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1   /**
2    *
3    * Copyright 2004 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.rmi;
18  
19  import java.rmi.registry.LocateRegistry;
20  import java.rmi.registry.Registry;
21  import java.rmi.server.UnicastRemoteObject;
22  import java.net.InetSocketAddress;
23  
24  import org.apache.commons.logging.Log;
25  import org.apache.commons.logging.LogFactory;
26  import org.apache.geronimo.gbean.GBeanInfo;
27  import org.apache.geronimo.gbean.GBeanInfoBuilder;
28  import org.apache.geronimo.gbean.GBeanLifecycle;
29  
30  /**
31   * Thin GBean wrapper around the RMI Registry.
32   *
33   * @version $Rev: 355877 $ $Date: 2005-12-10 18:48:27 -0800 (Sat, 10 Dec 2005) $
34   */
35  public class RMIRegistryService implements GBeanLifecycle {
36      private static final Log log = LogFactory.getLog(RMIRegistryService.class);
37      private int port = Registry.REGISTRY_PORT;
38      private Registry registry;
39  
40      public int getPort() {
41          return port;
42      }
43  
44      public void setPort(int port) {
45          this.port = port;
46      }
47  
48      public String getHost() {
49          return "0.0.0.0";
50      }
51  
52      public String getProtocol() {
53          return "rmi";
54      }
55  
56      public void doStart() throws Exception {
57          System.setProperty("java.rmi.server.RMIClassLoaderSpi",RMIClassLoaderSpiImpl.class.getName());
58          registry = LocateRegistry.createRegistry(port);
59          log.debug("Started RMI Registry on port " + port);
60      }
61  
62      public void doStop() throws Exception {
63          UnicastRemoteObject.unexportObject(registry, true);
64          log.debug("Stopped RMI Registry");
65      }
66  
67      public void doFail() {
68          try {
69              doStop();
70          } catch (Exception e) {
71              log.warn("RMI Registry failed");
72          }
73      }
74  
75      public InetSocketAddress getListenAddress() {
76          return new InetSocketAddress(getHost(), getPort());
77      }
78  
79      public static final GBeanInfo GBEAN_INFO;
80  
81      static {
82          GBeanInfoBuilder infoFactory = GBeanInfoBuilder.createStatic("RMI Naming", RMIRegistryService.class);
83          infoFactory.addAttribute("host", String.class, false);
84          infoFactory.addAttribute("protocol", String.class, false);
85          infoFactory.addAttribute("port", int.class, true, true);
86          infoFactory.addAttribute("listenAddress", InetSocketAddress.class, false);
87          GBEAN_INFO = infoFactory.getBeanInfo();
88      }
89  
90      public static GBeanInfo getGBeanInfo() {
91          return GBEAN_INFO;
92      }
93  }