imsproxyimpl.java

高级java2 大学教程(含源码,经典的Java学习教程

// IMSProxyImpl.java
// IMSProxyImpl is a proxy for the IM Jini service.
package com.deitel.advjhtp1.jini.IM.service;

// Java core packages
import java.io.Serializable;

// Java extension packages
import java.rmi.*;

// Deitel packages
import com.deitel.advjhtp1.jini.IM.Message;
import com.deitel.advjhtp1.jini.IM.IMPeer;

public class IMSProxyImpl implements IMSProxy, Serializable
{
   // stores link to the service using RMI
   private IMService serviceInterface;
  
   // IMSProxy constructor
   public IMSProxyImpl( IMService service )
   {
      serviceInterface = service;
   }
          
   // get a RMI reference to remote peer
   public IMPeer connect( IMPeer peer ) throws RemoteException
   {
      // get IMPeer instance from service 
      try {
         return serviceInterface.connect( peer );
      }
      
      // handle exception communicating with service
      catch ( RemoteException remoteException ) {
         remoteException.printStackTrace();
      }
      
      return null;
   }  // end method Connect
}

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