Android Open Source - JiangHomeStyle_Android_Phone Async Down Task

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Back to project page JiangHomeStyle_Android_Phone.

License

The source code is released under:

Apache License

Java Source Code

package com.cidesign.jianghomestylephone.async;
/* w w  w .  ja va2 s .  co  m*/
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;

import com.androidquery.AQuery;
import com.cidesign.jianghomestylephone.db.DatabaseHelper;
import com.cidesign.jianghomestylephone.entity.ArticleEntity;
import com.cidesign.jianghomestylephone.entity.FileListEntity;
import com.cidesign.jianghomestylephone.http.DownLoadThread;
import com.cidesign.jianghomestylephone.service.DownloadService;
import com.j256.ormlite.dao.RuntimeExceptionDao;

import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;
import android.util.Log;

public class AsyncDownTask extends AsyncTask<List<FileListEntity>, Void, Integer>
{
  private static final String TAG = AsyncDownTask.class.getSimpleName();
  private final int SUCCESS = 1;
  private final int FAILURE = 0;
  private Context ctx;
  private RuntimeExceptionDao<FileListEntity, Integer> fileDao = null;
  private RuntimeExceptionDao<ArticleEntity, Integer> articleDao = null;
  private DatabaseHelper dbHelper;

  public AsyncDownTask(Context ctx, DatabaseHelper dbHelper)
  {
    this.ctx = ctx;
    this.dbHelper = dbHelper;
  }

  @Override
  protected void onPreExecute()
  {

  }

  @Override
  protected Integer doInBackground(List<FileListEntity>... params)
  {
    fileDao = dbHelper.getFileListDataDao();
    articleDao = dbHelper.getArticleListDataDao();

    List<FileListEntity> listFile = params[0];
    ExecutorService service = Executors.newFixedThreadPool(3);

    for (FileListEntity flEntity : listFile)
    {
      service.execute(new DownLoadThread(ctx,fileDao, articleDao, flEntity));
    }
    // ??????????
    service.shutdown();

    try
    {
      while (!service.awaitTermination(1, TimeUnit.SECONDS))
      {
        return SUCCESS;
      }
    }
    catch (InterruptedException e)
    {
      e.printStackTrace();
    }
    return FAILURE;
  }

  @Override
  protected void onPostExecute(Integer result)
  {
    if (result == SUCCESS)
    {
      Intent intent = new Intent(ctx, DownloadService.class);
      ctx.stopService(intent);
    }
  }
}

Java Source Code List

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