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1   /*
2    * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
3    * The software in this package is published under the terms of the CPAL v1.0
4    * license, a copy of which has been included with this distribution in the
5    * LICENSE.txt file.
6    */
7   package org.mule.transport.email.transformers;
8   
9   import org.mule.api.transformer.TransformerException;
10  import org.mule.transformer.AbstractTransformer;
11  import org.mule.transformer.types.DataTypeFactory;
12  
13  import java.io.ByteArrayOutputStream;
14  
15  import javax.mail.internet.MimeMessage;
16  
17  public class MimeMessageToRfc822ByteArray extends AbstractTransformer
18  {
19      public MimeMessageToRfc822ByteArray()
20      {
21          registerSourceType(DataTypeFactory.create(MimeMessage.class));
22          setReturnDataType(DataTypeFactory.BYTE_ARRAY);
23      }
24  
25      @Override
26      protected Object doTransform(Object src, String outputEncoding) throws TransformerException
27      {
28          try
29          {
30              MimeMessage mime = (MimeMessage) src;
31              ByteArrayOutputStream baos = new ByteArrayOutputStream();
32              mime.writeTo(baos);
33              return baos.toByteArray();
34          }
35          catch (Exception e)
36          {
37              throw new TransformerException(this, e);
38          }
39      }
40  }