sendingthread.java

这是java的一本书上的源代码

// SendingThread.java
// SendingThread sends a message to the chat server in a separate Thread.
package com.deitel.messenger.sockets.client;

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

import com.deitel.messenger.sockets.*;

public class SendingThread extends Thread {

   // Socket over which to send message
   private Socket clientSocket;
   private String messageToSend;

   // SendingThread constructor
   public SendingThread( Socket socket, String userName, String message ) 
   {
      // invoke superclass constructor to name Thread
      super( "SendingThread: " + socket );

      clientSocket = socket;
      
      // build the message to be sent
      messageToSend = userName + 
         SocketMessengerConstants.MESSAGE_SEPARATOR + message;
   }
   
   // send message and exit Thread
   public void run() 
   {
      // send message and flush PrintWriter
      try {     
         PrintWriter writer = 
            new PrintWriter( clientSocket.getOutputStream() );
         writer.println( messageToSend );
         writer.flush();        
      } 

      // handle exception sending message
      catch ( IOException ioException ) {
         ioException.printStackTrace();
      }
   } 

} // end class SendingThread


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