }
+
   public DownloadEntity() {
   }
 
+  @Override public String toString() {
+    return "DownloadEntity{"
+        + "downloadUrl='"
+        + downloadUrl
+        + '\''
+        + ", downloadPath='"
+        + downloadPath
+        + '\''
+        + ", isRedirect="
+        + isRedirect
+        + ", redirectUrl='"
+        + redirectUrl
+        + '\''
+        + ", groupName='"
+        + groupName
+        + '\''
+        + ", md5Code='"
+        + md5Code
+        + '\''
+        + ", disposition='"
+        + disposition
+        + '\''
+        + ", serverFileName='"
+        + serverFileName
+        + '\''
+        + '}';
+  }
+
+  public String getMd5Code() {
+    return md5Code;
+  }
+
+  public void setMd5Code(String md5Code) {
+    this.md5Code = md5Code;
+  }
+
+  public String getDisposition() {
+    return disposition;
+  }
+
+  public void setDisposition(String disposition) {
+    this.disposition = disposition;
+  }
+
+  public String getServerFileName() {
+    return serverFileName;
+  }
+
+  public void setServerFileName(String serverFileName) {
+    this.serverFileName = serverFileName;
+  }
+
+  public String getGroupName() {
+    return groupName;
+  }
+
+  public void setGroupName(String groupName) {
+    this.groupName = groupName;
+  }
 
   public String getDownloadUrl() {
     return downloadUrl;
@@ -56,14 +138,6 @@ public class DownloadEntity extends AbsEntity implements Parcelable {
     return this;
   }
 
-  public boolean isDownloadComplete() {
-    return isDownloadComplete;
-  }
-
-  public void setDownloadComplete(boolean downloadComplete) {
-    isDownloadComplete = downloadComplete;
-  }
-
   @Override public DownloadEntity clone() throws CloneNotSupportedException {
     return (DownloadEntity) super.clone();
   }
@@ -92,21 +166,27 @@ public class DownloadEntity extends AbsEntity implements Parcelable {
     super.writeToParcel(dest, flags);
     dest.writeString(this.downloadUrl);
     dest.writeString(this.downloadPath);
-    dest.writeByte(this.isDownloadComplete ? (byte) 1 : (byte) 0);
     dest.writeByte(this.isRedirect ? (byte) 1 : (byte) 0);
     dest.writeString(this.redirectUrl);
+    dest.writeString(this.groupName);
+    dest.writeString(this.md5Code);
+    dest.writeString(this.disposition);
+    dest.writeString(this.serverFileName);
   }
 
   protected DownloadEntity(Parcel in) {
     super(in);
     this.downloadUrl = in.readString();
     this.downloadPath = in.readString();
-    this.isDownloadComplete = in.readByte() != 0;
     this.isRedirect = in.readByte() != 0;
     this.redirectUrl = in.readString();
+    this.groupName = in.readString();
+    this.md5Code = in.readString();
+    this.disposition = in.readString();
+    this.serverFileName = in.readString();
   }
 
-  @Ignore public static final Creator<DownloadEntity> CREATOR = new Creator<DownloadEntity>() {
+  public static final Creator<DownloadEntity> CREATOR = new Creator<DownloadEntity>() {
     @Override public DownloadEntity createFromParcel(Parcel source) {
       return new DownloadEntity(source);
     }

Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupEntity.java

@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.download;
+
+import android.os.Parcel;
+import com.arialyy.aria.core.inf.AbsGroupEntity;
+import com.arialyy.aria.orm.NormalList;
+import com.arialyy.aria.orm.OneToMany;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by AriaL on 2017/6/29.
+ * 下载任务组实体
+ */
+public class DownloadGroupEntity extends AbsGroupEntity {
+
+  @OneToMany(table = DownloadEntity.class, key = "groupName") private List<DownloadEntity> subtask =
+      new ArrayList<>();
+
+  /**
+   * 子任务链接组
+   */
+  @NormalList(clazz = String.class) private List<String> urls = new ArrayList<>();
+
+  /**
+   * 任务组下载文件的文件夹地址
+   *
+   * @see DownloadGroupTarget#setDownloadDirPath(String)
+   */
+  private String dirPath = "";
+
+  public List<DownloadEntity> getSubTask() {
+    return subtask;
+  }
+
+  void setSubTasks(List<DownloadEntity> subTasks) {
+    this.subtask = subTasks;
+  }
+
+  public String getDirPath() {
+    return dirPath;
+  }
+
+  public void setDirPath(String dirPath) {
+    this.dirPath = dirPath;
+  }
+
+  public List<String> getUrls() {
+    return urls;
+  }
+
+  void setUrls(List<String> urls) {
+    this.urls = urls;
+  }
+
+  void setGroupName(String key) {
+    this.groupName = key;
+  }
+
+  public DownloadGroupEntity() {
+  }
+
+  @Override public int describeContents() {
+    return 0;
+  }
+
+  @Override public void writeToParcel(Parcel dest, int flags) {
+    super.writeToParcel(dest, flags);
+    dest.writeTypedList(this.subtask);
+    dest.writeString(this.dirPath);
+  }
+
+  protected DownloadGroupEntity(Parcel in) {
+    super(in);
+    this.subtask = in.createTypedArrayList(DownloadEntity.CREATOR);
+    this.dirPath = in.readString();
+  }
+
+  public static final Creator<DownloadGroupEntity> CREATOR = new Creator<DownloadGroupEntity>() {
+    @Override public DownloadGroupEntity createFromParcel(Parcel source) {
+      return new DownloadGroupEntity(source);
+    }
+
+    @Override public DownloadGroupEntity[] newArray(int size) {
+      return new DownloadGroupEntity[size];
+    }
+  };
+}

Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTarget.java

@@ -0,0 +1,241 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.download;
+
+import android.text.TextUtils;
+import com.arialyy.aria.core.inf.AbsGroupTarget;
+import com.arialyy.aria.orm.DbEntity;
+import com.arialyy.aria.orm.DbUtil;
+import com.arialyy.aria.util.CheckUtil;
+import com.arialyy.aria.util.CommonUtil;
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by AriaL on 2017/6/29.
+ */
+public class DownloadGroupTarget
+    extends AbsGroupTarget<DownloadGroupTarget, DownloadGroupEntity, DownloadGroupTaskEntity> {
+  private List<String> mUrls = new ArrayList<>();
+  private final String TAG = "DownloadGroupTarget";
+  /**
+   * 子任务文件名
+   */
+  private List<String> mSubTaskFileName = new ArrayList<>();
+  private String mGroupName;
+  /**
+   * 是否已经设置了文件路径
+   */
+  private boolean isSetDirPathed = false;
+
+  DownloadGroupTarget(DownloadGroupEntity groupEntity, String targetName) {
+    this.mTargetName = targetName;
+    if (groupEntity.getUrls() != null && !groupEntity.getUrls().isEmpty()) {
+      this.mUrls.addAll(groupEntity.getUrls());
+    }
+    init(groupEntity.getGroupName());
+  }
+
+  DownloadGroupTarget(List<String> urls, String targetName) {
+    this.mTargetName = targetName;
+    this.mUrls = urls;
+    init(CommonUtil.getMd5Code(urls));
+  }
+
+  private void init(String key) {
+    mGroupName = key;
+    mTaskEntity = DbEntity.findFirst(DownloadGroupTaskEntity.class, "key=?", key);
+    if (mTaskEntity == null) {
+      mTaskEntity = new DownloadGroupTaskEntity();
+      mTaskEntity.key = key;
+      mTaskEntity.entity = getDownloadGroupEntity();
+      mTaskEntity.insert();
+    }
+    if (mTaskEntity.entity == null) {
+      mTaskEntity.entity = getDownloadGroupEntity();
+    }
+    mEntity = mTaskEntity.entity;
+  }
+
+  /**
+   * 查询任务组实体，如果数据库不存在该实体，则新创建一个新的任务组实体
+   */
+  private DownloadGroupEntity getDownloadGroupEntity() {
+    DownloadGroupEntity entity =
+        DbEntity.findFirst(DownloadGroupEntity.class, "groupName=?", mGroupName);
+    if (entity == null) {
+      entity = new DownloadGroupEntity();
+      entity.setGroupName(mGroupName);
+      entity.setUrls(mUrls);
+      entity.insert();
+    }
+    return entity;
+  }
+
+  /**
+   * 设置任务组别名
+   */
+  public DownloadGroupTarget setGroupAlias(String alias) {
+    if (TextUtils.isEmpty(alias)) return this;
+    mEntity.setAlias(alias);
+    mEntity.update();
+    return this;
+  }
+
+  /**
+   * 如果你是使用{@link DownloadReceiver#load(DownloadGroupEntity)}进行下载操作，那么你需要设置任务组的下载地址
+   */
+  public DownloadGroupTarget setGroupUrl(List<String> urls) {
+    CheckUtil.checkDownloadUrls(urls);
+    mUrls.clear();
+    mUrls.addAll(urls);
+    mEntity.setGroupName(CommonUtil.getMd5Code(urls));
+    mEntity.update();
+    return this;
+  }
+
+  /**
+   * 设置任务组的文件夹路径，在Aria中，任务组的所有子任务都会下载到以任务组组名的文件夹中。
+   * 如：groupDirPath = "/mnt/sdcard/download/group_test"
+   * <pre>
+   *   {@code
+   *      + mnt
+   *        + sdcard
+   *          + download
+   *            + group_test
+   *              - task1.apk
+   *              - task2.apk
+   *              - task3.apk
+   *              ....
+   *
+   *   }
+   * </pre>
+   *
+   * @param groupDirPath 任务组保存文件夹路径
+   */
+  public DownloadGroupTarget setDownloadDirPath(String groupDirPath) {
+    if (TextUtils.isEmpty(groupDirPath)) {
+      throw new NullPointerException("任务组文件夹保存路径不能为null");
+    }
+
+    isSetDirPathed = true;
+    if (mEntity.getDirPath().equals(groupDirPath)) return this;
+
+    File file = new File(groupDirPath);
+    if (file.exists() && file.isFile()) {
+      throw new IllegalArgumentException("路径不能为文件");
+    }
+    if (!file.exists()) {
+      file.mkdirs();
+    }
+
+    mEntity.setDirPath(groupDirPath);
+    if (!TextUtils.isEmpty(mEntity.getDirPath())) {
+      reChangeDirPath(groupDirPath);
+    } else {
+      mEntity.setSubTasks(createSubTask());
+    }
+    mEntity.update();
+    return this;
+  }
+
+  /**
+   * 改变任务组文件夹路径，修改文件夹路径会将子任务所有路径更换
+   *
+   * @param newDirPath 新的文件夹路径
+   */
+  private void reChangeDirPath(String newDirPath) {
+    List<DownloadEntity> subTask = mEntity.getSubTask();
+    if (subTask != null && !subTask.isEmpty()) {
+      for (DownloadEntity entity : subTask) {
+        String oldPath = entity.getDownloadPath();
+        String newPath = newDirPath + "/" + entity.getFileName();
+        File file = new File(oldPath);
+        file.renameTo(new File(newPath));
+        DbEntity.exeSql("UPDATE DownloadEntity SET downloadPath='"
+            + newPath
+            + "' WHERE downloadPath='"
+            + oldPath
+            + "'");
+        DbEntity.exeSql(
+            "UPDATE DownloadTaskEntity SET key='" + newPath + "' WHERE key='" + oldPath + "'");
+      }
+    } else {
+      mEntity.setSubTasks(createSubTask());
+    }
+  }
+
+  /**
+   * 设置子任务文件名，该方法必须在{@link #setDownloadDirPath(String)}之后调用，否则不生效
+   */
+  public DownloadGroupTarget setSubTaskFileName(List<String> subTaskFileName) {
+    if (subTaskFileName == null || subTaskFileName.isEmpty()) return this;
+    mSubTaskFileName.addAll(subTaskFileName);
+    if (mUrls.size() != subTaskFileName.size()) {
+      throw new IllegalArgumentException("下载链接数必须要和保存路径的数量一致");
+    }
+    if (isSetDirPathed) {
+      List<DownloadEntity> entities = mEntity.getSubTask();
+      int i = 0;
+      for (DownloadEntity entity : entities) {
+        String newName = mSubTaskFileName.get(i);
+        updateSubFileName(entity, newName);
+        i++;
+      }
+    }
+    return this;
+  }
+
+  /**
+   * 更新子任务文件名
+   */
+  private void updateSubFileName(DownloadEntity entity, String newName) {
+    if (!newName.equals(entity.getFileName())) {
+      String oldPath = mEntity.getDirPath() + "/" + entity.getFileName();
+      String newPath = mEntity.getDirPath() + "/" + newName;
+      File file = new File(oldPath);
+      if (file.exists()) {
+        file.renameTo(new File(newPath));
+      }
+      DbEntity.exeSql(
+          "UPDATE DownloadTaskEntity SET key='" + newPath + "' WHERE key='" + oldPath + "'");
+      entity.setDownloadPath(newPath);
+      entity.setFileName(newName);
+      entity.update();
+    }
+  }
+
+  /**
+   * 创建子任务
+   */
+  private List<DownloadEntity> createSubTask() {
+    List<DownloadEntity> list = new ArrayList<>();
+    for (int i = 0, len = mUrls.size(); i < len; i++) {
+      DownloadEntity entity = new DownloadEntity();
+      entity.setDownloadUrl(mUrls.get(i));
+      String fileName = mSubTaskFileName.isEmpty() ? createFileName(entity.getDownloadUrl())
+          : mSubTaskFileName.get(i);
+      entity.setDownloadPath(mEntity.getDirPath() + "/" + fileName);
+      entity.setGroupName(mGroupName);
+      entity.setGroupChild(true);
+      entity.setFileName(fileName);
+      entity.insert();
+      list.add(entity);
+    }
+    return list;
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTask.java

@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.download;
+
+import android.os.Handler;
+import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.download.downloader.DownloadGroupUtil;
+import com.arialyy.aria.core.download.downloader.IDownloadUtil;
+import com.arialyy.aria.core.inf.AbsGroupTask;
+import com.arialyy.aria.core.scheduler.ISchedulers;
+import com.arialyy.aria.util.CheckUtil;
+
+/**
+ * Created by AriaL on 2017/6/27.
+ * 任务组任务
+ */
+public class DownloadGroupTask extends AbsGroupTask<DownloadGroupTaskEntity, DownloadGroupEntity> {
+  private final String TAG = "DownloadGroupTask";
+  private DListener<DownloadGroupEntity, DownloadGroupTask> mListener;
+  private IDownloadUtil mUtil;
+
+  private DownloadGroupTask(DownloadGroupTaskEntity taskEntity, Handler outHandler) {
+    mTaskEntity = taskEntity;
+    mEntity = taskEntity.getEntity();
+    mOutHandler = outHandler;
+    mContext = AriaManager.APP;
+    mListener = new DListener<>(this, mOutHandler);
+    mUtil = new DownloadGroupUtil(mListener, mTaskEntity);
+  }
+
+  @Override public boolean isRunning() {
+    return mUtil.isDownloading();
+  }
+
+  @Override public void start() {
+    mUtil.startDownload();
+  }
+
+  @Override public void stop() {
+    if (!mUtil.isDownloading()) {
+      if (mOutHandler != null) {
+        mOutHandler.obtainMessage(ISchedulers.STOP, this).sendToTarget();
+      }
+    }
+    mUtil.stopDownload();
+  }
+
+  @Override public void cancel() {
+    if (!mUtil.isDownloading()) {
+      if (mOutHandler != null) {
+        mOutHandler.obtainMessage(ISchedulers.CANCEL, this).sendToTarget();
+      }
+    }
+    mUtil.cancelDownload();
+  }
+
+  public static class Builder {
+    DownloadGroupTaskEntity taskEntity;
+    Handler outHandler;
+    String targetName;
+
+    public Builder(String targetName, DownloadGroupTaskEntity taskEntity) {
+      CheckUtil.checkTaskEntity(taskEntity);
+      this.targetName = targetName;
+      this.taskEntity = taskEntity;
+    }
+
+    /**
+     * 设置自定义Handler处理下载状态时间
+     *
+     * @param schedulers {@link ISchedulers}
+     */
+    public DownloadGroupTask.Builder setOutHandler(ISchedulers schedulers) {
+      this.outHandler = new Handler(schedulers);
+      return this;
+    }
+
+    public DownloadGroupTask build() {
+      DownloadGroupTask task = new DownloadGroupTask(taskEntity, outHandler);
+      task.setTargetName(targetName);
+      taskEntity.save();
+      return task;
+    }
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTaskEntity.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.download;
+
+import com.arialyy.aria.core.inf.AbsTaskEntity;
+import com.arialyy.aria.orm.OneToOne;
+
+/**
+ * Created by AriaL on 2017/7/1.
+ */
+public class DownloadGroupTaskEntity extends AbsTaskEntity<DownloadGroupEntity> {
+
+  @OneToOne(table = DownloadGroupEntity.class, key = "groupName") public DownloadGroupEntity entity;
+
+  @Override public DownloadGroupEntity getEntity() {
+    return entity;
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/download/DownloadReceiver.java

@@ -17,12 +17,14 @@ package com.arialyy.aria.core.download;
 
 import android.support.annotation.NonNull;
 import com.arialyy.aria.core.AriaManager;
-import com.arialyy.aria.core.inf.ICmd;
+import com.arialyy.aria.core.inf.AbsEntity;
+import com.arialyy.aria.core.inf.AbsReceiver;
 import com.arialyy.aria.core.inf.IReceiver;
-import com.arialyy.aria.core.command.CmdFactory;
-import com.arialyy.aria.core.command.AbsCmd;
+import com.arialyy.aria.core.command.normal.NormalCmdFactory;
+import com.arialyy.aria.core.scheduler.DownloadGroupSchedulers;
 import com.arialyy.aria.core.scheduler.DownloadSchedulers;
 import com.arialyy.aria.core.scheduler.ISchedulerListener;
+import com.arialyy.aria.core.upload.ProxyHelper;
 import com.arialyy.aria.orm.DbEntity;
 import com.arialyy.aria.util.CheckUtil;
 import com.arialyy.aria.util.CommonUtil;
@@ -34,10 +36,8 @@ import java.util.Set;
  * Created by lyy on 2016/12/5.
  * 下载功能接收器
  */
-public class DownloadReceiver implements IReceiver<DownloadEntity> {
-  private static final String TAG = "DownloadReceiver";
-  public String targetName;
-  public Object obj;
+public class DownloadReceiver extends AbsReceiver {
+  private final String TAG = "DownloadReceiver";
   public ISchedulerListener<DownloadTask> listener;
 
   /**
@@ -51,24 +51,67 @@ public class DownloadReceiver implements IReceiver<DownloadEntity> {
   }
 
   /**
-   * {@link #load(String)}，请使用该方法
+   * 使用下载实体执行下载操作
    */
-  @Deprecated public DownloadTarget load(DownloadEntity entity) {
+  public DownloadTarget load(DownloadEntity entity) {
     return new DownloadTarget(entity, targetName);
   }
 
   /**
-   * 读取下载链接
+   * 加载下载地址
    */
   public DownloadTarget load(@NonNull String downloadUrl) {
     CheckUtil.checkDownloadUrl(downloadUrl);
-    DownloadEntity entity =
-        DownloadEntity.findData(DownloadEntity.class, "downloadUrl=?", downloadUrl);
-    if (entity == null) {
-      entity = new DownloadEntity();
+    return new DownloadTarget(downloadUrl, targetName);
+  }
+
+  /**
+   * 加载下载地址，如果任务组的中的下载地址改变了，则任务从新的一个任务组
+   */
+  public DownloadGroupTarget load(List<String> urls) {
+    CheckUtil.checkDownloadUrls(urls);
+    return new DownloadGroupTarget(urls, targetName);
+  }
+
+  /**
+   * 使用任务组实体执行任务组的实体执行任务组的下载操作
+   *
+   * @param groupEntity 如果加载的任务实体没有子项的下载地址，
+   * 那么你需要使用{@link DownloadGroupTarget#setGroupUrl(List)}设置子项的下载地址
+   */
+  public DownloadGroupTarget load(DownloadGroupEntity groupEntity) {
+    return new DownloadGroupTarget(groupEntity, targetName);
+  }
+
+  /**
+   * 将当前类注册到Aria
+   */
+  public DownloadReceiver register() {
+    String className = obj.getClass().getName();
+    Set<String> dCounter = ProxyHelper.getInstance().downloadCounter;
+    Set<String> dgCounter = ProxyHelper.getInstance().downloadGroupCounter;
+    if (dCounter != null && dCounter.contains(className)) {
+      DownloadSchedulers.getInstance().register(obj);
+    }
+    if (dgCounter != null && dgCounter.contains(className)) {
+      DownloadGroupSchedulers.getInstance().register(obj);
+    }
+    return this;
+  }
+
+  /**
+   * 取消注册
+   */
+  @Override public void unRegister() {
+    String className = obj.getClass().getName();
+    Set<String> dCounter = ProxyHelper.getInstance().downloadCounter;
+    Set<String> dgCounter = ProxyHelper.getInstance().downloadGroupCounter;
+    if (dCounter != null && dCounter.contains(className)) {
+      DownloadSchedulers.getInstance().unRegister(obj);
+    }
+    if (dgCounter != null && dgCounter.contains(className)) {
+      DownloadGroupSchedulers.getInstance().unRegister(obj);
     }
-    entity.setDownloadUrl(downloadUrl);
-    return new DownloadTarget(entity, targetName);
   }
 
   /**
@@ -83,21 +126,6 @@ public class DownloadReceiver implements IReceiver<DownloadEntity> {
     return this;
   }
 
-  /**
-   * 将当前类注册到Aria
-   */
-  public DownloadReceiver register() {
-    DownloadSchedulers.getInstance().register(obj);
-    return this;
-  }
-
-  /**
-   * 取消注册
-   */
-  @Override public void unRegister() {
-    DownloadSchedulers.getInstance().unRegister(obj);
-  }
-
   /**
    * 移除回调
    *
@@ -119,27 +147,74 @@ public class DownloadReceiver implements IReceiver<DownloadEntity> {
    */
   public DownloadEntity getDownloadEntity(String downloadUrl) {
     CheckUtil.checkDownloadUrl(downloadUrl);
-    return DownloadEntity.findData(DownloadEntity.class, "downloadUrl=?", downloadUrl);
+    return DbEntity.findFirst(DownloadEntity.class, "downloadUrl=? and isGroupChild='false'",
+        downloadUrl);
+  }
+
+  /**
+   * 通过下载链接获取保存在数据库的下载任务实体
+   */
+  public DownloadTaskEntity getDownloadTask(String downloadUrl) {
+    CheckUtil.checkDownloadUrl(downloadUrl);
+    return DbEntity.findFirst(DownloadTaskEntity.class, "groupName=? and isGroupTask='false'",
+        downloadUrl);
+  }
+
+  /**
+   * 通过下载链接获取保存在数据库的下载任务组实体
+   */
+  public DownloadGroupTaskEntity getDownloadGroupTask(List<String> urls) {
+    CheckUtil.checkDownloadUrls(urls);
+    String hashCode = CommonUtil.getMd5Code(urls);
+    return DbEntity.findFirst(DownloadGroupTaskEntity.class, "key=?", hashCode);
   }
 
   /**
    * 下载任务是否存在
    */
   @Override public boolean taskExists(String downloadUrl) {
-    return DownloadEntity.findData(DownloadEntity.class, "downloadUrl=?", downloadUrl) != null;
+    return DownloadEntity.findFirst(DownloadEntity.class, "downloadUrl=?", downloadUrl) != null;
   }
 
-  @Override public List<DownloadEntity> getTaskList() {
-    return DownloadEntity.findAllData(DownloadEntity.class);
+  /**
+   * 获取普通下载任务列表
+   */
+  @Override public List<DownloadEntity> getSimpleTaskList() {
+    return DownloadEntity.findDatas(DownloadEntity.class, "isGroupChild=? and downloadPath!=''",
+        "false");
+  }
+
+  /**
+   * 获取任务组列表
+   */
+  public List<DownloadGroupEntity> getGroupTaskList() {
+    return DownloadEntity.findAllData(DownloadGroupEntity.class);
+  }
+
+  /**
+   * 获取普通任务和任务组的任务列表
+   */
+  public List<AbsEntity> getTotleTaskList() {
+    List<AbsEntity> list = new ArrayList<>();
+    List<DownloadEntity> simpleTask = getSimpleTaskList();
+    List<DownloadGroupEntity> groupTask = getGroupTaskList();
+    if (simpleTask != null && !simpleTask.isEmpty()) {
+      list.addAll(simpleTask);
+    }
+    if (groupTask != null && !groupTask.isEmpty()) {
+      list.addAll(groupTask);
+    }
+    return list;
   }
 
   /**
    * 停止所有正在下载的任务，并清空等待队列。
    */
   @Override public void stopAllTask() {
-    final AriaManager ariaManager = AriaManager.getInstance(AriaManager.APP);
-    ariaManager.setCmd(CmdFactory.getInstance()
-        .createCmd(targetName, new DownloadTaskEntity(), CmdFactory.TASK_STOP_ALL)).exe();
+    AriaManager.getInstance(AriaManager.APP)
+        .setCmd(NormalCmdFactory.getInstance()
+            .createCmd(targetName, new DownloadTaskEntity(), NormalCmdFactory.TASK_STOP_ALL))
+        .exe();
   }
 
   /**
@@ -148,23 +223,23 @@ public class DownloadReceiver implements IReceiver<DownloadEntity> {
    * 2.如果队列执行队列已经满了，则将所有任务添加到等待队列中
    */
   public void resumeAllTask() {
-    final AriaManager ariaManager = AriaManager.getInstance(AriaManager.APP);
-    ariaManager.setCmd(CmdFactory.getInstance()
-        .createCmd(targetName, new DownloadTaskEntity(), CmdFactory.TASK_RESUME_ALL)).exe();
+    AriaManager.getInstance(AriaManager.APP)
+        .setCmd(NormalCmdFactory.getInstance()
+            .createCmd(targetName, new DownloadTaskEntity(), NormalCmdFactory.TASK_RESUME_ALL))
+        .exe();
   }
 
   /**
    * 删除所有任务
+   *
+   * @param removeFile {@code true} 删除已经下载完成的任务，不仅删除下载记录，还会删除已经下载完成的文件，{@code false}
+   * 如果文件已经下载完成，只删除下载记录
    */
-  @Override public void removeAllTask() {
+  @Override public void removeAllTask(boolean removeFile) {
     final AriaManager ariaManager = AriaManager.getInstance(AriaManager.APP);
-    List<DownloadEntity> allEntity = DbEntity.findAllData(DownloadEntity.class);
-    List<AbsCmd> cancelCmds = new ArrayList<>();
-    for (DownloadEntity entity : allEntity) {
-      cancelCmds.add(
-          CommonUtil.createCmd(targetName, new DownloadTaskEntity(entity), CmdFactory.TASK_CANCEL));
-    }
-    ariaManager.setCmds(cancelCmds).exe();
+    ariaManager.setCmd(CommonUtil.createCmd(targetName, new DownloadTaskEntity(),
+        NormalCmdFactory.TASK_CANCEL_ALL)).exe();
+
     Set<String> keys = ariaManager.getReceiver().keySet();
     for (String key : keys) {
       IReceiver receiver = ariaManager.getReceiver().get(key);

Aria/src/main/java/com/arialyy/aria/core/download/DownloadTarget.java

@@ -17,31 +17,60 @@ package com.arialyy.aria.core.download;
 
 import android.support.annotation.NonNull;
 import android.text.TextUtils;
-import android.util.Log;
-import com.arialyy.aria.core.RequestEnum;
-import com.arialyy.aria.core.inf.AbsTarget;
+import com.arialyy.aria.core.inf.AbsNormalTarget;
+import com.arialyy.aria.core.inf.IEntity;
 import com.arialyy.aria.core.queue.DownloadTaskQueue;
+import com.arialyy.aria.orm.DbEntity;
 import java.io.File;
-import java.util.Map;
 
 /**
  * Created by lyy on 2016/12/5.
  * https://github.com/AriaLyy/Aria
  */
-public class DownloadTarget extends AbsTarget<DownloadEntity, DownloadTaskEntity> {
+public class DownloadTarget
+    extends AbsNormalTarget<DownloadTarget, DownloadEntity, DownloadTaskEntity> {
 
   DownloadTarget(DownloadEntity entity, String targetName) {
-    this.entity = entity;
-    this.targetName = targetName;
-    taskEntity = new DownloadTaskEntity(entity);
+    this(entity.getDownloadUrl(), targetName);
   }
 
-  @Override public void pause() {
-    super.pause();
+  DownloadTarget(String url, String targetName) {
+    mTargetName = targetName;
+    DownloadEntity entity = getEntity(url);
+    mTaskEntity = DbEntity.findFirst(DownloadTaskEntity.class, "key=? and isGroupTask='false'",
+        entity.getDownloadPath());
+    if (mTaskEntity == null) {
+      mTaskEntity = new DownloadTaskEntity();
+      mTaskEntity.key = entity.getDownloadPath();
+      mTaskEntity.entity = entity;
+      mTaskEntity.save();
+    }
+    if (mTaskEntity.entity == null) {
+      mTaskEntity.entity = entity;
+    }
+    mEntity = entity;
   }
 
-  @Override public void resume() {
-    super.resume();
+  /**
+   * 如果任务存在，但是下载实体不存在，则通过下载地址获取下载实体
+   *
+   * @param downloadUrl 下载地址
+   */
+  private DownloadEntity getEntity(String downloadUrl) {
+    DownloadEntity entity =
+        DownloadEntity.findFirst(DownloadEntity.class, "downloadUrl=? and isGroupChild='false'",
+            downloadUrl);
+    if (entity == null) {
+      entity = new DownloadEntity();
+      entity.setDownloadUrl(downloadUrl);
+      entity.setGroupChild(false);
+      entity.save();
+    }
+    File file = new File(entity.getDownloadPath());
+    if (!file.exists()) {
+      entity.setState(IEntity.STATE_WAIT);
+    }
+    return entity;
   }
 
   /**
@@ -65,53 +94,11 @@ public class DownloadTarget extends AbsTarget<DownloadEntity, DownloadTaskEntity
     return this;
   }
 
-  @Override public int getPercent() {
-    if (entity == null) {
-      Log.e("DownloadTarget", "下载管理器中没有该任务");
-      return 0;
-    }
-    if (entity.getFileSize() != 0) {
-      return (int) (entity.getCurrentProgress() * 100 / entity.getFileSize());
-    }
-    return super.getPercent();
-  }
-
-  /**
-   * 给url请求添加头部
-   *
-   * @param key 头部key
-   * @param header 头部value
-   */
-  public DownloadTarget addHeader(@NonNull String key, @NonNull String header) {
-    super._addHeader(key, header);
-    return this;
-  }
-
-  /**
-   * 给url请求添加头部
-   *
-   * @param headers key为http头部的key，Value为http头对应的配置
-   */
-  public DownloadTarget addHeaders(Map<String, String> headers) {
-    super._addHeaders(headers);
-    return this;
-  }
-
   /**
    * 下载任务是否存在
    */
   @Override public boolean taskExists() {
-    return DownloadTaskQueue.getInstance().getTask(entity.getDownloadUrl()) != null;
-  }
-
-  /**
-   * 设置请求类型
-   *
-   * @param requestEnum {@link RequestEnum}
-   */
-  public DownloadTarget setRequestMode(RequestEnum requestEnum) {
-    super._setRequestMode(requestEnum);
-    return this;
+    return DownloadTaskQueue.getInstance().getTask(mEntity.getDownloadUrl()) != null;
   }
 
   /**
@@ -122,8 +109,11 @@ public class DownloadTarget extends AbsTarget<DownloadEntity, DownloadTaskEntity
       throw new IllegalArgumentException("文件保持路径不能为null");
     }
     File file = new File(downloadPath);
-    entity.setDownloadPath(downloadPath);
-    entity.setFileName(file.getName());
+    mEntity.setDownloadPath(downloadPath);
+    mEntity.setFileName(file.getName());
+    mTaskEntity.key = downloadPath;
+    mEntity.update();
+    mTaskEntity.update();
     return this;
   }
 
@@ -136,7 +126,7 @@ public class DownloadTarget extends AbsTarget<DownloadEntity, DownloadTaskEntity
     if (TextUtils.isEmpty(downloadName)) {
       throw new IllegalArgumentException("文件名不能为null");
     }
-    entity.setFileName(downloadName);
+    mEntity.setFileName(downloadName);
     return this;
   }
 
@@ -147,19 +137,19 @@ public class DownloadTarget extends AbsTarget<DownloadEntity, DownloadTaskEntity
     if (TextUtils.isEmpty(fileName)) {
       throw new IllegalArgumentException("文件名不能为null");
     }
-    entity.setFileName(fileName);
+    mEntity.setFileName(fileName);
     return this;
   }
 
   private DownloadEntity getDownloadEntity() {
-    return entity;
+    return mEntity;
   }
 
   /**
    * 是否在下载
    */
   public boolean isDownloading() {
-    DownloadTask task = DownloadTaskQueue.getInstance().getTask(entity);
+    DownloadTask task = DownloadTaskQueue.getInstance().getTask(mEntity);
     return task != null && task.isRunning();
   }
 }

Aria/src/main/java/com/arialyy/aria/core/download/DownloadTask.java

@@ -16,39 +16,31 @@
 
 package com.arialyy.aria.core.download;
 
-import android.content.Context;
-import android.content.Intent;
 import android.os.Handler;
 import android.util.Log;
-import com.arialyy.aria.core.Aria;
 import com.arialyy.aria.core.AriaManager;
-import com.arialyy.aria.core.inf.AbsTask;
+import com.arialyy.aria.core.download.downloader.SimpleDownloadUtil;
+import com.arialyy.aria.core.inf.AbsNormalTask;
 import com.arialyy.aria.core.inf.IEntity;
-import com.arialyy.aria.core.scheduler.DownloadSchedulers;
 import com.arialyy.aria.core.scheduler.ISchedulers;
-import com.arialyy.aria.util.CheckUtil;
-import com.arialyy.aria.util.CommonUtil;
 import java.io.File;
-import java.lang.ref.WeakReference;
 
 /**
  * Created by lyy on 2016/8/11.
  * 下载任务类
  */
-public class DownloadTask extends AbsTask<DownloadTaskEntity, DownloadEntity> {
+public class DownloadTask extends AbsNormalTask<DownloadEntity> {
   public static final String TAG = "DownloadTask";
 
-  private IDownloadListener mListener;
-  private Handler mOutHandler;
-  private IDownloadUtil mUtil;
-  private boolean isWait = false;
+  private DListener<DownloadEntity, DownloadTask> mListener;
+  private SimpleDownloadUtil mUtil;
 
   private DownloadTask(DownloadTaskEntity taskEntity, Handler outHandler) {
-    mEntity = taskEntity.downloadEntity;
+    mEntity = taskEntity.getEntity();
     mOutHandler = outHandler;
     mContext = AriaManager.APP;
-    mListener = new DListener(mContext, this, mOutHandler);
-    mUtil = new DownloadUtil(mContext, taskEntity, mListener);
+    mListener = new DListener<>(this, mOutHandler);
+    mUtil = new SimpleDownloadUtil(taskEntity, mListener);
   }
 
   /**
@@ -98,7 +90,6 @@ public class DownloadTask extends AbsTask<DownloadTaskEntity, DownloadEntity> {
    * 暂停任务，并让任务处于等待状态
    */
   @Override public void stopAndWait() {
-    super.stopAndWait();
     stop(true);
   }
 
@@ -115,13 +106,10 @@ public class DownloadTask extends AbsTask<DownloadTaskEntity, DownloadEntity> {
    * 开始下载
    */
   @Override public void start() {
-    isWait = false;
+    mListener.isWait = false;
     if (mUtil.isDownloading()) {
       Log.d(TAG, "任务正在下载");
     } else {
-      if (mListener == null || isWait) {
-        mListener = new DListener(mContext, this, mOutHandler);
-      }
       mUtil.startDownload();
     }
   }
@@ -134,20 +122,15 @@ public class DownloadTask extends AbsTask<DownloadTaskEntity, DownloadEntity> {
   }
 
   private void stop(boolean isWait) {
-    this.isWait = isWait;
+    mListener.isWait = isWait;
     if (mUtil.isDownloading()) {
       mUtil.stopDownload();
     } else {
       mEntity.setState(isWait ? IEntity.STATE_WAIT : IEntity.STATE_STOP);
-      mEntity.save();
+      mEntity.update();
       if (mOutHandler != null) {
-        mOutHandler.obtainMessage(DownloadSchedulers.STOP, this).sendToTarget();
+        mOutHandler.obtainMessage(ISchedulers.STOP, this).sendToTarget();
       }
-      // 发送停止下载的广播
-      Intent intent = CommonUtil.createIntent(mContext.getPackageName(), Aria.ACTION_STOP);
-      intent.putExtra(Aria.CURRENT_LOCATION, mEntity.getCurrentProgress());
-      intent.putExtra(Aria.DOWNLOAD_ENTITY, mEntity);
-      mContext.sendBroadcast(intent);
     }
   }
 
@@ -155,20 +138,13 @@ public class DownloadTask extends AbsTask<DownloadTaskEntity, DownloadEntity> {
    * 取消下载
    */
   @Override public void cancel() {
-    if (!mEntity.isDownloadComplete()) {
+    if (!mEntity.isComplete()) {
       if (!mUtil.isDownloading()) {
         if (mOutHandler != null) {
-          mOutHandler.obtainMessage(DownloadSchedulers.CANCEL, this).sendToTarget();
+          mOutHandler.obtainMessage(ISchedulers.CANCEL, this).sendToTarget();
         }
-        //发送取消下载的广播
-        Intent intent = CommonUtil.createIntent(mContext.getPackageName(), Aria.ACTION_CANCEL);
-        intent.putExtra(Aria.DOWNLOAD_ENTITY, mEntity);
-        mContext.sendBroadcast(intent);
       }
       mUtil.cancelDownload();
-      mUtil.delConfigFile();
-      mUtil.delTempFile();
-      mEntity.deleteData();
     }
   }
 
@@ -178,7 +154,6 @@ public class DownloadTask extends AbsTask<DownloadTaskEntity, DownloadEntity> {
     String targetName;
 
     public Builder(String targetName, DownloadTaskEntity taskEntity) {
-      CheckUtil.checkTaskEntity(taskEntity);
       this.targetName = targetName;
       this.taskEntity = taskEntity;
     }
@@ -196,162 +171,9 @@ public class DownloadTask extends AbsTask<DownloadTaskEntity, DownloadEntity> {
     public DownloadTask build() {
       DownloadTask task = new DownloadTask(taskEntity, outHandler);
       task.setTargetName(targetName);
-      taskEntity.downloadEntity.save();
+      taskEntity.getEntity().save();
+      taskEntity.save();
       return task;
     }
   }
-
-  /**
-   * 下载监听类
-   */
-  private static class DListener extends DownloadListener {
-    WeakReference<Handler> outHandler;
-    WeakReference<DownloadTask> wTask;
-    Context context;
-    Intent sendIntent;
-    long lastLen = 0;   //上一次发送长度
-    long lastTime = 0;
-    long INTERVAL_TIME = 1000;   //1m更新周期
-    boolean isFirst = true;
-    DownloadEntity downloadEntity;
-    DownloadTask task;
-    boolean isOpenBroadCast = false;
-    boolean isConvertSpeed = false;
-
-    DListener(Context context, DownloadTask task, Handler outHandler) {
-      this.context = context;
-      this.outHandler = new WeakReference<>(outHandler);
-      this.wTask = new WeakReference<>(task);
-      this.task = wTask.get();
-      this.downloadEntity = this.task.getDownloadEntity();
-      sendIntent = CommonUtil.createIntent(context.getPackageName(), Aria.ACTION_RUNNING);
-      sendIntent.putExtra(Aria.DOWNLOAD_ENTITY, downloadEntity);
-      final AriaManager manager = AriaManager.getInstance(context);
-      isOpenBroadCast = manager.getDownloadConfig().isOpenBreadCast();
-      isConvertSpeed = manager.getDownloadConfig().isConvertSpeed();
-    }
-
-    @Override public void supportBreakpoint(boolean support) {
-      super.supportBreakpoint(support);
-      if (!support) {
-        sendInState2Target(ISchedulers.SUPPORT_BREAK_POINT);
-        sendIntent(Aria.ACTION_SUPPORT_BREAK_POINT, -1);
-      }
-    }
-
-    @Override public void onPre() {
-      super.onPre();
-      downloadEntity.setState(IEntity.STATE_PRE);
-      sendInState2Target(ISchedulers.PRE);
-      sendIntent(Aria.ACTION_PRE, -1);
-    }
-
-    @Override public void onPostPre(long fileSize) {
-      super.onPostPre(fileSize);
-      downloadEntity.setFileSize(fileSize);
-      downloadEntity.setState(IEntity.STATE_POST_PRE);
-      sendInState2Target(ISchedulers.POST_PRE);
-      sendIntent(Aria.ACTION_POST_PRE, -1);
-    }
-
-    @Override public void onResume(long resumeLocation) {
-      super.onResume(resumeLocation);
-      downloadEntity.setState(IEntity.STATE_RUNNING);
-      sendInState2Target(ISchedulers.RESUME);
-      sendIntent(Aria.ACTION_RESUME, resumeLocation);
-    }
-
-    @Override public void onStart(long startLocation) {
-      super.onStart(startLocation);
-      downloadEntity.setState(IEntity.STATE_RUNNING);
-      sendInState2Target(ISchedulers.START);
-      sendIntent(Aria.ACTION_START, startLocation);
-    }
-
-    @Override public void onProgress(long currentLocation) {
-      super.onProgress(currentLocation);
-      if (System.currentTimeMillis() - lastTime > INTERVAL_TIME) {
-        long speed = currentLocation - lastLen;
-        sendIntent.putExtra(Aria.CURRENT_LOCATION, currentLocation);
-        sendIntent.putExtra(Aria.CURRENT_SPEED, speed);
-        lastTime = System.currentTimeMillis();
-        if (isFirst) {
-          speed = 0;
-          isFirst = false;
-        }
-        handleSpeed(speed);
-        downloadEntity.setCurrentProgress(currentLocation);
-        lastLen = currentLocation;
-        sendInState2Target(ISchedulers.RUNNING);
-        context.sendBroadcast(sendIntent);
-      }
-    }
-
-    @Override public void onStop(long stopLocation) {
-      super.onStop(stopLocation);
-      downloadEntity.setState(task.isWait ? IEntity.STATE_WAIT : IEntity.STATE_STOP);
-      handleSpeed(0);
-      sendInState2Target(ISchedulers.STOP);
-      sendIntent(Aria.ACTION_STOP, stopLocation);
-    }
-
-    @Override public void onCancel() {
-      super.onCancel();
-      downloadEntity.setState(IEntity.STATE_CANCEL);
-      handleSpeed(0);
-      sendInState2Target(ISchedulers.CANCEL);
-      sendIntent(Aria.ACTION_CANCEL, -1);
-      downloadEntity.deleteData();
-    }
-
-    @Override public void onComplete() {
-      super.onComplete();
-      downloadEntity.setState(IEntity.STATE_COMPLETE);
-      downloadEntity.setDownloadComplete(true);
-      handleSpeed(0);
-      sendInState2Target(ISchedulers.COMPLETE);
-      sendIntent(Aria.ACTION_COMPLETE, downloadEntity.getFileSize());
-    }
-
-    @Override public void onFail() {
-      super.onFail();
-      downloadEntity.setFailNum(downloadEntity.getFailNum() + 1);
-      downloadEntity.setState(IEntity.STATE_FAIL);
-      handleSpeed(0);
-      sendInState2Target(ISchedulers.FAIL);
-      sendIntent(Aria.ACTION_FAIL, -1);
-    }
-
-    private void handleSpeed(long speed) {
-      if (isConvertSpeed) {
-        downloadEntity.setConvertSpeed(CommonUtil.formatFileSize(speed) + "/s");
-      } else {
-        downloadEntity.setSpeed(speed);
-      }
-    }
-
-    /**
-     * 将任务状态发送给下载器
-     *
-     * @param state {@link DownloadSchedulers#START}
-     */
-    private void sendInState2Target(int state) {
-      if (outHandler.get() != null) {
-        outHandler.get().obtainMessage(state, task).sendToTarget();
-      }
-    }
-
-    private void sendIntent(String action, long location) {
-      downloadEntity.setDownloadComplete(action.equals(Aria.ACTION_COMPLETE));
-      downloadEntity.setCurrentProgress(location);
-      downloadEntity.update();
-      if (!isOpenBroadCast) return;
-      Intent intent = CommonUtil.createIntent(context.getPackageName(), action);
-      intent.putExtra(Aria.DOWNLOAD_ENTITY, downloadEntity);
-      if (location != -1) {
-        intent.putExtra(Aria.CURRENT_LOCATION, location);
-      }
-      context.sendBroadcast(intent);
-    }
-  }
 }

Aria/src/main/java/com/arialyy/aria/core/download/DownloadTaskEntity.java

@@ -16,22 +16,30 @@
 package com.arialyy.aria.core.download;
 
 import com.arialyy.aria.core.inf.AbsTaskEntity;
+import com.arialyy.aria.orm.OneToOne;
 
 /**
  * Created by lyy on 2017/1/23.
  * 下载任务实体
  */
-public class DownloadTaskEntity extends AbsTaskEntity {
+public class DownloadTaskEntity extends AbsTaskEntity<DownloadEntity> {
 
-  public DownloadEntity downloadEntity;
+  @OneToOne(table = DownloadEntity.class, key = "downloadPath") public DownloadEntity entity;
 
-  public DownloadTaskEntity(){}
+  /**
+   * 所属的任务组组名，如果不属于任务组，则为null
+   */
+  public String groupName = "";
 
-  public DownloadTaskEntity(DownloadEntity downloadEntity) {
-    this.downloadEntity = downloadEntity;
+  /**
+   * 该任务是否属于任务组
+   */
+  public boolean isGroupTask = false;
+
+  public DownloadTaskEntity() {
   }
 
   @Override public DownloadEntity getEntity() {
-    return downloadEntity;
+    return entity;
   }
 }

Aria/src/main/java/com/arialyy/aria/core/download/DownloadUtil.java

@@ -1,493 +0,0 @@
-/*
- * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.arialyy.aria.core.download;
-
-import android.content.Context;
-import android.util.Log;
-import android.util.SparseArray;
-import com.arialyy.aria.core.AriaManager;
-import com.arialyy.aria.util.BufferedRandomAccessFile;
-import com.arialyy.aria.util.CheckUtil;
-import com.arialyy.aria.util.CommonUtil;
-import java.io.File;
-import java.io.IOException;
-import java.net.HttpURLConnection;
-import java.net.URL;
-import java.util.Properties;
-import java.util.Set;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-
-/**
- * Created by lyy on 2015/8/25.
- * 下载工具类
- */
-class DownloadUtil implements IDownloadUtil, Runnable {
-  private static final String TAG = "DownloadUtil";
-  /**
-   * 线程数
-   */
-  private int THREAD_NUM;
-  /**
-   * 小于1m的文件不启用多线程
-   */
-  private static final long SUB_LEN = 1024 * 1024;
-  //下载监听
-  private IDownloadListener mListener;
-  private int mConnectTimeOut = 0; //连接超时时间
-  private boolean isNewTask = true;
-  private boolean isSupportBreakpoint = true;
-  private Context mContext;
-  private DownloadEntity mDownloadEntity;
-  private DownloadTaskEntity mDownloadTaskEntity;
-  private ExecutorService mFixedThreadPool;
-  private File mDownloadFile; //下载的文件
-  private File mConfigFile;//下载信息配置文件
-  private SparseArray<Runnable> mTask = new SparseArray<>();
-  private DownloadStateConstance CONSTANCE;
-
-  DownloadUtil(Context context, DownloadTaskEntity entity, IDownloadListener downloadListener) {
-    mDownloadEntity = entity.downloadEntity;
-    mContext = context.getApplicationContext();
-    mDownloadTaskEntity = entity;
-    mListener = downloadListener;
-    // 线程下载数改变后，新的下载才会生效
-    //mFixedThreadPool = Executors.newFixedThreadPool(Integer.MAX_VALUE);
-    CONSTANCE = new DownloadStateConstance();
-    init();
-  }
-
-  private void init() {
-    mConnectTimeOut = AriaManager.getInstance(mContext).getDownloadConfig().getConnectTimeOut();
-    mDownloadFile = new File(mDownloadTaskEntity.downloadEntity.getDownloadPath());
-    //读取已完成的线程数
-    mConfigFile = new File(mContext.getFilesDir().getPath()
-        + AriaManager.DOWNLOAD_TEMP_DIR
-        + mDownloadFile.getName()
-        + ".properties");
-    try {
-      if (!mConfigFile.exists()) { //记录文件被删除，则重新下载
-        isNewTask = true;
-        CommonUtil.createFile(mConfigFile.getPath());
-      } else {
-        isNewTask = !mDownloadFile.exists();
-      }
-    } catch (Exception e) {
-      e.printStackTrace();
-      failDownload("下载失败，记录文件被删除");
-    }
-  }
-
-  public IDownloadListener getListener() {
-    return mListener;
-  }
-
-  /**
-   * 获取当前下载位置
-   */
-  @Override public long getCurrentLocation() {
-    return CONSTANCE.CURRENT_LOCATION;
-  }
-
-  @Override public boolean isDownloading() {
-    return CONSTANCE.isDownloading;
-  }
-
-  public void setMaxSpeed(double maxSpeed) {
-    for (int i = 0; i < THREAD_NUM; i++) {
-      SingleThreadTask task = (SingleThreadTask) mTask.get(i);
-      if (task != null) {
-        task.setMaxSpeed(maxSpeed);
-      }
-    }
-  }
-
-  /**
-   * 取消下载
-   */
-  @Override public void cancelDownload() {
-    CONSTANCE.isCancel = true;
-    CONSTANCE.isDownloading = false;
-    if (mFixedThreadPool != null) {
-      mFixedThreadPool.shutdown();
-    }
-    for (int i = 0; i < THREAD_NUM; i++) {
-      SingleThreadTask task = (SingleThreadTask) mTask.get(i);
-      if (task != null) {
-        task.cancel();
-      }
-    }
-  }
-
-  /**
-   * 停止下载
-   */
-  @Override public void stopDownload() {
-    CONSTANCE.isStop = true;
-    CONSTANCE.isDownloading = false;
-    if (mFixedThreadPool != null) {
-      mFixedThreadPool.shutdown();
-    }
-    for (int i = 0; i < THREAD_NUM; i++) {
-      SingleThreadTask task = (SingleThreadTask) mTask.get(i);
-      if (task != null) {
-        task.stop();
-      }
-    }
-  }
-
-  /**
-   * 删除下载记录文件
-   */
-  @Override public void delConfigFile() {
-    if (mContext != null && mDownloadEntity != null) {
-      File dFile = new File(mDownloadEntity.getDownloadPath());
-      File config =
-          new File(mContext.getFilesDir().getPath() + "/temp/" + dFile.getName() + ".properties");
-      if (config.exists()) {
-        config.delete();
-      }
-    }
-  }
-
-  /**
-   * 删除temp文件
-   */
-  @Override public void delTempFile() {
-    if (mContext != null && mDownloadEntity != null) {
-      File dFile = new File(mDownloadEntity.getDownloadPath());
-      if (dFile.exists()) {
-        dFile.delete();
-      }
-    }
-  }
-
-  /**
-   * 多线程断点续传下载文件，开始下载
-   */
-  @Override public void startDownload() {
-    CONSTANCE.cleanState();
-    mListener.onPre();
-    new Thread(this).start();
-  }
-
-  @Override public void resumeDownload() {
-    startDownload();
-  }
-
-  private void failDownload(String msg) {
-    Log.e(TAG, msg);
-    CONSTANCE.isDownloading = false;
-    stopDownload();
-    mListener.onFail();
-  }
-
-  @Override public void run() {
-    try {
-      URL url = new URL(mDownloadEntity.getDownloadUrl());
-      HttpURLConnection conn = ConnectionHelp.handleConnection(url);
-      conn = ConnectionHelp.setConnectParam(mDownloadTaskEntity, conn);
-      conn.setRequestProperty("Range", "bytes=" + 0 + "-");
-      conn.setConnectTimeout(mConnectTimeOut);
-      conn.connect();
-      handleConnect(conn);
-    } catch (IOException e) {
-      failDownload("下载失败【downloadUrl:"
-          + mDownloadEntity.getDownloadUrl()
-          + "】\n【filePath:"
-          + mDownloadFile.getPath()
-          + "】"
-          + CommonUtil.getPrintException(e));
-    }
-  }
-
-  /**
-   * 处理状态吗
-   */
-  private void handleConnect(HttpURLConnection conn) throws IOException {
-    int len = conn.getContentLength();
-    //if (len < 0) {  //网络被劫持时会出现这个问题
-    //  failDownload("下载失败，网络被劫持");
-    //  return;
-    //}
-    int code = conn.getResponseCode();
-    //https://zh.wikipedia.org/wiki/HTTP%E7%8A%B6%E6%80%81%E7%A0%81
-    //206支持断点
-    if (code == HttpURLConnection.HTTP_PARTIAL) {
-      if (!checkLen(len)) return;
-      isSupportBreakpoint = true;
-      mListener.supportBreakpoint(true);
-      handleBreakpoint(conn);
-    } else if (code == HttpURLConnection.HTTP_OK) {
-      //在conn.setRequestProperty("Range", "bytes=" + 0 + "-");下，200为不支持断点状态
-      if (!checkLen(len)) return;
-      isSupportBreakpoint = false;
-      mListener.supportBreakpoint(false);
-      Log.w(TAG, "该下载链接不支持断点下载");
-      handleBreakpoint(conn);
-    } else if (code == HttpURLConnection.HTTP_NOT_FOUND) {
-      Log.w(TAG, "任务【" + mDownloadEntity.getDownloadUrl() + "】下载失败，错误码：404");
-      mListener.onCancel();
-    } else if (code == HttpURLConnection.HTTP_MOVED_TEMP
-        || code == HttpURLConnection.HTTP_MOVED_PERM
-        || code == HttpURLConnection.HTTP_SEE_OTHER) {
-      handle302Turn(conn);
-    } else {
-      failDownload("任务【" + mDownloadEntity.getDownloadUrl() + "】下载失败，错误码：" + code);
-    }
-  }
-
-  /**
-   * 检查长度是否合法
-   *
-   * @param len 从服务器获取的文件长度
-   * @return true, 合法
-   */
-  private boolean checkLen(long len) {
-    if (len < 0) {
-      failDownload("任务【" + mDownloadEntity.getDownloadUrl() + "】下载失败，文件长度小于0");
-      return false;
-    }
-    return true;
-  }
-
-  /**
-   * 处理30x跳转
-   */
-  private void handle302Turn(HttpURLConnection conn) throws IOException {
-    String newUrl = conn.getHeaderField(mDownloadTaskEntity.redirectUrlKey);
-    Log.d(TAG, "30x跳转，新url为【" + newUrl + "】");
-    mDownloadEntity.setRedirect(true);
-    mDownloadEntity.setRedirectUrl(newUrl);
-    mDownloadEntity.update();
-    String cookies = conn.getHeaderField("Set-Cookie");
-    conn = (HttpURLConnection) new URL(newUrl).openConnection();
-    conn = ConnectionHelp.setConnectParam(mDownloadTaskEntity, conn);
-    conn.setRequestProperty("Cookie", cookies);
-    conn.setRequestProperty("Range", "bytes=" + 0 + "-");
-    conn.setConnectTimeout(mConnectTimeOut);
-    conn.connect();
-
-    handleConnect(conn);
-  }
-
-  /**
-   * 处理断点
-   */
-  private void handleBreakpoint(HttpURLConnection conn) throws IOException {
-    //不支持断点只能单线程下载
-    if (!isSupportBreakpoint) {
-      handleNoSupportBreakpointDownload(conn);
-      return;
-    }
-    int fileLength = conn.getContentLength();
-    Properties pro = createConfigFile(fileLength);
-    int blockSize = fileLength / THREAD_NUM;
-    int[] recordL = new int[THREAD_NUM];
-    int rl = 0;
-    for (int i = 0; i < THREAD_NUM; i++) {
-      recordL[i] = -1;
-    }
-    for (int i = 0; i < THREAD_NUM; i++) {
-      long startL = i * blockSize, endL = (i + 1) * blockSize;
-      Object state = pro.getProperty(mDownloadFile.getName() + "_state_" + i);
-      if (state != null && Integer.parseInt(state + "") == 1) {  //该线程已经完成
-        if (resumeRecordLocation(i, startL, endL)) return;
-        continue;
-      }
-      //分配下载位置
-      Object record = pro.getProperty(mDownloadFile.getName() + "_record_" + i);
-      //如果有记录，则恢复下载
-      if (!isNewTask && record != null && Long.parseLong(record + "") > 0) {
-        Long r = Long.parseLong(record + "");
-        CONSTANCE.CURRENT_LOCATION += r - startL;
-        Log.d(TAG, "任务【" + mDownloadEntity.getFileName() + "】线程__" + i + "__恢复下载");
-        mListener.onChildResume(r);
-        startL = r;
-        recordL[rl] = i;
-        rl++;
-      } else {
-        handleNewTask(fileLength);
-      }
-      if (isNewTask) {
-        recordL[rl] = i;
-        rl++;
-      }
-      if (i == (THREAD_NUM - 1)) {
-        //最后一个线程的结束位置即为文件的总长度
-        endL = fileLength;
-      }
-      addSingleTask(i, startL, endL, fileLength);
-    }
-    startSingleTask(recordL);
-  }
-
-  /**
-   * 处理不支持断点的下载
-   */
-  private void handleNoSupportBreakpointDownload(HttpURLConnection conn) {
-    ConfigEntity entity = new ConfigEntity();
-    long len = conn.getContentLength();
-    entity.FILE_SIZE = len;
-    entity.DOWNLOAD_URL = mDownloadEntity.isRedirect() ? mDownloadEntity.getRedirectUrl()
-        : mDownloadEntity.getDownloadUrl();
-    entity.TEMP_FILE = mDownloadFile;
-    entity.THREAD_ID = 0;
-    entity.START_LOCATION = 0;
-    entity.END_LOCATION = entity.FILE_SIZE;
-    entity.CONFIG_FILE_PATH = mConfigFile.getPath();
-    entity.isSupportBreakpoint = isSupportBreakpoint;
-    entity.DOWNLOAD_TASK_ENTITY = mDownloadTaskEntity;
-    THREAD_NUM = 1;
-    CONSTANCE.THREAD_NUM = THREAD_NUM;
-    SingleThreadTask task = new SingleThreadTask(CONSTANCE, mListener, entity);
-    mTask.put(0, task);
-    mFixedThreadPool.execute(task);
-    mListener.onPostPre(len);
-    mListener.onStart(0);
-  }
-
-  /**
-   * 创建配置文件
-   */
-  private Properties createConfigFile(long fileLength) throws IOException {
-    Properties pro = null;
-    //必须建一个文件
-    CommonUtil.createFile(mDownloadFile.getPath());
-    BufferedRandomAccessFile file =
-        new BufferedRandomAccessFile(new File(mDownloadFile.getPath()), "rwd", 8192);
-    //设置文件长度
-    file.setLength(fileLength);
-    mListener.onPostPre(fileLength);
-    //分配每条线程的下载区间
-    pro = CommonUtil.loadConfig(mConfigFile);
-    if (pro.isEmpty()) {
-      handleNewTask(fileLength);
-    } else {
-      Set<Object> keys = pro.keySet();
-      int num = 0;
-      for (Object key : keys) {
-        if (String.valueOf(key).contains("_record_")) {
-          num++;
-        }
-      }
-      if (num == 0) {
-        handleNewTask(fileLength);
-        return pro;
-      }
-      THREAD_NUM = num;
-      for (int i = 0; i < THREAD_NUM; i++) {
-        if (pro.getProperty(mDownloadFile.getName() + "_record_" + i) == null) {
-          Object state = pro.getProperty(mDownloadFile.getName() + "_state_" + i);
-          if (state != null && Integer.parseInt(state + "") == 1) {
-            continue;
-          }
-          handleNewTask(fileLength);
-          return pro;
-        }
-      }
-      isNewTask = false;
-    }
-    return pro;
-  }
-
-  /**
-   * 处理新任务
-   */
-  private void handleNewTask(long fileLength) {
-    isNewTask = true;
-    THREAD_NUM = fileLength < SUB_LEN ? 1
-        : AriaManager.getInstance(mContext).getDownloadConfig().getThreadNum();
-  }
-
-  /**
-   * 恢复记录地址
-   *
-   * @return true 表示下载完成
-   */
-  private boolean resumeRecordLocation(int i, long startL, long endL) {
-    CONSTANCE.CURRENT_LOCATION += endL - startL;
-    Log.d(TAG, "++++++++++ 线程_" + i + "_已经下载完成 ++++++++++");
-    CONSTANCE.COMPLETE_THREAD_NUM++;
-    CONSTANCE.STOP_NUM++;
-    CONSTANCE.CANCEL_NUM++;
-    if (CONSTANCE.isComplete()) {
-      if (mConfigFile.exists()) {
-        mConfigFile.delete();
-      }
-      mListener.onComplete();
-      CONSTANCE.isDownloading = false;
-      return true;
-    }
-    return false;
-  }
-
-  /**
-   * 创建单线程任务
-   */
-  private void addSingleTask(int i, long startL, long endL, long fileLength) {
-    ConfigEntity entity = new ConfigEntity();
-    entity.FILE_SIZE = fileLength;
-    entity.DOWNLOAD_URL = mDownloadEntity.isRedirect() ? mDownloadEntity.getRedirectUrl()
-        : mDownloadEntity.getDownloadUrl();
-    entity.TEMP_FILE = mDownloadFile;
-    entity.THREAD_ID = i;
-    entity.START_LOCATION = startL;
-    entity.END_LOCATION = endL;
-    entity.CONFIG_FILE_PATH = mConfigFile.getPath();
-    entity.isSupportBreakpoint = isSupportBreakpoint;
-    entity.DOWNLOAD_TASK_ENTITY = mDownloadTaskEntity;
-    CONSTANCE.THREAD_NUM = THREAD_NUM;
-    SingleThreadTask task = new SingleThreadTask(CONSTANCE, mListener, entity);
-    mTask.put(i, task);
-  }
-
-  /**
-   * 启动单线程下载任务
-   */
-  private void startSingleTask(int[] recordL) {
-    if (CONSTANCE.CURRENT_LOCATION > 0) {
-      mListener.onResume(CONSTANCE.CURRENT_LOCATION);
-    } else {
-      mListener.onStart(CONSTANCE.CURRENT_LOCATION);
-    }
-    mFixedThreadPool = Executors.newFixedThreadPool(recordL.length);
-    for (int l : recordL) {
-      if (l == -1) continue;
-      Runnable task = mTask.get(l);
-      if (task != null) {
-        mFixedThreadPool.execute(task);
-      }
-    }
-  }
-
-  /**
-   * 子线程下载信息类
-   */
-  final static class ConfigEntity {
-    //文件大小
-    int THREAD_ID;
-    long FILE_SIZE;
-    long START_LOCATION;
-    long END_LOCATION;
-    File TEMP_FILE;
-    String DOWNLOAD_URL;
-    String CONFIG_FILE_PATH;
-    DownloadTaskEntity DOWNLOAD_TASK_ENTITY;
-    boolean isSupportBreakpoint = true;
-  }
-}

Aria/src/main/java/com/arialyy/aria/core/download/downloader/ChildThreadConfigEntity.java

@@ -0,0 +1,24 @@
+package com.arialyy.aria.core.download.downloader;
+
+import com.arialyy.aria.core.download.DownloadTaskEntity;
+import java.io.File;
+
+/**
+ * 子线程下载信息类
+ */
+final class ChildThreadConfigEntity {
+  //线程Id
+  int THREAD_ID;
+  //下载文件大小
+  long FILE_SIZE;
+  //子线程启动下载位置
+  long START_LOCATION;
+  //子线程结束下载位置
+  long END_LOCATION;
+  //下载路径
+  File TEMP_FILE;
+  String DOWNLOAD_URL;
+  String CONFIG_FILE_PATH;
+  DownloadTaskEntity DOWNLOAD_TASK_ENTITY;
+  boolean IS_SUPPORT_BREAK_POINT = true;
+}

Aria/src/main/java/com/arialyy/aria/core/download/downloader/ConnectionHelp.java

@@ -13,8 +13,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.arialyy.aria.core.download;
+package com.arialyy.aria.core.download.downloader;
 
+import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.util.SSLContextUtil;
 import java.io.IOException;
 import java.net.HttpURLConnection;

Aria/src/main/java/com/arialyy/aria/core/download/downloader/DownloadGroupUtil.java

@@ -0,0 +1,403 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.download.downloader;
+
+import android.util.SparseArray;
+import com.arialyy.aria.core.download.DownloadEntity;
+import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
+import com.arialyy.aria.core.download.DownloadTaskEntity;
+import com.arialyy.aria.core.inf.IEntity;
+import com.arialyy.aria.orm.DbEntity;
+import com.arialyy.aria.util.CommonUtil;
+import java.io.File;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.Timer;
+import java.util.TimerTask;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+/**
+ * Created by AriaL on 2017/6/30.
+ * 任务组下载工具
+ */
+public class DownloadGroupUtil implements IDownloadUtil {
+  private final String TAG = "DownloadGroupUtil";
+  /**
+   * 任务组所有任务总大小
+   */
+  private long mTotalSize = 0;
+  private long mCurrentLocation = 0;
+  private ExecutorService mInfoPool;
+  private ExecutorService mExePool;
+  private IDownloadListener mListener;
+  private DownloadGroupTaskEntity mTaskEntity;
+  private boolean isRunning = true;
+  private Timer mTimer;
+  /**
+   * 初始化完成的任务书数
+   */
+  private int mInitNum = 0;
+  /**
+   * 初始化失败的任务数
+   */
+  private int mInitFailNum = 0;
+  /**
+   * 保存所有没有下载完成的任务，key为下载地址
+   */
+  private Map<String, DownloadTaskEntity> mExeMap = new HashMap<>();
+
+  /**
+   * 下载失败的映射表，key为下载地址
+   */
+  private Map<String, DownloadTaskEntity> mFailMap = new HashMap<>();
+
+  /**
+   * 下载器映射表，key为下载地址
+   */
+  private Map<String, Downloader> mDownloaderMap = new HashMap<>();
+
+  /**
+   * 文件信息回调组
+   */
+  private SparseArray<FileInfoThread.OnFileInfoCallback> mFileInfoCallbacks = new SparseArray<>();
+  /**
+   * 该任务组对应的所有任务
+   */
+  private Map<String, DownloadTaskEntity> mTasksMap = new HashMap<>();
+  //已经完成的任务数
+  private int mCompleteNum = 0;
+  //失败的任务数
+  private int mFailNum = 0;
+  //实际的下载任务数
+  private int mActualTaskNum = 0;
+
+  public DownloadGroupUtil(IDownloadListener listener, DownloadGroupTaskEntity taskEntity) {
+    mListener = listener;
+    mTaskEntity = taskEntity;
+    mInfoPool = Executors.newCachedThreadPool();
+    mExePool = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
+    mActualTaskNum = mTaskEntity.entity.getSubTask().size();
+    List<DownloadTaskEntity> tasks =
+        DbEntity.findDatas(DownloadTaskEntity.class, "groupName=?", mTaskEntity.key);
+    if (tasks != null && !tasks.isEmpty()) {
+      for (DownloadTaskEntity te : tasks) {
+        mTasksMap.put(te.getEntity().getDownloadUrl(), te);
+      }
+    }
+    for (DownloadEntity entity : mTaskEntity.entity.getSubTask()) {
+      File file = new File(entity.getDownloadPath());
+      if (entity.isComplete() && file.exists()) {
+        mTotalSize += entity.getFileSize();
+        mCompleteNum++;
+        mInitNum++;
+        mCurrentLocation += entity.getFileSize();
+      } else {
+        mExeMap.put(entity.getDownloadUrl(), createChildDownloadTask(entity));
+        mCurrentLocation += entity.getCurrentProgress();
+      }
+    }
+  }
+
+  @Override public long getFileSize() {
+    return mTotalSize;
+  }
+
+  @Override public long getCurrentLocation() {
+    return mCurrentLocation;
+  }
+
+  @Override public boolean isDownloading() {
+    return isRunning;
+  }
+
+  @Override public void cancelDownload() {
+    isRunning = false;
+    closeTimer();
+    mListener.onCancel();
+    if (!mInfoPool.isShutdown()) {
+      mInfoPool.shutdown();
+    }
+    if (!mExePool.isShutdown()) {
+      mExePool.shutdown();
+    }
+
+    Set<String> keys = mDownloaderMap.keySet();
+    for (String key : keys) {
+      Downloader dt = mDownloaderMap.get(key);
+      if (dt != null) {
+        dt.cancelDownload();
+      }
+    }
+    delDownloadInfo();
+    mTaskEntity.deleteData();
+  }
+
+  /**
+   * 删除所有子任务的下载信息
+   */
+  private void delDownloadInfo() {
+    List<DownloadTaskEntity> tasks =
+        DbEntity.findDatas(DownloadTaskEntity.class, "groupName=?", mTaskEntity.key);
+    if (tasks == null || tasks.isEmpty()) return;
+    for (DownloadTaskEntity taskEntity : tasks) {
+      CommonUtil.delDownloadTaskConfig(taskEntity.removeFile, taskEntity);
+    }
+  }
+
+  @Override public void stopDownload() {
+    isRunning = false;
+    closeTimer();
+    mListener.onStop(mCurrentLocation);
+    if (!mInfoPool.isShutdown()) {
+      mInfoPool.shutdown();
+    }
+    if (!mExePool.isShutdown()) {
+      mExePool.shutdown();
+    }
+
+    Set<String> keys = mDownloaderMap.keySet();
+    for (String key : keys) {
+      Downloader dt = mDownloaderMap.get(key);
+      if (dt != null) {
+        dt.stopDownload();
+      }
+    }
+  }
+
+  @Override public void startDownload() {
+    isRunning = true;
+    Set<String> keys = mExeMap.keySet();
+    mListener.onPre();
+    for (String key : keys) {
+      DownloadTaskEntity taskEntity = mExeMap.get(key);
+      if (taskEntity != null) {
+        mInfoPool.execute(createFileInfoThread(taskEntity));
+      }
+    }
+  }
+
+  @Override public void resumeDownload() {
+    startDownload();
+    mListener.onResume(mCurrentLocation);
+  }
+
+  /**
+   * 创建文件信息获取线程
+   */
+  private FileInfoThread createFileInfoThread(DownloadTaskEntity taskEntity) {
+    FileInfoThread.OnFileInfoCallback callback = mFileInfoCallbacks.get(taskEntity.hashCode());
+
+    if (callback == null) {
+      callback = new FileInfoThread.OnFileInfoCallback() {
+        int failNum = 0;
+
+        @Override public void onComplete(String url, int code) {
+          DownloadTaskEntity te = mExeMap.get(url);
+          if (te != null) {
+            mTotalSize += te.getEntity().getFileSize();
+            startChildDownload(te);
+          }
+          mInitNum++;
+          if (mInitNum + mInitFailNum == mTaskEntity.getEntity().getSubTask().size()) {
+            startRunningFlow();
+          }
+        }
+
+        @Override public void onFail(String url, String errorMsg) {
+          DownloadTaskEntity te = mExeMap.get(url);
+          if (te != null) {
+            mFailMap.put(url, te);
+            mFileInfoCallbacks.put(te.hashCode(), this);
+          }
+          //404链接不重试下载
+          if (failNum < 10 && !errorMsg.contains("错误码：404") && !errorMsg.contains(
+              "UnknownHostException")) {
+            mInfoPool.execute(createFileInfoThread(te));
+          } else {
+            mInitFailNum++;
+            mActualTaskNum--;
+            if (mActualTaskNum < 0) mActualTaskNum = 0;
+          }
+          failNum++;
+          if (mInitNum + mInitFailNum == mTaskEntity.getEntity().getSubTask().size()) {
+            startRunningFlow();
+          }
+        }
+      };
+    }
+    return new FileInfoThread(taskEntity, callback);
+  }
+
+  private void closeTimer() {
+    if (mTimer != null) {
+      mTimer.purge();
+      mTimer.cancel();
+    }
+  }
+
+  /**
+   * 开始进度流程
+   */
+  private void startRunningFlow() {
+    closeTimer();
+    mListener.onPostPre(mTotalSize);
+    mListener.onStart(mCurrentLocation);
+    mTimer = new Timer(true);
+    mTimer.schedule(new TimerTask() {
+      @Override public void run() {
+        if (mCurrentLocation >= 0) {
+          mListener.onProgress(mCurrentLocation);
+        }
+      }
+    }, 0, 1000);
+  }
+
+  /**
+   * 启动子任务下载器
+   */
+  private void startChildDownload(DownloadTaskEntity taskEntity) {
+    ChildDownloadListener listener = new ChildDownloadListener(taskEntity);
+    Downloader dt = new Downloader(listener, taskEntity);
+    mDownloaderMap.put(taskEntity.getEntity().getDownloadUrl(), dt);
+    if (mExePool.isShutdown()) return;
+    mExePool.execute(dt);
+  }
+
+  /**
+   * 创建子任务下载信息
+   */
+  private DownloadTaskEntity createChildDownloadTask(DownloadEntity entity) {
+    DownloadTaskEntity taskEntity = mTasksMap.get(entity.getDownloadUrl());
+    if (taskEntity != null) {
+      taskEntity.entity = entity;
+      return taskEntity;
+    }
+    taskEntity = new DownloadTaskEntity();
+    taskEntity.entity = entity;
+    taskEntity.headers = mTaskEntity.headers;
+    taskEntity.requestEnum = mTaskEntity.requestEnum;
+    taskEntity.redirectUrlKey = mTaskEntity.redirectUrlKey;
+    taskEntity.removeFile = mTaskEntity.removeFile;
+    taskEntity.groupName = mTaskEntity.key;
+    taskEntity.isGroupTask = true;
+    taskEntity.key = entity.getDownloadPath();
+    taskEntity.save();
+    return taskEntity;
+  }
+
+  /**
+   * 子任务事件监听
+   */
+  private class ChildDownloadListener extends DownloadListener {
+
+    DownloadTaskEntity taskEntity;
+    DownloadEntity entity;
+
+    long lastLen = 0;
+
+    ChildDownloadListener(DownloadTaskEntity entity) {
+      this.taskEntity = entity;
+      this.entity = taskEntity.getEntity();
+    }
+
+    @Override public void onPre() {
+      saveData(IEntity.STATE_PRE, -1);
+    }
+
+    @Override public void onPostPre(long fileSize) {
+      entity.setFileSize(fileSize);
+      entity.setConvertFileSize(CommonUtil.formatFileSize(fileSize));
+      saveData(IEntity.STATE_POST_PRE, -1);
+    }
+
+    @Override public void onResume(long resumeLocation) {
+      saveData(IEntity.STATE_POST_PRE, IEntity.STATE_RUNNING);
+      lastLen = resumeLocation;
+    }
+
+    @Override public void onStart(long startLocation) {
+      saveData(IEntity.STATE_POST_PRE, IEntity.STATE_RUNNING);
+      lastLen = startLocation;
+    }
+
+    @Override public void onProgress(long currentLocation) {
+      long speed = currentLocation - lastLen;
+      mCurrentLocation += speed;
+      lastLen = currentLocation;
+      entity.setCurrentProgress(currentLocation);
+      handleSpeed(speed);
+    }
+
+    @Override public void onStop(long stopLocation) {
+      saveData(IEntity.STATE_STOP, stopLocation);
+      handleSpeed(0);
+    }
+
+    @Override public void onCancel() {
+      saveData(IEntity.STATE_CANCEL, -1);
+      handleSpeed(0);
+    }
+
+    @Override public void onComplete() {
+      saveData(IEntity.STATE_COMPLETE, entity.getFileSize());
+      mCompleteNum++;
+      if (mCompleteNum + mFailNum >= mActualTaskNum) {
+        closeTimer();
+        mListener.onComplete();
+      }
+      handleSpeed(0);
+    }
+
+    @Override public void onFail() {
+      entity.setFailNum(entity.getFailNum() + 1);
+      saveData(IEntity.STATE_FAIL, -1);
+      handleSpeed(0);
+      reTry();
+    }
+
+    /**
+     * 失败后重试下载，如果失败次数超过5次，不再重试
+     */
+    private void reTry() {
+      if (entity.getFailNum() < 5) {
+        Downloader dt = mDownloaderMap.get(entity.getDownloadUrl());
+        dt.startDownload();
+      } else {
+        mFailNum++;
+      }
+    }
+
+    private void handleSpeed(long speed) {
+      entity.setSpeed(speed);
+      entity.setConvertSpeed(speed <= 0 ? "" : CommonUtil.formatFileSize(speed) + "/s");
+    }
+
+    private void saveData(int state, long location) {
+      entity.setState(state);
+      entity.setComplete(state == IEntity.STATE_COMPLETE);
+      if (entity.isComplete()) {
+        entity.setCompleteTime(System.currentTimeMillis());
+        entity.setCurrentProgress(entity.getFileSize());
+      } else {
+        entity.setCurrentProgress(location);
+      }
+      entity.update();
+    }
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/download/downloader/DownloadListener.java

@@ -14,12 +14,13 @@
  * limitations under the License.
  */
 
-package com.arialyy.aria.core.download;
+package com.arialyy.aria.core.download.downloader;
+
 
 /**
  * @author lyy
  */
-class DownloadListener implements IDownloadListener {
+public class DownloadListener implements IDownloadListener {
 
   @Override public void onResume(long resumeLocation) {
 

Aria/src/main/java/com/arialyy/aria/core/download/downloader/Downloader.java

@@ -0,0 +1,420 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.download.downloader;
+
+import android.content.Context;
+import android.util.Log;
+import android.util.SparseArray;
+import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.download.DownloadEntity;
+import com.arialyy.aria.core.download.DownloadTaskEntity;
+import com.arialyy.aria.orm.DbEntity;
+import com.arialyy.aria.util.BufferedRandomAccessFile;
+import com.arialyy.aria.util.CommonUtil;
+import java.io.File;
+import java.io.IOException;
+import java.util.Properties;
+import java.util.Set;
+import java.util.Timer;
+import java.util.TimerTask;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+/**
+ * Created by AriaL on 2017/7/1.
+ * 文件下载器
+ */
+class Downloader implements Runnable, IDownloadUtil {
+  private final String TAG = "Downloader";
+  private IDownloadListener mListener;
+  private DownloadTaskEntity mTaskEntity;
+  private DownloadEntity mEntity;
+  private ExecutorService mFixedThreadPool;
+  private File mConfigFile;//下载信息配置文件
+  private Context mContext;
+  private File mTempFile; //下载的文件
+  private boolean isNewTask = true;
+  private int mThreadNum, mRealThreadNum;
+  private StateConstance mConstance;
+  private SparseArray<Runnable> mTask = new SparseArray<>();
+
+  /**
+   * 小于1m的文件不启用多线程
+   */
+  private static final long SUB_LEN = 1024 * 1024;
+  private Timer mTimer;
+
+  Downloader(IDownloadListener listener, DownloadTaskEntity taskEntity) {
+    mListener = listener;
+    mTaskEntity = taskEntity;
+    mEntity = mTaskEntity.getEntity();
+    mContext = AriaManager.APP;
+    mConstance = new StateConstance();
+  }
+
+  void setMaxSpeed(double maxSpeed) {
+    for (int i = 0; i < mThreadNum; i++) {
+      SingleThreadTask task = (SingleThreadTask) mTask.get(i);
+      if (task != null) {
+        task.setMaxSpeed(maxSpeed);
+      }
+    }
+  }
+
+  public StateConstance getConstance() {
+    return mConstance;
+  }
+
+  @Override public void run() {
+    startFlow();
+  }
+
+  /**
+   * 开始下载流程
+   */
+  private void startFlow() {
+    checkTask();
+    mListener.onPostPre(mEntity.getFileSize());
+    mConstance.cleanState();
+    mConstance.isDownloading = true;
+    if (!mTaskEntity.isSupportBP) {
+      mThreadNum = 1;
+      mConstance.THREAD_NUM = mThreadNum;
+      handleNoSupportBreakpointDownload();
+    } else {
+      mThreadNum = isNewTask ? (mEntity.getFileSize() <= SUB_LEN ? 1
+          : AriaManager.getInstance(mContext).getDownloadConfig().getThreadNum()) : mRealThreadNum;
+      mConstance.THREAD_NUM = mThreadNum;
+      mFixedThreadPool = Executors.newFixedThreadPool(mThreadNum);
+      handleBreakpoint();
+    }
+    startTimer();
+  }
+
+  /**
+   * 启动进度获取定时器
+   */
+  private void startTimer() {
+    mTimer = new Timer(true);
+    mTimer.schedule(new TimerTask() {
+      @Override public void run() {
+        if (mConstance.isComplete()) {
+          closeTimer();
+        } else if (mConstance.CURRENT_LOCATION >= 0) {
+          mListener.onProgress(mConstance.CURRENT_LOCATION);
+        }
+      }
+    }, 0, 1000);
+  }
+
+  private void closeTimer() {
+    if (mTimer != null) {
+      mTimer.purge();
+      mTimer.cancel();
+    }
+  }
+
+  @Override public long getFileSize() {
+    return mEntity.getFileSize();
+  }
+
+  /**
+   * 获取当前下载位置
+   */
+  @Override public long getCurrentLocation() {
+    return mConstance.CURRENT_LOCATION;
+  }
+
+  @Override public boolean isDownloading() {
+    return mConstance.isDownloading;
+  }
+
+  @Override public void cancelDownload() {
+    closeTimer();
+    mConstance.isCancel = true;
+    mConstance.isDownloading = false;
+    if (mFixedThreadPool != null) {
+      mFixedThreadPool.shutdown();
+    }
+    for (int i = 0; i < mThreadNum; i++) {
+      SingleThreadTask task = (SingleThreadTask) mTask.get(i);
+      if (task != null) {
+        task.cancel();
+      }
+    }
+    CommonUtil.delDownloadTaskConfig(mTaskEntity.removeFile, mTaskEntity);
+  }
+
+  @Override public void stopDownload() {
+    closeTimer();
+    if (mConstance.isComplete()) return;
+    mConstance.isStop = true;
+    mConstance.isDownloading = false;
+    if (mFixedThreadPool != null) {
+      mFixedThreadPool.shutdown();
+    }
+    for (int i = 0; i < mThreadNum; i++) {
+      SingleThreadTask task = (SingleThreadTask) mTask.get(i);
+      if (task != null) {
+        task.stop();
+      }
+    }
+  }
+
+  /**
+   * 直接调用的时候会自动启动线程执行
+   */
+  @Override public void startDownload() {
+    new Thread(this).start();
+  }
+
+  @Override public void resumeDownload() {
+    startDownload();
+  }
+
+  /**
+   * 返回该下载器的
+   */
+  public IDownloadListener getListener() {
+    return mListener;
+  }
+
+  /**
+   * 检查任务是否是新任务，新任务条件：
+   * 1、文件不存在
+   * 2、下载记录文件不存在
+   * 3、下载记录文件缺失或不匹配
+   * 4、数据库记录不存在
+   * 5、不支持断点，则是新任务
+   */
+  private void checkTask() {
+    if (!mTaskEntity.isSupportBP) {
+      isNewTask = true;
+      return;
+    }
+    mConfigFile = new File(mContext.getFilesDir().getPath()
+        + AriaManager.DOWNLOAD_TEMP_DIR
+        + mEntity.getFileName()
+        + ".properties");
+    mTempFile = new File(mEntity.getDownloadPath());
+    if (!mConfigFile.exists()) { //记录文件被删除，则重新下载
+      isNewTask = true;
+      CommonUtil.createFile(mConfigFile.getPath());
+    } else if (!mTempFile.exists()) {
+      isNewTask = true;
+    } else if (DbEntity.findFirst(DownloadEntity.class, "downloadUrl=?", mEntity.getDownloadUrl())
+        == null) {
+      isNewTask = true;
+    } else {
+      isNewTask = checkConfigFile();
+    }
+  }
+
+  /**
+   * 检查记录文件，如果是新任务返回{@code true}，否则返回{@code false}
+   */
+  private boolean checkConfigFile() {
+    Properties pro = CommonUtil.loadConfig(mConfigFile);
+    if (pro.isEmpty()) {
+      return true;
+    }
+    Set<Object> keys = pro.keySet();
+    int num = 0;
+    for (Object key : keys) {
+      if (String.valueOf(key).contains("_record_")) {
+        num++;
+      }
+    }
+    if (num == 0) {
+      return true;
+    }
+    mRealThreadNum = num;
+    for (int i = 0; i < mRealThreadNum; i++) {
+      if (pro.getProperty(mTempFile.getName() + "_record_" + i) == null) {
+        Object state = pro.getProperty(mTempFile.getName() + "_state_" + i);
+        if (state != null && Integer.parseInt(state + "") == 1) {
+          continue;
+        }
+        return true;
+      }
+    }
+    return false;
+  }
+
+  /**
+   * 恢复记录地址
+   *
+   * @return true 表示下载完成
+   */
+  private boolean resumeRecordLocation(int i, long startL, long endL) {
+    mConstance.CURRENT_LOCATION += endL - startL;
+    Log.d(TAG, "++++++++++ 线程_" + i + "_已经下载完成 ++++++++++");
+    mConstance.COMPLETE_THREAD_NUM++;
+    mConstance.STOP_NUM++;
+    mConstance.CANCEL_NUM++;
+    if (mConstance.isComplete()) {
+      if (mConfigFile.exists()) {
+        mConfigFile.delete();
+      }
+      mListener.onComplete();
+      mConstance.isDownloading = false;
+      return true;
+    }
+    return false;
+  }
+
+  /**
+   * 创建单线程任务
+   */
+  private void addSingleTask(int i, long startL, long endL, long fileLength) {
+    ChildThreadConfigEntity entity = new ChildThreadConfigEntity();
+    entity.FILE_SIZE = fileLength;
+    entity.DOWNLOAD_URL =
+        mEntity.isRedirect() ? mEntity.getRedirectUrl() : mEntity.getDownloadUrl();
+    entity.TEMP_FILE = mTempFile;
+    entity.THREAD_ID = i;
+    entity.START_LOCATION = startL;
+    entity.END_LOCATION = endL;
+    entity.CONFIG_FILE_PATH = mConfigFile.getPath();
+    entity.IS_SUPPORT_BREAK_POINT = mTaskEntity.isSupportBP;
+    entity.DOWNLOAD_TASK_ENTITY = mTaskEntity;
+    SingleThreadTask task = new SingleThreadTask(mConstance, mListener, entity);
+    mTask.put(i, task);
+  }
+
+  /**
+   * 启动单线程下载任务
+   */
+  private void startSingleTask(int[] recordL) {
+    if (mConstance.CURRENT_LOCATION > 0) {
+      mListener.onResume(mConstance.CURRENT_LOCATION);
+    } else {
+      mListener.onStart(mConstance.CURRENT_LOCATION);
+    }
+    mFixedThreadPool = Executors.newFixedThreadPool(recordL.length);
+    for (int l : recordL) {
+      if (l == -1) continue;
+      Runnable task = mTask.get(l);
+      if (task != null) {
+        mFixedThreadPool.execute(task);
+      }
+    }
+  }
+
+  /**
+   * 处理断点
+   */
+  private void handleBreakpoint() {
+    long fileLength = mEntity.getFileSize();
+    Properties pro = CommonUtil.loadConfig(mConfigFile);
+    int blockSize = (int) (fileLength / mThreadNum);
+    int[] recordL = new int[mThreadNum];
+    for (int i = 0; i < mThreadNum; i++) {
+      recordL[i] = -1;
+    }
+    int rl = 0;
+    if (isNewTask) {
+      createNewFile(fileLength);
+    }
+    for (int i = 0; i < mThreadNum; i++) {
+      long startL = i * blockSize, endL = (i + 1) * blockSize;
+      Object state = pro.getProperty(mTempFile.getName() + "_state_" + i);
+      if (state != null && Integer.parseInt(state + "") == 1) {  //该线程已经完成
+        if (resumeRecordLocation(i, startL, endL)) return;
+        continue;
+      }
+      //分配下载位置
+      Object record = pro.getProperty(mTempFile.getName() + "_record_" + i);
+      //如果有记录，则恢复下载
+      if (!isNewTask && record != null && Long.parseLong(record + "") >= 0) {
+        Long r = Long.parseLong(record + "");
+        mConstance.CURRENT_LOCATION += r - startL;
+        Log.d(TAG, "任务【" + mEntity.getFileName() + "】线程__" + i + "__恢复下载");
+        mListener.onChildResume(r);
+        startL = r;
+        recordL[rl] = i;
+        rl++;
+      } else {
+        recordL[rl] = i;
+        rl++;
+      }
+      if (i == (mThreadNum - 1)) {
+        //最后一个线程的结束位置即为文件的总长度
+        endL = fileLength;
+      }
+      addSingleTask(i, startL, endL, fileLength);
+    }
+    startSingleTask(recordL);
+  }
+
+  /**
+   * 创建新的下载文件
+   */
+  private void createNewFile(long fileLength) {
+    CommonUtil.createFile(mTempFile.getPath());
+    BufferedRandomAccessFile file = null;
+    try {
+      file = new BufferedRandomAccessFile(new File(mTempFile.getPath()), "rwd", 8192);
+      //设置文件长度
+      file.setLength(fileLength);
+    } catch (IOException e) {
+      failDownload("下载失败【downloadUrl:"
+          + mEntity.getDownloadUrl()
+          + "】\n【filePath:"
+          + mEntity.getDownloadPath()
+          + "】\n"
+          + CommonUtil.getPrintException(e));
+    } finally {
+      if (file != null) {
+        try {
+          file.close();
+        } catch (IOException e) {
+          e.printStackTrace();
+        }
+      }
+    }
+  }
+
+  /**
+   * 处理不支持断点的下载
+   */
+  private void handleNoSupportBreakpointDownload() {
+    ChildThreadConfigEntity entity = new ChildThreadConfigEntity();
+    long len = mEntity.getFileSize();
+    entity.FILE_SIZE = len;
+    entity.DOWNLOAD_URL =
+        mEntity.isRedirect() ? mEntity.getRedirectUrl() : mEntity.getDownloadUrl();
+    entity.TEMP_FILE = mTempFile;
+    entity.THREAD_ID = 0;
+    entity.START_LOCATION = 0;
+    entity.END_LOCATION = entity.FILE_SIZE;
+    entity.CONFIG_FILE_PATH = mConfigFile.getPath();
+    entity.IS_SUPPORT_BREAK_POINT = mTaskEntity.isSupportBP;
+    entity.DOWNLOAD_TASK_ENTITY = mTaskEntity;
+    SingleThreadTask task = new SingleThreadTask(mConstance, mListener, entity);
+    mTask.put(0, task);
+    mFixedThreadPool.execute(task);
+    mListener.onPostPre(len);
+    mListener.onStart(0);
+  }
+
+  private void failDownload(String errorMsg) {
+    closeTimer();
+    Log.e(TAG, errorMsg);
+    mConstance.isDownloading = false;
+    mListener.onFail();
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/download/downloader/FileInfoThread.java

@@ -0,0 +1,179 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.download.downloader;
+
+import android.text.TextUtils;
+import android.util.Log;
+import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.download.DownloadEntity;
+import com.arialyy.aria.core.download.DownloadTaskEntity;
+import com.arialyy.aria.util.CommonUtil;
+import java.io.IOException;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.net.URLDecoder;
+
+/**
+ * 下载文件信息获取
+ */
+class FileInfoThread implements Runnable {
+  private final String TAG = "FileInfoThread";
+  private DownloadEntity mEntity;
+  private DownloadTaskEntity mTaskEntity;
+  private int mConnectTimeOut;
+  private OnFileInfoCallback onFileInfoListener;
+
+  interface OnFileInfoCallback {
+    /**
+     * 处理完成
+     *
+     * @param code 状态码
+     */
+    void onComplete(String url, int code);
+
+    /**
+     * 请求失败
+     *
+     * @param errorMsg 错误信息
+     */
+    void onFail(String url, String errorMsg);
+  }
+
+  FileInfoThread(DownloadTaskEntity taskEntity, OnFileInfoCallback callback) {
+    this.mTaskEntity = taskEntity;
+    mEntity = taskEntity.getEntity();
+    mConnectTimeOut =
+        AriaManager.getInstance(AriaManager.APP).getDownloadConfig().getConnectTimeOut();
+    onFileInfoListener = callback;
+  }
+
+  @Override public void run() {
+    HttpURLConnection conn = null;
+    try {
+      URL url = new URL(mEntity.getDownloadUrl());
+      conn = ConnectionHelp.handleConnection(url);
+      conn = ConnectionHelp.setConnectParam(mTaskEntity, conn);
+      conn.setRequestProperty("Range", "bytes=" + 0 + "-");
+      conn.setConnectTimeout(mConnectTimeOut);
+      conn.connect();
+      handleConnect(conn);
+    } catch (IOException e) {
+      failDownload("下载失败【downloadUrl:"
+          + mEntity.getDownloadUrl()
+          + "】\n【filePath:"
+          + mEntity.getDownloadPath()
+          + "】\n"
+          + CommonUtil.getPrintException(e));
+    } finally {
+      if (conn != null) {
+        conn.disconnect();
+      }
+    }
+  }
+
+  private void handleConnect(HttpURLConnection conn) throws IOException {
+    int len = conn.getContentLength();
+    int code = conn.getResponseCode();
+    boolean isComplete = false;
+    if (TextUtils.isEmpty(mEntity.getMd5Code())) {
+      String md5Code = conn.getHeaderField(mTaskEntity.md5Key);
+      mEntity.setMd5Code(md5Code);
+    }
+    String disposition = conn.getHeaderField(mTaskEntity.dispositionKey);
+    if (!TextUtils.isEmpty(disposition)) {
+      mEntity.setDisposition(disposition);
+      if (disposition.contains(mTaskEntity.dispositionFileKey)) {
+        String[] infos = disposition.split("=");
+        mEntity.setServerFileName(URLDecoder.decode(infos[1], "utf-8"));
+      }
+    }
+
+    mTaskEntity.code = code;
+    if (code == HttpURLConnection.HTTP_PARTIAL) {
+      if (!checkLen(len)) return;
+      mEntity.setFileSize(len);
+      mTaskEntity.isSupportBP = true;
+      isComplete = true;
+    } else if (code == HttpURLConnection.HTTP_OK) {
+      if (!checkLen(len)) return;
+      mEntity.setFileSize(len);
+      mTaskEntity.isSupportBP = false;
+      isComplete = true;
+    } else if (code == HttpURLConnection.HTTP_NOT_FOUND) {
+      failDownload("任务【" + mEntity.getDownloadUrl() + "】下载失败，错误码：404");
+    } else if (code == HttpURLConnection.HTTP_MOVED_TEMP
+        || code == HttpURLConnection.HTTP_MOVED_PERM
+        || code == HttpURLConnection.HTTP_SEE_OTHER) {
+      mTaskEntity.redirectUrl = conn.getHeaderField(mTaskEntity.redirectUrlKey);
+      mEntity.setRedirect(true);
+      mEntity.setRedirectUrl(mTaskEntity.redirectUrl);
+      handle302Turn(conn);
+    } else {
+      failDownload("任务【" + mEntity.getDownloadUrl() + "】下载失败，错误码：" + code);
+    }
+    if (isComplete) {
+      if (onFileInfoListener != null) {
+        onFileInfoListener.onComplete(mEntity.getDownloadUrl(), code);
+      }
+      mEntity.update();
+      mTaskEntity.update();
+    }
+  }
+
+  /**
+   * 处理30x跳转
+   */
+  private void handle302Turn(HttpURLConnection conn) throws IOException {
+    String newUrl = conn.getHeaderField(mTaskEntity.redirectUrlKey);
+    Log.d(TAG, "30x跳转，location【 " + mTaskEntity.redirectUrlKey + "】" + "新url为【" + newUrl + "】");
+    if (TextUtils.isEmpty(newUrl) || newUrl.equalsIgnoreCase("null")) {
+      if (onFileInfoListener != null) {
+        onFileInfoListener.onFail(mEntity.getDownloadUrl(), "获取重定向链接失败");
+      }
+      return;
+    }
+    String cookies = conn.getHeaderField("Set-Cookie");
+    conn = (HttpURLConnection) new URL(newUrl).openConnection();
+    conn = ConnectionHelp.setConnectParam(mTaskEntity, conn);
+    conn.setRequestProperty("Cookie", cookies);
+    conn.setRequestProperty("Range", "bytes=" + 0 + "-");
+    conn.setConnectTimeout(mConnectTimeOut);
+    conn.connect();
+    handleConnect(conn);
+    conn.disconnect();
+  }
+
+  /**
+   * 检查长度是否合法
+   *
+   * @param len 从服务器获取的文件长度
+   * @return true, 合法
+   */
+  private boolean checkLen(long len) {
+    if (len < 0) {
+      failDownload("任务【" + mEntity.getDownloadUrl() + "】下载失败，文件长度小于0");
+      return false;
+    }
+    return true;
+  }
+
+  private void failDownload(String errorMsg) {
+    Log.e(TAG, errorMsg);
+    if (onFileInfoListener != null) {
+      onFileInfoListener.onFail(mEntity.getDownloadUrl(), errorMsg);
+    }
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/download/downloader/IDownloadListener.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.arialyy.aria.core.download.downloader;
+
+import com.arialyy.aria.core.inf.IEventListener;
+
+/**
+ * 下载监听
+ */
+interface IDownloadListener extends IEventListener {
+
+  /**
+   * 支持断点回调
+   *
+   * @param support true,支持；false 不支持
+   */
+  void supportBreakpoint(boolean support);
+
+  /**
+   * 单一线程的结束位置
+   */
+  void onChildComplete(long finishLocation);
+
+  /**
+   * 子程恢复下载的位置
+   */
+  void onChildResume(long resumeLocation);
+}

Aria/src/main/java/com/arialyy/aria/core/download/downloader/IDownloadUtil.java

@@ -14,58 +14,48 @@
  * limitations under the License.
  */
 
-package com.arialyy.aria.core.download;
+package com.arialyy.aria.core.download.downloader;
 
 /**
  * Created by lyy on 2016/10/31.
  * 抽象的下载接口
  */
-interface IDownloadUtil {
+public interface IDownloadUtil {
+
+  /**
+   * 获取文件大小
+   */
+  long getFileSize();
 
   /**
    * 获取当前下载位置
    */
-  public long getCurrentLocation();
+  long getCurrentLocation();
 
   /**
    * 是否正在下载
    *
    * @return true, 正在下载
    */
-  public boolean isDownloading();
+  boolean isDownloading();
 
   /**
    * 取消下载
    */
-  public void cancelDownload();
+  void cancelDownload();
 
   /**
    * 停止下载
    */
-  public void stopDownload();
+  void stopDownload();
 
   /**
    * 开始下载
    */
-  public void startDownload();
+  void startDownload();
 
   /**
    * 从上次断点恢复下载
    */
-  public void resumeDownload();
-
-  /**
-   * 删除下载记录文件
-   */
-  public void delConfigFile();
-
-  /**
-   * 删除temp文件
-   */
-  public void delTempFile();
-
-  /**
-   * 设置最大下载速度
-   */
-  public void setMaxSpeed(double maxSpeed);
+  void resumeDownload();
 }

Aria/src/main/java/com/arialyy/aria/core/download/downloader/SimpleDownloadUtil.java

@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.arialyy.aria.core.download.downloader;
+
+import android.text.TextUtils;
+import android.util.Log;
+import com.arialyy.aria.core.download.DownloadTaskEntity;
+
+/**
+ * Created by lyy on 2015/8/25.
+ * 简单的下载工具
+ */
+public class SimpleDownloadUtil implements IDownloadUtil, Runnable {
+  private static final String TAG = "SimpleDownloadUtil";
+  private IDownloadListener mListener;
+  private Downloader mDT;
+  private DownloadTaskEntity mTaskEntity;
+
+  public SimpleDownloadUtil(DownloadTaskEntity entity, IDownloadListener downloadListener) {
+    mTaskEntity = entity;
+    mListener = downloadListener;
+    mDT = new Downloader(downloadListener, entity);
+  }
+
+  @Override public long getFileSize() {
+    return mDT.getFileSize();
+  }
+
+  /**
+   * 获取当前下载位置
+   */
+  @Override public long getCurrentLocation() {
+    return mDT.getCurrentLocation();
+  }
+
+  @Override public boolean isDownloading() {
+    return mDT.isDownloading();
+  }
+
+  /**
+   * 取消下载
+   */
+  @Override public void cancelDownload() {
+    mDT.cancelDownload();
+  }
+
+  /**
+   * 停止下载
+   */
+  @Override public void stopDownload() {
+    mDT.stopDownload();
+  }
+
+  /**
+   * 多线程断点续传下载文件，开始下载
+   */
+  @Override public void startDownload() {
+    mListener.onPre();
+    new Thread(this).start();
+  }
+
+  @Override public void resumeDownload() {
+    startDownload();
+  }
+
+  public void setMaxSpeed(double maxSpeed) {
+    mDT.setMaxSpeed(maxSpeed);
+  }
+
+  private void failDownload(String msg) {
+    Log.e(TAG, msg);
+    mListener.onFail();
+  }
+
+  @Override public void run() {
+    if (TextUtils.isEmpty(mTaskEntity.redirectUrl)) {
+      new Thread(new FileInfoThread(mTaskEntity, new FileInfoThread.OnFileInfoCallback() {
+        @Override public void onComplete(String url, int code) {
+          mDT.startDownload();
+        }
+
+        @Override public void onFail(String url, String errorMsg) {
+          failDownload(errorMsg);
+        }
+      })).start();
+    } else {
+      new Downloader(mListener, mTaskEntity).startDownload();
+    }
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/download/downloader/SingleThreadTask.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.arialyy.aria.core.download;
+package com.arialyy.aria.core.download.downloader;
 
 import android.os.Build;
 import android.text.TextUtils;
@@ -28,9 +28,7 @@ import java.math.BigDecimal;
 import java.net.HttpURLConnection;
 import java.net.MalformedURLException;
 import java.net.URL;
-import java.util.HashSet;
 import java.util.Properties;
-import java.util.Set;
 
 /**
  * Created by lyy on 2017/1/18.
@@ -38,23 +36,23 @@ import java.util.Set;
  */
 final class SingleThreadTask implements Runnable {
   private static final String TAG = "SingleThreadTask";
-  private DownloadUtil.ConfigEntity mConfigEntity;
+  private ChildThreadConfigEntity mConfigEntity;
   private String mConfigFPath;
   private long mChildCurrentLocation = 0;
   private int mBufSize;
   private IDownloadListener mListener;
-  private DownloadStateConstance CONSTANCE;
+  private StateConstance CONSTANCE;
   private long mSleepTime = 0;
 
-  SingleThreadTask(DownloadStateConstance constance, IDownloadListener listener,
-      DownloadUtil.ConfigEntity downloadInfo) {
+  SingleThreadTask(StateConstance constance, IDownloadListener listener,
+      ChildThreadConfigEntity downloadInfo) {
     AriaManager manager = AriaManager.getInstance(AriaManager.APP);
     CONSTANCE = constance;
     CONSTANCE.CONNECT_TIME_OUT = manager.getDownloadConfig().getConnectTimeOut();
     CONSTANCE.READ_TIME_OUT = manager.getDownloadConfig().getIOTimeOut();
     mListener = listener;
     this.mConfigEntity = downloadInfo;
-    if (mConfigEntity.isSupportBreakpoint) {
+    if (mConfigEntity.IS_SUPPORT_BREAK_POINT) {
       mConfigFPath = downloadInfo.CONFIG_FILE_PATH;
     }
     mBufSize = manager.getDownloadConfig().getBuffSize();
@@ -76,12 +74,13 @@ final class SingleThreadTask implements Runnable {
   }
 
   @Override public void run() {
-    HttpURLConnection conn;
-    InputStream is;
+    HttpURLConnection conn = null;
+    InputStream is = null;
+    BufferedRandomAccessFile file = null;
     try {
       URL url = new URL(mConfigEntity.DOWNLOAD_URL);
       conn = ConnectionHelp.handleConnection(url);
-      if (mConfigEntity.isSupportBreakpoint) {
+      if (mConfigEntity.IS_SUPPORT_BREAK_POINT) {
         Log.d(TAG, "任务【"
             + mConfigEntity.TEMP_FILE.getName()
             + "】线程__"
@@ -102,8 +101,7 @@ final class SingleThreadTask implements Runnable {
       conn.setReadTimeout(CONSTANCE.READ_TIME_OUT);  //设置读取流的等待时间,必须设置该参数
       is = conn.getInputStream();
       //创建可设置位置的文件
-      BufferedRandomAccessFile file =
-          new BufferedRandomAccessFile(mConfigEntity.TEMP_FILE, "rwd", mBufSize);
+      file = new BufferedRandomAccessFile(mConfigEntity.TEMP_FILE, "rwd", mBufSize);
       //设置每条线程写入文件的位置
       file.seek(mConfigEntity.START_LOCATION);
       byte[] buffer = new byte[mBufSize];
@@ -121,10 +119,6 @@ final class SingleThreadTask implements Runnable {
         file.write(buffer, 0, len);
         progress(len);
       }
-      file.close();
-      //close 为阻塞的，需要使用线程池来处理
-      is.close();
-      conn.disconnect();
       if (CONSTANCE.isCancel) {
         return;
       }
@@ -133,7 +127,7 @@ final class SingleThreadTask implements Runnable {
         return;
       }
       //支持断点的处理
-      if (mConfigEntity.isSupportBreakpoint) {
+      if (mConfigEntity.IS_SUPPORT_BREAK_POINT) {
         Log.i(TAG, "任务【"
             + mConfigEntity.TEMP_FILE.getName()
             + "】线程__"
@@ -161,6 +155,20 @@ final class SingleThreadTask implements Runnable {
       failDownload(mChildCurrentLocation, "下载失败【" + mConfigEntity.DOWNLOAD_URL + "】", e);
     } catch (Exception e) {
       failDownload(mChildCurrentLocation, "获取流失败", e);
+    } finally {
+      try {
+        if (file != null) {
+          file.close();
+        }
+        if (is != null) {
+          is.close();
+        }
+        if (conn != null) {
+          conn.disconnect();
+        }
+      } catch (IOException e) {
+        e.printStackTrace();
+      }
     }
   }
 
@@ -170,7 +178,7 @@ final class SingleThreadTask implements Runnable {
   protected void stop() {
     synchronized (AriaManager.LOCK) {
       try {
-        if (mConfigEntity.isSupportBreakpoint) {
+        if (mConfigEntity.IS_SUPPORT_BREAK_POINT) {
           CONSTANCE.STOP_NUM++;
           Log.d(TAG, "任务【"
               + mConfigEntity.TEMP_FILE.getName()
@@ -202,7 +210,6 @@ final class SingleThreadTask implements Runnable {
     synchronized (AriaManager.LOCK) {
       mChildCurrentLocation += len;
       CONSTANCE.CURRENT_LOCATION += len;
-      mListener.onProgress(CONSTANCE.CURRENT_LOCATION);
     }
   }
 
@@ -211,7 +218,7 @@ final class SingleThreadTask implements Runnable {
    */
   protected void cancel() {
     synchronized (AriaManager.LOCK) {
-      if (mConfigEntity.isSupportBreakpoint) {
+      if (mConfigEntity.IS_SUPPORT_BREAK_POINT) {
         CONSTANCE.CANCEL_NUM++;
         Log.d(TAG, "任务【"
             + mConfigEntity.TEMP_FILE.getName()
@@ -250,7 +257,7 @@ final class SingleThreadTask implements Runnable {
         if (ex != null) {
           Log.e(TAG, msg + "\n" + CommonUtil.getPrintException(ex));
         }
-        if (mConfigEntity.isSupportBreakpoint) {
+        if (mConfigEntity.IS_SUPPORT_BREAK_POINT) {
           writeConfig(false, currentLocation);
           if (CONSTANCE.isFail()) {
             Log.e(TAG, "任务【" + mConfigEntity.TEMP_FILE.getName() + "】下载失败");

Aria/src/main/java/com/arialyy/aria/core/download/downloader/StateConstance.java

@@ -13,13 +13,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.arialyy.aria.core.download;
+package com.arialyy.aria.core.download.downloader;
 
 /**
  * Created by lyy on 2017/1/18.
  * 下载状态常量
  */
-final class DownloadStateConstance {
+final class StateConstance {
   int CANCEL_NUM = 0;
   int STOP_NUM = 0;
   int FAIL_NUM = 0;
@@ -32,7 +32,7 @@ final class DownloadStateConstance {
   boolean isCancel = false;
   boolean isStop = false;
 
-  DownloadStateConstance() {
+  StateConstance() {
   }
 
   void cleanState() {
@@ -45,10 +45,6 @@ final class DownloadStateConstance {
     FAIL_NUM = 0;
   }
 
-  void setThreadNum(int threadNum) {
-    THREAD_NUM = threadNum;
-  }
-
   /**
    * 所有子线程是否都已经停止下载
    */

Aria/src/main/java/com/arialyy/aria/core/inf/AbsEntity.java

@@ -21,7 +21,7 @@ import com.arialyy.aria.orm.DbEntity;
 import com.arialyy.aria.orm.Ignore;
 
 /**
- * Created by AriaL on 2017/6/3.
+ * Created by AriaL on 2017/6/29.
  */
 public abstract class AbsEntity extends DbEntity implements IEntity, Parcelable {
   /**
@@ -31,11 +31,12 @@ public abstract class AbsEntity extends DbEntity implements IEntity, Parcelable
   /**
    * 单位转换后的速度
    */
-  @Ignore private String convertSpeed = "0b/s";
+  @Ignore private String convertSpeed = "";
   /**
    * 下载失败计数，每次开始都重置为0
    */
   @Ignore private int failNum = 0;
+
   /**
    * 扩展字段
    */
@@ -44,6 +45,11 @@ public abstract class AbsEntity extends DbEntity implements IEntity, Parcelable
    * 文件大小
    */
   private long fileSize = 1;
+  /**
+   * 转换后的文件大小
+   */
+  private String convertFileSize = "";
+
   private int state = STATE_WAIT;
   /**
    * 当前下载进度
@@ -53,10 +59,32 @@ public abstract class AbsEntity extends DbEntity implements IEntity, Parcelable
    * 完成时间
    */
   private long completeTime;
-  /**
-   * 文件名
-   */
-  private String fileName = "";
+
+  private boolean isComplete = false;
+
+  public boolean isComplete() {
+    return isComplete;
+  }
+
+  public void setComplete(boolean complete) {
+    isComplete = complete;
+  }
+
+  public String getConvertFileSize() {
+    return convertFileSize;
+  }
+
+  public void setConvertFileSize(String convertFileSize) {
+    this.convertFileSize = convertFileSize;
+  }
+
+  public int getFailNum() {
+    return failNum;
+  }
+
+  public void setFailNum(int failNum) {
+    this.failNum = failNum;
+  }
 
   public long getSpeed() {
     return speed;
@@ -74,14 +102,6 @@ public abstract class AbsEntity extends DbEntity implements IEntity, Parcelable
     this.convertSpeed = convertSpeed;
   }
 
-  public int getFailNum() {
-    return failNum;
-  }
-
-  public void setFailNum(int failNum) {
-    this.failNum = failNum;
-  }
-
   public String getStr() {
     return str;
   }
@@ -122,13 +142,10 @@ public abstract class AbsEntity extends DbEntity implements IEntity, Parcelable
     this.completeTime = completeTime;
   }
 
-  public String getFileName() {
-    return fileName;
-  }
-
-  public void setFileName(String fileName) {
-    this.fileName = fileName;
-  }
+  /**
+   * 实体唯一标识符
+   */
+  public abstract String getKey();
 
   public AbsEntity() {
   }
@@ -143,10 +160,11 @@ public abstract class AbsEntity extends DbEntity implements IEntity, Parcelable
     dest.writeInt(this.failNum);
     dest.writeString(this.str);
     dest.writeLong(this.fileSize);
+    dest.writeString(this.convertFileSize);
     dest.writeInt(this.state);
     dest.writeLong(this.currentProgress);
     dest.writeLong(this.completeTime);
-    dest.writeString(this.fileName);
+    dest.writeByte(this.isComplete ? (byte) 1 : (byte) 0);
   }
 
   protected AbsEntity(Parcel in) {
@@ -155,9 +173,10 @@ public abstract class AbsEntity extends DbEntity implements IEntity, Parcelable
     this.failNum = in.readInt();
     this.str = in.readString();
     this.fileSize = in.readLong();
+    this.convertFileSize = in.readString();
     this.state = in.readInt();
     this.currentProgress = in.readLong();
     this.completeTime = in.readLong();
-    this.fileName = in.readString();
+    this.isComplete = in.readByte() != 0;
   }
 }

Aria/src/main/java/com/arialyy/aria/core/inf/AbsGroupEntity.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.inf;
+
+import android.os.Parcel;
+import android.os.Parcelable;
+import com.arialyy.aria.orm.Primary;
+
+/**
+ * Created by AriaL on 2017/6/3.
+ */
+public abstract class AbsGroupEntity extends AbsEntity implements Parcelable {
+  /**
+   * 组名，组名为任务地址相加的urlMd5
+   */
+  @Primary protected String groupName = "";
+
+  /**
+   * 任务组别名
+   */
+  private String alias = "";
+
+  public String getGroupName() {
+    return groupName;
+  }
+
+  public String getAlias() {
+    return alias;
+  }
+
+  @Override public String getKey() {
+    return groupName;
+  }
+
+  public void setAlias(String alias) {
+    this.alias = alias;
+  }
+
+  public AbsGroupEntity() {
+  }
+
+  @Override public int describeContents() {
+    return 0;
+  }
+
+  @Override public void writeToParcel(Parcel dest, int flags) {
+    super.writeToParcel(dest, flags);
+    dest.writeString(this.groupName);
+    dest.writeString(this.alias);
+  }
+
+  protected AbsGroupEntity(Parcel in) {
+    super(in);
+    this.groupName = in.readString();
+    this.alias = in.readString();
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/inf/AbsGroupTarget.java

@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.inf;
+
+/**
+ * Created by AriaL on 2017/6/29.
+ * 任务组超类
+ */
+public abstract class AbsGroupTarget<TARGET extends AbsGroupTarget, ENTITY extends AbsGroupEntity, TASK_ENTITY extends AbsTaskEntity>
+    extends AbsTarget<TARGET, ENTITY, TASK_ENTITY> {
+
+
+}

Aria/src/main/java/com/arialyy/aria/core/inf/AbsGroupTask.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.inf;
+
+
+/**
+ * Created by AriaL on 2017/6/29.
+ */
+public abstract class AbsGroupTask<TASK_ENTITY extends AbsTaskEntity, ENTITY extends AbsGroupEntity>
+    extends AbsTask<ENTITY> {
+
+  protected TASK_ENTITY mTaskEntity;
+
+
+  @Override public String getKey() {
+    return mEntity.getGroupName();
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/inf/AbsNormalEntity.java

@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.inf;
+
+import android.os.Parcel;
+import android.os.Parcelable;
+import com.arialyy.aria.orm.DbEntity;
+import com.arialyy.aria.orm.Ignore;
+
+/**
+ * Created by AriaL on 2017/6/3.
+ */
+public abstract class AbsNormalEntity extends AbsEntity implements Parcelable {
+
+  /**
+   * 文件名
+   */
+  private String fileName = "";
+
+  /**
+   * 是否是任务组里面的下载实体
+   */
+  private boolean isGroupChild = false;
+
+
+  public boolean isGroupChild() {
+    return isGroupChild;
+  }
+
+  public void setGroupChild(boolean groupChild) {
+    isGroupChild = groupChild;
+  }
+
+  public String getFileName() {
+    return fileName;
+  }
+
+  public void setFileName(String fileName) {
+    this.fileName = fileName;
+  }
+
+  public AbsNormalEntity() {
+  }
+
+  @Override public int describeContents() {
+    return 0;
+  }
+
+  @Override public void writeToParcel(Parcel dest, int flags) {
+    super.writeToParcel(dest, flags);
+    dest.writeString(this.fileName);
+    dest.writeByte(this.isGroupChild ? (byte) 1 : (byte) 0);
+  }
+
+  protected AbsNormalEntity(Parcel in) {
+    super(in);
+    this.fileName = in.readString();
+    this.isGroupChild = in.readByte() != 0;
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/inf/AbsNormalTarget.java

@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.inf;
+
+import android.text.TextUtils;
+import android.util.Log;
+import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.command.normal.NormalCmdFactory;
+import com.arialyy.aria.util.CommonUtil;
+
+/**
+ * Created by lyy on 2017/2/28.
+ */
+public abstract class AbsNormalTarget<TARGET extends AbsTarget, ENTITY extends AbsEntity, TASK_ENTITY extends AbsTaskEntity>
+    extends AbsTarget<TARGET, ENTITY, TASK_ENTITY> {
+
+  /**
+   * 将任务设置为最高优先级任务，最高优先级任务有以下特点：
+   * 1、在下载队列中，有且只有一个最高优先级任务
+   * 2、最高优先级任务会一直存在，直到用户手动暂停或任务完成
+   * 3、任务调度器不会暂停最高优先级任务
+   * 4、用户手动暂停或任务完成后，第二次重新执行该任务，该命令将失效
+   * 5、如果下载队列中已经满了，则会停止队尾的任务，当高优先级任务完成后，该队尾任务将自动执行
+   * 6、把任务设置为最高优先级任务后，将自动执行任务，不需要重新调用start()启动任务
+   */
+  protected void setHighestPriority() {
+    AriaManager.getInstance(AriaManager.APP)
+        .setCmd(
+            CommonUtil.createCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_HIGHEST_PRIORITY))
+        .exe();
+  }
+
+  /**
+   * 重定向后，新url的key，默认为location
+   */
+  protected void _setRedirectUrlKey(String redirectUrlKey) {
+    if (TextUtils.isEmpty(redirectUrlKey)) {
+      Log.w("AbsNormalTarget", "重定向后，新url的key不能为null");
+      return;
+    }
+    mTaskEntity.redirectUrlKey = redirectUrlKey;
+  }
+
+  /**
+   * 删除记录
+   */
+  public void removeRecord() {
+    mEntity.deleteData();
+  }
+
+  /**
+   * 获取任务文件大小
+   *
+   * @return 文件大小
+   */
+  public long getFileSize() {
+    return getSize();
+  }
+
+
+  /**
+   * 获取单位转换后的文件大小
+   *
+   * @return 文件大小{@code xxx mb}
+   */
+  public String getConvertFileSize() {
+    return getConvertSize();
+  }
+
+  /**
+   * 下载任务是否存在
+   */
+  public boolean taskExists() {
+    return false;
+  }
+
+  /**
+   * 添加任务
+   */
+  public void add() {
+    AriaManager.getInstance(AriaManager.APP)
+        .setCmd(CommonUtil.createCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_CREATE))
+        .exe();
+  }
+
+  /**
+   * 重新下载
+   */
+  public void reStart() {
+    cancel();
+    start();
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/inf/AbsNormalTask.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.inf;
+
+/**
+ * Created by lyy on 2017/6/3.
+ */
+public abstract class AbsNormalTask<ENTITY extends AbsEntity> extends AbsTask<ENTITY> {
+
+  /**
+   * 暂停任务，并让任务处于等待状态
+   */
+  public void stopAndWait() {
+
+  }
+
+  /**
+   * 最高优先级命令，最高优先级命令有以下属性
+   * 1、在下载队列中，有且只有一个最高优先级任务
+   * 2、最高优先级任务会一直存在，直到用户手动暂停或任务完成
+   * 3、任务调度器不会暂停最高优先级任务
+   * 4、用户手动暂停或任务完成后，第二次重新执行该任务，该命令将失效
+   * 5、如果下载队列中已经满了，则会停止队尾的任务
+   * 6、把任务设置为最高优先级任务后，将自动执行任务，不需要重新调用start()启动任务
+   */
+  public void setHighestPriority(boolean isHighestPriority) {
+    isHeighestTask = isHighestPriority;
+  }
+
+
+}

Aria/src/main/java/com/arialyy/aria/core/inf/AbsReceiver.java

@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.arialyy.aria.core.inf;
+
+/**
+ * Created by AriaL on 2017/6/27.
+ */
+
+public abstract class AbsReceiver<ENTITY extends AbsEntity> implements IReceiver<ENTITY>{
+  public String targetName;
+  public Object obj;
+
+}

Aria/src/main/java/com/arialyy/aria/core/inf/AbsTarget.java

@@ -20,32 +20,55 @@ import android.text.TextUtils;
 import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.RequestEnum;
-import com.arialyy.aria.core.command.AbsCmd;
-import com.arialyy.aria.core.command.CmdFactory;
-import com.arialyy.aria.core.download.DownloadEntity;
-import com.arialyy.aria.core.upload.UploadEntity;
+import com.arialyy.aria.core.command.normal.NormalCmdFactory;
 import com.arialyy.aria.util.CommonUtil;
-import java.util.ArrayList;
-import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
 /**
- * Created by lyy on 2017/2/28.
+ * Created by AriaL on 2017/7/3.
  */
-public abstract class AbsTarget<ENTITY extends AbsEntity, TASK_ENTITY extends AbsTaskEntity> {
-  protected ENTITY entity;
-  protected TASK_ENTITY taskEntity;
-  protected String targetName;
+public abstract class AbsTarget<TARGET extends AbsTarget, ENTITY extends AbsEntity, TASK_ENTITY extends AbsTaskEntity>
+    implements ITarget<TARGET> {
+  protected ENTITY mEntity;
+  protected TASK_ENTITY mTaskEntity;
+  protected String mTargetName;
+
+  /**
+   * 获取任务进度，如果任务存在，则返回当前进度
+   *
+   * @return 该任务进度
+   */
+  public long getCurrentProgress() {
+    return mEntity == null ? -1 : mEntity.getCurrentProgress();
+  }
+
+  /**
+   * 获取任务文件大小
+   *
+   * @return 文件大小
+   */
+  @Override public long getSize() {
+    return mEntity == null ? 0 : mEntity.getFileSize();
+  }
+
+  /**
+   * 获取单位转换后的文件大小
+   *
+   * @return 文件大小{@code xxx mb}
+   */
+  @Override public String getConvertSize() {
+    return mEntity == null ? "0b" : CommonUtil.formatFileSize(mEntity.getFileSize());
+  }
 
   /**
    * 设置扩展字段，用来保存你的其它数据，如果你的数据比较多，你可以把你的数据转换为JSON字符串，然后再存到Aria中
    *
    * @param str 扩展数据
    */
-  public AbsTarget setExtendField(String str) {
-    entity.setStr(str);
-    return this;
+  public TARGET setExtendField(String str) {
+    mEntity.setStr(str);
+    return (TARGET) this;
   }
 
   /**
@@ -53,7 +76,7 @@ public abstract class AbsTarget<ENTITY extends AbsEntity, TASK_ENTITY extends Ab
    * 设置扩展字段{@link #setExtendField(String)}
    */
   public String getExtendField() {
-    return entity.getStr();
+    return mEntity.getStr();
   }
 
   /**
@@ -62,79 +85,7 @@ public abstract class AbsTarget<ENTITY extends AbsEntity, TASK_ENTITY extends Ab
    * @return {@link IEntity}
    */
   public int getTaskState() {
-    return entity.getState();
-  }
-
-  /**
-   * 将任务设置为最高优先级任务，最高优先级任务有以下特点：
-   * 1、在下载队列中，有且只有一个最高优先级任务
-   * 2、最高优先级任务会一直存在，直到用户手动暂停或任务完成
-   * 3、任务调度器不会暂停最高优先级任务
-   * 4、用户手动暂停或任务完成后，第二次重新执行该任务，该命令将失效
-   * 5、如果下载队列中已经满了，则会停止队尾的任务，当高优先级任务完成后，该队尾任务将自动执行
-   * 6、把任务设置为最高优先级任务后，将自动执行任务，不需要重新调用start()启动任务
-   */
-  protected void setHighestPriority() {
-    AriaManager.getInstance(AriaManager.APP)
-        .setCmd(CommonUtil.createCmd(targetName, taskEntity, CmdFactory.TASK_HIGHEST_PRIORITY))
-        .exe();
-  }
-
-  /**
-   * 重定向后，新url的key，默认为location
-   */
-  protected void _setRedirectUrlKey(String redirectUrlKey) {
-    if (TextUtils.isEmpty(redirectUrlKey)) {
-      Log.w("AbsTarget", "重定向后，新url的key不能为null");
-      return;
-    }
-    taskEntity.redirectUrlKey = redirectUrlKey;
-  }
-
-  /**
-   * 删除记录
-   */
-  public void removeRecord() {
-    entity.deleteData();
-  }
-
-  /**
-   * 获取任务文件大小
-   *
-   * @return 文件大小
-   */
-  public long getFileSize() {
-    if (entity instanceof DownloadEntity) {
-      DownloadEntity entity = (DownloadEntity) this.entity;
-      return entity.getFileSize();
-    } else if (entity instanceof UploadEntity) {
-      UploadEntity entity = (UploadEntity) this.entity;
-      return entity.getFileSize();
-    }
-    return 0;
-  }
-
-  /**
-   * 获取单位转换后的文件大小
-   *
-   * @return 文件大小{@code xxx mb}
-   */
-  public String getConvertFileSize() {
-    if (entity instanceof DownloadEntity) {
-      DownloadEntity entity = (DownloadEntity) this.entity;
-      return CommonUtil.formatFileSize(entity.getFileSize());
-    } else if (entity instanceof UploadEntity) {
-      UploadEntity entity = (UploadEntity) this.entity;
-      return CommonUtil.formatFileSize(entity.getFileSize());
-    }
-    return "0b";
-  }
-
-  /**
-   * 下载任务是否存在
-   */
-  public boolean taskExists() {
-    return false;
+    return mEntity.getState();
   }
 
   /**
@@ -142,24 +93,15 @@ public abstract class AbsTarget<ENTITY extends AbsEntity, TASK_ENTITY extends Ab
    *
    * @return 返回任务进度
    */
-  protected int getPercent() {
+  @Override public int getPercent() {
+    if (mEntity == null) {
+      Log.e("AbsTarget", "下载管理器中没有该任务");
       return 0;
     }
-
-  /**
-   * 获取任务进度，如果任务存在，则返回当前进度
-   *
-   * @return 该任务进度
-   */
-  public long getCurrentProgress() {
-    if (entity instanceof DownloadEntity) {
-      DownloadEntity entity = (DownloadEntity) this.entity;
-      return entity.getCurrentProgress();
-    } else if (entity instanceof UploadEntity) {
-      UploadEntity entity = (UploadEntity) this.entity;
-      return entity.getCurrentProgress();
+    if (mEntity.getFileSize() != 0) {
+      return (int) (mEntity.getCurrentProgress() * 100 / mEntity.getFileSize());
     }
-    return -1;
+    return 0;
   }
 
   /**
@@ -168,20 +110,22 @@ public abstract class AbsTarget<ENTITY extends AbsEntity, TASK_ENTITY extends Ab
    * @param key 头部key
    * @param header 头部value
    */
-  protected void _addHeader(@NonNull String key, @NonNull String header) {
-    taskEntity.headers.put(key, header);
+  public TARGET addHeader(@NonNull String key, @NonNull String header) {
+    mTaskEntity.headers.put(key, header);
+    return (TARGET) this;
   }
 
   /**
    * 给url请求添加头部
    */
-  protected void _addHeaders(Map<String, String> headers) {
+  public TARGET addHeaders(Map<String, String> headers) {
     if (headers != null && headers.size() > 0) {
       Set<String> keys = headers.keySet();
       for (String key : keys) {
-        taskEntity.headers.put(key, headers.get(key));
+        mTaskEntity.headers.put(key, headers.get(key));
       }
     }
+    return (TARGET) this;
   }
 
   /**
@@ -189,62 +133,76 @@ public abstract class AbsTarget<ENTITY extends AbsEntity, TASK_ENTITY extends Ab
    *
    * @param requestEnum {@link RequestEnum}
    */
-  protected void _setRequestMode(RequestEnum requestEnum) {
-    taskEntity.requestEnum = requestEnum;
-  }
-
-  /**
-   * 添加任务
-   */
-  public void add() {
-    AriaManager.getInstance(AriaManager.APP)
-        .setCmd(CommonUtil.createCmd(targetName, taskEntity, CmdFactory.TASK_CREATE))
-        .exe();
+  public TARGET setRequestMode(RequestEnum requestEnum) {
+    mTaskEntity.requestEnum = requestEnum;
+    return (TARGET) this;
   }
 
   /**
    * 开始下载
    */
-  public void start() {
-    List<AbsCmd> cmds = new ArrayList<>();
-    cmds.add(CommonUtil.createCmd(targetName, taskEntity, CmdFactory.TASK_CREATE));
-    cmds.add(CommonUtil.createCmd(targetName, taskEntity, CmdFactory.TASK_START));
-    AriaManager.getInstance(AriaManager.APP).setCmds(cmds).exe();
-    cmds.clear();
+  @Override public void start() {
+    AriaManager.getInstance(AriaManager.APP)
+        .setCmd(CommonUtil.createCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_START))
+        .exe();
   }
 
   /**
    * 停止下载
+   *
+   * @see #stop()
    */
-  protected void pause() {
+  @Deprecated public void pause() {
+    stop();
+  }
+
+  @Override public void stop() {
     AriaManager.getInstance(AriaManager.APP)
-        .setCmd(CommonUtil.createCmd(targetName, taskEntity, CmdFactory.TASK_STOP))
+        .setCmd(CommonUtil.createCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_STOP))
         .exe();
   }
 
   /**
    * 恢复下载
    */
-  protected void resume() {
+  @Override public void resume() {
     AriaManager.getInstance(AriaManager.APP)
-        .setCmd(CommonUtil.createCmd(targetName, taskEntity, CmdFactory.TASK_START))
+        .setCmd(CommonUtil.createCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_START))
         .exe();
   }
 
   /**
    * 取消下载
    */
-  public void cancel() {
+  @Override public void cancel() {
     AriaManager.getInstance(AriaManager.APP)
-        .setCmd(CommonUtil.createCmd(targetName, taskEntity, CmdFactory.TASK_CANCEL))
+        .setCmd(CommonUtil.createCmd(mTargetName, mTaskEntity, NormalCmdFactory.TASK_CANCEL))
         .exe();
   }
 
   /**
-   * 重新下载
+   * 创建文件名，如果url链接有后缀名，则使用url中的后缀名
+   *
+   * @return url 的 hashKey
    */
-  void reStart() {
-    cancel();
-    start();
+  protected String createFileName(String url) {
+    int end = url.indexOf("?");
+    String tempUrl, fileName = "";
+    if (end > 0) {
+      tempUrl = url.substring(0, end);
+      int tempEnd = tempUrl.lastIndexOf("/");
+      if (tempEnd > 0) {
+        fileName = tempUrl.substring(tempEnd + 1, tempUrl.length());
+      }
+    } else {
+      int tempEnd = url.lastIndexOf("/");
+      if (tempEnd > 0) {
+        fileName = url.substring(tempEnd + 1, url.length());
+      }
+    }
+    if (TextUtils.isEmpty(fileName)) {
+      fileName = CommonUtil.keyToHashKey(url);
+    }
+    return fileName;
   }
 }

Aria/src/main/java/com/arialyy/aria/core/inf/AbsTask.java

@@ -16,25 +16,100 @@
 package com.arialyy.aria.core.inf;
 
 import android.content.Context;
+import android.os.Handler;
 import com.arialyy.aria.util.CommonUtil;
 
 /**
- * Created by lyy on 2017/6/3.
+ * Created by AriaL on 2017/6/29.
  */
-public abstract class AbsTask<TASK_ENTITY extends AbsTaskEntity, ENTITY extends AbsEntity>
-    implements ITask<ENTITY> {
+public abstract class AbsTask<ENTITY extends AbsEntity> implements ITask<ENTITY> {
 
   protected ENTITY mEntity;
+  protected Handler mOutHandler;
 
   /**
    * 用于生成该任务对象的hash码
    */
   private String mTargetName;
   protected Context mContext;
-  private boolean isHeighestTask = false;
 
-  @Override public void stopAndWait() {
+  protected boolean isHeighestTask = false;
 
+  /**
+   * 任务是否完成
+   *
+   * @return {@code true} 已经完成，{@code false} 未完成
+   */
+  public boolean isComplete() {
+    return mEntity.isComplete();
+  }
+
+  /**
+   * 获取当前下载进度
+   */
+  @Override public long getCurrentProgress() {
+    return mEntity.getCurrentProgress();
+  }
+
+  /**
+   * 获取单位转换后的进度
+   *
+   * @return 如：已经下载3mb的大小，则返回{@code 3mb}
+   */
+  @Override public String getConvertCurrentProgress() {
+    if (mEntity.getCurrentProgress() == 0) {
+      return "0b";
+    }
+    return CommonUtil.formatFileSize(mEntity.getCurrentProgress());
+  }
+
+  /**
+   * 转换单位后的文件长度
+   *
+   * @return 如果文件长度为0，则返回0m，否则返回转换后的长度1b、1kb、1mb、1gb、1tb
+   */
+  @Override public String getConvertFileSize() {
+    if (mEntity.getFileSize() == 0) {
+      return "0mb";
+    }
+    return CommonUtil.formatFileSize(mEntity.getFileSize());
+  }
+
+  /**
+   * 获取文件大小
+   */
+  @Override public long getFileSize() {
+    return mEntity.getFileSize();
+  }
+
+  /**
+   * 获取百分比进度
+   *
+   * @return 返回百分比进度，如果文件长度为0，返回0
+   */
+  @Override public int getPercent() {
+    if (mEntity.getFileSize() == 0) {
+      return 0;
+    }
+    return (int) (mEntity.getCurrentProgress() * 100 / mEntity.getFileSize());
+  }
+
+  /**
+   * 任务当前状态
+   *
+   * @return {@link IEntity}
+   */
+  public int getState() {
+    return mEntity == null ? IEntity.STATE_OTHER : mEntity.getState();
+  }
+
+  /**
+   * 获取保存的扩展字段
+   *
+   * @return 如果实体不存在，则返回null，否则返回扩展字段
+   */
+  @Override public String getExtendField() {
+    return mEntity == null ? null : mEntity.getStr();
   }
 
   /**
@@ -79,84 +154,10 @@ public abstract class AbsTask<TASK_ENTITY extends AbsTaskEntity, ENTITY extends
     return mEntity.getConvertSpeed();
   }
 
-  /**
-   * 最高优先级命令，最高优先级命令有以下属性
-   * 1、在下载队列中，有且只有一个最高优先级任务
-   * 2、最高优先级任务会一直存在，直到用户手动暂停或任务完成
-   * 3、任务调度器不会暂停最高优先级任务
-   * 4、用户手动暂停或任务完成后，第二次重新执行该任务，该命令将失效
-   * 5、如果下载队列中已经满了，则会停止队尾的任务
-   * 6、把任务设置为最高优先级任务后，将自动执行任务，不需要重新调用start()启动任务
-   */
-  @Override public void setHighestPriority(boolean isHighestPriority) {
-    isHeighestTask = isHighestPriority;
-  }
-
-  @Override public boolean isHighestPriorityTask() {
-    return isHeighestTask;
-  }
-
-  /**
-   * 获取百分比进度
-   *
-   * @return 返回百分比进度，如果文件长度为0，返回0
-   */
-  @Override public int getPercent() {
-    if (mEntity.getFileSize() == 0) {
-      return 0;
-    }
-    return (int) (mEntity.getCurrentProgress() * 100 / mEntity.getFileSize());
-  }
-
-  /**
-   * 获取文件大小
-   */
-  @Override public long getFileSize() {
-    return mEntity.getFileSize();
-  }
-
-  /**
-   * 转换单位后的文件长度
-   *
-   * @return 如果文件长度为0，则返回0m，否则返回转换后的长度1b、1kb、1mb、1gb、1tb
-   */
-  @Override public String getConvertFileSize() {
-    if (mEntity.getFileSize() == 0) {
-      return "0mb";
-    }
-    return CommonUtil.formatFileSize(mEntity.getFileSize());
-  }
-
-  /**
-   * 获取当前下载进度
-   */
-  @Override public long getCurrentProgress() {
-    return mEntity.getCurrentProgress();
-  }
-
-  /**
-   * 获取单位转换后的进度
-   *
-   * @return 如：已经下载3mb的大小，则返回{@code 3mb}
-   */
-  @Override public String getConvertCurrentProgress() {
-    if (mEntity.getCurrentProgress() == 0) {
-      return "0b";
-    }
-    return CommonUtil.formatFileSize(mEntity.getCurrentProgress());
-  }
-
   @Override public ENTITY getEntity() {
     return mEntity;
   }
 
-  /**
-   * 删除任务记录，删除后，再次启动该任务的下载时，将重新下载
-   */
-  @Override public void removeRecord() {
-    mEntity.deleteData();
-  }
-
   public String getTargetName() {
     return mTargetName;
   }
@@ -164,4 +165,8 @@ public abstract class AbsTask<TASK_ENTITY extends AbsTaskEntity, ENTITY extends
   @Override public void setTargetName(String targetName) {
     this.mTargetName = targetName;
   }
+
+  public boolean isHighestPriorityTask() {
+    return isHeighestTask;
+  }
 }

Aria/src/main/java/com/arialyy/aria/core/inf/AbsTaskEntity.java

@@ -16,14 +16,22 @@
 package com.arialyy.aria.core.inf;
 
 import com.arialyy.aria.core.RequestEnum;
+import com.arialyy.aria.orm.DbEntity;
+import com.arialyy.aria.orm.Ignore;
+import com.arialyy.aria.orm.Primary;
 import java.util.HashMap;
 import java.util.Map;
 
 /**
  * Created by lyy on 2017/2/23.
  */
+public abstract class AbsTaskEntity<ENTITY extends AbsEntity> extends DbEntity {
+
+  /**
+   * Task实体对应的key
+   */
+  @Primary public String key = "";
 
-public abstract class AbsTaskEntity {
   /**
    * http 请求头
    */
@@ -35,9 +43,45 @@ public abstract class AbsTaskEntity {
   public RequestEnum requestEnum = RequestEnum.GET;
 
   /**
-   * 重定向后，新url的key
+   * 从链接中含有的文件md5码信息所需要的key
+   */
+  public String md5Key = "Content-MD5";
+
+  /**
+   * 从链接中获取文件描述信息所需要的key
+   */
+  public String dispositionKey = "Content-Disposition";
+
+  /**
+   * 重定向后，从链接中获取新url所需要的key
    */
   public String redirectUrlKey = "location";
 
-  public abstract AbsEntity getEntity();
+  /**
+   * 从Disposition获取的文件名说需要的key
+   */
+  public String dispositionFileKey = "attachment;filename";
+
+  /**
+   * 重定向链接
+   */
+  public String redirectUrl = "";
+
+  /**
+   * {@code true}  删除任务数据库记录，并且删除已经下载完成的文件
+   * {@code false} 如果任务已经完成，只删除任务数据库记录
+   */
+  @Ignore public boolean removeFile = false;
+
+  /**
+   * 是否支持断点, {@code true} 为支持断点
+   */
+  public boolean isSupportBP = true;
+
+  /**
+   * 状态码
+   */
+  public int code;
+
+  public abstract ENTITY getEntity();
 }

Aria/src/main/java/com/arialyy/aria/core/inf/IEntity.java

@@ -20,42 +20,41 @@ import com.arialyy.aria.orm.Ignore;
 /**
  * Created by lyy on 2017/2/23.
  */
-
 public interface IEntity {
   /**
    * 其它状态
    */
-  @Ignore public static final int STATE_OTHER = -1;
+  @Ignore int STATE_OTHER = -1;
   /**
    * 失败状态
    */
-  @Ignore public static final int STATE_FAIL = 0;
+  @Ignore int STATE_FAIL = 0;
   /**
    * 完成状态
    */
-  @Ignore public static final int STATE_COMPLETE = 1;
+  @Ignore int STATE_COMPLETE = 1;
   /**
    * 停止状态
    */
-  @Ignore public static final int STATE_STOP = 2;
+  @Ignore int STATE_STOP = 2;
   /**
-   * 未开始状态
+   * 等待状态
    */
-  @Ignore public static final int STATE_WAIT = 3;
+  @Ignore int STATE_WAIT = 3;
   /**
    * 下载中
    */
-  @Ignore public static final int STATE_RUNNING = 4;
+  @Ignore int STATE_RUNNING = 4;
   /**
    * 预处理
    */
-  @Ignore public static final int STATE_PRE = 5;
+  @Ignore int STATE_PRE = 5;
   /**
    * 预处理完成
    */
-  @Ignore public static final int STATE_POST_PRE = 6;
+  @Ignore int STATE_POST_PRE = 6;
   /**
    * 取消下载
    */
-  @Ignore public static final int STATE_CANCEL = 7;
+  @Ignore int STATE_CANCEL = 7;
 }

Aria/src/main/java/com/arialyy/aria/core/inf/IEventListener.java

@@ -13,73 +13,56 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
-package com.arialyy.aria.core.download;
+package com.arialyy.aria.core.inf;
 
 /**
- * 下载监听
+ * Created by Aria.Lao on 2017/7/18.
+ * 基础事件
  */
-interface IDownloadListener {
-
-  /**
-   * 支持断点回调
-   *
-   * @param support true,支持；false 不支持
-   */
-  public void supportBreakpoint(boolean support);
-
-  /**
-   * 取消下载
-   */
-  public void onCancel();
-
-  /**
-   * 下载失败
-   */
-  public void onFail();
+public interface IEventListener {
 
   /**
    * 预处理，有时有些地址链接比较慢，这时可以先在这个地方出来一些界面上的UI，如按钮的状态
    */
-  public void onPre();
+  void onPre();
 
   /**
    * 预处理完成,准备下载---开始下载之间
    */
-  public void onPostPre(long fileSize);
-
-  /**
-   * 下载监听
-   */
-  public void onProgress(long currentLocation);
-
-  /**
-   * 单一线程的结束位置
-   */
-  public void onChildComplete(long finishLocation);
+  void onPostPre(long fileSize);
 
   /**
    * 开始
    */
-  public void onStart(long startLocation);
-
-  /**
-   * 子程恢复下载的位置
-   */
-  public void onChildResume(long resumeLocation);
+  void onStart(long startLocation);
 
   /**
    * 恢复位置
    */
-  public void onResume(long resumeLocation);
+  void onResume(long resumeLocation);
+
+  /**
+   * 下载监听
+   */
+  void onProgress(long currentLocation);
 
   /**
    * 停止
    */
-  public void onStop(long stopLocation);
+  void onStop(long stopLocation);
 
   /**
    * 下载完成
    */
-  public void onComplete();
+  void onComplete();
+
+  /**
+   * 取消下载
+   */
+  void onCancel();
+
+  /**
+   * 下载失败
+   */
+  void onFail();
 }

Aria/src/main/java/com/arialyy/aria/core/inf/IReceiver.java

@@ -44,7 +44,7 @@ public interface IReceiver<ENTITY extends IEntity> {
   /**
    * 删除所有任务
    */
-  public void removeAllTask();
+  public void removeAllTask(boolean removeFile);
 
   /**
    * 任务是否存在
@@ -56,5 +56,5 @@ public interface IReceiver<ENTITY extends IEntity> {
   /**
    * 获取任务列表
    */
-  public List<ENTITY> getTaskList();
+  public List<ENTITY> getSimpleTaskList();
 }

Aria/src/main/java/com/arialyy/aria/core/inf/ITarget.java

@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.inf;
+
+import android.support.annotation.NonNull;
+import com.arialyy.aria.core.RequestEnum;
+import java.util.Map;
+
+/**
+ * Created by AriaL on 2017/6/29.
+ */
+public interface ITarget<TARGET extends ITarget> {
+  /**
+   * 任务文件大小
+   */
+  long getSize();
+
+  /**
+   * 转换后的大小
+   */
+  String getConvertSize();
+
+  /**
+   * 获取任务进度百分比
+   */
+  int getPercent();
+
+  /**
+   * 获取任务进度，如果任务存在，则返回当前进度
+   */
+  long getCurrentProgress();
+
+  /**
+   * 给url请求添加头部
+   *
+   * @param key 头部key
+   * @param header 头部value
+   */
+  TARGET addHeader(@NonNull String key, @NonNull String header) ;
+
+  /**
+   * 给url请求添加头部
+   */
+  TARGET addHeaders(Map<String, String> headers);
+
+  /**
+   * 设置请求类型
+   *
+   * @param requestEnum {@link RequestEnum}
+   */
+  TARGET setRequestMode(RequestEnum requestEnum);
+
+  /**
+   * 开始下载
+   */
+  void start();
+
+  /**
+   * 停止下载
+   */
+  void stop();
+
+  /**
+   * 恢复下载
+   */
+  void resume();
+
+  /**
+   * 取消下载
+   */
+  void cancel();
+
+}

Aria/src/main/java/com/arialyy/aria/core/inf/ITask.java

@@ -18,25 +18,17 @@ package com.arialyy.aria.core.inf;
 /**
  * Created by lyy on 2017/2/13.
  */
-
 public interface ITask<ENTITY extends AbsEntity> {
 
   /**
-   * 暂停任务，并让任务处于等待状态
+   * 获取下载状态
    */
-  public void stopAndWait();
+  int getState();
 
   /**
-   * 设置任务为最高优先级任务，在下载队列中，有且只有一个最高优先级任务
+   * 获取扩展字段
    */
-  public void setHighestPriority(boolean isHighestPriority);
-
-  /**
-   * 该任务是否是最高优先级任务
-   *
-   * @return {@code true} 任务为最高优先级任务
-   */
-  public boolean isHighestPriorityTask();
+  String getExtendField();
 
   /**
    * 唯一标识符，DownloadTask 为下载地址，UploadTask 为文件路径
@@ -44,14 +36,14 @@ public interface ITask<ENTITY extends AbsEntity> {
   public String getKey();
 
   /**
-   * 是否真正执行
+   * 任务是否正在执行
    *
    * @return true，正在执行；
    */
   public boolean isRunning();
 
   /**
-   * 获取工具实体
+   * 获取信息实体
    */
   public ENTITY getEntity();
 
@@ -100,5 +92,4 @@ public interface ITask<ENTITY extends AbsEntity> {
 
   public void setTargetName(String targetName);
 
-  public void removeRecord();
 }

Aria/src/main/java/com/arialyy/aria/core/queue/AbsTaskQueue.java

@@ -17,24 +17,51 @@
 package com.arialyy.aria.core.queue;
 
 import android.util.Log;
-import com.arialyy.aria.core.Aria;
 import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.download.DownloadEntity;
+import com.arialyy.aria.core.download.DownloadTask;
 import com.arialyy.aria.core.inf.AbsEntity;
-import com.arialyy.aria.core.inf.ITask;
+import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
-import com.arialyy.aria.core.queue.pool.CachePool;
-import com.arialyy.aria.core.queue.pool.ExecutePool;
+import com.arialyy.aria.core.inf.IEntity;
+import com.arialyy.aria.core.queue.pool.BaseCachePool;
+import com.arialyy.aria.core.queue.pool.BaseExecutePool;
 import java.util.Set;
 
 /**
  * Created by lyy on 2017/2/23.
  * 任务队列
  */
-abstract class AbsTaskQueue<TASK extends ITask, TASK_ENTITY extends AbsTaskEntity, ENTITY extends AbsEntity>
+abstract class AbsTaskQueue<TASK extends AbsTask, TASK_ENTITY extends AbsTaskEntity, ENTITY extends AbsEntity>
     implements ITaskQueue<TASK, TASK_ENTITY, ENTITY> {
   private final String TAG = "AbsTaskQueue";
-  CachePool<TASK> mCachePool = new CachePool<>();
-  ExecutePool<TASK> mExecutePool;
+  BaseCachePool<TASK> mCachePool;
+  BaseExecutePool<TASK> mExecutePool;
+
+  AbsTaskQueue() {
+    mCachePool = setCachePool();
+    mExecutePool = setExecutePool();
+  }
+
+  abstract BaseCachePool<TASK> setCachePool();
+
+  abstract BaseExecutePool<TASK> setExecutePool();
+
+  @Override public boolean taskIsRunning(String key) {
+    return mExecutePool.getTask(key) != null;
+  }
+
+  @Override public void removeAllTask() {
+    Set<String> exeKeys = mExecutePool.getAllTask().keySet();
+    for (String key : exeKeys) {
+      TASK task = mExecutePool.getAllTask().get(key);
+      if (task != null) task.cancel();
+    }
+    Set<String> cacheKeys = mCachePool.getAllTask().keySet();
+    for (String key : cacheKeys) {
+      mExecutePool.removeTask(key);
+    }
+  }
 
   /**
    * 停止所有任务
@@ -55,17 +82,27 @@ abstract class AbsTaskQueue<TASK extends ITask, TASK_ENTITY extends AbsTaskEntit
     return AriaManager.getInstance(AriaManager.APP).getDownloadConfig().getMaxTaskNum();
   }
 
+  /**
+   * 获取实体的索引
+   */
+  public abstract String getKey(ENTITY entity);
+
+  /**
+   * 获取配置文件配置的最大可执行任务数
+   */
+  public abstract int getConfigMaxNum();
+
   /**
    * 获取任务执行池
    */
-  public ExecutePool getExecutePool() {
+  public BaseExecutePool getExecutePool() {
     return mExecutePool;
   }
 
   /**
    * 获取缓存池
    */
-  public CachePool getCachePool() {
+  public BaseCachePool getCachePool() {
     return mCachePool;
   }
 
@@ -74,21 +111,44 @@ abstract class AbsTaskQueue<TASK extends ITask, TASK_ENTITY extends AbsTaskEntit
    *
    * @return 获取缓存的任务数
    */
-  @Override public int cachePoolSize() {
+  @Override public int getCurrentCachePoolNum() {
     return mCachePool.size();
   }
 
   /**
-   * 获取当前运行的任务数
+   * 获取执行池中的任务数量
    *
    * @return 当前正在执行的任务数
    */
-  @Override public int getExeTaskNum() {
+  @Override public int getCurrentExePoolNum() {
     return mExecutePool.size();
   }
 
-  @Override public void setTaskHighestPriority(TASK task) {
-
+  @Override public void setMaxTaskNum(int downloadNum) {
+    int oldMaxSize = getConfigMaxNum();
+    int diff = downloadNum - oldMaxSize;
+    if (oldMaxSize == downloadNum) {
+      Log.d(TAG, "设置的下载任务数和配置文件的下载任务数一直，跳过");
+      return;
+    }
+    //设置的任务数小于配置任务数
+    if (diff <= -1 && mExecutePool.size() >= oldMaxSize) {
+      for (int i = 0, len = Math.abs(diff); i < len; i++) {
+        TASK eTask = mExecutePool.pollTask();
+        if (eTask != null) {
+          stopTask(eTask);
+        }
+      }
+    }
+    mExecutePool.setMaxNum(downloadNum);
+    if (diff >= 1) {
+      for (int i = 0; i < diff; i++) {
+        TASK nextTask = getNextTask();
+        if (nextTask != null && nextTask.getState() == IEntity.STATE_WAIT) {
+          startTask(nextTask);
+        }
+      }
+    }
   }
 
   @Override public TASK getTask(String url) {
@@ -109,12 +169,22 @@ abstract class AbsTaskQueue<TASK extends ITask, TASK_ENTITY extends AbsTaskEntit
 
   @Override public void stopTask(TASK task) {
     if (!task.isRunning()) Log.w(TAG, "停止任务失败，【任务已经停止】");
-    task.setHighestPriority(false);
     if (mExecutePool.removeTask(task)) {
       task.stop();
     } else {
       task.stop();
-      Log.w(TAG, "停止任务失败，【任务已经停止】");
+      Log.w(TAG, "删除任务失败，【执行队列中没有该任务】");
+    }
+  }
+
+  @Override public void removeTask(ENTITY entity) {
+    TASK task = mExecutePool.getTask(getKey(entity));
+    if (task != null) {
+      Log.d(TAG, "从执行池删除任务，删除" + (mExecutePool.removeTask(task) ? "成功" : "失败"));
+    }
+    task = mCachePool.getTask(getKey(entity));
+    if (task != null) {
+      Log.d(TAG, "从缓存池删除任务，删除" + (mCachePool.removeTask(task) ? "成功" : "失败"));
     }
   }
 
@@ -130,7 +200,11 @@ abstract class AbsTaskQueue<TASK extends ITask, TASK_ENTITY extends AbsTaskEntit
     }
   }
 
-  @Override public void cancelTask(TASK task) {
+  @Override public TASK getTask(ENTITY entity) {
+    return getTask(getKey(entity));
+  }
+
+  @Override public void removeTask(TASK task) {
     task.cancel();
   }
 

Aria/src/main/java/com/arialyy/aria/core/queue/DownloadGroupTaskQueue.java

@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.arialyy.aria.core.queue;
+
+import android.text.TextUtils;
+import android.util.Log;
+import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.download.DownloadGroupEntity;
+import com.arialyy.aria.core.download.DownloadGroupTask;
+import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
+import com.arialyy.aria.core.queue.pool.BaseCachePool;
+import com.arialyy.aria.core.queue.pool.BaseExecutePool;
+import com.arialyy.aria.core.queue.pool.DownloadSharePool;
+import com.arialyy.aria.core.scheduler.DQueueMapping;
+import com.arialyy.aria.core.scheduler.DownloadGroupSchedulers;
+
+/**
+ * Created by AriaL on 2017/6/29.
+ * 任务组下载队列
+ */
+public class DownloadGroupTaskQueue
+    extends AbsTaskQueue<DownloadGroupTask, DownloadGroupTaskEntity, DownloadGroupEntity> {
+  private static volatile DownloadGroupTaskQueue INSTANCE = null;
+
+  private final String TAG = "DownloadGroupTaskQueue";
+
+  public static DownloadGroupTaskQueue getInstance() {
+    if (INSTANCE == null) {
+      synchronized (AriaManager.LOCK) {
+        INSTANCE = new DownloadGroupTaskQueue();
+      }
+    }
+    return INSTANCE;
+  }
+
+  private DownloadGroupTaskQueue() {
+  }
+
+  @Override BaseCachePool<DownloadGroupTask> setCachePool() {
+    return DownloadSharePool.getInstance().cachePool;
+  }
+
+  @Override BaseExecutePool<DownloadGroupTask> setExecutePool() {
+    return DownloadSharePool.getInstance().executePool;
+  }
+
+  @Override public DownloadGroupTask createTask(String targetName, DownloadGroupTaskEntity entity) {
+    DownloadGroupTask task = null;
+    if (!TextUtils.isEmpty(targetName)) {
+      task = (DownloadGroupTask) TaskFactory.getInstance()
+          .createTask(targetName, entity, DownloadGroupSchedulers.getInstance());
+      entity.key = entity.getEntity().getGroupName();
+      mCachePool.putTask(task);
+
+      DQueueMapping.getInstance().addType(task.getKey(), DQueueMapping.QUEUE_TYPE_DOWNLOAD_GROUP);
+    } else {
+      Log.e(TAG, "target name 为 null！！");
+    }
+    return task;
+  }
+
+  @Override public String getKey(DownloadGroupEntity entity) {
+    return entity.getGroupName();
+  }
+
+  @Override public int getConfigMaxNum() {
+    return AriaManager.getInstance(AriaManager.APP).getDownloadConfig().oldMaxTaskNum;
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/queue/DownloadTaskQueue.java

@@ -22,8 +22,10 @@ import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadTask;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
-import com.arialyy.aria.core.inf.IEntity;
-import com.arialyy.aria.core.queue.pool.ExecutePool;
+import com.arialyy.aria.core.queue.pool.BaseCachePool;
+import com.arialyy.aria.core.queue.pool.BaseExecutePool;
+import com.arialyy.aria.core.queue.pool.DownloadSharePool;
+import com.arialyy.aria.core.scheduler.DQueueMapping;
 import com.arialyy.aria.core.scheduler.DownloadSchedulers;
 import java.util.LinkedHashSet;
 import java.util.Map;
@@ -48,10 +50,28 @@ public class DownloadTaskQueue
   }
 
   private DownloadTaskQueue() {
-    mExecutePool = new ExecutePool<>(true);
   }
 
-  @Override public void setTaskHighestPriority(DownloadTask task) {
+  @Override BaseCachePool<DownloadTask> setCachePool() {
+    return DownloadSharePool.getInstance().cachePool;
+  }
+
+  @Override BaseExecutePool<DownloadTask> setExecutePool() {
+    return DownloadSharePool.getInstance().executePool;
+  }
+
+  @Override public String getKey(DownloadEntity entity) {
+    return entity.getDownloadUrl();
+  }
+
+  @Override public int getConfigMaxNum() {
+    return AriaManager.getInstance(AriaManager.APP).getDownloadConfig().oldMaxTaskNum;
+  }
+
+  /**
+   * 设置任务为最高优先级任务
+   */
+  public void setTaskHighestPriority(DownloadTask task) {
     task.setHighestPriority(true);
     Map<String, DownloadTask> exeTasks = mExecutePool.getAllTask();
     if (exeTasks != null && !exeTasks.isEmpty()) {
@@ -91,66 +111,36 @@ public class DownloadTaskQueue
     }
   }
 
-  public void setMaxSpeed(double maxSpeed){
+  /**
+   * 最大下载速度
+   */
+  public void setMaxSpeed(double maxSpeed) {
     Map<String, DownloadTask> tasks = mExecutePool.getAllTask();
     Set<String> keys = tasks.keySet();
-    for (String key : keys){
+    for (String key : keys) {
       DownloadTask task = tasks.get(key);
       task.setMaxSpeed(maxSpeed);
     }
   }
 
-  @Override public void setMaxTaskNum(int downloadNum) {
-    int oldMaxSize = AriaManager.getInstance(AriaManager.APP).getDownloadConfig().oldMaxTaskNum;
-    int diff = downloadNum - oldMaxSize;
-    if (oldMaxSize == downloadNum) {
-      Log.d(TAG, "设置的下载任务数和配置文件的下载任务数一直，跳过");
-      return;
-    }
-    //设置的任务数小于配置任务数
-    if (diff <= -1 && mExecutePool.size() >= oldMaxSize) {
-      for (int i = 0, len = Math.abs(diff); i < len; i++) {
-        DownloadTask eTask = mExecutePool.pollTask();
-        if (eTask != null) {
-          stopTask(eTask);
-        }
-      }
-    }
-    mExecutePool.setDownloadNum(downloadNum);
-    if (diff >= 1) {
-      for (int i = 0; i < diff; i++) {
-        DownloadTask nextTask = getNextTask();
-        if (nextTask != null && nextTask.getDownloadEntity().getState() == IEntity.STATE_WAIT) {
-          startTask(nextTask);
-        }
-      }
-    }
-  }
-
   @Override public DownloadTask createTask(String target, DownloadTaskEntity entity) {
     DownloadTask task = null;
     if (!TextUtils.isEmpty(target)) {
       task = (DownloadTask) TaskFactory.getInstance()
           .createTask(target, entity, DownloadSchedulers.getInstance());
+      entity.key = entity.getEntity().getDownloadPath();
       mCachePool.putTask(task);
+
+      DQueueMapping.getInstance().addType(task.getKey(), DQueueMapping.QUEUE_TYPE_DOWNLOAD);
     } else {
-      Log.e(TAG, "target name 为 null是！！");
+      Log.e(TAG, "target name 为 null！！");
     }
+
     return task;
   }
 
-  @Override public DownloadTask getTask(DownloadEntity entity) {
-    return getTask(entity.getDownloadUrl());
-  }
-
-  @Override public void removeTask(DownloadEntity entity) {
-    DownloadTask task = mExecutePool.getTask(entity.getDownloadUrl());
-    if (task != null) {
-      Log.d(TAG, "从执行池删除任务，删除" + (mExecutePool.removeTask(task) ? "成功" : "失败"));
-    }
-    task = mCachePool.getTask(entity.getDownloadUrl());
-    if (task != null) {
-      Log.d(TAG, "从缓存池删除任务，删除" + (mCachePool.removeTask(task) ? "成功" : "失败"));
-    }
+  @Override public void stopTask(DownloadTask task) {
+    task.setHighestPriority(false);
+    super.stopTask(task);
   }
 }

Aria/src/main/java/com/arialyy/aria/core/queue/ITaskQueue.java

@@ -19,8 +19,10 @@ package com.arialyy.aria.core.queue;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.download.DownloadTask;
+import com.arialyy.aria.core.inf.AbsEntity;
+import com.arialyy.aria.core.inf.AbsNormalTask;
+import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.IEntity;
-import com.arialyy.aria.core.inf.ITask;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.upload.UploadEntity;
 import com.arialyy.aria.core.upload.UploadTask;
@@ -30,7 +32,15 @@ import com.arialyy.aria.core.upload.UploadTaskEntity;
  * Created by lyy on 2016/8/16.
  * 任务功能接口
  */
-public interface ITaskQueue<TASK extends ITask, TASK_ENTITY extends AbsTaskEntity, ENTITY extends IEntity> {
+public interface ITaskQueue<TASK extends AbsTask, TASK_ENTITY extends AbsTaskEntity, ENTITY extends AbsEntity> {
+
+  /**
+   * 通过key判断任务是否正在执行
+   *
+   * @param key 下载链接，或上传文件的路径
+   * @return {@code true} 任务正在运行
+   */
+  boolean taskIsRunning(String key);
 
   /**
    * 停止所有任务
@@ -38,11 +48,9 @@ public interface ITaskQueue<TASK extends ITask, TASK_ENTITY extends AbsTaskEntit
   void stopAllTask();
 
   /**
-   * 设置任务为最高优先级任务
-   *
-   * @param task {@link DownloadTask}、{@link UploadTask}
+   * 删除所有任务
    */
-  void setTaskHighestPriority(TASK task);
+  void removeAllTask();
 
   /**
    * 开始任务
@@ -59,11 +67,18 @@ public interface ITaskQueue<TASK extends ITask, TASK_ENTITY extends AbsTaskEntit
   void stopTask(TASK task);
 
   /**
-   * 取消任务
+   * 通过任务任务实体删除任务
    *
    * @param task {@link DownloadTask}、{@link UploadTask}
    */
-  void cancelTask(TASK task);
+  void removeTask(TASK task);
+
+  /**
+   * 通过工作实体删除任务
+   *
+   * @param entity 工作实体{@link DownloadEntity}、{@link UploadEntity}
+   */
+  void removeTask(ENTITY entity);
 
   /**
    * 重试下载
@@ -73,24 +88,24 @@ public interface ITaskQueue<TASK extends ITask, TASK_ENTITY extends AbsTaskEntit
   void reTryStart(TASK task);
 
   /**
-   * 获取正在执行的任务数量
+   * 获取当前执行池中的任务数量
    */
-  int getExeTaskNum();
+  int getCurrentExePoolNum();
 
   /**
-   * 任务缓存池大小
+   * 获取当前任务缓存池中的任务数量
    */
-  int cachePoolSize();
+  int getCurrentCachePoolNum();
 
   /**
-   * 设置最大任务数
+   * 设置执行池可执行的最大任务数
    *
    * @param newMaxNum 最大任务数
    */
   void setMaxTaskNum(int newMaxNum);
 
   /**
-   * 获取可执行队列的大小
+   * 获取执行池可执行的最大任务数
    */
   int getMaxTaskNum();
 
@@ -119,13 +134,6 @@ public interface ITaskQueue<TASK extends ITask, TASK_ENTITY extends AbsTaskEntit
    */
   TASK getTask(String url);
 
-  /**
-   * 通过工作实体删除任务
-   *
-   * @param entity 工作实体{@link DownloadEntity}、{@link UploadEntity}
-   */
-  void removeTask(ENTITY entity);
-
   /**
    * 获取缓存池的下一个任务
    *

Aria/src/main/java/com/arialyy/aria/core/queue/TaskFactory.java

@@ -17,12 +17,15 @@
 package com.arialyy.aria.core.queue;
 
 import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.download.DownloadGroupTask;
+import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
 import com.arialyy.aria.core.download.DownloadTask;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.inf.ITask;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.scheduler.DownloadSchedulers;
 import com.arialyy.aria.core.scheduler.ISchedulers;
+import com.arialyy.aria.core.scheduler.UploadSchedulers;
 import com.arialyy.aria.core.upload.UploadTask;
 import com.arialyy.aria.core.upload.UploadTaskEntity;
 
@@ -30,8 +33,7 @@ import com.arialyy.aria.core.upload.UploadTaskEntity;
  * Created by lyy on 2016/8/18.
  * 任务工厂
  */
-public class TaskFactory {
-  private static final String TAG = "TaskFactory";
+class TaskFactory {
 
   private static volatile TaskFactory INSTANCE = null;
 
@@ -53,20 +55,36 @@ public class TaskFactory {
    *
    * @param entity 下载实体
    * @param schedulers 对应的任务调度器
-   * @param <ENTITY> {@link DownloadTaskEntity}、{@link UploadTaskEntity}
-   * @param <SCHEDULER> {@link DownloadSchedulers}
-   * @return {@link DownloadTask}、{@link UploadTask}
+   * @param <TASK_ENTITY> {@link DownloadTaskEntity}、{@link UploadTaskEntity}、{@link
+   * DownloadGroupTaskEntity}
+   * @param <SCHEDULER> {@link DownloadSchedulers}、{@link UploadSchedulers}
+   * @return {@link DownloadTask}、{@link UploadTask}、{@link DownloadGroupTask}
    */
-  <ENTITY extends AbsTaskEntity, SCHEDULER extends ISchedulers> ITask createTask(String targetName,
-      ENTITY entity, SCHEDULER schedulers) {
+  <TASK_ENTITY extends AbsTaskEntity, SCHEDULER extends ISchedulers> ITask createTask(
+      String targetName, TASK_ENTITY entity, SCHEDULER schedulers) {
     if (entity instanceof DownloadTaskEntity) {
       return createDownloadTask(targetName, (DownloadTaskEntity) entity, schedulers);
     } else if (entity instanceof UploadTaskEntity) {
       return createUploadTask(targetName, (UploadTaskEntity) entity, schedulers);
+    } else if (entity instanceof DownloadGroupTaskEntity) {
+      return createDownloadGroupTask(targetName, (DownloadGroupTaskEntity) entity, schedulers);
     }
     return null;
   }
 
+  /**
+   * 创建下载任务主任务
+   *
+   * @param entity 下载任务实体{@link DownloadGroupTask}
+   * @param schedulers {@link ISchedulers}
+   */
+  private DownloadGroupTask createDownloadGroupTask(String targetName,
+      DownloadGroupTaskEntity entity, ISchedulers schedulers) {
+    DownloadGroupTask.Builder builder = new DownloadGroupTask.Builder(targetName, entity);
+    builder.setOutHandler(schedulers);
+    return builder.build();
+  }
+
   /**
    * @param entity 上传任务实体{@link UploadTaskEntity}
    * @param schedulers {@link ISchedulers}

Aria/src/main/java/com/arialyy/aria/core/queue/UploadTaskQueue.java

@@ -19,7 +19,9 @@ package com.arialyy.aria.core.queue;
 import android.text.TextUtils;
 import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
-import com.arialyy.aria.core.queue.pool.ExecutePool;
+import com.arialyy.aria.core.queue.pool.BaseCachePool;
+import com.arialyy.aria.core.queue.pool.BaseExecutePool;
+import com.arialyy.aria.core.queue.pool.UploadSharePool;
 import com.arialyy.aria.core.scheduler.UploadSchedulers;
 import com.arialyy.aria.core.upload.UploadEntity;
 import com.arialyy.aria.core.upload.UploadTask;
@@ -43,11 +45,22 @@ public class UploadTaskQueue extends AbsTaskQueue<UploadTask, UploadTaskEntity,
   }
 
   private UploadTaskQueue() {
-    mExecutePool = new ExecutePool<>(false);
   }
 
-  @Override public void setMaxTaskNum(int newMaxNum) {
+  @Override BaseCachePool<UploadTask> setCachePool() {
+    return UploadSharePool.getInstance().cachePool;
+  }
 
+  @Override BaseExecutePool<UploadTask> setExecutePool() {
+    return UploadSharePool.getInstance().executePool;
+  }
+
+  @Override public String getKey(UploadEntity entity) {
+    return entity.getFilePath();
+  }
+
+  @Override public int getConfigMaxNum() {
+    return AriaManager.getInstance(AriaManager.APP).getUploadConfig().oldMaxTaskNum;
   }
 
   @Override public UploadTask createTask(String targetName, UploadTaskEntity entity) {
@@ -55,25 +68,11 @@ public class UploadTaskQueue extends AbsTaskQueue<UploadTask, UploadTaskEntity,
     if (!TextUtils.isEmpty(targetName)) {
       task = (UploadTask) TaskFactory.getInstance()
           .createTask(targetName, entity, UploadSchedulers.getInstance());
+      entity.key = entity.getEntity().getFilePath();
       mCachePool.putTask(task);
     } else {
       Log.e(TAG, "target name 为 null是！！");
     }
     return task;
   }
-
-  @Override public UploadTask getTask(UploadEntity entity) {
-    return getTask(entity.getFilePath());
-  }
-
-  @Override public void removeTask(UploadEntity entity) {
-    UploadTask task = mExecutePool.getTask(entity.getFilePath());
-    if (task != null) {
-      Log.d(TAG, "从执行池删除任务，删除" + (mExecutePool.removeTask(task) ? "成功" : "失败"));
-    }
-    task = mCachePool.getTask(entity.getFilePath());
-    if (task != null) {
-      Log.d(TAG, "从缓存池删除任务，删除" + (mCachePool.removeTask(task) ? "成功" : "失败"));
-    }
-  }
 }

Aria/src/main/java/com/arialyy/aria/core/queue/pool/BaseCachePool.java

@@ -19,6 +19,7 @@ package com.arialyy.aria.core.queue.pool;
 import android.text.TextUtils;
 import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.ITask;
 import com.arialyy.aria.util.CommonUtil;
 import java.util.HashMap;
@@ -32,20 +33,20 @@ import java.util.concurrent.TimeUnit;
  * Created by lyy on 2016/8/14.
  * 任务缓存池，所有下载任务最先缓存在这个池中
  */
-public class CachePool<TASK extends ITask> implements IPool<TASK> {
-  private static final String TAG = "CachePool";
+public class BaseCachePool<TASK extends AbsTask> implements IPool<TASK> {
+  private static final String TAG = "BaseCachePool";
   private static final int MAX_NUM = Integer.MAX_VALUE;  //最大下载任务数
   private static final long TIME_OUT = 1000;
   private Map<String, TASK> mCacheMap;
   private LinkedBlockingQueue<TASK> mCacheQueue;
 
-  public CachePool() {
+  public BaseCachePool() {
     mCacheQueue = new LinkedBlockingQueue<>(MAX_NUM);
     mCacheMap = new HashMap<>();
   }
 
   /**
-   * 获取所有正在执行的任务
+   * 获取被缓存的任务
    */
   public Map<String, TASK> getAllTask() {
     return mCacheMap;
@@ -95,7 +96,7 @@ public class CachePool<TASK extends ITask> implements IPool<TASK> {
   @Override public TASK pollTask() {
     synchronized (AriaManager.LOCK) {
       try {
-        TASK task = null;
+        TASK task;
         task = mCacheQueue.poll(TIME_OUT, TimeUnit.MICROSECONDS);
         if (task != null) {
           String url = task.getKey();

Aria/src/main/java/com/arialyy/aria/core/queue/pool/BaseExecutePool.java

@@ -19,11 +19,12 @@ package com.arialyy.aria.core.queue.pool;
 import android.text.TextUtils;
 import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.ITask;
+import com.arialyy.aria.core.scheduler.DQueueMapping;
 import com.arialyy.aria.util.CommonUtil;
 import java.util.HashMap;
 import java.util.Map;
-import java.util.Set;
 import java.util.concurrent.ArrayBlockingQueue;
 import java.util.concurrent.TimeUnit;
 
@@ -31,23 +32,28 @@ import java.util.concurrent.TimeUnit;
  * Created by lyy on 2016/8/15.
  * 任务执行池，所有当前下载任务都该任务池中，默认下载大小为2
  */
-public class ExecutePool<TASK extends ITask> implements IPool<TASK> {
-  private static final String TAG = "ExecutePool";
-  private static final long TIME_OUT = 1000;
-  private ArrayBlockingQueue<TASK> mExecuteQueue;
-  private Map<String, TASK> mExecuteMap;
-  private int mSize;
+public class BaseExecutePool<TASK extends AbsTask> implements IPool<TASK> {
+  private final String TAG = "BaseExecutePool";
+  final long TIME_OUT = 1000;
+  ArrayBlockingQueue<TASK> mExecuteQueue;
+  Map<String, TASK> mExecuteMap;
+  int mSize;
 
-  public ExecutePool(boolean isDownload) {
-    if (isDownload) {
-      mSize = AriaManager.getInstance(AriaManager.APP).getDownloadConfig().getMaxTaskNum();
-    } else {
-      mSize = AriaManager.getInstance(AriaManager.APP).getUploadConfig().getMaxTaskNum();
-    }
+  BaseExecutePool() {
+    mSize = getMaxSize();
     mExecuteQueue = new ArrayBlockingQueue<>(mSize);
     mExecuteMap = new HashMap<>();
   }
 
+  /**
+   * 获取最大任务数配置
+   *
+   * @return {@link AriaManager#getDownloadConfig()} {@link AriaManager#getUploadConfig()}，如果不设置，默认返回2
+   */
+  protected int getMaxSize() {
+    return 2;
+  }
+
   /**
    * 获取所有正在执行的任务
    */
@@ -67,10 +73,6 @@ public class ExecutePool<TASK extends ITask> implements IPool<TASK> {
         return false;
       } else {
         if (mExecuteQueue.size() >= mSize) {
-          Set<String> keys = mExecuteMap.keySet();
-          for (String key : keys) {
-            if (mExecuteMap.get(key).isHighestPriorityTask()) return false;
-          }
           if (pollFirstTask()) {
             return putNewTask(task);
           }
@@ -83,19 +85,19 @@ public class ExecutePool<TASK extends ITask> implements IPool<TASK> {
   }
 
   /**
-   * 设置执行任务数
+   * 设置执行队列最大任务数
    *
-   * @param downloadNum 下载数
+   * @param maxNum 下载数
    */
-  public void setDownloadNum(int downloadNum) {
+  public void setMaxNum(int maxNum) {
     try {
-      ArrayBlockingQueue<TASK> temp = new ArrayBlockingQueue<>(downloadNum);
+      ArrayBlockingQueue<TASK> temp = new ArrayBlockingQueue<>(maxNum);
       TASK task;
       while ((task = mExecuteQueue.poll(TIME_OUT, TimeUnit.MICROSECONDS)) != null) {
         temp.offer(task);
       }
       mExecuteQueue = temp;
-      mSize = downloadNum;
+      mSize = maxNum;
     } catch (InterruptedException e) {
       e.printStackTrace();
     }
@@ -104,9 +106,9 @@ public class ExecutePool<TASK extends ITask> implements IPool<TASK> {
   /**
    * 添加新任务
    *
-   * @param newTask 新下载任务
+   * @param newTask 新任务
    */
-  private boolean putNewTask(TASK newTask) {
+  boolean putNewTask(TASK newTask) {
     String url = newTask.getKey();
     boolean s = mExecuteQueue.offer(newTask);
     Log.w(TAG, "任务添加" + (s ? "成功" : "失败，【" + url + "】"));
@@ -119,16 +121,13 @@ public class ExecutePool<TASK extends ITask> implements IPool<TASK> {
   /**
    * 队列满时，将移除下载队列中的第一个任务
    */
-  private boolean pollFirstTask() {
+  boolean pollFirstTask() {
     try {
       TASK oldTask = mExecuteQueue.poll(TIME_OUT, TimeUnit.MICROSECONDS);
       if (oldTask == null) {
         Log.e(TAG, "移除任务失败");
         return false;
       }
-      if (oldTask.isHighestPriorityTask()) {
-        return false;
-      }
       oldTask.stop();
       String key = CommonUtil.keyToHashKey(oldTask.getKey());
       mExecuteMap.remove(key);
@@ -142,7 +141,7 @@ public class ExecutePool<TASK extends ITask> implements IPool<TASK> {
   @Override public TASK pollTask() {
     synchronized (AriaManager.LOCK) {
       try {
-        TASK task = null;
+        TASK task;
         task = mExecuteQueue.poll(TIME_OUT, TimeUnit.MICROSECONDS);
         if (task != null) {
           String url = task.getKey();
@@ -173,22 +172,22 @@ public class ExecutePool<TASK extends ITask> implements IPool<TASK> {
         Log.e(TAG, "任务不能为空");
         return false;
       } else {
-        String key = CommonUtil.keyToHashKey(task.getKey());
-        mExecuteMap.remove(key);
-        return mExecuteQueue.remove(task);
+        return removeTask(task.getKey());
       }
     }
   }
 
-  @Override public boolean removeTask(String downloadUrl) {
+  @Override public boolean removeTask(String key) {
     synchronized (AriaManager.LOCK) {
-      if (TextUtils.isEmpty(downloadUrl)) {
+      if (TextUtils.isEmpty(key)) {
         Log.e(TAG, "请传入有效的任务key");
         return false;
       }
-      String key = CommonUtil.keyToHashKey(downloadUrl);
-      TASK task = mExecuteMap.get(key);
-      mExecuteMap.remove(key);
+      String convertKey = CommonUtil.keyToHashKey(key);
+      TASK task = mExecuteMap.get(convertKey);
+      mExecuteMap.remove(convertKey);
+
+      DQueueMapping.getInstance().removeType(key);
       return mExecuteQueue.remove(task);
     }
   }

Aria/src/main/java/com/arialyy/aria/core/queue/pool/DownloadExecutePool.java

@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.queue.pool;
+
+import android.util.Log;
+import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.inf.AbsTask;
+import com.arialyy.aria.util.CommonUtil;
+import java.util.Set;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Created by AriaL on 2017/6/29.
+ * 单个下载任务的执行池
+ */
+public class DownloadExecutePool<TASK extends AbsTask> extends BaseExecutePool<TASK> {
+  private final String TAG = "DownloadExecutePool";
+
+  @Override protected int getMaxSize() {
+    return AriaManager.getInstance(AriaManager.APP).getDownloadConfig().getMaxTaskNum();
+  }
+
+  @Override public boolean putTask(TASK task) {
+    synchronized (AriaManager.LOCK) {
+      if (task == null) {
+        Log.e(TAG, "任务不能为空！！");
+        return false;
+      }
+      String url = task.getKey();
+      if (mExecuteQueue.contains(task)) {
+        Log.e(TAG, "队列中已经包含了该任务，任务key【" + url + "】");
+        return false;
+      } else {
+        if (mExecuteQueue.size() >= mSize) {
+          Set<String> keys = mExecuteMap.keySet();
+          for (String key : keys) {
+            if (mExecuteMap.get(key).isHighestPriorityTask()) return false;
+          }
+          if (pollFirstTask()) {
+            return putNewTask(task);
+          }
+        } else {
+          return putNewTask(task);
+        }
+      }
+    }
+    return false;
+  }
+
+  @Override boolean pollFirstTask() {
+    try {
+      TASK oldTask = mExecuteQueue.poll(TIME_OUT, TimeUnit.MICROSECONDS);
+      if (oldTask == null) {
+        Log.e(TAG, "移除任务失败");
+        return false;
+      }
+      if (oldTask.isHighestPriorityTask()) {
+        return false;
+      }
+      oldTask.stop();
+      String key = CommonUtil.keyToHashKey(oldTask.getKey());
+      mExecuteMap.remove(key);
+    } catch (InterruptedException e) {
+      e.printStackTrace();
+      return false;
+    }
+    return true;
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/queue/pool/DownloadSharePool.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.queue.pool;
+
+import com.arialyy.aria.core.AriaManager;
+
+/**
+ * Created by Aria.Lao on 2017/7/17.
+ * 下载任务池，该池子为简单任务和任务组共用
+ */
+public class DownloadSharePool {
+  private static volatile DownloadSharePool INSTANCE;
+
+  public DownloadExecutePool executePool;
+  public BaseCachePool cachePool;
+
+  private DownloadSharePool() {
+    executePool = new DownloadExecutePool<>();
+    cachePool = new BaseCachePool<>();
+  }
+
+  public static DownloadSharePool getInstance() {
+    if (INSTANCE == null) {
+      synchronized (AriaManager.LOCK) {
+        INSTANCE = new DownloadSharePool();
+      }
+    }
+    return INSTANCE;
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/queue/pool/IPool.java

@@ -16,24 +16,24 @@
 
 package com.arialyy.aria.core.queue.pool;
 
-import com.arialyy.aria.core.inf.ITask;
+import com.arialyy.aria.core.inf.AbsTask;
 
 /**
  * Created by lyy on 2016/8/14.
  * 任务池
  */
-public interface IPool<T extends ITask> {
+interface IPool<T extends AbsTask> {
   /**
    * 将下载任务添加到任务池中
    */
-  public boolean putTask(T task);
+  boolean putTask(T task);
 
   /**
    * 按照队列原则取出下载任务
    *
    * @return 返回null或者下载任务
    */
-  public T pollTask();
+  T pollTask();
 
   /**
    * 通过下载链接获取下载任务，当任务不为空时，队列将删除该下载任务
@@ -41,7 +41,7 @@ public interface IPool<T extends ITask> {
    * @param downloadUrl 下载链接
    * @return 返回null或者下载任务
    */
-  public T getTask(String downloadUrl);
+  T getTask(String downloadUrl);
 
   /**
    * 删除任务池中的下载任务
@@ -49,20 +49,20 @@ public interface IPool<T extends ITask> {
    * @param task 下载任务
    * @return true:移除成功
    */
-  public boolean removeTask(T task);
+  boolean removeTask(T task);
 
   /**
-   * 通过下载链接移除下载任务
+   * 通过key除下载任务
    *
-   * @param downloadUrl 下载链接
+   * @param key 下载链接
    * @return true:移除成功
    */
-  public boolean removeTask(String downloadUrl);
+  boolean removeTask(String key);
 
   /**
    * 池子大小
    *
-   * @return 返回缓存池或者当前任务池大小
+   * @return 返回缓存池或者执行池大小
    */
-  public int size();
+  int size();
 }

Aria/src/main/java/com/arialyy/aria/core/queue/pool/UploadExecutePool.java

@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.queue.pool;
+
+import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.inf.AbsTask;
+
+/**
+ * Created by Aria.Lao on 2017/7/17.
+ */
+public class UploadExecutePool<TASK extends AbsTask> extends BaseExecutePool<TASK> {
+  @Override protected int getMaxSize() {
+    return AriaManager.getInstance(AriaManager.APP).getUploadConfig().getMaxTaskNum();
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/queue/pool/UploadSharePool.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.queue.pool;
+
+import com.arialyy.aria.core.AriaManager;
+
+/**
+ * Created by Aria.Lao on 2017/7/17.
+ * 下载任务池，该池子为简单任务和任务组共用
+ */
+public class UploadSharePool {
+  private static volatile UploadSharePool INSTANCE;
+
+  public UploadExecutePool executePool;
+  public BaseCachePool cachePool;
+
+  private UploadSharePool() {
+    executePool = new UploadExecutePool();
+    cachePool = new BaseCachePool<>();
+  }
+
+  public static UploadSharePool getInstance() {
+    if (INSTANCE == null) {
+      synchronized (AriaManager.LOCK) {
+        INSTANCE = new UploadSharePool();
+      }
+    }
+    return INSTANCE;
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/scheduler/AbsSchedulers.java

@@ -21,9 +21,9 @@ import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.download.DownloadTask;
 import com.arialyy.aria.core.inf.AbsEntity;
+import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.inf.IEntity;
-import com.arialyy.aria.core.inf.ITask;
 import com.arialyy.aria.core.queue.ITaskQueue;
 import com.arialyy.aria.core.upload.UploadTask;
 import java.util.Iterator;
@@ -33,28 +33,32 @@ import java.util.concurrent.ConcurrentHashMap;
 
 /**
  * Created by lyy on 2017/6/4.
+ * 事件调度器，用于处理任务状态的调度
  */
-public abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, ENTITY extends AbsEntity, TASK extends ITask<ENTITY>, QUEUE extends ITaskQueue<TASK, TASK_ENTITY, ENTITY>>
+abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, ENTITY extends AbsEntity, TASK extends AbsTask<ENTITY>, QUEUE extends ITaskQueue<TASK, TASK_ENTITY, ENTITY>>
     implements ISchedulers<TASK> {
-  private static final String TAG = "AbsSchedulers";
+  private final String TAG = "AbsSchedulers";
 
-  /**
-   * 下载的动态生成的代理类后缀
-   */
-  String DOWNLOAD_PROXY_CLASS_SUFFIX = "$$DownloadListenerProxy";
-
-  /**
-   * 上传的动态生成的代理类后缀
-   */
-  String UPLOAD_PROXY_CLASS_SUFFIX = "$$UploadListenerProxy";
+  static final int DOWNLOAD = 0xa1;
+  static final int UPLOAD = 0xa2;
+  static final int DOWNLOAD_GROUP = 0xa3;
 
   protected QUEUE mQueue;
-  protected boolean isDownload = true;
 
   private Map<String, ISchedulerListener<TASK>> mSchedulerListeners = new ConcurrentHashMap<>();
 
   private Map<String, AbsSchedulerListener<TASK>> mObservers = new ConcurrentHashMap<>();
 
+  /**
+   * 设置调度器类型
+   */
+  abstract int getSchedulerType();
+
+  /**
+   * 设置代理类后缀名
+   */
+  abstract String getProxySuffix();
+
   /**
    * @param targetName 观察者，创建该监听器的对象类名
    * @param schedulerListener {@link ISchedulerListener}
@@ -109,18 +113,14 @@ public abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, ENTITY ex
   private AbsSchedulerListener<TASK> createListener(String targetName) {
     AbsSchedulerListener<TASK> listener = null;
     try {
-      Class clazz = Class.forName(
-          targetName + (isDownload ? DOWNLOAD_PROXY_CLASS_SUFFIX : UPLOAD_PROXY_CLASS_SUFFIX));
+      Class clazz = Class.forName(targetName + getProxySuffix());
       listener = (AbsSchedulerListener<TASK>) clazz.newInstance();
     } catch (ClassNotFoundException e) {
       Log.e(TAG, targetName + "，没有Aria的Download或Upload注解方法");
-      //e.printStackTrace();
     } catch (InstantiationException e) {
       Log.e(TAG, e.getMessage());
-      //e.printStackTrace();
     } catch (IllegalAccessException e) {
       Log.e(TAG, e.getMessage());
-      //e.printStackTrace();
     }
     return listener;
   }
@@ -131,7 +131,6 @@ public abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, ENTITY ex
       Log.e(TAG, "请传入下载任务");
       return true;
     }
-    callback(msg.what, task);
     ENTITY entity = task.getEntity();
     switch (msg.what) {
       case STOP:
@@ -140,7 +139,7 @@ public abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, ENTITY ex
         }
       case CANCEL:
         mQueue.removeTask(entity);
-        if (mQueue.getExeTaskNum() < AriaManager.getInstance(AriaManager.APP)
+        if (mQueue.getCurrentExePoolNum() < AriaManager.getInstance(AriaManager.APP)
             .getUploadConfig()
             .getMaxTaskNum()) {
           startNextTask();
@@ -154,6 +153,7 @@ public abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, ENTITY ex
         handleFailTask(task);
         break;
     }
+    callback(msg.what, task);
     return true;
   }
 
@@ -258,7 +258,7 @@ public abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, ENTITY ex
   /**
    * 启动下一个任务，条件：任务停止，取消下载，任务完成
    */
-  private void startNextTask() {
+  protected void startNextTask() {
     TASK newTask = mQueue.getNextTask();
     if (newTask == null) {
       Log.w(TAG, "没有下一任务");
@@ -268,4 +268,20 @@ public abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, ENTITY ex
       mQueue.startTask(newTask);
     }
   }
+
+  /**
+   * 是否有下一任务
+   *
+   * @return {@code true} 有，{@code false} 无
+   */
+  boolean hasNextTask() {
+    return mQueue.getCurrentCachePoolNum() > 0;
+  }
+
+  /**
+   * 获取正在执行的队列数
+   */
+  int getExeTaskNum() {
+    return mQueue.getCurrentExePoolNum();
+  }
 }

Aria/src/main/java/com/arialyy/aria/core/scheduler/DQueueMapping.java

@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.scheduler;
+
+import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.queue.DownloadGroupTaskQueue;
+import com.arialyy.aria.core.queue.DownloadTaskQueue;
+import java.util.Iterator;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+/**
+ * Created by Aria.Lao on 2017/7/13.
+ * 下载任务和队列的映射表
+ */
+public class DQueueMapping {
+
+  public static final int QUEUE_TYPE_DOWNLOAD = 0xa1;
+  public static final int QUEUE_TYPE_DOWNLOAD_GROUP = 0xa2;
+  public static final int QUEUE_NONE = 0xab2;
+  private LinkedHashMap<String, Integer> types = new LinkedHashMap<>();
+
+  private static volatile DQueueMapping instance = null;
+
+  private DQueueMapping() {
+
+  }
+
+  public static DQueueMapping getInstance() {
+    if (instance == null) {
+      synchronized (AriaManager.LOCK) {
+        instance = new DQueueMapping();
+      }
+    }
+    return instance;
+  }
+
+  /**
+   * map中增加类型
+   *
+   * @param key 任务的key
+   * @param type {@link #QUEUE_TYPE_DOWNLOAD}、{@link #QUEUE_TYPE_DOWNLOAD}
+   */
+  public void addType(String key, int type) {
+    types.put(key, type);
+  }
+
+  /**
+   * @param key 任务的key
+   */
+  public void removeType(String key) {
+    types.remove(key);
+  }
+
+  /**
+   * 获取下一个任务类型
+   *
+   * @return {@link #QUEUE_TYPE_DOWNLOAD}、{@link #QUEUE_TYPE_DOWNLOAD}
+   */
+  public int nextType() {
+    Iterator<Map.Entry<String, Integer>> iter = types.entrySet().iterator();
+    if (iter.hasNext()) {
+      Map.Entry<String, Integer> next = iter.next();
+      int type = next.getValue();
+      iter.remove();
+      return type;
+    }
+    return QUEUE_NONE;
+  }
+
+  public boolean canStart() {
+    return DownloadTaskQueue.getInstance().getCurrentExePoolNum()
+        + DownloadGroupTaskQueue.getInstance().getCurrentExePoolNum() >= AriaManager.getInstance(
+        AriaManager.APP).getDownloadConfig().getMaxTaskNum();
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/scheduler/DownloadGroupSchedulers.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.scheduler;
+
+import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.download.DownloadGroupEntity;
+import com.arialyy.aria.core.download.DownloadGroupTask;
+import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
+import com.arialyy.aria.core.queue.DownloadGroupTaskQueue;
+
+/**
+ * Created by AriaL on 2017/7/2.
+ * 任务组调度器
+ */
+public class DownloadGroupSchedulers extends
+    AbsSchedulers<DownloadGroupTaskEntity, DownloadGroupEntity, DownloadGroupTask, DownloadGroupTaskQueue> {
+  private final String TAG = "DownloadGroupSchedulers";
+  private static volatile DownloadGroupSchedulers INSTANCE = null;
+
+  private DownloadGroupSchedulers() {
+    mQueue = DownloadGroupTaskQueue.getInstance();
+  }
+
+  public static DownloadGroupSchedulers getInstance() {
+    if (INSTANCE == null) {
+      synchronized (AriaManager.LOCK) {
+        INSTANCE = new DownloadGroupSchedulers();
+      }
+    }
+    return INSTANCE;
+  }
+
+  @Override int getSchedulerType() {
+    return DOWNLOAD_GROUP;
+  }
+
+  @Override String getProxySuffix() {
+    return "$$DownloadGroupListenerProxy";
+  }
+
+  @Override protected void startNextTask() {
+    if (getExeTaskNum() + DownloadSchedulers.getInstance().getExeTaskNum()
+        >= AriaManager.getInstance(AriaManager.APP).getDownloadConfig().getMaxTaskNum()) {
+      return;
+    }
+    if (!DownloadSchedulers.getInstance().hasNextTask()) {
+      nextSelf();
+    } else {
+      Integer nextType = DQueueMapping.getInstance().nextType();
+      if (nextType == DQueueMapping.QUEUE_TYPE_DOWNLOAD) {
+        DownloadSchedulers.getInstance().nextSelf();
+      } else {
+        nextSelf();
+      }
+    }
+  }
+
+  void nextSelf() {
+    super.startNextTask();
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/scheduler/DownloadSchedulers.java

@@ -16,11 +16,13 @@
 
 package com.arialyy.aria.core.scheduler;
 
+import com.arialyy.aria.core.Aria;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.queue.DownloadTaskQueue;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadTask;
+import java.nio.MappedByteBuffer;
 
 /**
  * Created by lyy on 2016/8/16.
@@ -29,12 +31,11 @@ import com.arialyy.aria.core.download.DownloadTask;
 public class DownloadSchedulers
     extends AbsSchedulers<DownloadTaskEntity, DownloadEntity, DownloadTask, DownloadTaskQueue> {
 
-  private static final String TAG = "DownloadSchedulers";
+  private final String TAG = "DownloadSchedulers";
   private static volatile DownloadSchedulers INSTANCE = null;
 
   private DownloadSchedulers() {
     mQueue = DownloadTaskQueue.getInstance();
-    isDownload = true;
   }
 
   public static DownloadSchedulers getInstance() {
@@ -45,4 +46,33 @@ public class DownloadSchedulers
     }
     return INSTANCE;
   }
+
+  @Override int getSchedulerType() {
+    return DOWNLOAD;
+  }
+
+  @Override String getProxySuffix() {
+    return "$$DownloadListenerProxy";
+  }
+
+  @Override protected void startNextTask() {
+    if (getExeTaskNum() + DownloadGroupSchedulers.getInstance().getExeTaskNum()
+        >= AriaManager.getInstance(AriaManager.APP).getDownloadConfig().getMaxTaskNum()) {
+      return;
+    }
+    if (!DownloadGroupSchedulers.getInstance().hasNextTask()) {
+      nextSelf();
+    } else {
+      Integer nextType = DQueueMapping.getInstance().nextType();
+      if (nextType == DQueueMapping.QUEUE_TYPE_DOWNLOAD_GROUP) {
+        DownloadGroupSchedulers.getInstance().nextSelf();
+      } else {
+        nextSelf();
+      }
+    }
+  }
+
+  void nextSelf() {
+    super.startNextTask();
+  }
 }

Aria/src/main/java/com/arialyy/aria/core/scheduler/ISchedulers.java

@@ -17,54 +17,54 @@
 package com.arialyy.aria.core.scheduler;
 
 import android.os.Handler;
-import com.arialyy.aria.core.inf.ITask;
+import com.arialyy.aria.core.inf.AbsTask;
 
 /**
  * Created by lyy on 2016/11/2.
  * 调度器功能接口
  */
-public interface ISchedulers<Task extends ITask> extends Handler.Callback {
+public interface ISchedulers<Task extends AbsTask> extends Handler.Callback {
   /**
    * 断点支持
    */
-  public static final int SUPPORT_BREAK_POINT = 9;
+  int SUPPORT_BREAK_POINT = 9;
   /**
    * 任务预加载
    */
-  public static final int PRE = 0;
+  int PRE = 0;
   /**
    * 任务预加载完成
    */
-  public static final int POST_PRE = 1;
+  int POST_PRE = 1;
 
   /**
    * 任务开始
    */
-  public static final int START = 2;
+  int START = 2;
   /**
    * 任务停止
    */
-  public static final int STOP = 3;
+  int STOP = 3;
   /**
    * 任务失败
    */
-  public static final int FAIL = 4;
+  int FAIL = 4;
   /**
    * 任务取消
    */
-  public static final int CANCEL = 5;
+  int CANCEL = 5;
   /**
    * 任务完成
    */
-  public static final int COMPLETE = 6;
+  int COMPLETE = 6;
   /**
    * 任务处理中
    */
-  public static final int RUNNING = 7;
+  int RUNNING = 7;
   /**
    * 恢复任务
    */
-  public static final int RESUME = 8;
+  int RESUME = 8;
 
   /**
    * 注册下载器监听，一个观察者只能注册一次监听
@@ -72,26 +72,25 @@ public interface ISchedulers<Task extends ITask> extends Handler.Callback {
    * @param targetName 观察者，创建该监听器的对象类名
    * @param schedulerListener {@link ISchedulerListener}
    */
-  public void addSchedulerListener(String targetName, ISchedulerListener<Task> schedulerListener);
+  void addSchedulerListener(String targetName, ISchedulerListener<Task> schedulerListener);
 
   /**
    * @param targetName 观察者，创建该监听器的对象类名
    * 取消注册监听器
    */
-  public void removeSchedulerListener(String targetName,
-      ISchedulerListener<Task> schedulerListener);
+  void removeSchedulerListener(String targetName, ISchedulerListener<Task> schedulerListener);
 
   /**
    * 将当前类注册到Aria
    *
    * @param obj 观察者类
    */
-  public void register(Object obj);
+  void register(Object obj);
 
   /**
    * 移除注册
    *
    * @param obj 观察者类
    */
-  public void unRegister(Object obj);
+  void unRegister(Object obj);
 }

Aria/src/main/java/com/arialyy/aria/core/scheduler/UploadSchedulers.java

@@ -32,7 +32,6 @@ public class UploadSchedulers
 
   private UploadSchedulers() {
     mQueue = UploadTaskQueue.getInstance();
-    isDownload = false;
   }
 
   public static UploadSchedulers getInstance() {
@@ -44,4 +43,12 @@ public class UploadSchedulers
 
     return INSTANCE;
   }
+
+  @Override int getSchedulerType() {
+    return UPLOAD;
+  }
+
+  @Override String getProxySuffix() {
+    return "$$UploadListenerProxy";
+  }
 }

Aria/src/main/java/com/arialyy/aria/core/upload/IUploadListener.java

@@ -15,60 +15,12 @@
  */
 package com.arialyy.aria.core.upload;
 
+import com.arialyy.aria.core.inf.IEventListener;
+
 /**
  * Created by lyy on 2017/2/9.
  * 上传监听
  */
-public interface IUploadListener {
+interface IUploadListener extends IEventListener {
 
-  /**
-   * 预处理
-   */
-  public void onPre();
-
-  /**
-   * 预处理完成
-   */
-  public void onPostPre(long fileSize);
-
-  /**
-   * 开始上传
-   */
-  public void onStart();
-
-  /**
-   * 恢复上传
-   *
-   * @param resumeLocation 上次上传停止位置
-   */
-  public void onResume(long resumeLocation);
-
-  /**
-   * 停止上传
-   *
-   * @param stopLocation 上传停止位置
-   */
-  public void onStop(long stopLocation);
-
-  /**
-   * 上传进度
-   *
-   * @param currentLocation 当前进度
-   */
-  public void onProgress(long currentLocation);
-
-  /**
-   * 取消上传
-   */
-  public void onCancel();
-
-  /**
-   * 上传成功
-   */
-  public void onComplete();
-
-  /**
-   * 上传失败
-   */
-  public void onFail();
 }

Aria/src/main/java/com/arialyy/aria/core/upload/ProxyHelper.java

@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.upload;
+
+import com.arialyy.aria.core.AriaManager;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.Set;
+
+import static java.util.Collections.unmodifiableSet;
+
+/**
+ * Created by Aria.Lao on 2017/7/10.
+ * 代理参数获取
+ */
+public class ProxyHelper {
+  public Set<String> downloadCounter, uploadCounter, downloadGroupCounter;
+
+  public static volatile ProxyHelper INSTANCE = null;
+
+  private ProxyHelper() {
+    init();
+  }
+
+  public static ProxyHelper getInstance() {
+    if (INSTANCE == null) {
+      synchronized (AriaManager.LOCK) {
+        INSTANCE = new ProxyHelper();
+      }
+    }
+    return INSTANCE;
+  }
+
+  private void init() {
+    try {
+      Class clazz = Class.forName("com.arialyy.aria.ProxyClassCounter");
+      Method download = clazz.getMethod("getDownloadCounter");
+      Method downloadGroup = clazz.getMethod("getDownloadGroupCounter");
+      Method upload = clazz.getMethod("getUploadCounter");
+      Object object = clazz.newInstance();
+      Object dc = download.invoke(object);
+      if (dc != null) {
+        downloadCounter = unmodifiableSet((Set<String>) dc);
+      }
+      Object dgc = downloadGroup.invoke(object);
+      if (dgc != null) {
+        downloadGroupCounter = unmodifiableSet((Set<String>) dgc);
+      }
+      Object uc = upload.invoke(object);
+      if (uc != null) {
+        uploadCounter = unmodifiableSet((Set<String>) uc);
+      }
+    } catch (ClassNotFoundException e) {
+      e.printStackTrace();
+    } catch (InstantiationException e) {
+      e.printStackTrace();
+    } catch (IllegalAccessException e) {
+      e.printStackTrace();
+    } catch (NoSuchMethodException e) {
+      e.printStackTrace();
+    } catch (InvocationTargetException e) {
+      e.printStackTrace();
+    }
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/upload/UploadEntity.java

@@ -17,25 +17,18 @@ package com.arialyy.aria.core.upload;
 
 import android.os.Parcel;
 import android.os.Parcelable;
-import com.arialyy.aria.core.inf.AbsEntity;
+import com.arialyy.aria.core.inf.AbsNormalEntity;
 import com.arialyy.aria.orm.Ignore;
+import com.arialyy.aria.orm.Primary;
 
 /**
  * Created by lyy on 2017/2/9.
  * 上传文件实体
  */
-public class UploadEntity extends AbsEntity implements Parcelable {
-
+public class UploadEntity extends AbsNormalEntity implements Parcelable {
+  @Primary
   private String filePath;  //文件路径
-  private boolean isComplete = false;
 
-  public boolean isComplete() {
-    return isComplete;
-  }
-
-  public void setComplete(boolean complete) {
-    isComplete = complete;
-  }
 
   public String getFilePath() {
     return filePath;
@@ -45,6 +38,10 @@ public class UploadEntity extends AbsEntity implements Parcelable {
     this.filePath = filePath;
   }
 
+  @Override public String getKey() {
+    return filePath;
+  }
+
   public UploadEntity() {
   }
 
@@ -55,13 +52,11 @@ public class UploadEntity extends AbsEntity implements Parcelable {
   @Override public void writeToParcel(Parcel dest, int flags) {
     super.writeToParcel(dest, flags);
     dest.writeString(this.filePath);
-    dest.writeByte(this.isComplete ? (byte) 1 : (byte) 0);
   }
 
   protected UploadEntity(Parcel in) {
     super(in);
     this.filePath = in.readString();
-    this.isComplete = in.readByte() != 0;
   }
 
   @Ignore public static final Creator<UploadEntity> CREATOR = new Creator<UploadEntity>() {

Aria/src/main/java/com/arialyy/aria/core/upload/UploadListener.java

@@ -18,8 +18,7 @@ package com.arialyy.aria.core.upload;
 /**
  * Created by lyy on 2017/2/23.
  */
-
-public class UploadListener implements IUploadListener {
+class UploadListener implements IUploadListener {
   @Override public void onPre() {
 
   }
@@ -28,7 +27,7 @@ public class UploadListener implements IUploadListener {
 
   }
 
-  @Override public void onStart() {
+  @Override public void onStart(long startLocation) {
 
   }
 

Aria/src/main/java/com/arialyy/aria/core/upload/UploadReceiver.java

@@ -17,30 +17,24 @@ package com.arialyy.aria.core.upload;
 
 import android.support.annotation.NonNull;
 import com.arialyy.aria.core.AriaManager;
-import com.arialyy.aria.core.command.AbsCmd;
-import com.arialyy.aria.core.command.CmdFactory;
-import com.arialyy.aria.core.download.DownloadReceiver;
-import com.arialyy.aria.core.inf.IEntity;
+import com.arialyy.aria.core.command.normal.NormalCmdFactory;
+import com.arialyy.aria.core.download.DownloadTaskEntity;
+import com.arialyy.aria.core.inf.AbsReceiver;
 import com.arialyy.aria.core.inf.IReceiver;
-import com.arialyy.aria.core.scheduler.DownloadSchedulers;
 import com.arialyy.aria.core.scheduler.ISchedulerListener;
 import com.arialyy.aria.core.scheduler.UploadSchedulers;
 import com.arialyy.aria.orm.DbEntity;
 import com.arialyy.aria.util.CheckUtil;
 import com.arialyy.aria.util.CommonUtil;
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;
-import java.util.regex.Pattern;
 
 /**
  * Created by lyy on 2017/2/6.
  * 上传功能接收器
  */
-public class UploadReceiver implements IReceiver<UploadEntity> {
+public class UploadReceiver extends AbsReceiver<UploadEntity> {
   private static final String TAG = "DownloadReceiver";
-  public String targetName;
-  public Object obj;
   public ISchedulerListener<UploadTask> listener;
 
   /**
@@ -50,17 +44,7 @@ public class UploadReceiver implements IReceiver<UploadEntity> {
    */
   public UploadTarget load(@NonNull String filePath) {
     CheckUtil.checkUploadPath(filePath);
-    UploadEntity entity = UploadEntity.findData(UploadEntity.class, "filePath=?", filePath);
-    if (entity == null) {
-      entity = new UploadEntity();
-    }
-    String regex = "[/|\\\\|//]";
-    Pattern p = Pattern.compile(regex);
-    String[] strs = p.split(filePath);
-    String fileName = strs[strs.length - 1];
-    entity.setFileName(fileName);
-    entity.setFilePath(filePath);
-    return new UploadTarget(entity, targetName);
+    return new UploadTarget(filePath, targetName);
   }
 
   /**
@@ -68,41 +52,39 @@ public class UploadReceiver implements IReceiver<UploadEntity> {
    */
   public UploadEntity getUploadEntity(String filePath) {
     CheckUtil.checkUploadPath(filePath);
-    return DbEntity.findData(UploadEntity.class, "filePath=?", filePath);
+    return DbEntity.findFirst(UploadEntity.class, "filePath=?", filePath);
   }
 
   /**
    * 下载任务是否存在
    */
   @Override public boolean taskExists(String filePath) {
-    return DbEntity.findData(UploadEntity.class, "filePath=?", filePath) != null;
+    return DbEntity.findFirst(UploadEntity.class, "filePath=?", filePath) != null;
   }
 
-  @Override public List<UploadEntity> getTaskList() {
+  @Override public List<UploadEntity> getSimpleTaskList() {
     return DbEntity.findAllData(UploadEntity.class);
   }
 
   @Override public void stopAllTask() {
-    List<UploadEntity> allEntity = DbEntity.findAllData(UploadEntity.class);
-    List<AbsCmd> stopCmds = new ArrayList<>();
-    for (UploadEntity entity : allEntity) {
-      if (entity.getState() == IEntity.STATE_RUNNING) {
-        stopCmds.add(
-            CommonUtil.createCmd(targetName, new UploadTaskEntity(entity), CmdFactory.TASK_STOP));
-      }
-    }
-    AriaManager.getInstance(AriaManager.APP).setCmds(stopCmds).exe();
+    AriaManager.getInstance(AriaManager.APP)
+        .setCmd(NormalCmdFactory.getInstance()
+            .createCmd(targetName, new UploadTaskEntity(), NormalCmdFactory.TASK_STOP_ALL))
+        .exe();
   }
 
-  @Override public void removeAllTask() {
+  /**
+   * 删除所有任务
+   *
+   * @param removeFile {@code true} 删除已经上传完成的任务，不仅删除上传记录，还会删除已经上传完成的文件，{@code false}
+   * 如果文件已经上传完成，只删除上传记录
+   */
+  @Override public void removeAllTask(boolean removeFile) {
     final AriaManager am = AriaManager.getInstance(AriaManager.APP);
-    List<UploadEntity> allEntity = DbEntity.findAllData(UploadEntity.class);
-    List<AbsCmd> cancelCmds = new ArrayList<>();
-    for (UploadEntity entity : allEntity) {
-      cancelCmds.add(
-          CommonUtil.createCmd(targetName, new UploadTaskEntity(entity), CmdFactory.TASK_CANCEL));
-    }
-    am.setCmds(cancelCmds).exe();
+
+    am.setCmd(CommonUtil.createCmd(targetName, new DownloadTaskEntity(),
+        NormalCmdFactory.TASK_CANCEL_ALL)).exe();
+
     Set<String> keys = am.getReceiver().keySet();
     for (String key : keys) {
       IReceiver receiver = am.getReceiver().get(key);
@@ -118,14 +100,19 @@ public class UploadReceiver implements IReceiver<UploadEntity> {
 
   /**
    * 添加调度器回调
+   *
+   * @see #register()
    */
-  public UploadReceiver addSchedulerListener(ISchedulerListener<UploadTask> listener) {
+  @Deprecated public UploadReceiver addSchedulerListener(ISchedulerListener<UploadTask> listener) {
     this.listener = listener;
     UploadSchedulers.getInstance().addSchedulerListener(targetName, listener);
     return this;
   }
 
-  @Override public void removeSchedulerListener() {
+  /**
+   * @see #unRegister()
+   */
+  @Deprecated @Override public void removeSchedulerListener() {
     if (listener != null) {
       UploadSchedulers.getInstance().removeSchedulerListener(targetName, listener);
     }
@@ -135,11 +122,19 @@ public class UploadReceiver implements IReceiver<UploadEntity> {
    * 将当前类注册到Aria
    */
   public UploadReceiver register() {
+    String className = obj.getClass().getName();
+    Set<String> cCounter = ProxyHelper.getInstance().uploadCounter;
+    if (cCounter != null && cCounter.contains(className)) {
       UploadSchedulers.getInstance().register(obj);
+    }
     return this;
   }
 
   @Override public void unRegister() {
+    String className = obj.getClass().getName();
+    Set<String> dCounter = ProxyHelper.getInstance().uploadCounter;
+    if (dCounter != null && dCounter.contains(className)) {
       UploadSchedulers.getInstance().unRegister(obj);
     }
+  }
 }

Aria/src/main/java/com/arialyy/aria/core/upload/UploadTarget.java

@@ -16,28 +16,49 @@
 package com.arialyy.aria.core.upload;
 
 import android.support.annotation.NonNull;
-import com.arialyy.aria.core.RequestEnum;
-import com.arialyy.aria.core.inf.AbsTarget;
+import com.arialyy.aria.core.inf.AbsNormalTarget;
 import com.arialyy.aria.core.queue.UploadTaskQueue;
 import com.arialyy.aria.orm.DbEntity;
-import java.util.Map;
+import java.util.regex.Pattern;
 
 /**
  * Created by lyy on 2017/2/28.
  */
-public class UploadTarget extends AbsTarget<UploadEntity, UploadTaskEntity> {
+public class UploadTarget extends AbsNormalTarget<UploadTarget, UploadEntity, UploadTaskEntity> {
 
-  UploadTarget(UploadEntity entity, String targetName) {
-    this.entity = entity;
-    this.targetName = targetName;
-    taskEntity = new UploadTaskEntity(entity);
+  UploadTarget(String filePath, String targetName) {
+    this.mTargetName = targetName;
+    mTaskEntity = DbEntity.findFirst(UploadTaskEntity.class, "key=?", filePath);
+    if (mTaskEntity == null) {
+      mTaskEntity = new UploadTaskEntity();
+      mTaskEntity.entity = getUploadEntity(filePath);
+    }
+    if (mTaskEntity.entity == null) {
+      mTaskEntity.entity = getUploadEntity(filePath);
+    }
+    mEntity = mTaskEntity.entity;
+  }
+
+  private UploadEntity getUploadEntity(String filePath) {
+    UploadEntity entity = UploadEntity.findFirst(UploadEntity.class, "filePath=?", filePath);
+    if (entity == null) {
+      entity = new UploadEntity();
+      String regex = "[/|\\\\|//]";
+      Pattern p = Pattern.compile(regex);
+      String[] strs = p.split(filePath);
+      String fileName = strs[strs.length - 1];
+      entity.setFileName(fileName);
+      entity.setFilePath(filePath);
+      entity.insert();
+    }
+    return entity;
   }
 
   /**
    * 设置userAgent
    */
   public UploadTarget setUserAngent(@NonNull String userAgent) {
-    taskEntity.userAgent = userAgent;
+    mTaskEntity.userAgent = userAgent;
     return this;
   }
 
@@ -47,7 +68,7 @@ public class UploadTarget extends AbsTarget<UploadEntity, UploadTaskEntity> {
    * @param uploadUrl 上传路径
    */
   public UploadTarget setUploadUrl(@NonNull String uploadUrl) {
-    taskEntity.uploadUrl = uploadUrl;
+    mTaskEntity.uploadUrl = uploadUrl;
     return this;
   }
 
@@ -57,7 +78,7 @@ public class UploadTarget extends AbsTarget<UploadEntity, UploadTaskEntity> {
    * @param attachment 附件key
    */
   public UploadTarget setAttachment(@NonNull String attachment) {
-    taskEntity.attachment = attachment;
+    mTaskEntity.attachment = attachment;
     return this;
   }
 
@@ -65,7 +86,7 @@ public class UploadTarget extends AbsTarget<UploadEntity, UploadTaskEntity> {
    * 设置文件名
    */
   public UploadTarget setFileName(String fileName) {
-    entity.setFileName(fileName);
+    mEntity.setFileName(fileName);
     return this;
   }
 
@@ -75,28 +96,7 @@ public class UploadTarget extends AbsTarget<UploadEntity, UploadTaskEntity> {
    * @param contentType tip：multipart/form-data
    */
   public UploadTarget setContentType(String contentType) {
-    taskEntity.contentType = contentType;
-    return this;
-  }
-
-  /**
-   * 给url请求添加头部
-   *
-   * @param key 头部key
-   * @param header 头部value
-   */
-  public UploadTarget addHeader(@NonNull String key, @NonNull String header) {
-    super._addHeader(key, header);
-    return this;
-  }
-
-  /**
-   * 给url请求添加头部
-   *
-   * @param headers key为http头部的key，Value为http头对应的配置
-   */
-  public UploadTarget addHeaders(Map<String, String> headers) {
-    super._addHeaders(headers);
+    mTaskEntity.contentType = contentType;
     return this;
   }
 
@@ -104,28 +104,14 @@ public class UploadTarget extends AbsTarget<UploadEntity, UploadTaskEntity> {
    * 下载任务是否存在
    */
   @Override public boolean taskExists() {
-    return UploadTaskQueue.getInstance().getTask(entity.getFilePath()) != null;
-  }
-
-  /**
-   * 设置请求类型
-   *
-   * @param requestEnum {@link RequestEnum}
-   */
-  public UploadTarget setRequestMode(RequestEnum requestEnum) {
-    super._setRequestMode(requestEnum);
-    return this;
-  }
-
-  private UploadEntity getDownloadEntity() {
-    return entity;
+    return UploadTaskQueue.getInstance().getTask(mEntity.getFilePath()) != null;
   }
 
   /**
    * 是否在下载
    */
   public boolean isUploading() {
-    UploadTask task = UploadTaskQueue.getInstance().getTask(entity);
+    UploadTask task = UploadTaskQueue.getInstance().getTask(mEntity);
     return task != null && task.isRunning();
   }
 }

Aria/src/main/java/com/arialyy/aria/core/upload/UploadUtil.java

@@ -51,7 +51,7 @@ final class UploadUtil implements Runnable {
   UploadUtil(UploadTaskEntity taskEntity, IUploadListener listener) {
     mTaskEntity = taskEntity;
     CheckUtil.checkTaskEntity(taskEntity);
-    mUploadEntity = taskEntity.uploadEntity;
+    mUploadEntity = taskEntity.getEntity();
     if (listener == null) {
       throw new IllegalArgumentException("上传监听不能为空");
     }
@@ -109,7 +109,7 @@ final class UploadUtil implements Runnable {
       for (String key : keys) {
         addFormField(writer, key, mTaskEntity.formFields.get(key));
       }
-      mListener.onStart();
+      mListener.onStart(0);
       uploadFile(writer, mTaskEntity.attachment, uploadFile);
       Log.d(TAG, finish(writer) + "");
     } catch (IOException e) {
@@ -162,11 +162,11 @@ final class UploadUtil implements Runnable {
     writer.append("Content-Disposition: form-data; name=\"")
         .append(attachment)
         .append("\"; filename=\"")
-        .append(mTaskEntity.uploadEntity.getFileName())
+        .append(mTaskEntity.getEntity().getFileName())
         .append("\"")
         .append(LINE_END);
     writer.append("Content-Type: ")
-        .append(URLConnection.guessContentTypeFromName(mTaskEntity.uploadEntity.getFileName()))
+        .append(URLConnection.guessContentTypeFromName(mTaskEntity.getEntity().getFileName()))
         .append(LINE_END);
     writer.append("Content-Transfer-Encoding: binary").append(LINE_END);
     writer.append(LINE_END);

Aria/src/main/java/com/arialyy/aria/orm/DBConfig.java

@@ -17,7 +17,11 @@ package com.arialyy.aria.orm;
 
 import android.text.TextUtils;
 import com.arialyy.aria.core.download.DownloadEntity;
+import com.arialyy.aria.core.download.DownloadGroupEntity;
+import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
+import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.upload.UploadEntity;
+import com.arialyy.aria.core.upload.UploadTaskEntity;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -28,7 +32,7 @@ import java.util.Map;
 public class DBConfig {
   static Map<String, Class> mapping = new HashMap<>();
   static String DB_NAME;
-  static int VERSION = 3;
+  static int VERSION = 10;
 
   static {
     if (TextUtils.isEmpty(DB_NAME)) {
@@ -41,6 +45,10 @@ public class DBConfig {
 
   static {
     mapping.put("DownloadEntity", DownloadEntity.class);
+    mapping.put("DownloadGroupEntity", DownloadGroupEntity.class);
+    mapping.put("DownloadTaskEntity", DownloadTaskEntity.class);
+    mapping.put("DownloadGroupTaskEntity", DownloadGroupTaskEntity.class);
     mapping.put("UploadEntity", UploadEntity.class);
+    mapping.put("UploadTaskEntity", UploadTaskEntity.class);
   }
 }

Aria/src/main/java/com/arialyy/aria/orm/DbEntity.java

@@ -19,8 +19,10 @@ package com.arialyy.aria.orm;
 import android.support.annotation.NonNull;
 import com.arialyy.aria.util.CommonUtil;
 import java.lang.reflect.Field;
+import java.lang.reflect.Type;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
 
 /**
  * Created by lyy on 2015/11/2.
@@ -34,6 +36,13 @@ public class DbEntity {
 
   }
 
+  /**
+   * 直接执行sql语句
+   */
+  public static void exeSql(String sql) {
+    DbUtil.getInstance().exeSql(sql);
+  }
+
   /**
    * 查询所有数据
    *
@@ -55,7 +64,7 @@ public class DbEntity {
   /**
    * 查询一组数据
    * <code>
-   * DownloadEntity.findData(DownloadEntity.class, "downloadUrl=?", downloadUrl);
+   * DownloadEntity.findFirst(DownloadEntity.class, "downloadUrl=?", downloadUrl);
    * </code>
    *
    * @return 没有数据返回null
@@ -68,12 +77,12 @@ public class DbEntity {
   /**
    * 查询一行数据
    * <code>
-   * DownloadEntity.findData(DownloadEntity.class, "downloadUrl=?", downloadUrl);
+   * DownloadEntity.findFirst(DownloadEntity.class, "downloadUrl=?", downloadUrl);
    * </code>
    *
    * @return 没有数据返回null
    */
-  public static <T extends DbEntity> T findData(Class<T> clazz, String... expression) {
+  public static <T extends DbEntity> T findFirst(Class<T> clazz, String... expression) {
     DbUtil util = DbUtil.getInstance();
     List<T> datas = util.findData(clazz, expression);
     return datas == null ? null : datas.size() > 0 ? datas.get(0) : null;
@@ -97,7 +106,6 @@ public class DbEntity {
    * 删除当前数据
    */
   public void deleteData() {
-    //mUtil.delData(getClass(), new Object[] { "rowid" }, new Object[] { rowID });
     deleteData(getClass(), "rowid=?", rowID + "");
   }
 
@@ -124,7 +132,7 @@ public class DbEntity {
    */
   public void save() {
     synchronized (LOCK) {
-      if (DbUtil.getInstance().tableExists(getClass()) && thisIsExist()) {
+      if (thisIsExist()) {
         update();
       } else {
         insert();
@@ -136,7 +144,8 @@ public class DbEntity {
    * 查找数据在表中是否存在
    */
   private boolean thisIsExist() {
-    return findData(getClass(), "rowid=?", rowID + "") != null;
+    DbUtil util = DbUtil.getInstance();
+    return util.isExist(getClass(), rowID);
   }
 
   /**
@@ -147,7 +156,7 @@ public class DbEntity {
     updateRowID();
   }
 
-  private <T extends DbEntity> T findData(Class<T> clazz, @NonNull String[] wheres,
+  private <T extends DbEntity> T findFirst(Class<T> clazz, @NonNull String[] wheres,
       @NonNull String[] values) {
     DbUtil util = DbUtil.getInstance();
     List<T> list = util.findData(clazz, wheres, values);
@@ -156,7 +165,7 @@ public class DbEntity {
 
   private void updateRowID() {
     try {
-      Field[] fields = CommonUtil.getFields(getClass());
+      List<Field> fields = CommonUtil.getAllFields(getClass());
       List<String> where = new ArrayList<>();
       List<String> values = new ArrayList<>();
       for (Field field : fields) {
@@ -165,9 +174,22 @@ public class DbEntity {
           continue;
         }
         where.add(field.getName());
+        Type type = field.getType();
+        if (SqlHelper.isOneToOne(field)) {
+          values.add(SqlHelper.getOneToOneParams(field));
+        } else if (type == List.class) {
+          if (SqlHelper.isOneToMany(field)) {
+            values.add(SqlHelper.getOneToManyElementParams(field));
+          } else {
+            values.add(SqlHelper.list2Str(this, field));
+          }
+        } else if (type == Map.class) {
+          values.add(SqlHelper.map2Str((Map<String, String>) field.get(this)));
+        } else {
           values.add(field.get(this) + "");
         }
-      DbEntity entity = findData(getClass(), where.toArray(new String[where.size()]),
+      }
+      DbEntity entity = findFirst(getClass(), where.toArray(new String[where.size()]),
           values.toArray(new String[values.size()]));
       if (entity != null) {
         rowID = entity.rowID;

Aria/src/main/java/com/arialyy/aria/orm/DbUtil.java

@@ -64,6 +64,13 @@ public class DbUtil {
     return INSTANCE;
   }
 
+  /**
+   * 执行sql语句
+   */
+  void exeSql(String sql) {
+    mDb.execSQL(sql);
+  }
+
   /**
    * 删除某条数据
    */
@@ -97,6 +104,18 @@ public class DbUtil {
     return SqlHelper.findData(mDb, clazz, expression);
   }
 
+  /**
+   * 通过rowId判断数据是否存在
+   */
+  synchronized <T extends DbEntity> boolean isExist(Class<T> clazz, int rowId) {
+    checkDb();
+    String sql = "SELECT rowid FROM " + CommonUtil.getClassName(clazz) + " WHERE rowid=" + rowId;
+    Cursor cursor = mDb.rawQuery(sql, null);
+    boolean isExist = cursor.getCount() > 0;
+    cursor.close();
+    return isExist;
+  }
+
   /**
    * 条件查寻数据
    */
@@ -127,7 +146,7 @@ public class DbUtil {
     SqlHelper.createTable(mDb, clazz, tableName);
   }
 
-  private void checkDb(){
+  private void checkDb() {
     if (mDb == null || !mDb.isOpen()) {
       mDb = mHelper.getReadableDatabase();
     }
@@ -175,7 +194,7 @@ public class DbUtil {
       Log.e(TAG, "请输入删除条件");
       return -1;
     } else if (wheres.length != values.length) {
-      Log.e(TAG, "key 和 vaule 长度不相等");
+      Log.e(TAG, "groupName 和 vaule 长度不相等");
       return -1;
     }
     StringBuilder sb = new StringBuilder();

Aria/src/main/java/com/arialyy/aria/orm/NormalList.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.orm;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Created by AriaL on 2017/7/4.
+ * 基本类型的List，只能用于常见的数据类型，如果是一对多的复杂数据结构，需要使用{@link OneToMany}
+ */
+@Target(ElementType.FIELD) @Retention(RetentionPolicy.RUNTIME) public @interface NormalList {
+  /**
+   * 数据类型
+   */
+  Class clazz();
+}

Aria/src/main/java/com/arialyy/aria/orm/OneToMany.java

@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.orm;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Created by AriaL on 2017/7/4.
+ * 一对多
+ */
+@Target(ElementType.FIELD) @Retention(RetentionPolicy.RUNTIME) public @interface OneToMany {
+  /**
+   * 关联的表
+   */
+  Class<? extends DbEntity> table();
+  /**
+   * 关联的主键
+   */
+  String key();
+}

Aria/src/main/java/com/arialyy/aria/orm/OneToOne.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.orm;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Created by AriaL on 2017/7/4.
+ * 一对一
+ */
+@Target(ElementType.FIELD) @Retention(RetentionPolicy.RUNTIME) public @interface OneToOne {
+
+  /**
+   * 关联的表
+   */
+  Class<? extends DbEntity> table();
+
+  /**
+   * 关联的主键
+   */
+  String key();
+}

Aria/src/main/java/com/arialyy/aria/orm/Primary.java

@@ -25,6 +25,6 @@ import java.lang.annotation.Target;
  * Created by lyy on 2015/11/2.
  * 表ID字段指定
  */
-@Target(ElementType.FIELD) @Retention(RetentionPolicy.RUNTIME) public @interface Id {
+@Target(ElementType.FIELD) @Retention(RetentionPolicy.RUNTIME) public @interface Primary {
   int value() default -1;
 }

Aria/src/main/java/com/arialyy/aria/orm/SqlHelper.java

@@ -28,9 +28,13 @@ import com.arialyy.aria.util.CheckUtil;
 import com.arialyy.aria.util.CommonUtil;
 import java.lang.reflect.Field;
 import java.lang.reflect.Modifier;
+import java.lang.reflect.Type;
 import java.util.ArrayList;
 import java.util.Date;
+import java.util.HashMap;
+import java.util.Iterator;
 import java.util.List;
+import java.util.Map;
 import java.util.Set;
 
 /**
@@ -186,11 +190,26 @@ final class SqlHelper extends SQLiteOpenHelper {
     sql = String.format(sql, params);
     print(FIND_DATA, sql);
     Cursor cursor = db.rawQuery(sql, null);
-    List<T> data = cursor.getCount() > 0 ? newInstanceEntity(clazz, cursor) : null;
+    List<T> data = cursor.getCount() > 0 ? newInstanceEntity(db, clazz, cursor) : null;
+    cursor.close();
     close(db);
     return data;
   }
 
+  /**
+   * 条件查寻数据
+   */
+  static synchronized <T extends DbEntity> List<T> findData(SQLiteDatabase db, String tableName,
+      String... expression) {
+    Class<T> clazz = null;
+    try {
+      clazz = (Class<T>) Class.forName(tableName);
+    } catch (ClassNotFoundException e) {
+      e.printStackTrace();
+    }
+    return findData(db, clazz, expression);
+  }
+
   /**
    * 条件查寻数据
    */
@@ -201,7 +220,7 @@ final class SqlHelper extends SQLiteOpenHelper {
       Log.e(TAG, "请输入查询条件");
       return null;
     } else if (wheres.length != values.length) {
-      Log.e(TAG, "key 和 vaule 长度不相等");
+      Log.e(TAG, "groupName 和 vaule 长度不相等");
       return null;
     }
     StringBuilder sb = new StringBuilder();
@@ -214,7 +233,8 @@ final class SqlHelper extends SQLiteOpenHelper {
     }
     print(FIND_DATA, sb.toString());
     Cursor cursor = db.rawQuery(sb.toString(), null);
-    List<T> data = cursor.getCount() > 0 ? newInstanceEntity(clazz, cursor) : null;
+    List<T> data = cursor.getCount() > 0 ? newInstanceEntity(db, clazz, cursor) : null;
+    cursor.close();
     close(db);
     return data;
   }
@@ -228,7 +248,8 @@ final class SqlHelper extends SQLiteOpenHelper {
     sb.append("SELECT rowid, * FROM ").append(CommonUtil.getClassName(clazz));
     print(FIND_ALL_DATA, sb.toString());
     Cursor cursor = db.rawQuery(sb.toString(), null);
-    List<T> data = cursor.getCount() > 0 ? newInstanceEntity(clazz, cursor) : null;
+    List<T> data = cursor.getCount() > 0 ? newInstanceEntity(db, clazz, cursor) : null;
+    cursor.close();
     close(db);
     return data;
   }
@@ -270,11 +291,26 @@ final class SqlHelper extends SQLiteOpenHelper {
         }
         sb.append(i > 0 ? ", " : "");
         try {
-          Object value = field.get(dbEntity);
-          sb.append(field.getName())
-              .append("='")
-              .append(value == null ? "" : value.toString())
-              .append("'");
+          String value;
+          sb.append(field.getName()).append("='");
+          Type type = field.getType();
+          if (type == Map.class) {
+            value = map2Str((Map<String, String>) field.get(dbEntity));
+          } else if (type == List.class) {
+            if (isOneToMany(field)) {
+              value = getOneToManyElementParams(field);
+            } else {
+              value = list2Str(dbEntity, field);
+            }
+          } else if (isOneToOne(field)) {
+            value = getOneToOneParams(field);
+          } else {
+            Object obj = field.get(dbEntity);
+            value = obj == null ? "" : obj.toString();
+          }
+
+          sb.append(value == null ? "" : value);
+          sb.append("'");
         } catch (IllegalAccessException e) {
           e.printStackTrace();
         }
@@ -304,11 +340,13 @@ final class SqlHelper extends SQLiteOpenHelper {
           continue;
         }
         sb.append(i > 0 ? ", " : "");
+        //sb.append(getFieldName(field.getType(), field));
         sb.append(field.getName());
         i++;
       }
       sb.append(") VALUES (");
       i = 0;
+      try {
         for (Field field : fields) {
           field.setAccessible(true);
           if (ignoreField(field)) {
@@ -316,13 +354,26 @@ final class SqlHelper extends SQLiteOpenHelper {
           }
           sb.append(i > 0 ? ", " : "");
           sb.append("'");
-        try {
-          sb.append(field.get(dbEntity)).append("'");
+          Type type = field.getType();
+          if (type == Map.class) {
+            sb.append(map2Str((Map<String, String>) field.get(dbEntity)));
+          } else if (type == List.class) {
+            if (isOneToMany(field)) {
+              sb.append(getOneToManyElementParams(field));
+            } else {
+              sb.append(list2Str(dbEntity, field));
+            }
+          } else if (isOneToOne(field)) {
+            sb.append(getOneToOneParams(field));
+          } else {
+            sb.append(field.get(dbEntity));
+          }
+          sb.append("'");
+          i++;
+        }
       } catch (IllegalAccessException e) {
         e.printStackTrace();
       }
-        i++;
-      }
       sb.append(")");
       print(INSERT_DATA, sb.toString());
       db.execSQL(sb.toString());
@@ -330,6 +381,104 @@ final class SqlHelper extends SQLiteOpenHelper {
     close(db);
   }
 
+  /**
+   * 获取一对一参数
+   */
+  static String getOneToOneParams(Field field) {
+    OneToOne oneToOne = field.getAnnotation(OneToOne.class);
+    if (oneToOne == null) {
+      throw new IllegalArgumentException("@OneToOne注解的对象必须要有@Primary注解的字段");
+    }
+    return oneToOne.table().getName() + "$$" + oneToOne.key();
+  }
+
+  /**
+   * 获取List一对多参数
+   *
+   * @param field list反射字段
+   */
+  static String getOneToManyElementParams(Field field) {
+    OneToMany oneToMany = field.getAnnotation(OneToMany.class);
+    if (oneToMany == null) {
+      throw new IllegalArgumentException("一对多元素必须被@OneToMany注解");
+    }
+    //关联的表名
+    String tableName = oneToMany.table().getName();
+    //关联的字段
+    String key = oneToMany.key();
+    return tableName + "$$" + key;
+  }
+
+  /**
+   * 列表数据转字符串
+   *
+   * @param field list反射字段
+   */
+  static String list2Str(DbEntity dbEntity, Field field) throws IllegalAccessException {
+    NormalList normalList = field.getAnnotation(NormalList.class);
+    if (normalList == null) {
+      throw new IllegalArgumentException("List中元素必须被@NormalList注解");
+    }
+    List list = (List) field.get(dbEntity);
+    if (list == null || list.isEmpty()) return "";
+    StringBuilder sb = new StringBuilder();
+    for (Object aList : list) {
+      sb.append(aList).append("$$");
+    }
+    return sb.toString();
+  }
+
+  /**
+   * 字符串转列表
+   *
+   * @param str 数据库中的字段
+   * @return 如果str为null，则返回null
+   */
+  private static List str2List(String str, Field field) {
+    NormalList normalList = field.getAnnotation(NormalList.class);
+    if (normalList == null) {
+      throw new IllegalArgumentException("List中元素必须被@NormalList注解");
+    }
+    if (TextUtils.isEmpty(str)) return null;
+    String[] datas = str.split("$$");
+    List list = new ArrayList();
+    String type = normalList.clazz().getName();
+    for (String data : datas) {
+      list.add(checkData(data, type));
+    }
+    return list;
+  }
+
+  private static Object checkData(String type, String data) {
+    switch (type) {
+      case "String":
+        return data;
+      case "int":
+      case "Integer":
+        return Integer.parseInt(data);
+      case "double":
+      case "Double":
+        return Double.parseDouble(data);
+      case "float":
+      case "Float":
+        return Float.parseFloat(data);
+    }
+    return null;
+  }
+
+  /**
+   * 查找class的主键字段
+   *
+   * @return 返回主键字段名
+   */
+  private static String getPrimaryName(Class<? extends DbEntity> clazz) {
+    List<Field> fields = CommonUtil.getAllFields(clazz);
+    for (Field field : fields) {
+      if (isPrimary(field)) return field.getName();
+    }
+    return null;
+  }
+
   /**
    * 查找表是否存在
    *
@@ -380,9 +529,13 @@ final class SqlHelper extends SQLiteOpenHelper {
         if (ignoreField(field)) {
           continue;
         }
-        sb.append(field.getName());
         Class<?> type = field.getType();
-        if (type == String.class) {
+        sb.append(field.getName());
+        if (type == String.class
+            || type == Map.class
+            || type == List.class
+            || isOneToOne(field)
+            || type.isEnum()) {
           sb.append(" varchar");
         } else if (type == int.class || type == Integer.class) {
           sb.append(" interger");
@@ -401,6 +554,10 @@ final class SqlHelper extends SQLiteOpenHelper {
         } else {
           continue;
         }
+        if (isPrimary(field)) {
+          //sb.append(" PRIMARY KEY");
+          sb.append(" NOT NULL");
+        }
         sb.append(",");
       }
       String str = sb.toString();
@@ -447,8 +604,8 @@ final class SqlHelper extends SQLiteOpenHelper {
   /**
    * 根据数据游标创建一个具体的对象
    */
-  static synchronized <T extends DbEntity> List<T> newInstanceEntity(Class<T> clazz,
-      Cursor cursor) {
+  private static synchronized <T extends DbEntity> List<T> newInstanceEntity(SQLiteDatabase db,
+      Class<T> clazz, Cursor cursor) {
     List<Field> fields = CommonUtil.getAllFields(clazz);
     List<T> entitys = new ArrayList<>();
     if (fields != null && fields.size() > 0) {
@@ -479,8 +636,39 @@ final class SqlHelper extends SQLiteOpenHelper {
               field.set(entity, new Date(cursor.getString(column)));
             } else if (type == byte[].class) {
               field.set(entity, cursor.getBlob(column));
+            } else if (type == Map.class) {
+              field.set(entity, str2Map(cursor.getString(column)));
+            } else if (type == List.class) {
+              String value = cursor.getString(column);
+              if (isOneToMany(field)) {
+                //主键字段
+                String primaryKey = getPrimaryName(clazz);
+                if (TextUtils.isEmpty(primaryKey)) {
+                  throw new IllegalArgumentException("List中的元素对象必须需要@Primary注解的字段");
+                }
+                //list字段保存的数据
+                int kc = cursor.getColumnIndex(primaryKey);
+                String primaryData = cursor.getString(kc);
+                if (TextUtils.isEmpty(primaryData)) continue;
+                List<T> list = findForeignData(db, primaryData, value);
+                if (list == null) continue;
+                field.set(entity, findForeignData(db, primaryData, value));
               } else {
-              continue;
+                field.set(entity, str2List(value, field));
+              }
+            } else if (isOneToOne(field)) {
+              String primaryKey = getPrimaryName(clazz);
+              if (TextUtils.isEmpty(primaryKey)) {
+                throw new IllegalArgumentException("@OneToOne的注解对象必须需要@Primary注解的字段");
+              }
+              int kc = cursor.getColumnIndex(primaryKey);
+              String params = cursor.getString(column);
+              String primaryData = cursor.getString(kc);
+              if (TextUtils.isEmpty(primaryData) || primaryData.equalsIgnoreCase("null")) continue;
+              List<T> list = findForeignData(db, primaryData, params);
+              if (list != null && list.size() > 0) {
+                field.set(entity, list.get(0));
+              }
             }
           }
           entity.rowID = cursor.getInt(cursor.getColumnIndex("rowid"));
@@ -496,6 +684,53 @@ final class SqlHelper extends SQLiteOpenHelper {
     return entitys;
   }
 
+  /**
+   * 查找一对多、一对一的关联数据
+   *
+   * @param primary 当前表的主键
+   * @param childParams 当前表关联数据的类名 $$ 主键名
+   */
+  private static <T extends DbEntity> List<T> findForeignData(SQLiteDatabase db, String primary,
+      String childParams) {
+    String[] params = childParams.split("\\$\\$");
+    return findData(db, params[0], params[1] + "=?", primary);
+  }
+
+  /**
+   * 字符串转Map，只支持
+   * <pre>
+   *   {@code Map<String, String>}
+   * </pre>
+   */
+  private static Map<String, String> str2Map(String str) {
+    Map<String, String> map = new HashMap<>();
+    if (TextUtils.isEmpty(str)) {
+      return map;
+    }
+    String[] element = str.split(",");
+    for (String data : element) {
+      String[] s = data.split("\\$");
+      map.put(s[0], s[1]);
+    }
+    return map;
+  }
+
+  /**
+   * Map转字符串，只支持
+   * <pre>
+   *   {@code Map<String, String>}
+   * </pre>
+   */
+  static String map2Str(Map<String, String> map) {
+    StringBuilder sb = new StringBuilder();
+    Set<String> keys = map.keySet();
+    for (String key : keys) {
+      sb.append(key).append("$").append(map.get(key)).append(",");
+    }
+    String str = sb.toString();
+    return TextUtils.isEmpty(str) ? str : str.substring(0, str.length() - 1);
+  }
+
   private static void close(SQLiteDatabase db) {
     //if (db != null && db.isOpen()) db.close();
   }
@@ -511,7 +746,7 @@ final class SqlHelper extends SQLiteOpenHelper {
    * @return true 忽略该字段
    */
   static boolean ignoreField(Field field) {
-    // field.isSynthetic(), 使用as热启动App时，AS会自动给你的clss添加change字段
+    // field.isSynthetic(), 使用as热启动App时，AS会自动给你的class添加change字段
     Ignore ignore = field.getAnnotation(Ignore.class);
     int modifiers = field.getModifiers();
     return (ignore != null && ignore.value())
@@ -520,4 +755,28 @@ final class SqlHelper extends SQLiteOpenHelper {
         || Modifier.isStatic(modifiers)
         || Modifier.isFinal(modifiers);
   }
+
+  /**
+   * 判断是否一对多注解
+   */
+  static boolean isOneToMany(Field field) {
+    OneToMany oneToMany = field.getAnnotation(OneToMany.class);
+    return oneToMany != null;
+  }
+
+  /**
+   * 判断是否是一对一注解
+   */
+  static boolean isOneToOne(Field field) {
+    OneToOne oneToOne = field.getAnnotation(OneToOne.class);
+    return oneToOne != null;
+  }
+
+  /**
+   * 判断是否是主键
+   */
+  static boolean isPrimary(Field field) {
+    Primary pk = field.getAnnotation(Primary.class);
+    return pk != null;
+  }
 }

Aria/src/main/java/com/arialyy/aria/util/CheckUtil.java

@@ -24,6 +24,7 @@ import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.upload.UploadEntity;
 import com.arialyy.aria.core.upload.UploadTaskEntity;
 import com.arialyy.aria.exception.FileException;
+import java.util.List;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -76,6 +77,24 @@ public class CheckUtil {
     if (TextUtils.isEmpty(downloadUrl)) throw new IllegalArgumentException("下载链接不能为null");
   }
 
+  /**
+   * 检测下载链接组是否为null
+   */
+  public static void checkDownloadUrls(List<String> urls) {
+    if (urls == null || urls.isEmpty()) {
+      throw new IllegalArgumentException("链接组不能为null");
+    }
+  }
+
+  /**
+   * 检查下载任务组保存路径
+   */
+  public static void checkDownloadPaths(List<String> paths) {
+    if (paths == null || paths.isEmpty()) {
+      throw new IllegalArgumentException("链接保存路径不能为null");
+    }
+  }
+
   /**
    * 检测上传地址是否为null
    */
@@ -88,9 +107,9 @@ public class CheckUtil {
    */
   public static void checkTaskEntity(AbsTaskEntity entity) {
     if (entity instanceof DownloadTaskEntity) {
-      checkDownloadTaskEntity(((DownloadTaskEntity) entity).downloadEntity);
+      checkDownloadTaskEntity(((DownloadTaskEntity) entity).getEntity());
     } else if (entity instanceof UploadTaskEntity) {
-      checkUploadTaskEntity(((UploadTaskEntity) entity).uploadEntity);
+      checkUploadTaskEntity(((UploadTaskEntity) entity).getEntity());
     }
   }
 
@@ -103,7 +122,7 @@ public class CheckUtil {
   public static boolean checkCmdEntity(AbsTaskEntity entity, boolean checkType) {
     boolean b = false;
     if (entity instanceof DownloadTaskEntity) {
-      DownloadEntity entity1 = ((DownloadTaskEntity) entity).downloadEntity;
+      DownloadEntity entity1 = ((DownloadTaskEntity) entity).getEntity();
       if (entity1 == null) {
         Log.e(TAG, "下载实体不能为空");
       } else if (checkType && TextUtils.isEmpty(entity1.getDownloadUrl())) {
@@ -114,7 +133,7 @@ public class CheckUtil {
         b = true;
       }
     } else if (entity instanceof UploadTaskEntity) {
-      UploadEntity entity1 = ((UploadTaskEntity) entity).uploadEntity;
+      UploadEntity entity1 = ((UploadTaskEntity) entity).getEntity();
       if (entity1 == null) {
         Log.e(TAG, "上传实体不能为空");
       } else if (TextUtils.isEmpty(entity1.getFilePath())) {

Aria/src/main/java/com/arialyy/aria/util/CommonUtil.java

@@ -22,9 +22,14 @@ import android.content.SharedPreferences;
 import android.net.Uri;
 import android.text.TextUtils;
 import android.util.Log;
-import com.arialyy.aria.core.command.CmdFactory;
-import com.arialyy.aria.core.command.AbsCmd;
+import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.command.normal.NormalCmdFactory;
+import com.arialyy.aria.core.command.normal.AbsNormalCmd;
+import com.arialyy.aria.core.download.DownloadEntity;
+import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
+import com.arialyy.aria.core.upload.UploadEntity;
+import com.arialyy.aria.core.upload.UploadTaskEntity;
 import java.io.File;
 import java.io.FileFilter;
 import java.io.FileInputStream;
@@ -42,6 +47,11 @@ import java.util.Collections;
 import java.util.List;
 import java.util.Properties;
 import java.util.regex.Pattern;
+import java.lang.reflect.GenericArrayType;
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
+import java.lang.reflect.TypeVariable;
+import java.lang.reflect.WildcardType;
 
 /**
  * Created by lyy on 2016/1/22.
@@ -49,10 +59,140 @@ import java.util.regex.Pattern;
 public class CommonUtil {
   private static final String TAG = "CommonUtil";
 
+  /**
+   * 实例化泛型的实际类型参数
+   *
+   * @throws Exception
+   */
+  public static void typeCheck(Type type) throws Exception {
+    System.out.println("该类型是" + type);
+    // 参数化类型
+    if (type instanceof ParameterizedType) {
+      Type[] typeArguments = ((ParameterizedType) type).getActualTypeArguments();
+      for (int i = 0; i < typeArguments.length; i++) {
+        // 类型变量
+        if (typeArguments[i] instanceof TypeVariable) {
+          System.out.println("第" + (i + 1) + "个泛型参数类型是类型变量" + typeArguments[i] + "，无法实例化。");
+        }
+        // 通配符表达式
+        else if (typeArguments[i] instanceof WildcardType) {
+          System.out.println("第" + (i + 1) + "个泛型参数类型是通配符表达式" + typeArguments[i] + "，无法实例化。");
+        }
+        // 泛型的实际类型，即实际存在的类型
+        else if (typeArguments[i] instanceof Class) {
+          System.out.println("第" + (i + 1) + "个泛型参数类型是:" + typeArguments[i] + "，可以直接实例化对象");
+        }
+      }
+      // 参数化类型数组或类型变量数组
+    } else if (type instanceof GenericArrayType) {
+      System.out.println("该泛型类型是参数化类型数组或类型变量数组，可以获取其原始类型。");
+      Type componentType = ((GenericArrayType) type).getGenericComponentType();
+      // 类型变量
+      if (componentType instanceof TypeVariable) {
+        System.out.println("该类型变量数组的原始类型是类型变量" + componentType + "，无法实例化。");
+      }
+      // 参数化类型，参数化类型数组或类型变量数组
+      // 参数化类型数组或类型变量数组也可以是多维的数组，getGenericComponentType()方法仅仅是去掉最右边的[]
+      else {
+        // 递归调用方法自身
+        typeCheck(componentType);
+      }
+    } else if (type instanceof TypeVariable) {
+      System.out.println("该类型是类型变量");
+    } else if (type instanceof WildcardType) {
+      System.out.println("该类型是通配符表达式");
+    } else if (type instanceof Class) {
+      System.out.println("该类型不是泛型类型");
+    } else {
+      throw new Exception();
+    }
+  }
+
+  /**
+   * 根据下载任务组的url创建key
+   *
+   * @return urls 为 null 或者 size为0，返回""
+   */
+  public static String getMd5Code(List<String> urls) {
+    if (urls == null || urls.size() < 1) return "";
+    String md5 = "";
+    StringBuilder sb = new StringBuilder();
+    for (String url : urls) {
+      sb.append(url);
+    }
+    try {
+      MessageDigest md = MessageDigest.getInstance("MD5");
+      md.update(sb.toString().getBytes());
+      md5 = new BigInteger(1, md.digest()).toString(16);
+    } catch (NoSuchAlgorithmException e) {
+      Log.e(TAG, e.getMessage());
+    }
+    return md5;
+  }
+
+  /**
+   * 删除上传任务的配置，包括
+   *
+   * @param removeFile {@code true} 不仅删除任务数据库记录，还会删除已经下载完成的文件
+   * {@code false}如果任务已经完成，只删除任务数据库记录
+   */
+  public static void delUploadTaskConfig(boolean removeFile, UploadTaskEntity tEntity) {
+    UploadEntity uEntity = tEntity.getEntity();
+    File file = new File(uEntity.getFilePath());
+    if (removeFile) {
+      if (file.exists()) {
+        file.delete();
+      }
+    } else {
+      if (!uEntity.isComplete()) {
+        if (file.exists()) {
+          file.delete();
+        }
+      }
+    }
+    File config = new File(
+        AriaManager.APP.getFilesDir().getPath() + "/temp/" + uEntity.getFileName() + ".properties");
+    if (config.exists()) {
+      config.delete();
+    }
+    uEntity.deleteData();
+    tEntity.deleteData();
+  }
+
+  /**
+   * 删除下载任务的配置，包括
+   *
+   * @param removeFile {@code true} 不仅删除任务数据库记录，还会删除已经下载完成的文件
+   * {@code false}如果任务已经完成，只删除任务数据库记录
+   */
+  public static void delDownloadTaskConfig(boolean removeFile, DownloadTaskEntity tEntity) {
+    DownloadEntity dEntity = tEntity.getEntity();
+    File file = new File(dEntity.getDownloadPath());
+    if (removeFile) {
+      if (file.exists()) {
+        file.delete();
+      }
+    } else {
+      if (!dEntity.isComplete()) {
+        if (file.exists()) {
+          file.delete();
+        }
+      }
+    }
+
+    File config = new File(
+        AriaManager.APP.getFilesDir().getPath() + "/temp/" + dEntity.getFileName() + ".properties");
+    if (config.exists()) {
+      config.delete();
+    }
+    dEntity.deleteData();
+    tEntity.deleteData();
+  }
+
   /**
    * 获取CPU核心数
    */
-  public static int getNumCores() {
+  public static int getCoresNum() {
     //Private Class to display only CPU devices in the directory listing
     class CpuFilter implements FileFilter {
       @Override public boolean accept(File pathname) {
@@ -180,8 +320,8 @@ public class CommonUtil {
     }
   }
 
-  public static <T extends AbsTaskEntity> AbsCmd createCmd(String target, T entity, int cmd) {
-    return CmdFactory.getInstance().createCmd(target, entity, cmd);
+  public static <T extends AbsTaskEntity> AbsNormalCmd createCmd(String target, T entity, int cmd) {
+    return NormalCmdFactory.getInstance().createCmd(target, entity, cmd);
   }
 
   /**
@@ -230,6 +370,10 @@ public class CommonUtil {
     List<Field> fields = new ArrayList<>();
     Class personClazz = clazz.getSuperclass();
     if (personClazz != null) {
+      Class rootClazz = personClazz.getSuperclass();
+      if (rootClazz != null) {
+        Collections.addAll(fields, rootClazz.getDeclaredFields());
+      }
       Collections.addAll(fields, personClazz.getDeclaredFields());
     }
     Collections.addAll(fields, clazz.getDeclaredFields());
@@ -397,9 +541,11 @@ public class CommonUtil {
   }
 
   /**
-   * 创建文件 当文件不存在的时候就创建一个文件，否则直接返回文件
+   * 创建文件
+   * 当文件不存在的时候就创建一个文件。
+   * 如果文件存在，先删除原文件，然后重新创建一个新文件
    */
-  public static File createFile(String path) {
+  public static void createFile(String path) {
     File file = new File(path);
     if (!file.getParentFile().exists()) {
       Log.d(TAG, "目标文件所在路径不存在，准备创建……");
@@ -408,19 +554,18 @@ public class CommonUtil {
       }
     }
     // 创建目标文件
+    if (file.exists()) {
+      final File to = new File(file.getAbsolutePath() + System.currentTimeMillis());
+      file.renameTo(to);
+      to.delete();
+    }
     try {
-      if (!file.exists()) {
       if (file.createNewFile()) {
         Log.d(TAG, "创建文件成功:" + file.getAbsolutePath());
       }
-        return file;
-      } else {
-        return file;
-      }
     } catch (IOException e) {
       e.printStackTrace();
     }
-    return null;
   }
 
   /**

Aria/src/main/res/layout/activity_aria_file_shange.xml

@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical"
-    >
-
-  <ListView
-      android:id="@+id/list"
-      android:layout_width="match_parent"
-      android:layout_height="match_parent"
-      />
-
-</LinearLayout>

Aria/src/main/res/layout/item_file.xml

@@ -1,51 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical"
-    android:padding="16dp"
-    >
-
-  <CheckBox
-      android:id="@+id/checkbox"
-      android:layout_width="wrap_content"
-      android:layout_height="wrap_content"
-      android:layout_alignParentRight="true"
-      android:layout_centerVertical="true"
-      android:clickable="false"
-      />
-
-  <ImageView
-      android:id="@+id/img"
-      android:layout_width="50dp"
-      android:layout_height="50dp"
-      android:layout_centerVertical="true"
-      />
-
-  <TextView
-      android:id="@+id/title"
-      android:layout_width="wrap_content"
-      android:layout_height="wrap_content"
-      android:layout_alignTop="@+id/img"
-      android:layout_marginLeft="10dp"
-      android:layout_marginRight="5dp"
-      android:layout_toLeftOf="@+id/checkbox"
-      android:layout_toRightOf="@+id/img"
-      android:ellipsize="end"
-      android:maxLines="1"
-      android:textSize="18sp"
-      android:textStyle="bold"
-      />
-
-  <TextView
-      android:id="@+id/info"
-      android:layout_width="wrap_content"
-      android:layout_height="wrap_content"
-      android:layout_alignLeft="@+id/title"
-      android:layout_below="@+id/title"
-      android:layout_marginRight="5dp"
-      android:layout_marginTop="10dp"
-      android:layout_toLeftOf="@+id/checkbox"
-      />
-
-</RelativeLayout>