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1   /*
2    * $Id: ServletTransformer.java 21020 2011-01-14 08:13:37Z 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  package org.mule.transport.http.servlet;
11  
12  import org.mule.api.MuleEvent;
13  import org.mule.api.MuleMessage;
14  import org.mule.api.transformer.TransformerException;
15  import org.mule.api.transformer.TransformerMessagingException;
16  import org.mule.transformer.AbstractMessageTransformer;
17  import org.mule.transport.http.HttpConnector;
18  
19  /**
20   * THIS CLASS IS UNSUPPORTED AND THE IMPLEMENTATION DOES NOT CONFORM TO THE SERVLET SPECIFICATION!
21   * 
22   * With that said, it can be used to make integration with libraries that only support servlets 
23   * easier. However, it is not guaranteed to work.
24   */
25  public class ServletTransformer extends AbstractMessageTransformer
26  {
27  
28      @Override
29      public Object transform(Object src, MuleEvent event) throws TransformerMessagingException
30      {
31          MuleMessage message = (MuleMessage) src;
32          
33          message.setInvocationProperty(HttpConnector.HTTP_SERVLET_REQUEST_PROPERTY, new MuleHttpServletRequest(event));
34          message.setInvocationProperty(HttpConnector.HTTP_SERVLET_RESPONSE_PROPERTY, new MuleHttpServletResponse(event));
35          
36          return message;
37      }
38  
39      @Override
40      public Object transformMessage(MuleMessage message, String outputEncoding) throws TransformerException
41      {
42          throw new IllegalStateException();
43      }
44  }