Android Open Source - JiangHomeStyle_Android_Phone Down Load Thread

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License

The source code is released under:
Apache License
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Java Source Code

package com.cidesign.jianghomestylephone.http;
/*  w w  w .  ja va 2s.  c o m*/
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.List;

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

import com.androidquery.AQuery;
import com.androidquery.callback.AjaxCallback;
import com.androidquery.callback.AjaxStatus;
import com.cidesign.jianghomestylephone.entity.ArticleEntity;
import com.cidesign.jianghomestylephone.entity.FileListEntity;
import com.cidesign.jianghomestylephone.service.DownloadService;
import com.cidesign.jianghomestylephone.tools.FileOperationTools;
import com.cidesign.jianghomestylephone.tools.MD5Tools;
import com.cidesign.jianghomestylephone.tools.StorageUtils;
import com.cidesign.jianghomestylephone.tools.XmlParseTools;
import com.j256.ormlite.dao.RuntimeExceptionDao;

public class DownLoadThread extends Thread
{
  private static final String TAG = DownLoadThread.class.getSimpleName();

  private FileListEntity flEntity;
  private RuntimeExceptionDao<FileListEntity, Integer> fileDao = null;
  private RuntimeExceptionDao<ArticleEntity, Integer> articleDao = null;
  private Context ctx;
  
  public DownLoadThread(Context ctx,RuntimeExceptionDao<FileListEntity, Integer> fileDao,
      RuntimeExceptionDao<ArticleEntity, Integer> articleDao, FileListEntity flEntity)
  {
    this.ctx = ctx;
    this.fileDao = fileDao;
    this.articleDao = articleDao;
    this.flEntity = flEntity;
  }

  @Override
  public void run()
  {
    String address = flEntity.getUrl();
    if (address != null && !address.equals(""))
    {
      File target = new File(StorageUtils.FILE_TEMP_ROOT + flEntity.getServerID() + ".zip");

      OutputStream output = null;
      try
      {
        URL url = new URL(address);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();

        InputStream input = conn.getInputStream();
        if (!target.exists())
        {
          target.createNewFile();// ?????
          output = new FileOutputStream(target);
          // ????????
          byte[] buffer = new byte[4 * 1024];
          int count = 0;
          while ((count = input.read(buffer)) != -1)
          {
            output.write(buffer, 0, count);
          }

          output.flush();

          // ??????????????MD5?

          if (flEntity.getMd5().equals(MD5Tools.getFileMD5String(target)))
          {
            // ???????????????????
            File file = new File(StorageUtils.FILE_ROOT + flEntity.getServerID());
            if (file.isDirectory())
            {
              StorageUtils.delete(file);
            }

            // ?????????????
            FileOperationTools.unZip(StorageUtils.FILE_TEMP_ROOT + flEntity.getServerID() + ".zip",
                StorageUtils.FILE_ROOT);

            // ?????????????
            flEntity.setDownloadFlag(1);
            fileDao.update(flEntity);

            ArticleEntity articleEntity = XmlParseTools.readDocXML(StorageUtils.FILE_ROOT + "/"
                + flEntity.getServerID() + "/doc.xml");
            articleEntity.setServerID(flEntity.getServerID());
            articleEntity.setPost_date(flEntity.getTimestamp());
            if (articleEntity != null)
            {
              articleDao.createOrUpdate(articleEntity);
            }
            
            //???????????????
            Intent intent = new Intent(DownloadService.BROADCAST_UPDATE_DATA_ACTION);
            intent.putExtra("MODEL_TYPE", articleEntity.getCategory());
            intent.putExtra("serverID",articleEntity.getServerID());
            ctx.sendBroadcast(intent);
          }
          else
          {
            Log.d(TAG, "????????????????" + flEntity.getServerID());
          }
          StorageUtils.delete(target);
        }

      }
      catch (MalformedURLException e)
      {
        e.printStackTrace();
      }
      catch (IOException e)
      {
        e.printStackTrace();
      }
      finally
      {
        try
        {
          if (output != null)
          {
            output.close();
          }
        }
        catch (IOException e)
        {
          e.printStackTrace();
        }
      }
    }
  }
}
Java Source Code List
