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Java > Open Source Codes > org > objectweb > joram > client > jms > admin > ObjectFactory


1 /*
2  * JORAM: Java(TM) Open Reliable Asynchronous Messaging
3  * Copyright (C) 2007 ScalAgent Distributed Technologies
4  * Copyright (C) 2007 France Telecom R&D
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  * Initial developer(s): ScalAgent Distributed Technologies
22  * Contributor(s):
23  */
24 package org.objectweb.joram.client.jms.admin;
25
26 import javax.naming.*;
27
28 import org.objectweb.joram.shared.JoramTracing;
29 import org.objectweb.util.monolog.api.BasicLevel;
30
31 /**
32  * The <code>ObjectFactory</code> class is used by the naming service
33  * for retrieving or re-constructing administered objects.
34  */
35 public class ObjectFactory implements javax.naming.spi.ObjectFactory JavaDoc {
36
37   /** Returns an instance of an object given its reference. */
38   public Object JavaDoc getObjectInstance(Object JavaDoc obj,
39                                   Name name,
40                                   Context ctx,
41                                   java.util.Hashtable JavaDoc env) throws Exception JavaDoc {
42     if (JoramTracing.dbgClient.isLoggable(BasicLevel.DEBUG))
43       JoramTracing.dbgClient.log(BasicLevel.DEBUG,
44                                  "ObjectFactory.getObjectInstance(" +
45                                  obj + ',' + name + ',' +
46                                  ctx + ',' + env + ')');
47
48     Reference ref = (Reference) obj;
49     AdministeredObject ao = null;
50     try {
51       Class JavaDoc clazz = Class.forName(ref.getClassName());
52       ao = (AdministeredObject) clazz.newInstance();
53       ao.fromReference(ref);
54     } catch (Exception JavaDoc exc) {
55       if (JoramTracing.dbgClient.isLoggable(BasicLevel.ERROR))
56         JoramTracing.dbgClient.log(BasicLevel.ERROR, "", exc);
57     }
58     return ao;
59   }
60 }
61
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