JonasMBeanTools


1   /**
2    * JOnAS: Java(TM) Open Application Server
3    * Copyright (C) 1999 Bull S.A.
4    * Contact: jonas-team@objectweb.org
5    *
6    * This library is free software; you can redistribute it and/or
7    * modify it under the terms of the GNU Lesser General Public
8    * License as published by the Free Software Foundation; either
9    * version 2.1 of the License, or any later version.
10   *
11   * This library is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14   * Lesser General Public License for more details.
15   *
16   * You should have received a copy of the GNU Lesser General Public
17   * License along with this library; if not, write to the Free Software
18   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
19   * USA
20   * --------------------------------------------------------------------------
21   * $Id: JonasMBeanTools.java,v 1.8 2005/06/09 09:55:22 sauthieg Exp $
22   * --------------------------------------------------------------------------
23   */
24  
25  package org.objectweb.jonas.management;
26  
27  import org.apache.commons.modeler.Registry;
28  import org.objectweb.jonas.server.Server;
29  
30  // JOnAS Log
31  import org.objectweb.jonas.common.Log;
32  
33  // Monolog
34  import org.objectweb.util.monolog.api.Logger;
35  import org.objectweb.util.monolog.api.BasicLevel;
36  
37  /**
38   * Utility MBean classes.
39   * @author Michel-Ange Anton
40   */
41  public class JonasMBeanTools {
42  
43  // ------------------------------------------------------------- Constants
44  
45      private final static String  [] PACKAGE_DESCRIPTORS = {
46          "org.objectweb.jonas.server", "org.objectweb.jonas.ear",
47          "org.objectweb.jonas.container", "org.objectweb.jonas.naming",
48          "org.objectweb.jonas.mail",
49          "org.objectweb.jonas.resource", "org.objectweb.jonas.jtm",
50          "org.objectweb.jonas.dbm", "org.objectweb.jonas.ws.mbean"};
51  
52  // ------------------------------------------------------------- Privates variables
53  
54      private static Registry s_Registry = null;
55      private static Logger s_Logger = Log.getLogger(Log.JONAS_MANAGEMENT_PREFIX);
56  
57  // ------------------------------------------------------------- Public methods
58  
59      /**
60       * Load the registry of managed object descriptions.
61       * To load a new mbean-descriptor, add it in the <code>PACKAGE_DESCRIPTORS</code> array.
62       * @return The registry where the descriptors are loaded
63       */
64      public synchronized static Registry getRegistry() {
65  
66          if (s_Registry == null) {
67              // Load registry
68              s_Registry = Registry.getRegistry(null, null);
69              ClassLoader   cl = Server.class.getClassLoader();
70  
71              // Load descriptors
72              for (int i = 0; i < PACKAGE_DESCRIPTORS.length; i++) {
73                  s_Registry.loadDescriptors(PACKAGE_DESCRIPTORS[i], cl);
74              }
75  
76              // Log loaded descriptors
77              if (s_Logger.isLoggable(BasicLevel.DEBUG)) {
78                  String   s;
79                  String  [] as = s_Registry.findManagedBeans();
80                  s_Logger.log(BasicLevel.DEBUG, ">>> List of all MBeans descriptors");
81                  for (int i = 0; i < as.length; i++) {
82                      s = ">>> " + i + ") " + as[i];
83                      s_Logger.log(BasicLevel.DEBUG, s);
84                  }
85                  s_Logger.log(BasicLevel.DEBUG, "<<< List of all MBeans descriptors");
86              }
87          }
88          return (s_Registry);
89      }
90  
91  }
92
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