添加单任务下载功能

app/src/main/java/com/arialyy/simple/activity/SingleTaskActivity.java

@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
-
 package com.arialyy.simple.activity;
 
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
+import android.content.IntentFilter;
 import android.os.Bundle;
 import android.os.Environment;
 import android.os.Handler;
@@ -35,6 +35,8 @@ import com.arialyy.downloadutil.core.DownloadEntity;
 import com.arialyy.downloadutil.core.DownloadManager;
 import com.arialyy.downloadutil.core.command.CmdFactory;
 import com.arialyy.downloadutil.core.command.IDownloadCmd;
+import com.arialyy.downloadutil.core.scheduler.OnSchedulerListener;
+import com.arialyy.downloadutil.core.task.Task;
 import com.arialyy.downloadutil.orm.DbEntity;
 import com.arialyy.downloadutil.util.CommonUtil;
 import com.arialyy.frame.util.show.L;
@@ -46,12 +48,13 @@ import java.util.ArrayList;
 import java.util.List;
 
 public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
-  private static final int DOWNLOAD_PRE      = 0x01;
+  public static final int DOWNLOAD_PRE = 0x01;
-  private static final int DOWNLOAD_STOP     = 0x02;
+  public static final int DOWNLOAD_STOP = 0x02;
-  private static final int DOWNLOAD_FAILE    = 0x03;
+  public static final int DOWNLOAD_FAILE = 0x03;
-  private static final int DOWNLOAD_CANCEL   = 0x04;
+  public static final int DOWNLOAD_CANCEL = 0x04;
-  private static final int DOWNLOAD_RESUME   = 0x05;
+  public static final int DOWNLOAD_RESUME = 0x05;
-  private static final int DOWNLOAD_COMPLETE = 0x06;
+  public static final int DOWNLOAD_COMPLETE = 0x06;
+  public static final int DOWNLOAD_RUNNING = 0x07;
   private ProgressBar mPb;
   private String mDownloadUrl =
       "http://static.gaoshouyou.com/d/12/0d/7f120f50c80d2e7b8c4ba24ece4f9cdd.apk";
@@ -61,11 +64,15 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
   private CmdFactory mFactory;
   private DownloadManager mManager;
   private DownloadEntity mEntity;
+  private BroadcastReceiver mReceiver;
 
   private Handler mUpdateHandler = new Handler() {
     @Override public void handleMessage(Message msg) {
       super.handleMessage(msg);
       switch (msg.what) {
+        case DOWNLOAD_RUNNING:
+          mPb.setProgress((Integer) msg.obj);
+          break;
         case DOWNLOAD_PRE:
           mSize.setText(CommonUtil.formatFileSize((Long) msg.obj));
           setBtState(false);
@@ -86,8 +93,9 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
           setBtState(true);
           break;
         case DOWNLOAD_RESUME:
-          Toast.makeText(SingleTaskActivity.this,
+          //Toast.makeText(SingleTaskActivity.this,
-              "恢复下载，恢复位置 ==> " + CommonUtil.formatFileSize((Long) msg.obj), Toast.LENGTH_SHORT).show();
+          //    "恢复下载，恢复位置 ==> " + CommonUtil.formatFileSize((Long) msg.obj), Toast.LENGTH_SHORT)
+          //    .show();
           setBtState(false);
           break;
         case DOWNLOAD_COMPLETE:
@@ -108,51 +116,6 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
     mStop.setEnabled(!state);
   }
 
-  private BroadcastReceiver mReceiver = new BroadcastReceiver() {
-    long len = 0;
-
-    @Override public void onReceive(Context context, Intent intent) {
-      String action = intent.getAction();
-      switch (action) {
-        case DownloadManager.ACTION_POST_PRE:
-          DownloadEntity entity = intent.getParcelableExtra(DownloadManager.ENTITY);
-          len = entity.getFileSize();
-          L.d(TAG, "download pre");
-          mUpdateHandler.obtainMessage(DOWNLOAD_PRE, len).sendToTarget();
-          break;
-        case DownloadManager.ACTION_START:
-          L.d(TAG, "download start");
-          break;
-        case DownloadManager.ACTION_RESUME:
-          L.d(TAG, "download resume");
-          long location = intent.getLongExtra(DownloadManager.CURRENT_LOCATION, 1);
-          mUpdateHandler.obtainMessage(DOWNLOAD_RESUME, location).sendToTarget();
-          break;
-        case DownloadManager.ACTION_RUNNING:
-          long current = intent.getLongExtra(DownloadManager.CURRENT_LOCATION, 0);
-          if (len == 0) {
-            mPb.setProgress(0);
-          } else {
-            mPb.setProgress((int) ((current * 100) / len));
-          }
-          break;
-        case DownloadManager.ACTION_STOP:
-          L.d(TAG, "download stop");
-          mUpdateHandler.sendEmptyMessage(DOWNLOAD_STOP);
-          break;
-        case DownloadManager.ACTION_COMPLETE:
-          mUpdateHandler.sendEmptyMessage(DOWNLOAD_COMPLETE);
-          break;
-        case DownloadManager.ACTION_CANCEL:
-          mUpdateHandler.sendEmptyMessage(DOWNLOAD_CANCEL);
-          break;
-        case DownloadManager.ACTION_FAIL:
-          mUpdateHandler.sendEmptyMessage(DOWNLOAD_FAILE);
-          break;
-      }
-    }
-  };
-
   @Override protected void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
     init();
@@ -160,12 +123,14 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
 
   @Override protected void onResume() {
     super.onResume();
-    registerReceiver(mReceiver, getModule(DownloadModule.class).getDownloadFilter());
+    //IntentFilter filter = getModule(DownloadModule.class).getDownloadFilter();
+    //mReceiver = getModule(DownloadModule.class).createReceiver(mUpdateHandler);
+    //registerReceiver(mReceiver, filter);
   }
 
   @Override protected void onDestroy() {
     super.onDestroy();
-    unregisterReceiver(mReceiver);
+    //unregisterReceiver(mReceiver);
   }
 
   @Override protected int setLayoutId() {
@@ -200,13 +165,21 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
       }
     } else {
       mEntity = new DownloadEntity();
+      mEntity.setFileName("test.apk");
+      mEntity.setDownloadUrl(mDownloadUrl);
+      mEntity.setDownloadPath(Environment.getExternalStorageDirectory().getPath() + "/test.apk");
     }
   }
 
   public void onClick(View view) {
     switch (view.getId()) {
       case R.id.start:
+        String text = ((TextView) view).getText().toString();
+        if (text.equals("重新开始？") || text.equals("开始")) {
           start();
+        }else if (text.equals("恢复")){
+          resume();
+        }
         break;
       case R.id.stop:
         stop();
@@ -217,16 +190,57 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
     }
   }
 
+  private void resume(){
+    IDownloadCmd startCmd = mFactory.createCmd(mEntity, CmdFactory.TASK_START);
+    mManager.setCmd(startCmd).exe();
+    mUpdateHandler.obtainMessage(DOWNLOAD_RESUME, mEntity.getCurrentProgress()).sendToTarget();
+  }
+
   private void start() {
     mEntity.setFileName("test.apk");
     mEntity.setDownloadUrl(mDownloadUrl);
     mEntity.setDownloadPath(Environment.getExternalStorageDirectory().getPath() + "/test.apk");
-    List<IDownloadCmd> commands = new ArrayList<>();
+    //List<IDownloadCmd> commands = new ArrayList<>();
-    IDownloadCmd       addCMD   = mFactory.createCmd(mEntity, CmdFactory.TASK_CREATE);
+    //IDownloadCmd addCMD = mFactory.createCmd(mEntity, CmdFactory.TASK_CREATE);
-    IDownloadCmd       startCmd = mFactory.createCmd(mEntity, CmdFactory.TASK_START);
+    //IDownloadCmd startCmd = mFactory.createCmd(mEntity, CmdFactory.TASK_START);
-    commands.add(addCMD);
+    //commands.add(addCMD);
-    commands.add(startCmd);
+    //commands.add(startCmd);
-    mManager.setCmds(commands).exe();
+    //mManager.setCmds(commands).exe();
+    mManager.setCmd(CmdFactory.getInstance().createCmd(mEntity, CmdFactory.TASK_SINGLE))
+        .regSchedulerListener(new OnSchedulerListener() {
+          @Override public void onTaskStart(Task task) {
+            mUpdateHandler.obtainMessage(DOWNLOAD_PRE, task.getDownloadEntity().getFileSize())
+                .sendToTarget();
+          }
+
+          @Override public void onTaskStop(Task task) {
+            mUpdateHandler.sendEmptyMessage(DOWNLOAD_STOP);
+          }
+
+          @Override public void onTaskCancel(Task task) {
+            mUpdateHandler.sendEmptyMessage(DOWNLOAD_CANCEL);
+          }
+
+          @Override public void onTaskFail(Task task) {
+            mUpdateHandler.sendEmptyMessage(DOWNLOAD_FAILE);
+          }
+
+          @Override public void onTaskComplete(Task task) {
+            mUpdateHandler.sendEmptyMessage(DOWNLOAD_COMPLETE);
+          }
+
+          @Override public void onTaskRunning(Task task) {
+            //L.d(TAG, task.getDownloadEntity().getCurrentProgress() + "");
+            long current = task.getDownloadEntity().getCurrentProgress();
+            long len = task.getDownloadEntity().getFileSize();
+            if (len == 0) {
+              mPb.setProgress(0);
+            } else {
+              mPb.setProgress((int) ((current * 100) / len));
+            }
+          }
+        })
+        .exe();
   }
 
   private void stop() {

app/src/main/java/com/arialyy/simple/module/DownloadModule.java

@@ -17,15 +17,20 @@
 
 package com.arialyy.simple.module;
 
+import android.content.BroadcastReceiver;
 import android.content.Context;
+import android.content.Intent;
 import android.content.IntentFilter;
 import android.os.Environment;
+import android.os.Handler;
 import com.arialyy.downloadutil.core.DownloadEntity;
 import com.arialyy.downloadutil.core.DownloadManager;
 import com.arialyy.downloadutil.util.CommonUtil;
 import com.arialyy.frame.util.AndroidUtils;
 import com.arialyy.frame.util.StringUtil;
+import com.arialyy.frame.util.show.L;
 import com.arialyy.simple.R;
+import com.arialyy.simple.activity.SingleTaskActivity;
 import com.arialyy.simple.base.BaseModule;
 import java.io.File;
 import java.util.ArrayList;
@@ -114,6 +119,54 @@ public class DownloadModule extends BaseModule {
     return filter;
   }
 
+  /**
+   * 创建Receiver
+   */
+  public BroadcastReceiver createReceiver(final Handler handler){
+
+    return new BroadcastReceiver() {
+      long len = 0;
+
+      @Override public void onReceive(Context context, Intent intent) {
+        String action = intent.getAction();
+        switch (action) {
+          case DownloadManager.ACTION_POST_PRE:
+            DownloadEntity entity = intent.getParcelableExtra(DownloadManager.ENTITY);
+            len = entity.getFileSize();
+            L.d(TAG, "download pre");
+            handler.obtainMessage(SingleTaskActivity.DOWNLOAD_PRE, len).sendToTarget();
+            break;
+          case DownloadManager.ACTION_START:
+            L.d(TAG, "download start");
+            break;
+          case DownloadManager.ACTION_RESUME:
+            L.d(TAG, "download resume");
+            long location = intent.getLongExtra(DownloadManager.CURRENT_LOCATION, 1);
+            handler.obtainMessage(SingleTaskActivity.DOWNLOAD_RESUME, location).sendToTarget();
+            break;
+          case DownloadManager.ACTION_RUNNING:
+            long current = intent.getLongExtra(DownloadManager.CURRENT_LOCATION, 0);
+            int progress = len ==0 ? 0 : (int) ((current * 100) / len);
+            handler.obtainMessage(SingleTaskActivity.DOWNLOAD_RUNNING, progress).sendToTarget();
+            break;
+          case DownloadManager.ACTION_STOP:
+            L.d(TAG, "download stop");
+            handler.sendEmptyMessage(SingleTaskActivity.DOWNLOAD_STOP);
+            break;
+          case DownloadManager.ACTION_COMPLETE:
+            handler.sendEmptyMessage(SingleTaskActivity.DOWNLOAD_COMPLETE);
+            break;
+          case DownloadManager.ACTION_CANCEL:
+            handler.sendEmptyMessage(SingleTaskActivity.DOWNLOAD_CANCEL);
+            break;
+          case DownloadManager.ACTION_FAIL:
+            handler.sendEmptyMessage(SingleTaskActivity.DOWNLOAD_FAILE);
+            break;
+        }
+      }
+    };
+  }
+
   /**
    * 设置下载队列
    */

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

@@ -116,8 +116,9 @@ public class DownloadEntity extends DbEntity implements Parcelable {
     return fileName;
   }
 
-  public void setFileName(String fileName) {
+  public DownloadEntity setFileName(String fileName) {
     this.fileName = fileName;
+    return this;
   }
 
   public int getFailNum() {
@@ -132,8 +133,9 @@ public class DownloadEntity extends DbEntity implements Parcelable {
     return downloadUrl;
   }
 
-  public void setDownloadUrl(String downloadUrl) {
+  public DownloadEntity setDownloadUrl(String downloadUrl) {
     this.downloadUrl = downloadUrl;
+    return this;
   }
 
   public long getCompleteTime() {
@@ -148,8 +150,9 @@ public class DownloadEntity extends DbEntity implements Parcelable {
     return downloadPath;
   }
 
-  public void setDownloadPath(String downloadPath) {
+  public DownloadEntity setDownloadPath(String downloadPath) {
     this.downloadPath = downloadPath;
+    return this;
   }
 
   public long getFileSize() {

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

@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-
 package com.arialyy.downloadutil.core;
 
 import android.app.Application;
@@ -23,6 +22,7 @@ import android.util.Log;
 import com.arialyy.downloadutil.core.command.IDownloadCmd;
 import com.arialyy.downloadutil.core.queue.ITaskQueue;
 import com.arialyy.downloadutil.core.queue.DownloadTaskQueue;
+import com.arialyy.downloadutil.core.scheduler.OnSchedulerListener;
 import com.arialyy.downloadutil.orm.DbEntity;
 import com.arialyy.downloadutil.orm.DbUtil;
 import java.util.ArrayList;
@@ -87,6 +87,7 @@ public class DownloadManager {
   private List<IDownloadCmd> mCommands = new ArrayList<>();
   private Context mContext;
   private ITaskQueue mTaskQueue;
+  private DownloadEntity mTempDEntity;
 
   private DownloadManager() {
 
@@ -123,6 +124,15 @@ public class DownloadManager {
     return DbEntity.findAllData(DownloadEntity.class);
   }
 
+  /**
+   * 注册
+   * @param listener
+   */
+  public DownloadManager regSchedulerListener(OnSchedulerListener listener) {
+    mTaskQueue.getDownloadSchedulers().regTargetListener(listener);
+    return this;
+  }
+
   /**
    * 获取任务队列
    */

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

@@ -44,6 +44,7 @@ public class CmdFactory {
    * 停止任务
    */
   public static final int TASK_STOP   = 0x125;
+  public static final int TASK_SINGLE   = 0x126;
 
   private static final    Object     LOCK     = new Object();
   private static volatile CmdFactory INSTANCE = null;
@@ -77,11 +78,14 @@ public class CmdFactory {
         return createCancelCmd(entity);
       case TASK_STOP:
         return createStopCmd(entity);
+      case TASK_SINGLE:
+        return new SingleCmd(entity);
       default:
         return null;
     }
   }
 
+
   /**
    * 创建停止命令
    *

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

@@ -0,0 +1,28 @@
+package com.arialyy.downloadutil.core.command;
+
+import android.util.Log;
+import com.arialyy.downloadutil.core.DownloadEntity;
+import com.arialyy.downloadutil.core.task.Task;
+
+/**
+ * Created by lyy on 2016/11/30.
+ * 获取任务状态命令
+ */
+class SingleCmd extends IDownloadCmd {
+  /**
+   * @param entity 下载实体
+   */
+  SingleCmd(DownloadEntity entity) {
+    super(entity);
+  }
+
+  @Override public void executeCmd() {
+    Task task = mQueue.getTask(mEntity);
+    if (task == null) {
+      task = mQueue.createTask(mEntity);
+    } else {
+      Log.w(TAG, "添加命令执行失败，【该任务已经存在】");
+    }
+    mQueue.startTask(task);
+  }
+}

downloadutil/src/main/java/com/arialyy/downloadutil/core/queue/DownloadTaskQueue.java

@@ -111,6 +111,10 @@ public class DownloadTaskQueue implements ITaskQueue {
     }
   }
 
+  @Override public IDownloadSchedulers getDownloadSchedulers() {
+    return mSchedulers;
+  }
+
   @Override public int size() {
     return mExecutePool.size();
   }

downloadutil/src/main/java/com/arialyy/downloadutil/core/queue/ITaskQueue.java

@@ -26,6 +26,11 @@ import com.arialyy.downloadutil.core.task.Task;
  */
 public interface ITaskQueue extends IDownloader {
 
+  /**
+   * 获取调度器
+   */
+  public IDownloadSchedulers getDownloadSchedulers();
+
   /**
    * 任务池队列大小
    */

downloadutil/src/main/java/com/arialyy/downloadutil/core/scheduler/DownloadSchedulers.java

@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-
 package com.arialyy.downloadutil.core.scheduler;
 
 import android.os.Message;
@@ -50,6 +49,10 @@ public class DownloadSchedulers implements IDownloadSchedulers {
    * 任务完成
    */
   public static final int COMPLETE = 5;
+  /**
+   * 下载中
+   */
+  public static final int RUNNING = 6;
   private static final String TAG = "DownloadSchedulers";
   private static final Object LOCK = new Object();
   private static volatile DownloadSchedulers INSTANCE = null;
@@ -66,7 +69,7 @@ public class DownloadSchedulers implements IDownloadSchedulers {
   /**
    * 下载器任务监听
    */
-  OnTargetListener mTargetListener;
+  OnSchedulerListener mTargetListener;
   ITaskQueue mQueue;
 
   public DownloadSchedulers(ITaskQueue downloadTaskQueue) {
@@ -116,6 +119,9 @@ public class DownloadSchedulers implements IDownloadSchedulers {
     if (mTargetListener != null) {
       Task task = mQueue.getTask(entity);
       switch (state) {
+        case RUNNING:
+          mTargetListener.onTaskRunning(task);
+          break;
         case START:
           mTargetListener.onTaskStart(task);
           break;
@@ -166,15 +172,14 @@ public class DownloadSchedulers implements IDownloadSchedulers {
     }
   }
 
-  /**
+  @Override public void regTargetListener(OnSchedulerListener targetListener) {
-   * 设置下载器监听
-   *
-   * @param targetListener {@link OnTargetListener}
-   */
-  public void setOnTargetListener(OnTargetListener targetListener) {
     this.mTargetListener = targetListener;
   }
 
+  @Override public void unRegTargetListener(OnSchedulerListener targetListener) {
+    mTargetListener = null;
+  }
+
   public void setFailNum(int mFailNum) {
     this.mFailNum = mFailNum;
   }
@@ -182,34 +187,4 @@ public class DownloadSchedulers implements IDownloadSchedulers {
   public void setTimeOut(long timeOut) {
     this.mTimeOut = timeOut;
   }
-
-  /**
-   * Target处理任务监听
-   */
-  public interface OnTargetListener {
-    /**
-     * 任务开始
-     */
-    public void onTaskStart(Task task);
-
-    /**
-     * 任务停止
-     */
-    public void onTaskStop(Task task);
-
-    /**
-     * 任务取消
-     */
-    public void onTaskCancel(Task task);
-
-    /**
-     * 任务下载失败
-     */
-    public void onTaskFail(Task task);
-
-    /**
-     * 任务完成
-     */
-    public void onTaskComplete(Task task);
-  }
 }

downloadutil/src/main/java/com/arialyy/downloadutil/core/scheduler/IDownloadSchedulers.java

@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-
 package com.arialyy.downloadutil.core.scheduler;
 
 import android.os.Handler;
@@ -26,6 +25,18 @@ import com.arialyy.downloadutil.core.DownloadEntity;
  */
 public interface IDownloadSchedulers extends Handler.Callback {
 
+  /**
+   * 注册下载器监听
+   *
+   * @param targetListener {@link OnSchedulerListener}
+   */
+  public void regTargetListener(OnSchedulerListener targetListener);
+
+  /**
+   * 取消注册监听器
+   */
+  public void unRegTargetListener(OnSchedulerListener targetListener);
+
   /**
    * 处理下载任务下载失败的情形
    *

downloadutil/src/main/java/com/arialyy/downloadutil/core/scheduler/OnSchedulerListener.java

@@ -0,0 +1,38 @@
+package com.arialyy.downloadutil.core.scheduler;
+
+import com.arialyy.downloadutil.core.task.Task;
+
+/**
+ * Target处理任务监听
+ */
+public interface OnSchedulerListener {
+  /**
+   * 任务开始
+   */
+  public void onTaskStart(Task task);
+
+  /**
+   * 任务停止
+   */
+  public void onTaskStop(Task task);
+
+  /**
+   * 任务取消
+   */
+  public void onTaskCancel(Task task);
+
+  /**
+   * 任务下载失败
+   */
+  public void onTaskFail(Task task);
+
+  /**
+   * 任务完成
+   */
+  public void onTaskComplete(Task task);
+
+  /**
+   * 任务执行中
+   */
+  public void onTaskRunning(Task task);
+}

downloadutil/src/main/java/com/arialyy/downloadutil/core/task/Task.java

@@ -257,6 +257,7 @@ public class Task {
         }
         downloadEntity.setCurrentProgress(currentLocation);
         lastLen = currentLocation;
+        sendInState2Target(DownloadSchedulers.RUNNING);
         context.sendBroadcast(sendIntent);
       }
     }

downloadutil/src/main/java/com/arialyy/downloadutil/util/CheckUtil.java

@@ -17,10 +17,8 @@
 
 package com.arialyy.downloadutil.util;
 
-import android.content.res.Resources;
 import android.text.TextUtils;
 import android.util.Log;
-import com.arialyy.downloadutil.R;
 import com.arialyy.downloadutil.core.DownloadEntity;
 import java.io.File;
 
@@ -39,16 +37,16 @@ public class CheckUtil {
    */
   public static boolean checkDownloadEntity(DownloadEntity entity) {
     if (entity == null) {
-      Log.w(TAG, Resources.getSystem().getString(R.string.error_entity_null));
+      Log.w(TAG, "下载实体不能为空");
       return false;
     } else if (TextUtils.isEmpty(entity.getDownloadUrl())) {
-      Log.w(TAG, Resources.getSystem().getString(R.string.error_download_url_null));
+      Log.w(TAG, "下载链接不能为空");
       return false;
     } else if (TextUtils.isEmpty(entity.getFileName())) {
-      Log.w(TAG, Resources.getSystem().getString(R.string.error_file_name_null));
+      Log.w(TAG, "文件名不能为空");
       return false;
     } else if (TextUtils.isEmpty(entity.getDownloadPath())) {
-      Log.w(TAG, Resources.getSystem().getString(R.string.error_download_path_null));
+      Log.w(TAG, "存储地址不能为空");
       return false;
     }
     String fileName = entity.getFileName();

downloadutil/src/main/java/com/arialyy/downloadutil/util/CommonUtil.java

@@ -251,6 +251,8 @@ public class CommonUtil {
   public static Properties loadConfig(File file) {
     Properties      properties = new Properties();
     FileInputStream fis        = null;
+
+
     try {
       fis = new FileInputStream(file);
       properties.load(fis);