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Java > Open Source Codes > org > apache > geronimo > activation > handlers > MultipartHandler


1 /**
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. 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 JavaDoc;
20 import java.awt.datatransfer.UnsupportedFlavorException JavaDoc;
21 import java.io.IOException JavaDoc;
22 import java.io.OutputStream JavaDoc;
23 import javax.activation.ActivationDataFlavor JavaDoc;
24 import javax.activation.DataContentHandler JavaDoc;
25 import javax.activation.DataSource JavaDoc;
26 import javax.mail.MessagingException JavaDoc;
27 import javax.mail.internet.MimeMultipart JavaDoc;
28
29 /**
30  * @version $Rev: 476049 $ $Date: 2006-11-16 23:35:17 -0500 (Thu, 16 Nov 2006) $
31  */
32 public class MultipartHandler implements DataContentHandler JavaDoc {
33     private final DataFlavor JavaDoc flavour;
34
35     public MultipartHandler() {
36         flavour = new ActivationDataFlavor JavaDoc(MimeMultipart JavaDoc.class, "multipart/mixed", "Multipart MIME");
37     }
38
39     public DataFlavor JavaDoc[] getTransferDataFlavors() {
40         return new DataFlavor JavaDoc[]{flavour};
41     }
42
43     public Object JavaDoc getTransferData(DataFlavor JavaDoc df, DataSource JavaDoc ds) throws UnsupportedFlavorException JavaDoc, IOException JavaDoc {
44         return flavour.equals(df) ? getContent(ds) : null;
45     }
46
47     public Object JavaDoc getContent(DataSource JavaDoc ds) throws IOException JavaDoc {
48         try {
49             return new MimeMultipart JavaDoc(ds);
50         } catch (MessagingException JavaDoc e) {
51             throw (IOException JavaDoc) new IOException JavaDoc(e.getMessage()).initCause(e);
52         }
53     }
54
55     public void writeTo(Object JavaDoc obj, String JavaDoc mimeType, OutputStream JavaDoc os) throws IOException JavaDoc {
56         if (obj instanceof MimeMultipart JavaDoc) {
57             MimeMultipart JavaDoc mp = (MimeMultipart JavaDoc) obj;
58             try {
59                 mp.writeTo(os);
60             } catch (MessagingException JavaDoc e) {
61                 throw (IOException JavaDoc) new IOException JavaDoc(e.getMessage()).initCause(e);
62             }
63         }
64     }
65 }
66
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