KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > objectweb > proactive > examples > hello > HelloClient


1 /*
2 * ################################################################
3 *
4 * ProActive: The Java(TM) library for Parallel, Distributed,
5 * Concurrent computing with Security and Mobility
6 *
7 * Copyright (C) 1997-2002 INRIA/University of Nice-Sophia Antipolis
8 * Contact: proactive-support@inria.fr
9 *
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or any later version.
14 *
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
23 * USA
24 *
25 * Initial developer(s): The ProActive Team
26 * http://www.inria.fr/oasis/ProActive/contacts.html
27 * Contributor(s):
28 *
29 * ################################################################
30 */
31 package org.objectweb.proactive.examples.hello;
32
33 import org.apache.log4j.Logger;
34
35 public class HelloClient {
36     
37     static Logger logger = Logger.getLogger(HelloClient.class.getName());
38
39   public static void main(String JavaDoc[] args) {
40     Hello myServer;
41     String JavaDoc message;
42     try {
43       // checks for the server's URL
44 if (args.length == 0) {
45         // There is no url to the server, so create an active server within this VM
46 myServer = (Hello)org.objectweb.proactive.ProActive.newActive(Hello.class.getName(), new Object JavaDoc[]{"local"});
47       } else {
48         // Lookups the server object
49 logger.info("Using server located on " + args[0]);
50         myServer = (Hello)org.objectweb.proactive.ProActive.lookupActive(Hello.class.getName(), args[0]);
51       }
52       // Invokes a remote method on this object to get the message
53 message = myServer.sayHello();
54       // Prints out the message
55 logger.info("The message is : " + message);
56     } catch (Exception JavaDoc e) {
57       logger.error("Could not reach/create server object");
58       e.printStackTrace();
59       System.exit(1);
60     }
61   }
62 }
Popular Tags