remotecontrolclient.java

java开发的桌面应用程序

package com;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Toolkit;
import java.awt.event.InputEvent;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.image.BufferedImage;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.RandomAccessFile;
import java.net.Socket;
import java.util.zip.ZipInputStream;

import javax.imageio.ImageIO;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JScrollPane;

import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageDecoder;

public class RemoteControlClient extends JLabel implements Runnable {
	BufferedInputStream input;
	PrintWriter output;
	static JFrame frame;
	BufferedImage image;
	ImageIO cimage;
	Socket client;
	String MousePressed="1";
	String MouseReleased="2";
	String MouseMoved="3";
	String KeyPressed="4";
	String KeyReleased="5";
	String friendsIp;
	int port;
	boolean flg=true;
	public  void client(String ip,int friendsPort) {
		try {
			friendsIp=ip;
			port=friendsPort;
			frame = new JFrame("Remote Control Client");
			frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
			frame.addWindowListener(new WindowAdapter() {
				public void windowClosed(WindowEvent e) {
					try {
						client.close();
						flg=false;
					} catch (Exception ex) {
						ex.getMessage();
					}
				}
			});
			frame.getContentPane().setLayout(new BorderLayout());
			Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();
			frame.setSize(640, 480);
			Dimension thesize = frame.getSize();
			frame.setLocation((screen.width - thesize.width) / 2,
					(screen.height - thesize.height) / 2);
			new Thread(this).start();
			this.addMouseListener(new MouseAdapter(){
				public void mousePressed(MouseEvent e) {
					sendMouse(MouseEvent.MOUSE_PRESSED,e);
				}
				public void mouseReleased(MouseEvent e) {
					sendMouse(MouseEvent.MOUSE_RELEASED,e);
				}
			});
			this.addMouseMotionListener(new MouseMotionAdapter(){
				 public void mouseDragged(MouseEvent e) {
					 sendMouse(MouseEvent.MOUSE_DRAGGED,e);
				 }
				 public void mouseMoved(MouseEvent e) {
					 sendMouse(MouseEvent.MOUSE_MOVED,e);
				 }
			});
			this.addKeyListener(new KeyAdapter(){
				 public void keyPressed(KeyEvent e) {
					 sendKey(KeyEvent.KEY_PRESSED,e);
				 }
				 public void keyReleased(KeyEvent e) {
					 sendKey(KeyEvent.KEY_RELEASED,e);
				 }
			});
			JScrollPane scroll = new JScrollPane(this);
			frame.getContentPane().add(scroll, BorderLayout.CENTER);
			frame.setVisible(true);
		} catch (Exception e) {
			System.out.println(e.toString());
			System.exit(0);
		}
	}

	public void run() {
		try {
			client = new Socket(friendsIp, port);
			input = new BufferedInputStream(client.getInputStream());
			output = new PrintWriter(client.getOutputStream());
			/*
			 * String the = JOptionPane.showInputDialog(this, "Please input
			 * target server:", "Targe Server", JOptionPane.QUESTION_MESSAGE);
			 */

			while (flg) {
				// 栤戣偑偁傝傑偡丅偙偺儊僢僜僪client.isClosed()側偄
				if (client == null) {
					
				} else {
					getScreen(input);
				//	Thread.sleep(2);
				}
			}
		} catch (Exception e) {
			System.out.println(e.toString());
		}
	}

	public void paint(Graphics g) {

		super.paint(g);
		if (image != null) {
			g.drawImage(image, 0, 0, this);
		}

	}
	
	public void sendMouse(int type,MouseEvent e) {
		String command;
if(type==MouseEvent.MOUSE_PRESSED){
	command=MousePressed+e.getModifiers()
			+System.getProperty("line.separator");
	sendCommand(command);
}else if(type==MouseEvent.MOUSE_RELEASED){
	command=MouseReleased+e.getModifiers()
			+System.getProperty("line.separator");
	sendCommand(command);
}else if(type==MouseEvent.MOUSE_DRAGGED){
	command=MouseMoved+"|"+e.getX()+"|"+e.getY()
			+System.getProperty("line.separator");
	sendCommand(command);
}else if(type==MouseEvent.MOUSE_MOVED){
	command=MouseMoved+"|"+e.getX()+"|"+e.getY()
			+System.getProperty("line.separator");
	sendCommand(command);
	
}
}
	public void sendKey(int type,KeyEvent e) {
		String command;
		if(type==KeyEvent.KEY_PRESSED){
			command=KeyPressed+e.getKeyChar()
					+System.getProperty("line.separator");
			sendCommand(command);
		}else if(type==KeyEvent.KEY_RELEASED){
			command=KeyReleased+e.getKeyChar()
					+System.getProperty("line.separator");
			sendCommand(command);
		}

	}
	public synchronized void  sendCommand(String strCommand) {
		output.write(strCommand);

	}

	private void getScreen(BufferedInputStream input) {

		try {
			JPEGImageDecoder decoder = JPEGCodec.createJPEGDecoder(input);
			image = decoder.decodeAsBufferedImage();
			this.updateUI();
		} catch (Exception e) {
			try {
				client.close();
				client = null;
			} catch (Exception ex) {
				System.out.println(ex.toString());
			}
			System.out.println(e.toString());
		}

	}

}