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