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1   /*
2    * $Id: NoActionTransformer.java 19250 2010-08-30 16:53:14Z dirk.olmes $
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.tck.transformer;
12  
13  import org.mule.api.transformer.TransformerException;
14  import org.mule.transformer.AbstractTransformer;
15  import org.mule.transformer.types.DataTypeFactory;
16  
17  /**
18   * <code>NoActionTransformer</code> doesn't do any transformation on the source
19   * object and returns the source as the result. This can be used to overload the
20   * default transform for an endpoint.
21   */
22  public final class NoActionTransformer extends AbstractTransformer
23  {
24  
25      public NoActionTransformer()
26      {
27          registerSourceType(DataTypeFactory.OBJECT);
28          setReturnDataType(DataTypeFactory.OBJECT);
29      }
30  
31      @Override
32      public Object doTransform(Object src, String encoding) throws TransformerException
33      {
34          return src;
35      }
36  
37      @Override
38      public boolean isAcceptNull()
39      {
40          return true;
41      }
42  
43  }