impeerimpl.java

高级java2 大学教程(含源码,经典的Java学习教程

// IMPeerImpl.java
// Implements the IMPeer interface
package com.deitel.advjhtp1.jini.IM;

// Java core packages
import java.io.*;
import java.net.*;
import java.rmi.*;
import java.rmi.server.*;
import java.util.*;

// Deitel Packages
import com.deitel.advjhtp1.jini.IM.Message;
import com.deitel.advjhtp1.jini.IM.client.IMPeerListener;


public class IMPeerImpl extends UnicastRemoteObject 
   implements IMPeer {

   private String name;
   private IMPeerListener output;
   
   // No argument constructor
   public IMPeerImpl() throws RemoteException
   {
      super();
      name = "anonymous";
   }
   // constructor takes userName
   public IMPeerImpl( String myName ) throws RemoteException
   {
      name = myName;
   }
   
   public void addListener( IMPeerListener listener )
   {
      output = listener;
   }
   
   // send message to this peer
   public void sendMessage( Message message ) 
      throws RemoteException
   {
      output.displayMessage( message );
   }
   
   // accessor for name
   public String getName() throws RemoteException
   {
      return name;
   }   
}

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