View Javadoc

1   /*
2    * $Id: ObjectToRemoteInvocationResultTransformer.java 10789 2008-02-12 20:04:43Z dfeist $
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.module.spring.remoting;
12  
13  import org.mule.api.transformer.TransformerException;
14  import org.mule.transformer.AbstractTransformer;
15  
16  import java.io.ObjectOutputStream;
17  
18  import org.apache.commons.io.output.ByteArrayOutputStream;
19  import org.springframework.remoting.support.RemoteInvocationResult;
20  
21  public class ObjectToRemoteInvocationResultTransformer extends AbstractTransformer
22  {
23  
24      public ObjectToRemoteInvocationResultTransformer()
25      {
26          super();
27          setReturnClass(byte[].class);
28      }
29  
30      protected Object doTransform(Object src, String encoding) throws TransformerException
31      {
32          try
33          {
34              if (logger.isDebugEnabled())
35              {
36                  logger.debug("ObjectToRemoteInvocationResult.doTransform(" + src + ")");
37              }
38  
39              RemoteInvocationResult rval;
40  
41              if (src instanceof RemoteInvocationResult)
42              {
43                  rval = (RemoteInvocationResult)src;
44              }
45              else
46              {
47                  rval = new RemoteInvocationResult(src);
48              }
49  
50              ByteArrayOutputStream baos = new ByteArrayOutputStream();
51              ObjectOutputStream oos = new ObjectOutputStream(baos);
52              oos.writeObject(rval);
53              oos.close();
54              return baos.toByteArray();
55          }
56          catch (Exception e)
57          {
58              throw new TransformerException(this, e);
59          }
60      }
61  
62  }