remoteproxy.java

《精通RMI：Java与EJB企业级应用开发》书籍的源代码. 本书是讲述RMI技术的经典著作

/*
 * Copyright 1999 by dreamBean Software,
 * All rights reserved.
 */
package smartworld.server;

import java.lang.reflect.Method;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
import java.rmi.Remote;
import java.rmi.RemoteException;

/**
 *    This is a smart proxy wrapper that delegates to a real remote object
 *     
 *    Note that it is not tightly bound to the remote object interface,
 *    and can therefore be reused with any remote object(!)
 *
 *   @author Rickard 謆erg ([e-mail])
 *   @version $Revision:$
 */
public class RemoteProxy
   implements InvocationHandler
{
   Object next;

   // Constructors --------------------------------------------------
   RemoteProxy(Object next)
   {
      this.next = next;
   }
   
   // Public --------------------------------------------------------
   public Object invoke(Object proxy,
                        Method method,
                        Object[] args)
      throws Throwable
   {
      try
      {
         return method.invoke(next, args);
      } catch (InvocationTargetException e)
      {
         throw e.getTargetException();
      }
   }
}