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


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 import org.jboss.mq.GenericConnectionFactory;
26
27 /**
28  * This class is used to create instances of of: SpyTopicConnectionFactory
29  * SpyQueueConnectionFactory SpyXATopicConnectionFactory SpyXAQueueConnectionFactory
30  * classes from a javax.naming.Reference instance.
31  *
32  * @author Hiram Chirino (Cojonudo14@hotmail.com)
33  * @created August 16, 2001
34  * @version $Revision: 37459 $
35  */
36 public class SpyConnectionFactoryObjectFactory implements javax.naming.spi.ObjectFactory JavaDoc {
37
38    static Logger cat = Logger.getLogger( SpyConnectionFactoryObjectFactory.class );
39
40
41    /**
42     * getObjectInstance method.
43     *
44     * @param reference Description of Parameter
45     * @param name Description of Parameter
46     * @param contex Description of Parameter
47     * @param properties Description of Parameter
48     * @return The ObjectInstance value
49     * @exception java.lang.Exception Description of Exception
50     */
51    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 )
52       throws java.lang.Exception JavaDoc {
53
54       boolean debug = cat.isDebugEnabled();
55       if (debug)
56          cat.debug( "Extracting SpyConnectionFactory from reference" );
57       try {
58
59          javax.naming.Reference JavaDoc ref = ( javax.naming.Reference JavaDoc )reference;
60          GenericConnectionFactory dcf = ( GenericConnectionFactory )
61                ObjectRefAddr.extractObjectRefFrom( ref, "DCF" );
62
63         if (debug)
64              cat.debug("The GenericConnectionFactory is: "+dcf);
65
66          if ( ref.getClassName().equals( "org.jboss.mq.SpyConnectionFactory" ) ) {
67             return new org.jboss.mq.SpyConnectionFactory( dcf );
68          } else if ( ref.getClassName().equals( "org.jboss.mq.SpyXAConnectionFactory" ) ) {
69             return new org.jboss.mq.SpyXAConnectionFactory( dcf );
70          }
71       } catch ( Throwable JavaDoc ignore ) {
72          ignore.printStackTrace();
73          // This method should not throw an exception since
74 // It would prevent another ObjectFactory from attempting
75 // to create an instance of the object.
76 }
77       return null;
78    }
79 }
80
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