Source code: org/apache/axis/encoding/ser/SimpleDeserializerFactory.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 org.apache.axis.utils.BeanUtils;
20 import org.apache.axis.utils.BeanPropertyDescriptor;
21 import org.apache.axis.utils.JavaUtils;
22
23 import javax.xml.namespace.QName;
24 import javax.xml.rpc.JAXRPCException;
25 import java.lang.reflect.Constructor;
26 import java.io.IOException;
27
28 /**
29 * A deserializer for any simple type with a (String) constructor. Note:
30 * this class is designed so that subclasses need only override the makeValue
31 * method in order to construct objects of their own type.
32 *
33 * @author Glen Daniels (gdaniels@apache.org)
34 * @author Sam Ruby (rubys@us.ibm.com)
35 * Modified for JAX-RPC @author Rich Scheuerle (scheu@us.ibm.com)
36 */
37 public class SimpleDeserializerFactory extends BaseDeserializerFactory {
38
39 private static final Class[] STRING_STRING_CLASS =
40 new Class [] {String.class, String.class};
41
42 private static final Class[] STRING_CLASS =
43 new Class [] {String.class};
44
45 private transient Constructor constructor = null;
46 private boolean isBasicType = false;
47 /**
48 * Note that the factory is constructed with the QName and xmlType. This is important
49 * to allow distinction between primitive values and java.lang wrappers.
50 **/
51 public SimpleDeserializerFactory(Class javaType, QName xmlType) {
52 super(SimpleDeserializer.class, xmlType, javaType);
53 this.isBasicType = JavaUtils.isBasic(javaType);
54 initConstructor(javaType);
55 }
56
57 private void initConstructor(Class javaType) {
58 if (!this.isBasicType) {
59 // discover the constructor for non basic types
60 try {
61 if (QName.class.isAssignableFrom(javaType)) {
62 constructor =
63 javaType.getDeclaredConstructor(STRING_STRING_CLASS);
64 } else {
65 constructor =
66 javaType.getDeclaredConstructor(STRING_CLASS);
67 }
68 } catch (NoSuchMethodException e) {
69 try {
70 constructor =
71 javaType.getDeclaredConstructor(new Class[]{});
72 BeanPropertyDescriptor[] pds = BeanUtils.getPd(javaType);
73 if(pds != null) {
74 if(BeanUtils.getSpecificPD(pds,"_value")!=null){
75 return;
76 }
77 }
78 throw new IllegalArgumentException(e.toString());
79 } catch (NoSuchMethodException ex) {
80 throw new IllegalArgumentException(ex.toString());
81 }
82 }
83 }
84 }
85
86 /**
87 * Get the Deserializer and the set the Constructor so the
88 * deserializer does not have to do introspection.
89 */
90 public javax.xml.rpc.encoding.Deserializer getDeserializerAs(String mechanismType)
91 throws JAXRPCException {
92 if (javaType == java.lang.Object.class) {
93 return null;
94 }
95 if (this.isBasicType) {
96 return new SimpleDeserializer(javaType, xmlType);
97 } else {
98 // XXX: don't think we can always expect to be SimpleDeserializer
99 // since getSpecialized() might return a different type
100 SimpleDeserializer deser =
101 (SimpleDeserializer) super.getDeserializerAs(mechanismType);
102 if (deser != null) {
103 deser.setConstructor(constructor);
104 }
105 return deser;
106 }
107 }
108
109 private void readObject(java.io.ObjectInputStream in) throws IOException, ClassNotFoundException {
110 in.defaultReadObject();
111 initConstructor(javaType);
112 }
113
114 }