下载配置设置

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

@@ -8,6 +8,7 @@ import android.content.Context;
 import android.os.Build;
 import android.os.Bundle;
 import android.support.v4.app.Fragment;
+import android.util.Log;
 import com.arialyy.aria.core.command.CmdFactory;
 import com.arialyy.aria.util.CommonUtil;
 import com.arialyy.aria.core.command.IDownloadCmd;
@@ -22,6 +23,7 @@ import java.util.Set;
  * Aria管理器，任务操作在这里执行
  */
 @TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH) public class AriaManager {
+  private static final    String                  TAG      = "AriaManager";
   private static final    Object                  LOCK     = new Object();
   private static volatile AriaManager             INSTANCE = null;
   private                 Map<String, AMReceiver> mTargets = new HashMap<>();
@@ -46,16 +48,6 @@ import java.util.Set;
     return getTarget(obj);
   }
 
-  /**
-   * 设置同时下载的任务数
-   */
-  public void setDownloadNum(int num) {
-    if (num <= 0) {
-      throw new IllegalArgumentException("下载任务数不能小于1");
-    }
-    mManager.getTaskQueue().setDownloadNum(num);
-  }
-
   /**
    * 停止所有正在执行的任务
    */
@@ -70,6 +62,26 @@ import java.util.Set;
     mManager.setCmds(stopCmds).exe();
   }
 
+  /**
+   * 是否打开下载广播
+   */
+  public void openBroadcast(boolean open) {
+
+  }
+
+  /**
+   * 设置最大下载数，最大下载数不能小于1
+   *
+   * @param maxDownloadNum 最大下载数
+   */
+  public void setMaxDownloadNum(int maxDownloadNum) {
+    if (maxDownloadNum < 1){
+      Log.w(TAG, "最大任务数不能小于 1");
+      return;
+    }
+    mManager.getTaskQueue().setDownloadNum(maxDownloadNum);
+  }
+
   /**
    * 删除所有任务
    */

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

@@ -22,6 +22,7 @@ import com.arialyy.aria.orm.DbUtil;
 import com.arialyy.aria.core.command.IDownloadCmd;
 import com.arialyy.aria.core.queue.DownloadTaskQueue;
 import com.arialyy.aria.orm.DbEntity;
+import com.arialyy.aria.util.Configuration;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -82,21 +83,22 @@ public class DownloadManager {
   private static final    Object             LOCK             = new Object();
   private static volatile DownloadManager    INSTANCE         = null;
   private                 List<IDownloadCmd> mCommands        = new ArrayList<>();
-  private Context    mContext;
+  public static  Context       APP;
   private        ITaskQueue    mTaskQueue;
+  private static Configuration mConfig;
 
   private DownloadManager() {
 
   }
 
   private DownloadManager(Context context) {
-    mContext = context;
+    APP = context;
     DownloadTaskQueue.Builder builder = new DownloadTaskQueue.Builder(context);
     mTaskQueue = builder.build();
     DbUtil.init(context);
   }
 
-  public static DownloadManager init(Context context) {
+  static DownloadManager init(Context context) {
     if (INSTANCE == null) {
       synchronized (LOCK) {
         INSTANCE = new DownloadManager(context.getApplicationContext());
@@ -112,7 +114,7 @@ public class DownloadManager {
     return INSTANCE;
   }
 
-  public List<DownloadEntity> getAllDownloadEntity() {
+  List<DownloadEntity> getAllDownloadEntity() {
     return DbEntity.findAllData(DownloadEntity.class);
   }
 
@@ -126,7 +128,7 @@ public class DownloadManager {
   /**
    * 设置命令
    */
-  public DownloadManager setCmd(IDownloadCmd command) {
+  DownloadManager setCmd(IDownloadCmd command) {
     mCommands.add(command);
     return this;
   }
@@ -134,7 +136,7 @@ public class DownloadManager {
   /**
    * 设置一组命令
    */
-  public DownloadManager setCmds(List<IDownloadCmd> commands) {
+  DownloadManager setCmds(List<IDownloadCmd> commands) {
     if (commands != null && commands.size() > 0) {
       mCommands.addAll(commands);
     }
@@ -144,7 +146,7 @@ public class DownloadManager {
   /**
    * 执行所有设置的命令
    */
-  public synchronized void exe() {
+  synchronized void exe() {
     for (IDownloadCmd command : mCommands) {
       command.executeCmd();
     }

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

@@ -36,7 +36,6 @@ public class DownloadTaskQueue implements ITaskQueue {
   private              ExecutePool mExecutePool = ExecutePool.getInstance();
   private Context             mContext;
   private IDownloadSchedulers mSchedulers;
-  private int mDownloadNum = 2;
 
   private DownloadTaskQueue() {
   }

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

@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-
 package com.arialyy.aria.core.queue.pool;
 
 import android.text.TextUtils;
@@ -22,6 +21,7 @@ import android.util.Log;
 import com.arialyy.aria.util.CommonUtil;
 import com.arialyy.aria.core.queue.IPool;
 import com.arialyy.aria.core.task.Task;
+import com.arialyy.aria.util.Configuration;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.concurrent.ArrayBlockingQueue;
@@ -36,11 +36,12 @@ public class ExecutePool implements IPool {
   private static final    Object      LOCK     = new Object();
   private static final    long        TIME_OUT = 1000;
   private static volatile ExecutePool INSTANCE = null;
-  public static           int         mSize    = 2;
   private ArrayBlockingQueue<Task> mExecuteQueue;
   private Map<String, Task>        mExecuteArray;
+  private int                      mSize;
 
   private ExecutePool() {
+    mSize = Configuration.getInstance().getDownloadNum();
     mExecuteQueue = new ArrayBlockingQueue<>(mSize);
     mExecuteArray = new HashMap<>();
   }
@@ -91,6 +92,7 @@ public class ExecutePool implements IPool {
       }
       mExecuteQueue = temp;
       mSize = downloadNum;
+      Configuration.getInstance().setDownloadNum(mSize);
     } catch (InterruptedException e) {
       e.printStackTrace();
     }

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

@@ -24,6 +24,7 @@ import com.arialyy.aria.core.DownloadEntity;
 import com.arialyy.aria.core.task.Task;
 import com.arialyy.aria.core.queue.pool.ExecutePool;
 import com.arialyy.aria.core.queue.DownloadTaskQueue;
+import com.arialyy.aria.util.Configuration;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
@@ -67,10 +68,6 @@ public class DownloadSchedulers implements IDownloadSchedulers {
   private static final    String             TAG      = "DownloadSchedulers";
   private static final    Object             LOCK     = new Object();
   private static volatile DownloadSchedulers INSTANCE = null;
-  /**
-   * 下载失败次数
-   */
-  int mFailNum = 10;
 
   /**
    * 超时时间
@@ -108,7 +105,7 @@ public class DownloadSchedulers implements IDownloadSchedulers {
       case STOP:
       case CANCEL:
         mQueue.removeTask(entity);
-        if (mQueue.size() != ExecutePool.mSize) {
+        if (mQueue.size() != Configuration.getInstance().getDownloadNum()) {
           startNextTask(entity);
         }
         break;
@@ -178,11 +175,12 @@ public class DownloadSchedulers implements IDownloadSchedulers {
    * @param entity 失败实体
    */
   @Override public void handleFailTask(DownloadEntity entity) {
-    if (entity.getFailNum() <= mFailNum) {
+    final Configuration config = Configuration.getInstance();
+    if (entity.getFailNum() <= config.getReTryNum()) {
       Task task = mQueue.getTask(entity);
       mQueue.reTryStart(task);
       try {
-        Thread.currentThread().sleep(4000);
+        Thread.currentThread().sleep(config.getReTryInterval());
       } catch (InterruptedException e) {
         e.printStackTrace();
       }
@@ -227,12 +225,4 @@ public class DownloadSchedulers implements IDownloadSchedulers {
     }
     mSchedulerListeners.remove(target.getClass().getName());
   }
-
-  public void setFailNum(int mFailNum) {
-    this.mFailNum = mFailNum;
-  }
-
-  public void setTimeOut(long timeOut) {
-    this.mTimeOut = timeOut;
-  }
 }

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

@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-
 package com.arialyy.aria.orm;
 
 import android.support.annotation.NonNull;
@@ -46,6 +45,14 @@ public class DbEntity {
     return util.findAllData(clazz);
   }
 
+  /**
+   * 查询第一条数据
+   */
+  public static <T extends DbEntity> T findFirst(Class<T> clazz) {
+    List<T> list = findAllData(clazz);
+    return (list == null || list.size() == 0) ? null : list.get(0);
+  }
+
   /**
    * 查询一组数据
    *

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

@@ -16,6 +16,8 @@
 
 package com.arialyy.aria.util;
 
+import android.content.Context;
+import android.content.SharedPreferences;
 import android.util.Log;
 import com.arialyy.aria.core.command.CmdFactory;
 import com.arialyy.aria.core.DownloadEntity;
@@ -44,6 +46,33 @@ public class CommonUtil {
     return CmdFactory.getInstance().createCmd(entity, cmd);
   }
 
+  /**
+   * 存储字符串到配置文件
+   *
+   * @param preName 配置文件名
+   * @param key 存储的键值
+   * @param value 需要存储的字符串
+   * @return 成功标志
+   */
+  public static Boolean putString(String preName, Context context, String key, String value) {
+    SharedPreferences        pre    = context.getSharedPreferences(preName, Context.MODE_PRIVATE);
+    SharedPreferences.Editor editor = pre.edit();
+    editor.putString(key, value);
+    return editor.commit();
+  }
+
+  /**
+   * 从配置文件读取字符串
+   *
+   * @param preName 配置文件名
+   * @param key 字符串键值
+   * @return 键值对应的字符串, 默认返回""
+   */
+  public static String getString(String preName, Context context, String key) {
+    SharedPreferences pre = context.getSharedPreferences(preName, Context.MODE_PRIVATE);
+    return pre.getString(key, "");
+  }
+
   /**
    * 获取类里面的所在字段
    */

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

@@ -0,0 +1,189 @@
+package com.arialyy.aria.util;
+
+import android.util.Log;
+import com.arialyy.aria.core.DownloadManager;
+import java.io.File;
+import java.io.IOException;
+import java.util.Map;
+import java.util.Properties;
+import java.util.Set;
+import java.util.WeakHashMap;
+
+/**
+ * Created by AriaL on 2016/12/8.
+ * 信息配置
+ */
+public class Configuration {
+  private static final String TAG               = "Configuration";
+  private static final String CONFIG_FILE       = "/Aria/ADConfig.properties";
+  /**
+   * 当前调度器最大下载数，默认最大下载数为 “2”
+   */
+  private static final String DOWNLOAD_NUM      = "DOWNLOAD_NUM";
+  /**
+   * 失败重试次数，默认最多重试 10 次
+   */
+  private static final String RE_TRY_NUM        = "RE_TRY_NUM";
+  /**
+   * 是否打开下载广播，默认 false
+   */
+  private static final String OPEN_BROADCAST    = "OPEN_BROADCAST";
+  /**
+   * 失败重试间隔时间，默认 4000 ms
+   */
+  private static final String RE_TRY_INTERVAL   = "RE_TRY_INTERVAL";
+  /**
+   * 超时时间，默认 10000 ms
+   */
+  private static final String DOWNLOAD_TIME_OUT = "DOWNLOAD_TIME_OUT";
+
+  private static       Configuration INSTANCE    = null;
+  private              File          mConfigFile = null;
+  private static final Object        LOCK        = new Object();
+
+  public static Configuration getInstance() {
+    if (INSTANCE == null) {
+      synchronized (LOCK) {
+        INSTANCE = new Configuration();
+      }
+    }
+    return INSTANCE;
+  }
+
+  private Configuration() {
+    mConfigFile = new File(DownloadManager.APP.getFilesDir().getPath() + CONFIG_FILE);
+    try {
+      if (!mConfigFile.exists()) {
+        mConfigFile.getParentFile().mkdirs();
+        mConfigFile.createNewFile();
+        init();
+      }
+    } catch (IOException e) {
+      e.printStackTrace();
+    }
+  }
+
+  private void init() {
+    Map<String, String> config = new WeakHashMap<>();
+    config.put(DOWNLOAD_NUM, 2 + "");
+    config.put(RE_TRY_NUM, 10 + "");
+    config.put(OPEN_BROADCAST, false + "");
+    config.put(RE_TRY_INTERVAL, 4000 + "");
+    config.put(DOWNLOAD_TIME_OUT, 10000 + "");
+    saveConfig(config);
+  }
+
+  private void saveConfig(Map<String, String> config) {
+    if (config == null || config.size() == 0) {
+      return;
+    }
+    Properties  properties = CommonUtil.loadConfig(mConfigFile);
+    Set<String> keys       = config.keySet();
+    for (String key : keys) {
+      properties.setProperty(key, config.get(key));
+    }
+    CommonUtil.saveConfig(mConfigFile, properties);
+  }
+
+  private void save(String key, String value) {
+    Map<String, String> map = new WeakHashMap<>();
+    map.put(key, value);
+    saveConfig(map);
+  }
+
+  /**
+   * 获取下载超时时间
+   *
+   * @return 默认4000ms
+   */
+  public int getTimeOut() {
+    return Integer.parseInt(CommonUtil.loadConfig(mConfigFile).getProperty(DOWNLOAD_TIME_OUT));
+  }
+
+  /**
+   * 设置重试间隔
+   */
+  public void setTimeOut(int timeOut) {
+    if (timeOut < 10000) {
+      Log.w(TAG, "下载超时时间不能小于 10000 ms");
+      return;
+    }
+    save(DOWNLOAD_TIME_OUT, timeOut + "");
+  }
+
+  /**
+   * 获取失败重试间隔时间
+   *
+   * @return 默认4000ms
+   */
+  public int getReTryInterval() {
+    return Integer.parseInt(CommonUtil.loadConfig(mConfigFile).getProperty(RE_TRY_INTERVAL));
+  }
+
+  /**
+   * 设置重试间隔
+   */
+  public void setReTryreTryInterval(int reTryInterval) {
+    if (reTryInterval < 4000) {
+      Log.w(TAG, "重试间隔不能小于4000ms");
+      return;
+    }
+    save(RE_TRY_INTERVAL, reTryInterval + "");
+  }
+
+  /**
+   * 获取最大下载数
+   *
+   * @return 默认返回2
+   */
+  public int getDownloadNum() {
+    return Integer.parseInt(CommonUtil.loadConfig(mConfigFile).getProperty(DOWNLOAD_NUM));
+  }
+
+  /**
+   * 设置最大下载数
+   */
+  public void setDownloadNum(int downloadNum) {
+    if (downloadNum < 1) {
+      Log.w(TAG, "最大下载数不能小于1");
+      return;
+    }
+    save(DOWNLOAD_NUM, downloadNum + "");
+  }
+
+  /**
+   * 获取最大重试数
+   *
+   * @return 默认返回 10
+   */
+  public int getReTryNum() {
+    return Integer.parseInt(CommonUtil.loadConfig(mConfigFile).getProperty(RE_TRY_NUM));
+  }
+
+  /**
+   * 设置重试数
+   */
+  public void setReTryNum(int reTryNum) {
+    if (reTryNum < 1) {
+      Log.w(TAG, "最大下载数不能小于1");
+      return;
+    }
+    save(RE_TRY_NUM, reTryNum + "");
+  }
+
+  /**
+   * 是否打开下载广播
+   *
+   * @return 默认false
+   */
+  public boolean isOpenBroadcast() {
+    return Boolean.parseBoolean(CommonUtil.loadConfig(mConfigFile).getProperty(RE_TRY_NUM));
+  }
+
+  /**
+   * 设置是否打开下载广播
+   */
+  public void setOpenBroadcast(boolean openBroadcast) {
+    save(OPEN_BROADCAST, openBroadcast + "");
+  }
+}

app/src/main/java/com/arialyy/simple/adapter/DownloadAdapter.java

@@ -147,7 +147,7 @@ public class DownloadAdapter extends AbsRVAdapter<DownloadEntity, DownloadAdapte
   }
 
   public void setDownloadNum(int num) {
-    Aria.get(getContext()).setDownloadNum(num);
+    Aria.get(getContext()).setMaxDownloadNum(num);
   }
 
   private String covertCurrentSize(long currentSize) {

app/src/main/java/com/arialyy/simple/base/BaseApplication.java

@@ -28,6 +28,6 @@ public class BaseApplication extends Application {
   @Override public void onCreate() {
     super.onCreate();
     AbsFrame.init(this);
-    DownloadManager.init(this);
+    //DownloadManager.init(this);
   }
 }