Coverage Report - org.mule.expression.MessageAttachmentExpressionEvaluator
 
Classes in this File Line Coverage Branch Coverage Complexity
MessageAttachmentExpressionEvaluator
0%
0/13
0%
0/8
0
 
 1  
 /*
 2  
  * $Id: MessageAttachmentExpressionEvaluator.java 20321 2010-11-24 15:21:24Z dfeist $
 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  
 import static org.mule.expression.ExpressionConstants.OPTIONAL_ARGUMENT;
 21  
 
 22  
 /**
 23  
  * Looks up an attachment with the given name.
 24  
  *
 25  
  * @see MessageAttachmentsListExpressionEvaluator
 26  
  * @see MessageAttachmentsExpressionEvaluator
 27  
  * @see org.mule.api.expression.ExpressionEvaluator
 28  
  * @see DefaultExpressionManager
 29  
  */
 30  0
 public class MessageAttachmentExpressionEvaluator implements ExpressionEvaluator
 31  
 {
 32  
     public static final String NAME = "attachment";
 33  
 
 34  
     public Object evaluate(String expression, MuleMessage message)
 35  
     {
 36  0
         if (expression == null)
 37  
         {
 38  0
             return null;
 39  
         }
 40  
 
 41  
         boolean required;
 42  0
         if (expression.endsWith(OPTIONAL_ARGUMENT))
 43  
         {
 44  0
             expression = expression.substring(0, expression.length() - OPTIONAL_ARGUMENT.length());
 45  0
             required = false;
 46  
         }
 47  
         else
 48  
         {
 49  0
             required = true;
 50  
         }
 51  0
         DataHandler dh = message.getInboundAttachment(expression);
 52  
 
 53  0
         if (dh == null && required)
 54  
         {
 55  0
             throw new RequiredValueException(CoreMessages.expressionEvaluatorReturnedNull(NAME, expression));
 56  
         }
 57  0
         return dh;
 58  
     }
 59  
 
 60  
     /**
 61  
      * {@inheritDoc}
 62  
      */
 63  
     public String getName()
 64  
     {
 65  0
         return NAME;
 66  
     }
 67  
 
 68  
     /**
 69  
      * {@inheritDoc}
 70  
      */
 71  
     public void setName(String name)
 72  
     {
 73  0
         throw new UnsupportedOperationException();
 74  
     }
 75  
 }