Coverage Report - org.mule.expression.MessageAttachmentExpressionEvaluator
 
Classes in this File Line Coverage Branch Coverage Complexity
MessageAttachmentExpressionEvaluator
0%
0/13
0%
0/8
3
 
 1  
 /*
 2  
  * $Id: MessageAttachmentExpressionEvaluator.java 19191 2010-08-25 21:05:23Z tcarlson $
 3  
  * --------------------------------------------------------------------------------------
 4  
  * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.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.expression;
 12  
 
 13  
 import org.mule.api.MuleMessage;
 14  
 import org.mule.api.expression.ExpressionEvaluator;
 15  
 import org.mule.api.expression.RequiredValueException;
 16  
 import org.mule.config.i18n.CoreMessages;
 17  
 
 18  
 import javax.activation.DataHandler;
 19  
 
 20  
 /**
 21  
  * Looks up an attachment with the given name.
 22  
  *
 23  
  * @see MessageAttachmentsListExpressionEvaluator
 24  
  * @see MessageAttachmentsExpressionEvaluator
 25  
  * @see org.mule.api.expression.ExpressionEvaluator
 26  
  * @see DefaultExpressionManager
 27  
  */
 28  0
 public class MessageAttachmentExpressionEvaluator implements ExpressionEvaluator, ExpressionConstants
 29  
 {
 30  
     public static final String NAME = "attachment";
 31  
 
 32  
     public Object evaluate(String expression, MuleMessage message)
 33  
     {
 34  0
         if (expression == null)
 35  
         {
 36  0
             return null;
 37  
         }
 38  
 
 39  
         boolean required;
 40  0
         if (expression.endsWith(OPTIONAL_ARGUMENT))
 41  
         {
 42  0
             expression = expression.substring(0, expression.length() - OPTIONAL_ARGUMENT.length());
 43  0
             required = false;
 44  
         }
 45  
         else
 46  
         {
 47  0
             required = true;
 48  
         }
 49  0
         DataHandler dh = message.getInboundAttachment(expression);
 50  
 
 51  0
         if (dh == null && required)
 52  
         {
 53  0
             throw new RequiredValueException(CoreMessages.expressionEvaluatorReturnedNull(NAME, expression));
 54  
         }
 55  0
         return dh;
 56  
     }
 57  
 
 58  
     /**
 59  
      * {@inheritDoc}
 60  
      */
 61  
     public String getName()
 62  
     {
 63  0
         return NAME;
 64  
     }
 65  
 
 66  
     /**
 67  
      * {@inheritDoc}
 68  
      */
 69  
     public void setName(String name)
 70  
     {
 71  0
         throw new UnsupportedOperationException();
 72  
     }
 73  
 }