ImageDataHandlerDeserializer


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.image.ImageIOFactory;
20  import org.apache.axis.components.logger.LogFactory;
21  import org.apache.axis.encoding.DeserializationContext;
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.awt.*;
28  import java.io.InputStream  ;
29  
30  /**
31   * ImageDataHandler Deserializer
32   * Modified by Russell Butek <butek@us.ibm.com>
33   */
34  public class ImageDataHandlerDeserializer extends JAFDataHandlerDeserializer {
35      protected static Log log =
36              LogFactory.getLog(ImageDataHandlerDeserializer.class.getName());
37  
38      public void startElement(String   namespace, String   localName,
39                               String   prefix, Attributes   attributes,
40                               DeserializationContext context)
41          throws SAXException   {
42  
43          super.startElement(namespace, localName, prefix, attributes, context);
44  
45          if (getValue() instanceof DataHandler  ) {
46              try {
47                  DataHandler   dh = (DataHandler  ) getValue();
48  
49                  InputStream   is = dh.getInputStream();
50                  Image image = ImageIOFactory.getImageIO().loadImage(is);
51                  setValue(image);
52              }
53              catch (Exception   e) {
54              }
55          }
56      } // startElement
57  } // class ImageDataHandlerDeserializer
58
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