Coverage Report - org.mule.transport.jms.transformers.JMSMessageToObject
 
Classes in this File Line Coverage Branch Coverage Complexity
JMSMessageToObject
86%
18/21
62%
10/16
5
 
 1  
 /*
 2  
  * $Id: JMSMessageToObject.java 11516 2008-03-31 01:38:13Z rossmason $
 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.transport.jms.transformers;
 12  
 
 13  
 import org.mule.api.MuleMessage;
 14  
 import org.mule.api.transformer.TransformerException;
 15  
 import org.mule.util.ClassUtils;
 16  
 
 17  
 import javax.jms.Message;
 18  
 import javax.jms.TextMessage;
 19  
 import javax.jms.ObjectMessage;
 20  
 import javax.jms.BytesMessage;
 21  
 import javax.jms.MapMessage;
 22  
 import javax.jms.StreamMessage;
 23  
 
 24  
 /**
 25  
  * <code>JMSMessageToObject</code> Will convert a <code>javax.jms.Message</code>
 26  
  * or sub-type into an object by extracting the message payload. Users of this
 27  
  * transformer can set different return types on the transform to control the way it
 28  
  * behaves.
 29  
  * <ul>
 30  
  * <li>javax.jms.TextMessage - java.lang.String</li>
 31  
  * <li>javax.jms.ObjectMessage - java.lang.Object</li>
 32  
  * <li>javax.jms.BytesMessage - Byte[]. Note that the transformer will check if the
 33  
  * payload is compressed and automatically uncompress the message.</li>
 34  
  * <li>javax.jms.MapMessage - java.util.Map</li>
 35  
  * <li>javax.jms.StreamMessage - java.util.Vector of objects from the Stream
 36  
  * Message.</li>
 37  
  * </ul>
 38  
  */
 39  
 
 40  
 public class JMSMessageToObject extends AbstractJmsTransformer
 41  
 {
 42  
 
 43  
     public JMSMessageToObject()
 44  
     {
 45  1070
         super();
 46  1070
         registerSourceType(Message.class);
 47  1070
         registerSourceType(TextMessage.class);
 48  1070
         registerSourceType(ObjectMessage.class);
 49  1070
         registerSourceType(BytesMessage.class);
 50  1070
         registerSourceType(MapMessage.class);
 51  1070
         registerSourceType(StreamMessage.class);
 52  1070
     }
 53  
 
 54  
     public Object transform(MuleMessage message, String outputEncoding) throws TransformerException
 55  
     {
 56  
         try
 57  
         {
 58  177
             if (logger.isDebugEnabled())
 59  
             {
 60  0
                 logger.debug("Source object is " + ClassUtils.getSimpleName(message.getPayload().getClass()));
 61  
             }
 62  
 
 63  176
             Object result = transformFromMessage((Message) message.getPayload());
 64  
 
 65  
             //We need to handle String / byte[] explicitly since this transformer does not nefine a single return type
 66  
             //TODO I don't think we should allow a null return class
 67  176
             if (returnClass != null)
 68  
             {
 69  176
                 if (returnClass.equals(byte[].class) && result instanceof String)
 70  
                 {
 71  2
                     result = result.toString().getBytes(outputEncoding);
 72  
                 }
 73  173
                 else if (returnClass.equals(String.class) && result instanceof byte[])
 74  
                 {
 75  0
                     result = new String((byte[]) result, outputEncoding);
 76  
                 }
 77  
             }
 78  
 
 79  175
             if (logger.isDebugEnabled())
 80  
             {
 81  0
                 logger.debug("Resulting object is " + ClassUtils.getSimpleName(result.getClass()));
 82  
             }
 83  
 
 84  176
             return result;
 85  
         }
 86  2
         catch (Exception e)
 87  
         {
 88  2
             throw new TransformerException(this, e);
 89  
         }
 90  
     }
 91  
 
 92  
 }