Coverage Report - org.mule.providers.jms.DefaultJmsTopicResolver
 
Classes in this File Line Coverage Branch Coverage Complexity
DefaultJmsTopicResolver
0%
0/16
0%
0/2
1.333
 
 1  
 /*
 2  
  * $Id: DefaultJmsTopicResolver.java 7976 2007-08-21 14:26:13Z dirk.olmes $
 3  
  * --------------------------------------------------------------------------------------
 4  
  * Copyright (c) MuleSource, Inc.  All rights reserved.  http://www.mulesource.com
 5  
  *
 6  
  * The software in this package is published under the terms of the CPAL v1.0
 7  
  * license, a copy of which has been included with this distribution in the
 8  
  * LICENSE.txt file.
 9  
  */
 10  
 
 11  
 package org.mule.providers.jms;
 12  
 
 13  
 import org.mule.umo.endpoint.UMOImmutableEndpoint;
 14  
 import org.mule.util.MapUtils;
 15  
 import org.mule.util.StringMessageUtils;
 16  
 
 17  
 import javax.jms.Destination;
 18  
 import javax.jms.Queue;
 19  
 import javax.jms.Topic;
 20  
 
 21  
 import org.apache.commons.logging.Log;
 22  
 import org.apache.commons.logging.LogFactory;
 23  
 
 24  
 /**
 25  
  * A default implementation of the resolver uses endpoint's
 26  
  * resource info and Java's {@code instanceof} operator to
 27  
  * detect JMS topics.
 28  
  */
 29  
 public class DefaultJmsTopicResolver implements JmsTopicResolver
 30  
 {
 31  
     /**
 32  
      * logger used by this class
 33  
      */
 34  0
     protected static final Log logger = LogFactory.getLog(DefaultJmsTopicResolver.class);
 35  
 
 36  
     /**
 37  
      * Connector back-reference.
 38  
      */
 39  
     private JmsConnector connector;
 40  
 
 41  
     /**
 42  
      * Create an instance of the resolver.
 43  
      * @param connector owning connector
 44  
      */
 45  
     public DefaultJmsTopicResolver (final JmsConnector connector)
 46  0
     {
 47  0
         this.connector = connector;
 48  0
     }
 49  
 
 50  
 
 51  
     /**
 52  
      * Getter for property 'connector'.
 53  
      *
 54  
      * @return Value for property 'connector'.
 55  
      */
 56  
     public JmsConnector getConnector ()
 57  
     {
 58  0
         return connector;
 59  
     }
 60  
 
 61  
     /**
 62  
      * Will use endpoint's resource info to detect a topic,
 63  
      * as in {@code jms://topic:trade.PriceUpdatesTopic}. This
 64  
      * method will call {@link #isTopic(org.mule.umo.endpoint.UMOImmutableEndpoint, boolean)}
 65  
      * with fallback flag set to <strong>false</false>.
 66  
      * <p/>
 67  
      * <strong>NOTE:</strong> When using topics, use the '.' (dot) symbol for subcontext separation,
 68  
      * as opposed to '/'. Otherwise the resource info may not get properly translated for the
 69  
      * topic endpoint due to the way URI's are parsed. 
 70  
      * @param endpoint endpoint to test
 71  
      * @return true if the endpoint has a topic configuration
 72  
      * @see #isTopic(org.mule.umo.endpoint.UMOImmutableEndpoint, boolean) 
 73  
      */
 74  
     public boolean isTopic (UMOImmutableEndpoint endpoint)
 75  
     {
 76  0
         return isTopic(endpoint, false);
 77  
     }
 78  
 
 79  
     /** {@inheritDoc} */
 80  
     public boolean isTopic (UMOImmutableEndpoint endpoint, boolean fallbackToEndpointProperties)
 81  
     {
 82  0
         final String resourceInfo = endpoint.getEndpointURI().getResourceInfo();
 83  0
         boolean topic = JmsConstants.TOPIC_PROPERTY.equalsIgnoreCase(resourceInfo);
 84  0
         if (!topic && fallbackToEndpointProperties)
 85  
         {
 86  0
             topic = MapUtils.getBooleanValue(endpoint.getProperties(), JmsConstants.TOPIC_PROPERTY, false);
 87  
         }
 88  
 
 89  0
         return topic;
 90  
     }
 91  
 
 92  
     /**
 93  
      * Will use an {@code instanceof} operator. Keep in mind
 94  
      * that may fail for JMS systems implementing both a
 95  
      * {@code javax.jms.Topic} and {@code javax.jms.Queue} in
 96  
      * a single destination class implementation.
 97  
      * @param destination a jms destination to test
 98  
      * @return {@code true} if the destination is a topic
 99  
      */
 100  
     public boolean isTopic (Destination destination)
 101  
     {
 102  0
         checkInvariants(destination);
 103  
 
 104  0
         return destination instanceof Topic;
 105  
     }
 106  
 
 107  
     /**
 108  
      * Perform some sanity checks, will complain in the log.
 109  
      * @param destination destination to test
 110  
      */
 111  
     protected void checkInvariants (final Destination destination)
 112  
     {
 113  0
         if (destination instanceof Topic && destination instanceof Queue
 114  
             && connector.getJmsSupport() instanceof Jms102bSupport)
 115  
         {
 116  0
             logger.error(StringMessageUtils.getBoilerPlate(
 117  
                     "Destination implements both Queue and Topic "
 118  
                     + "while complying with JMS 1.0.2b specification. "
 119  
                     + "Please report your application server or JMS vendor name and version "
 120  
                     + "to dev<_at_>mule.codehaus.org or http://www.mulesource.org/jira"));
 121  
         }
 122  0
     }
 123  
 }