socketmessagemanager.java

该源代码是用JAVA开发的基于远程控制的多屏动画演示系统的实现代码,包括网络功能和动画显示功能两大模块,很有实际应用价值的了

//SocketMessageManager通过Sockets和MulticastSockets和FishServer通信。 
package fish.client;

import java.net.*;
import java.io.*;

import fish.*;

public class SocketMessageManager implements MessageManager {
	
	private Socket socket; 
	private String serverAddress; 
	private PacketReceivingThread receivingThread;
	private boolean connected = false;

	public SocketMessageManager(String address)
	{
		serverAddress = address;
		}

	public void connect(MessageListener listener) 
	{
		//如果已经连接了则快速返回
		if ( connected )
			return;

		try {
			socket = new Socket( 
					InetAddress.getByName(serverAddress), 
					FishConstants.SERVER_PORT );

			receivingThread = new PacketReceivingThread(listener);
			receivingThread.start();
			connected = true;
			} 

		catch ( IOException ioException ) {
			ioException.printStackTrace();
			}
		} 

	public void disconnect( MessageListener listener ) 
	{
		if ( !connected )
			return;
   
		try {     

			Thread disconnectThread = new SendingThread( socket, "", 
					FishConstants.DISCONNECT_STRING );         
			disconnectThread.start();         
      
			disconnectThread.join(10000);
			receivingThread.stopListening();
			socket.close(); 
			}

		catch ( IOException ioException ) {
			ioException.printStackTrace();
			}
   
		catch ( InterruptedException interruptedException ) {
			interruptedException.printStackTrace();
			}
  
		connected = false;
	} 

	public void sendMessage(String from, String message) 
	{
		if ( !connected )
			return;
   
		new SendingThread(socket,from,message).start();
		}   

}