OctetStreamDataHandlerDeserializer


1   /*
2    * Copyright 2001-2004 The Apache Software Foundation.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.apache.axis.encoding.ser;
18  
19  import org.apache.axis.components.logger.LogFactory;
20  import org.apache.axis.encoding.DeserializationContext;
21  import org.apache.axis.attachments.OctetStream;
22  import org.apache.commons.logging.Log;
23  import org.xml.sax.Attributes  ;
24  import org.xml.sax.SAXException  ;
25  
26  import javax.activation.DataHandler  ;
27  import java.io.IOException  ;
28  import java.io.InputStream  ;
29  import java.io.ByteArrayOutputStream  ;
30  
31  /**
32   * application/octet-stream DataHandler Deserializer
33   * Modified by Davanum Srinivas <dims@yahoo.com>
34   */
35  public class OctetStreamDataHandlerDeserializer extends JAFDataHandlerDeserializer {
36      protected static Log log =
37              LogFactory.getLog(OctetStreamDataHandlerDeserializer.class.getName());
38  
39      public void startElement(String   namespace, String   localName,
40                               String   prefix, Attributes   attributes,
41                               DeserializationContext context)
42              throws SAXException   {
43  
44          super.startElement(namespace, localName, prefix, attributes, context);
45  
46          if (getValue() instanceof DataHandler  ) {
47              try {
48                  DataHandler   dh = (DataHandler  ) getValue();
49                  InputStream   in = dh.getInputStream();
50                  ByteArrayOutputStream   baos = new ByteArrayOutputStream  ();
51                  int byte1 = -1;
52                  while((byte1 = in.read())!=-1)
53                      baos.write(byte1);
54                  OctetStream os = new OctetStream(baos.toByteArray());
55                  setValue(os);
56              } catch (IOException   ioe) {
57              }
58          }
59      } // startElement
60  } // class OctetStreamDataHandlerDeserializer
61
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