helloimpl.java

来自「JavaTM 2 SDK, Standard Edition Documen」· Java 代码 · 共 80 行

/*
 * @(#)HelloImpl.java	1.3 01/05/10
 *
 * Copyright 1995-2002 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or 
 * without modification, are permitted provided that the following 
 * conditions are met:
 * 
 * -Redistributions of source code must retain the above copyright  
 * notice, this  list of conditions and the following disclaimer.
 * 
 * -Redistribution in binary form must reproduct the above copyright 
 * notice, this list of conditions and the following disclaimer in 
 * the documentation and/or other materials provided with the 
 * distribution.
 * 
 * Neither the name of Sun Microsystems, Inc. or the names of 
 * contributors may be used to endorse or promote products derived 
 * from this software without specific prior written permission.
 * 
 * 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 OR LIABILITIES  SUFFERED BY LICENSEE AS A RESULT OF  OR 
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import java.net.InetAddress;
import java.rmi.Naming;
import java.rmi.RemoteException;
import java.rmi.RMISecurityManager;
import java.rmi.server.UnicastRemoteObject;

public class HelloImpl extends UnicastRemoteObject implements Hello {

    public HelloImpl() throws RemoteException {
	// super();
	super(0, new RMISSLClientSocketFactory(),
		 new RMISSLServerSocketFactory());
    }

    public String sayHello() {
	return "Hello World!";
    }

    public static void main(String args[]) {

	// Create and install a security manager
	if (System.getSecurityManager() == null) {
	    System.setSecurityManager(new RMISecurityManager());
	}

	try {
	    HelloImpl obj = new HelloImpl();

	    // Bind this object instance to the name "HelloServer"
	    Naming.rebind("//" +
		InetAddress.getLocalHost().getHostName()+"/HelloServer", obj);

	    System.out.println("HelloServer bound in registry");
	} catch (Exception e) {
	    System.out.println("HelloImpl err: " + e.getMessage());
	    e.printStackTrace();
	}
    }
}