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1   /**
2    *
3    * Copyright 2005 The Apache Software Foundation
4    *
5    *  Licensed under the Apache License, Version 2.0 (the "License");
6    *  you may not use this file except in compliance with the License.
7    *  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   *  Unless required by applicable law or agreed to in writing, software
12   *  distributed under the License is distributed on an "AS IS" BASIS,
13   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   *  See the License for the specific language governing permissions and
15   *  limitations under the License.
16   */
17  package org.apache.geronimo.activation.handlers;
18  
19  import java.awt.datatransfer.DataFlavor;
20  import java.awt.datatransfer.UnsupportedFlavorException;
21  import java.io.IOException;
22  import java.io.OutputStream;
23  import javax.activation.ActivationDataFlavor;
24  import javax.activation.DataContentHandler;
25  import javax.activation.DataSource;
26  import javax.mail.MessagingException;
27  import javax.mail.internet.MimeMultipart;
28  
29  /**
30   * @version $Rev: 356022 $ $Date: 2005-12-11 12:58:34 -0800 (Sun, 11 Dec 2005) $
31   */
32  public class MultipartHandler implements DataContentHandler {
33      private final DataFlavor flavour;
34  
35      public MultipartHandler() {
36          flavour = new ActivationDataFlavor(MimeMultipart.class, "multipart/mixed", "Multipart MIME");
37      }
38  
39      public DataFlavor[] getTransferDataFlavors() {
40          return new DataFlavor[]{flavour};
41      }
42  
43      public Object getTransferData(DataFlavor df, DataSource ds) throws UnsupportedFlavorException, IOException {
44          return flavour.equals(df) ? getContent(ds) : null;
45      }
46  
47      public Object getContent(DataSource ds) throws IOException {
48          try {
49              return new MimeMultipart(ds);
50          } catch (MessagingException e) {
51              throw (IOException) new IOException(e.getMessage()).initCause(e);
52          }
53      }
54  
55      public void writeTo(Object obj, String mimeType, OutputStream os) throws IOException {
56          if (obj instanceof MimeMultipart) {
57              MimeMultipart mp = (MimeMultipart) obj;
58              try {
59                  mp.writeTo(os);
60              } catch (MessagingException e) {
61                  throw (IOException) new IOException(e.getMessage()).initCause(e);
62              }
63          }
64      }
65  }