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Source code: org/apache/axis/encoding/ser/BeanSerializerFactory.java


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 java.io.IOException;
20  
21  import org.apache.axis.description.TypeDesc;
22  import org.apache.axis.encoding.Serializer;
23  import org.apache.axis.utils.BeanPropertyDescriptor;
24  import org.apache.axis.utils.BeanUtils;
25  import org.apache.axis.utils.JavaUtils;
26  
27  import javax.xml.namespace.QName;
28  import javax.xml.rpc.JAXRPCException;
29  
30  /**
31   * SerializerFactory for Bean
32   *
33   * @author Rich Scheuerle <scheu@us.ibm.com>
34   */
35  public class BeanSerializerFactory extends BaseSerializerFactory {
36  
37      protected transient TypeDesc typeDesc = null;
38      protected transient BeanPropertyDescriptor[] propertyDescriptor = null;
39  
40      public BeanSerializerFactory(Class javaType, QName xmlType) {
41          super(BeanSerializer.class, xmlType, javaType);
42          init(javaType);
43  
44      }
45  
46      private void init(Class javaType) {
47          // Sometimes an Enumeration class is registered as a Bean.
48          // If this is the case, silently switch to the EnumSerializer
49          if (JavaUtils.isEnumClass(javaType)) {
50              serClass = EnumSerializer.class;
51          }
52  
53          typeDesc = TypeDesc.getTypeDescForClass(javaType);
54  
55          if (typeDesc != null) {
56              propertyDescriptor = typeDesc.getPropertyDescriptors();
57          } else {
58              propertyDescriptor = BeanUtils.getPd(javaType, null);
59          }
60      }
61  
62      public javax.xml.rpc.encoding.Serializer getSerializerAs(String mechanismType)
63          throws JAXRPCException {
64          return (Serializer) super.getSerializerAs(mechanismType);
65      }
66  
67      /**
68       * Optimize construction of a BeanSerializer by caching the
69       * type and property descriptors.
70       */
71      protected Serializer getGeneralPurpose(String mechanismType) {
72          if (javaType == null || xmlType == null) {
73             return super.getGeneralPurpose(mechanismType);
74          }
75  
76          if (serClass == EnumSerializer.class) {
77             return super.getGeneralPurpose(mechanismType);
78          }
79  
80          return new BeanSerializer(javaType, xmlType, typeDesc, 
81                                    propertyDescriptor);
82      }
83  
84      private void readObject(java.io.ObjectInputStream in) throws IOException, ClassNotFoundException {
85          in.defaultReadObject();
86          init(javaType);
87      }
88  
89  }