1 /**
2 *
3 * Copyright 2005 The Apache Software Foundation
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.geronimo.system.jmx;
18
19 import java.util.ArrayList;
20 import javax.management.MBeanServer;
21 import javax.management.MBeanServerFactory;
22
23 import org.apache.geronimo.gbean.GBeanInfo;
24 import org.apache.geronimo.gbean.GBeanInfoBuilder;
25
26 /**
27 * Creates a real mbean server of finds an existing one with the specified mbeanServerId
28 * @version $Rev: 410741 $ $Date: 2006-05-31 21:35:48 -0700 (Wed, 31 May 2006) $
29 */
30 public class RealMBeanServerReference implements MBeanServerReference {
31 private MBeanServer mbeanServer;
32
33 public RealMBeanServerReference(String mbeanServerId) throws MBeanServerNotFound {
34 ArrayList servers = MBeanServerFactory.findMBeanServer(mbeanServerId);
35 if (servers.size() == 0) {
36 mbeanServer = MBeanServerFactory.createMBeanServer("geronimo");
37 } else if (servers.size() > 1) {
38 throw new MBeanServerNotFound(servers.size() + " MBeanServers were found with the agent id " + mbeanServerId);
39 } else {
40 mbeanServer = (MBeanServer) servers.get(0);
41 }
42 }
43
44 public MBeanServer getMBeanServer() {
45 return mbeanServer;
46 }
47
48 public static final GBeanInfo GBEAN_INFO;
49
50 static {
51 GBeanInfoBuilder infoFactory = GBeanInfoBuilder.createStatic(RealMBeanServerReference.class);
52 infoFactory.addAttribute("mbeanServerId", String.class, true);
53 infoFactory.setConstructor(new String[]{"mbeanServerId"});
54 GBEAN_INFO = infoFactory.getBeanInfo();
55 }
56
57 public static GBeanInfo getGBeanInfo() {
58 return GBEAN_INFO;
59 }
60 }