helloimpl.java

帮助你系统进入JAVA的学习中来

/*
 * Copyright (c) 1996 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
 * modify and redistribute this software in source and binary code form,
 * provided that i) this copyright notice and license appear on all copies of
 * the software; and ii) Licensee does not utilize the software in a manner
 * which is disparaging to Sun.
 *
 * This software is provided "AS IS," without a warranty of any kind. ALL
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
 * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
 * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
 * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
 * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
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 * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
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package examples.hello;

import java.rmi.*;
import java.rmi.server.UnicastRemoteObject;

public class HelloImpl
	extends UnicastRemoteObject
	implements Hello
{   
    private String name;
 
    public HelloImpl(String s) throws java.rmi.RemoteException {
	super();
	name = s;
    }
    
    public String sayHello() throws RemoteException {
	return  "Hello World!";
    }

    public static void main(String args[]) 
    {
	// Create and install the security manager
	System.setSecurityManager(new RMISecurityManager());

	try {
	    HelloImpl obj = new HelloImpl("HelloServer");
	    Naming.rebind("HelloServer", obj);
	    System.out.println("HelloImpl created and bound in the registry to the name HelloServer");

	} catch (Exception e) {
	    System.out.println("HelloImpl.main: an exception occurred:");
	    e.printStackTrace();
	}
    }
}