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  
  * 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.expression;
 8  
 
 9  
 import org.mule.api.MuleMessage;
 10  
 import org.mule.api.expression.ExpressionEvaluator;
 11  
 import org.mule.api.expression.RequiredValueException;
 12  
 import org.mule.config.i18n.CoreMessages;
 13  
 
 14  
 import javax.activation.DataHandler;
 15  
 
 16  
 import static org.mule.expression.ExpressionConstants.OPTIONAL_ARGUMENT;
 17  
 
 18  
 /**
 19  
  * Looks up an attachment with the given name.
 20  
  *
 21  
  * @see MessageAttachmentsListExpressionEvaluator
 22  
  * @see MessageAttachmentsExpressionEvaluator
 23  
  * @see org.mule.api.expression.ExpressionEvaluator
 24  
  * @see DefaultExpressionManager
 25  
  */
 26  0
 public class MessageAttachmentExpressionEvaluator implements ExpressionEvaluator
 27  
 {
 28  
     public static final String NAME = "attachment";
 29  
 
 30  
     public Object evaluate(String expression, MuleMessage message)
 31  
     {
 32  0
         if (expression == null)
 33  
         {
 34  0
             return null;
 35  
         }
 36  
 
 37  
         boolean required;
 38  0
         if (expression.endsWith(OPTIONAL_ARGUMENT))
 39  
         {
 40  0
             expression = expression.substring(0, expression.length() - OPTIONAL_ARGUMENT.length());
 41  0
             required = false;
 42  
         }
 43  
         else
 44  
         {
 45  0
             required = true;
 46  
         }
 47  0
         DataHandler dh = message.getInboundAttachment(expression);
 48  
 
 49  0
         if (dh == null && required)
 50  
         {
 51  0
             throw new RequiredValueException(CoreMessages.expressionEvaluatorReturnedNull(NAME, expression));
 52  
         }
 53  0
         return dh;
 54  
     }
 55  
 
 56  
     /**
 57  
      * {@inheritDoc}
 58  
      */
 59  
     public String getName()
 60  
     {
 61  0
         return NAME;
 62  
     }
 63  
 
 64  
     /**
 65  
      * {@inheritDoc}
 66  
      */
 67  
     public void setName(String name)
 68  
     {
 69  0
         throw new UnsupportedOperationException();
 70  
     }
 71  
 }