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1   /*
2    * $Id: HttpRequestToInputStream.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.transport.servlet.transformers;
12  
13  import org.mule.api.transformer.TransformerException;
14  import org.mule.transformer.AbstractDiscoverableTransformer;
15  import org.mule.transformer.types.DataTypeFactory;
16  
17  import java.io.IOException;
18  import java.io.InputStream;
19  
20  import javax.servlet.http.HttpServletRequest;
21  
22  /**
23   * Converts a {@link HttpServletRequest} into an {@link InputStream}.
24   */
25  public class HttpRequestToInputStream extends AbstractDiscoverableTransformer
26  {
27      public HttpRequestToInputStream()
28      {
29          super();
30          registerSourceType(DataTypeFactory.create(HttpServletRequest.class));
31          setReturnDataType(DataTypeFactory.INPUT_STREAM);
32      }
33  
34      @Override
35      protected Object doTransform(Object src, String outputEncoding) throws TransformerException
36      {
37          try
38          {
39              return ((HttpServletRequest) src).getInputStream();
40          }
41          catch (IOException e)
42          {
43              throw new TransformerException(this, e);
44          }
45      }
46  }
47  
48