控制命令

downloadutil/src/main/java/com/arialyy/downloadutil/core/DownloadTarget.java

@@ -15,26 +15,31 @@ public class DownloadTarget extends IDownloadTarget {
     private static volatile DownloadTarget INSTANCE = null;
     private Context mContext;
 
-    public static DownloadTarget getInstance() {
+    public static DownloadTarget getInstance(Context context) {
+//        if (INSTANCE == null) {
+//            Log.e(TAG, "请在Application中调用DownloadTarget.init()方法注册下载器");
+//            return null;
+//        }
         if (INSTANCE == null) {
-            Log.e(TAG, "请在Application中调用DownloadTarget.init()方法注册下载器");
+            synchronized (LOCK) {
-            return null;
+                INSTANCE = new DownloadTarget(context.getApplicationContext());
+            }
         }
         return INSTANCE;
     }
-
+//
-    /**
+//    /**
-     * 初始化下载器
+//     * 初始化下载器
-     *
+//     *
-     * @param context 全局Context
+//     * @param context 全局Context
-     */
+//     */
-    public static void init(Context context) {
+//    public static void init(Context context) {
-        if (INSTANCE == null) {
+//        if (INSTANCE == null) {
-            synchronized (LOCK) {
+//            synchronized (LOCK) {
-                INSTANCE = new DownloadTarget(context);
+//                INSTANCE = new DownloadTarget(context.getApplicationContext());
-            }
+//            }
-        }
+//        }
-    }
+//    }
 
     private DownloadTarget() {
         super();

downloadutil/src/main/java/com/arialyy/downloadutil/core/command/AddCommand.java

@@ -0,0 +1,18 @@
+package com.arialyy.downloadutil.core.command;
+
+import com.arialyy.downloadutil.core.IDownloadTarget;
+
+/**
+ * Created by lyy on 2016/8/22.
+ * 添加任务的命令
+ */
+public class AddCommand extends IDownloadCommand {
+    public AddCommand(IDownloadTarget target) {
+        super(target);
+    }
+
+    @Override
+    public void executeComment() {
+
+    }
+}

downloadutil/src/main/java/com/arialyy/downloadutil/core/command/IDownloadCommand.java

@@ -0,0 +1,34 @@
+package com.arialyy.downloadutil.core.command;
+
+import com.arialyy.downloadutil.core.DownloadTarget;
+import com.arialyy.downloadutil.core.IDownloadTarget;
+
+import java.util.List;
+
+/**
+ * Created by lyy on 2016/8/22.
+ * 下载命令
+ */
+public abstract class IDownloadCommand {
+    private IDownloadTarget target;
+
+    public IDownloadCommand(IDownloadTarget target) {
+        this.target = target;
+    }
+
+    /**
+     * 执行命令
+     */
+    public abstract void executeComment();
+
+    /**
+     * 设置下载器
+     *
+     * @param downloadTarget {@link IDownloadTarget}
+     */
+    public void setDownloadTarget(IDownloadTarget downloadTarget) {
+        target = downloadTarget;
+    }
+
+
+}

downloadutil/src/main/java/com/arialyy/downloadutil/core/command/StartCommand.java

@@ -0,0 +1,18 @@
+package com.arialyy.downloadutil.core.command;
+
+import com.arialyy.downloadutil.core.IDownloadTarget;
+
+/**
+ * Created by lyy on 2016/8/22.
+ * 开始命令
+ */
+public class StartCommand extends IDownloadCommand{
+    public StartCommand(IDownloadTarget target) {
+        super(target);
+    }
+
+    @Override
+    public void executeComment() {
+
+    }
+}