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Java > Open Source Codes > org > jboss > mq > referenceable > SpyDestinationObjectFactory


1 /*
2 * JBoss, Home of Professional Open Source
3 * Copyright 2005, JBoss Inc., and individual contributors as indicated
4 * by the @authors tag. See the copyright.txt in the distribution for a
5 * full listing of individual contributors.
6 *
7 * This is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU Lesser General Public License as
9 * published by the Free Software Foundation; either version 2.1 of
10 * the License, or (at your option) any later version.
11 *
12 * This software is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this software; if not, write to the Free
19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21 */
22 package org.jboss.mq.referenceable;
23
24 import org.jboss.logging.Logger;
25
26 /**
27  * This class is used to create instances of of: SpyTopic SpyQueue classes from
28  * a javax.naming.Reference instance.
29  *
30  * @author Hiram Chirino (Cojonudo14@hotmail.com)
31  * @created August 16, 2001
32  * @version $Revision: 37459 $
33  */
34 public class SpyDestinationObjectFactory implements javax.naming.spi.ObjectFactory JavaDoc {
35
36    static Logger cat = Logger.getLogger( SpyDestinationObjectFactory.class );
37
38    /**
39     * SpyTopicObjectFactory constructor
40     */
41    public SpyDestinationObjectFactory() {
42       super();
43    }
44
45    /**
46     * getObjectInstance method
47     *
48     * @param reference Description of Parameter
49     * @param name Description of Parameter
50     * @param contex Description of Parameter
51     * @param properties Description of Parameter
52     * @return The ObjectInstance value
53     * @exception java.lang.Exception Description of Exception
54     */
55    public java.lang.Object JavaDoc getObjectInstance( java.lang.Object JavaDoc reference, javax.naming.Name JavaDoc name, javax.naming.Context JavaDoc contex, java.util.Hashtable JavaDoc properties )
56       throws java.lang.Exception JavaDoc {
57
58       cat.debug( "SpyDestinationObjectFactory->getObjectInstance()" );
59
60       try {
61
62          javax.naming.Reference JavaDoc ref = ( javax.naming.Reference JavaDoc )reference;
63          if ( ref.getClassName().equals( "org.jboss.mq.SpyTopic" ) ) {
64
65             String JavaDoc dest = ( String JavaDoc )ref.get( "name" ).getContent();
66             return new org.jboss.mq.SpyTopic( dest );
67          } else if ( ref.getClassName().equals( "org.jboss.mq.SpyQueue" ) ) {
68
69             String JavaDoc dest = ( String JavaDoc )ref.get( "name" ).getContent();
70             return new org.jboss.mq.SpyQueue( dest );
71          }
72       } catch ( RuntimeException JavaDoc ignore ) {
73       } catch ( Exception JavaDoc ignore ) {
74          // This method should not throw an exception since
75 // It would prevent another ObjectFactory from attempting
76 // to create an instance of the object.
77 }
78       return null;
79    }
80 }
81
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