/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.mq.referenceable;

import org.jboss.logging.Logger;

/**
 *  This class is used to create instances of of: SpyTopic SpyQueue classes from
 *  a javax.naming.Reference instance.
 *
 * @author     Hiram Chirino (Cojonudo14@hotmail.com)
 * @created    August 16, 2001
 * @version    $Revision$
 */
public class SpyDestinationObjectFactory implements javax.naming.spi.ObjectFactory {

   static Logger cat = Logger.getLogger( SpyDestinationObjectFactory.class );

   /**
    *  SpyTopicObjectFactory constructor
    */
   public SpyDestinationObjectFactory() {
      super();
   }

   /**
    *  getObjectInstance method
    *
    * @param  reference                Description of Parameter
    * @param  name                     Description of Parameter
    * @param  contex                   Description of Parameter
    * @param  properties               Description of Parameter
    * @return                          The ObjectInstance value
    * @exception  java.lang.Exception  Description of Exception
    */
   public java.lang.Object getObjectInstance( java.lang.Object reference, javax.naming.Name name, javax.naming.Context contex, java.util.Hashtable properties )
      throws java.lang.Exception {

      cat.debug( "SpyDestinationObjectFactory->getObjectInstance()" );

      try {

         javax.naming.Reference ref = ( javax.naming.Reference )reference;
         if ( ref.getClassName().equals( "org.jboss.mq.SpyTopic" ) ) {

            String dest = ( String )ref.get( "name" ).getContent();
            return new org.jboss.mq.SpyTopic( dest );
         } else if ( ref.getClassName().equals( "org.jboss.mq.SpyQueue" ) ) {

            String dest = ( String )ref.get( "name" ).getContent();
            return new org.jboss.mq.SpyQueue( dest );
         }
      } catch ( RuntimeException ignore ) {
      } catch ( Exception ignore ) {
         // This method should not throw an exception since
         // It would prevent another ObjectFactory from attempting
         // to create an instance of the object.
      }
      return null;
   }
}
