Base64Deserializer


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.encoding.Base64;
20  
21  import javax.xml.namespace.QName  ;
22  
23  /**
24   * Deserializer for Base64
25   *
26   * @author Sam Ruby <rubys@us.ibm.com>
27   * Modified by @author Rich scheuerle <scheu@us.ibm.com>
28   * @see <a HREF="http://www.w3.org/TR/xmlschema-2/#base64Binary">XML Schema 3.2.16</a>
29   */
30  public class Base64Deserializer extends SimpleDeserializer  {
31  
32      public Base64Deserializer(Class   javaType, QName   xmlType) {
33          super(javaType, xmlType);
34      }
35  
36      /**
37       * Convert the string that has been accumulated into an Object.  Subclasses
38       * may override this.  Note that if the javaType is a primitive, the returned
39       * object is a wrapper class.
40       * @param source the serialized value to be deserialized
41       * @throws Exception any exception thrown by this method will be wrapped
42       */
43      public Object   makeValue(String   source) throws Exception   {
44          byte [] value = Base64.decode(source);
45          
46          if (value == null) {
47              if (javaType == Byte  [].class) {
48                  return new Byte  [0];
49              } else {
50                  return new byte[0];
51              }
52          }
53          
54          if (javaType == Byte  [].class) {
55              Byte  [] data = new Byte  [ value.length ];
56              for (int i=0; i<data.length; i++) {
57                  byte b = value[i];
58                  data[i] = new Byte  (b);
59              }
60              return data;
61          }
62          return value;
63      }
64  }
65
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