KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > jboss > system > server > ServerConfigLocator


1 /*
2 * JBoss, Home of Professional Open Source
3 * Copyright 2005, JBoss Inc., and individual contributors as indicated
4 * by the @authors tag. See the copyright.txt in the distribution for a
5 * full listing of individual contributors.
6 *
7 * This is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU Lesser General Public License as
9 * published by the Free Software Foundation; either version 2.1 of
10 * the License, or (at your option) any later version.
11 *
12 * This software is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this software; if not, write to the Free
19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21 */
22 package org.jboss.system.server;
23
24 import org.jboss.mx.util.MBeanProxyExt;
25
26 /**
27  * A helper for locating the {@link ServerConfig} instance
28  * for the running server.
29  *
30  * @version <tt>$Revision: 57108 $</tt>
31  * @author <a HREF="mailto:jason@planet57.com">Jason Dillon</a>
32  */
33 public class ServerConfigLocator
34 {
35    private static volatile ServerConfig instance = null;
36
37    public static ServerConfig locate()
38    {
39       if (instance == null) {
40          instance = (ServerConfig)
41             MBeanProxyExt.create(ServerConfig.class,
42                               ServerConfigImplMBean.OBJECT_NAME);
43       }
44
45       return instance;
46    }
47 }
48
Popular Tags