Android Open Source - mobilecloud Map Task

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License

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

package com.fastnu.thesis.mapreduce.downloadmanager;
/*from  www. j  ava2  s.co  m*/
/**
 * Copyright (c) 2011, FAST NU and/or its affiliates. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of FAST-NU or the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * 
 * @author  Muhammad Ali
 * @author  Jawwad Shamsi
 * @version 0.1
 * @since   0.1
 */

import java.io.DataInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.net.Socket;

import android.util.Log;

import com.fastnu.thesis.Message;
import com.fastnu.thesis.MessageType;

public class MapTask {

  public void downloadMapTask(Socket socket) {
    FileOutputStream fos = null;
    try {
      Log.i(this.getClass().getSimpleName(), "Waiting for Job.....");
      ObjectInputStream fromServer = new ObjectInputStream(
          socket.getInputStream());
      Message message = (Message) fromServer.readObject();
      Log.i(this.getClass().getSimpleName(),
          "Recieve Message object for job at client side....");

      if (MessageType.MAP.equals(message.getType())) {

        File file = new File(DownloadFileConstants.DOWNLOAD_PATH);
        file.mkdirs();
        File outputFile = new File(file, DownloadFileConstants.XML_NAME);        
        fos = new FileOutputStream(outputFile);
        fos.write(message.getFileContents());
        fos.close();
        Log.i(this.getClass().getSimpleName(),
            "Client docs downloaded successfully....");
      }
    } catch (IOException e) {
      Log.e(this.getClass().getSimpleName(), e.getMessage(), e);
    } catch (ClassNotFoundException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    } finally {
      try {
        if (fos != null)
          fos.close();
      } catch (IOException e) {
        Log.e(this.getClass().getSimpleName(), e.getMessage(), e);
      }
    }
  }

  public void downloadFile(DataInputStream dataInputStream,
      String downloadLocation, String fileName) {
    FileOutputStream fos = null;
    try {
      File file = new File(downloadLocation);
      file.mkdirs();
      File outputFile = new File(file, fileName);
      fos = new FileOutputStream(outputFile);

      byte[] buffer = new byte[1024];
      int len1 = 0;
      while ((len1 = dataInputStream.read(buffer)) > 0) {
        fos.write(buffer, 0, len1);
      }
      fos.close();
      dataInputStream.close();
      buffer = null;
      Log.i(this.getClass().getSimpleName(),
          "Client docs downloaded successfully....");
    } catch (IOException e) {
      Log.e(this.getClass().getSimpleName(), e.getMessage(), e);
    } finally {
      try {
        if (fos != null)
          fos.close();
      } catch (IOException e) {
        Log.e(this.getClass().getSimpleName(), e.getMessage(), e);
      }
    }
  }

}
Java Source Code List
