helloimpl.java

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/*
 * @(#)HelloImpl.java	1.3 01/05/10
 *
 * Copyright 1994-2004 Sun Microsystems, Inc. All Rights Reserved. 
 *
 * Redistribution and use in source and binary forms, with or 
 * without modification, are permitted provided that the following 
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 * notice, this list of conditions and the following disclaimer.
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 * distribution. 
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 * 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 MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL 
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import java.io.*;
import java.net.InetAddress;
import java.rmi.RemoteException;
import java.rmi.RMISecurityManager;
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;
import java.rmi.server.UnicastRemoteObject;

public class HelloImpl extends UnicastRemoteObject implements Hello {

    private static final int PORT = 2019;

    public HelloImpl() throws Exception {
	super(PORT,
	      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 {
	    // Create SSL-based registry
	    Registry registry = LocateRegistry.createRegistry(PORT,
		new RMISSLClientSocketFactory(),
		new RMISSLServerSocketFactory());

	    HelloImpl obj = new HelloImpl();

	    // Bind this object instance to the name "HelloServer"
	    registry.bind("HelloServer", obj);

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