MBeanModel


1   /*
2    * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3    *
4    * This file is part of Resin(R) Open Source
5    *
6    * Each copy or derived work must preserve the copyright notice and this
7    * notice unmodified.
8    *
9    * Resin Open Source is free software; you can redistribute it and/or modify
10   * it under the terms of the GNU General Public License as published by
11   * the Free Software Foundation; either version 2 of the License, or
12   * (at your option) any later version.
13   *
14   * Resin Open Source is distributed in the hope that it will be useful,
15   * but WITHOUT ANY WARRANTY; without even the implied warranty of
16   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17   * of NON-INFRINGEMENT.  See the GNU General Public License for more
18   * details.
19   *
20   * You should have received a copy of the GNU General Public License
21   * along with Resin Open Source; if not, write to the
22   *   Free SoftwareFoundation, Inc.
23   *   59 Temple Place, Suite 330
24   *   Boston, MA 02111-1307  USA
25   *
26   * @author Scott Ferguson
27   */
28  
29  package com.caucho.naming.mbean;
30  
31  import com.caucho.jmx.Jmx;
32  import com.caucho.naming.AbstractModel;
33  
34  import javax.management.MalformedObjectNameException  ;
35  import javax.naming.NamingException  ;
36  import java.util.ArrayList  ;
37  import java.util.List  ;
38  
39  /**
40   * Memory based model for JNDI.
41   */
42  public class MBeanModel extends AbstractModel {
43    /**
44     * Creates a new instance of the memory model.
45     */
46    public MBeanModel()
47    {
48    }
49  
50    /**
51     * Creates a new instance of MemoryModel.
52     */
53    protected AbstractModel create()
54    {
55      return new MBeanModel();
56    }
57  
58    /**
59     * Returns the object from looking up a single link.
60     *
61     * @param name the name segment.
62     *
63     * @return the object stored in the map.
64     */
65    public Object   lookup(String   name)
66      throws NamingException  
67    {
68      if (name == null)
69        return null;
70      
71      if (name.startsWith("mbean:"))
72        name = name.substring(6);
73  
74      try {
75        return Jmx.find(Jmx.getObjectName(name));
76      } catch (MalformedObjectNameException   e) {
77        NamingException   ne = new NamingException  (e.getMessage());
78        ne.initCause(e);
79        throw ne;
80      }
81    }
82  
83    /**
84     * Lists the child names.
85     */
86    public List   list()
87    {
88      return new ArrayList  ();
89    }
90  }
91
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