ImageCommunicator.java :  » App » androidsocial » main » imageManager » Android Open Source

package main.imageManager;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
import java.net.UnknownHostException;

import android.util.Log;

public class ImageCommunicator {

  private static final String LOG_TAG = "ImageCommunicator";
  
  public static final int IMAGE_SERVER_PORT = 1703;
  
  private String host;
  private int port;

  public ImageCommunicator( String host, int port) {
    this.host = host;
    this.port = port;
  }
  
  public void sendImage( String fileName, String userName) {
    BufferedInputStream inputStream = null;
    OutputStream     outputStream = null;
    Socket        socket = null;
    
    try {
      socket = new Socket(host, port);
      
      File file = new File( fileName);
      byte[] sendBuffer = new byte[(int)file.length( )];
      
      inputStream = new BufferedInputStream( new FileInputStream( file));
      inputStream.read(sendBuffer, 0, sendBuffer.length);
      
      outputStream = socket.getOutputStream( );
      outputStream.write( ImageManagerRequestHandler.SEND_USER_IMAGE);
      outputStream.write( (userName + ";").getBytes( ), 0, (userName + ";").length( ));
      outputStream.write(sendBuffer, 0, sendBuffer.length);
      
      if ( !socket.isOutputShutdown( ))
        outputStream.flush( );
    } catch (UnknownHostException e) {
      Log.e(LOG_TAG, "sendImage - UnknownHostException. e.getMessage() = " + e.getMessage());
    } catch (IOException e) {
      Log.e(LOG_TAG, "sendImage - IOException. e.getMessage() = " + e.getMessage());
    } finally {
      try {
        if (socket != null) {
          socket.close();
        }
        if ( inputStream != null) {
          inputStream.close( );
        }
        if ( outputStream != null) {
          outputStream.close( );
        }
      } catch (IOException e) {
      }
    }
  }
  
  public void requestImage( String userName) {
    BufferedOutputStream fileOut = null;
    OutputStream      outputStream = null;
    InputStream       inputStream = null;
    Socket         socket = null;
    
    try {
      socket = new Socket(host, port);
      
      outputStream = socket.getOutputStream( );
      inputStream = socket.getInputStream( );
      
      outputStream.write( ImageManagerRequestHandler.RECEIVE_USER_IMAGE);
      
      int ch = 0;
      fileOut = new BufferedOutputStream( new FileOutputStream( "/sdcard/" + userName + ".jpg"));
      while ( ( ch = inputStream.read()) != -1) {
        fileOut.write( ch);
      }
      fileOut.flush( );
    } catch (UnknownHostException e) {
      Log.e(LOG_TAG, "requestImage - UnknownHostException. e.getMessage() = " + e.getMessage());
    } catch (IOException e) {
      Log.e(LOG_TAG, "requestImage - IOException. e.getMessage() = " + e.getMessage());
    } finally {
      try {
        if (socket != null) {
          socket.close();
        }          
        if ( fileOut != null)
          fileOut.close( );
        if ( outputStream != null)
          outputStream.close( );
        if ( inputStream != null) 
          inputStream.close( );
      } catch (IOException e) {
      }
    }
  }
}