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1   /*
2    * $Id: ErrorMessageToException.java 7963 2007-08-21 08:53:15Z dirk.olmes $
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.samples.errorhandler;
12  
13  import org.mule.transformers.AbstractTransformer;
14  import org.mule.umo.transformer.TransformerException;
15  
16  /**
17   * The <code>ErrorMessageToException</code> transformer extracts and returns 
18   * the exception encapsulated by the ErrorMessage message payload.
19   */
20  public class ErrorMessageToException extends AbstractTransformer
21  {
22  
23      public ErrorMessageToException()
24      {
25          registerSourceType(ErrorMessage.class);
26      }
27  
28      /*
29       * (non-Javadoc)
30       * 
31       * @see org.mule.transformers.AbstractTransformer#doTransform(java.lang.Object)
32       */
33      public Object doTransform(Object src, String encoding) throws TransformerException
34      {
35          try
36          {
37              return ((ErrorMessage)src).getException().toException();
38          }
39          catch (InstantiationException e)
40          {
41              throw new TransformerException(this, e);
42          }
43      }
44  
45  }