src/share/jaxws_classes/com/sun/xml/internal/ws/spi/db/JAXBWrapperAccessor.java

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1 /*
2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.xml.internal.ws.spi.db;
27
28 import java.lang.reflect.Array;
29 import java.lang.reflect.Field;
30 import java.lang.reflect.GenericArrayType;
31 import java.lang.reflect.Method;
32 import java.lang.reflect.ParameterizedType;
33 import java.lang.reflect.Type;
34 import java.security.AccessController;
35 import java.security.PrivilegedActionException;
36 import java.security.PrivilegedExceptionAction;
37 import java.util.ArrayList;
38 import java.util.HashMap;
39 import java.util.HashSet;
40 import java.util.List;
41
42 import javax.xml.bind.JAXBElement;
43 import javax.xml.bind.annotation.XmlElement;
44 import javax.xml.bind.annotation.XmlElementRef;
45 import javax.xml.namespace.QName;
46
47 /**
48 * JAXBWrapperAccessor
49 *
50 * @author shih-chang.chen@oracle.com
51 */
52 @SuppressWarnings({ "unchecked", "rawtypes" })
53 public class JAXBWrapperAccessor extends WrapperAccessor {
54
55 protected Class<?> contentClass;
56 protected HashMap<Object, Class> elementDeclaredTypes;
57
58 public JAXBWrapperAccessor(Class<?> wrapperBean) {
59 contentClass = (Class<?>) wrapperBean;
60
61 HashMap<Object, PropertySetter> setByQName = new HashMap<Object, PropertySetter>();
62 HashMap<Object, PropertySetter> setByLocalpart = new HashMap<Object, PropertySetter>();
63 HashMap<String, Method> publicSetters = new HashMap<String, Method>();
64
65 HashMap<Object, PropertyGetter> getByQName = new HashMap<Object, PropertyGetter>();
66 HashMap<Object, PropertyGetter> getByLocalpart = new HashMap<Object, PropertyGetter>();
67 HashMap<String, Method> publicGetters = new HashMap<String, Method>();
68
69 HashMap<Object, Class> elementDeclaredTypesByQName = new HashMap<Object, Class>();
70 HashMap<Object, Class> elementDeclaredTypesByLocalpart = new HashMap<Object, Class>();
71
72 for (Method method : contentClass.getMethods()) {
73 if (PropertySetterBase.setterPattern(method)) {
74 String key = method.getName()
75 .substring(3, method.getName().length()).toLowerCase();
76 publicSetters.put(key, method);
77 }
78 if (PropertyGetterBase.getterPattern(method)) {
79 String methodName = method.getName();
80 String key = methodName.startsWith("is") ? methodName
81 .substring(2, method.getName().length()).toLowerCase()
82 : methodName.substring(3, method.getName().length())
83 .toLowerCase();
84 publicGetters.put(key, method);
85 }
86 }
87 HashSet<String> elementLocalNames = new HashSet<String>();
88 for (Field field : getAllFields(contentClass)) {
89 XmlElement xmlElem = field.getAnnotation(XmlElement.class);
90 XmlElementRef xmlElemRef = field.getAnnotation(XmlElementRef.class);
91 String fieldName = field.getName().toLowerCase();
92 String namespace = "";
93 String localName = field.getName();
94 if (xmlElem != null) {
95 namespace = xmlElem.namespace();
96 if (xmlElem.name() != null && !xmlElem.name().equals("")
97 && !xmlElem.name().equals("##default")) {
98 localName = xmlElem.name();
99 }
100 } else if (xmlElemRef != null) {
101 namespace = xmlElemRef.namespace();
102 if (xmlElemRef.name() != null && !xmlElemRef.name().equals("")
103 && !xmlElemRef.name().equals("##default")) {
104 localName = xmlElemRef.name();
105 }
106 }
107 if (elementLocalNames.contains(localName)) {
108 this.elementLocalNameCollision = true;
109 } else {
110 elementLocalNames.add(localName);
111 }
112
113 QName qname = new QName(namespace, localName);
114 if (field.getType().equals(JAXBElement.class)) {
115 Class elementDeclaredType = Object.class;
116 if (field.getGenericType() instanceof ParameterizedType) {
117 Type arg = ((ParameterizedType) field.getGenericType())
118 .getActualTypeArguments()[0];
119 if (arg instanceof Class) {
120 elementDeclaredTypesByQName.put(qname, (Class) arg);
121 elementDeclaredTypesByLocalpart.put(localName,
122 (Class) arg);
123 } else if (arg instanceof GenericArrayType) {
124 Type componentType = ((GenericArrayType) arg)
125 .getGenericComponentType();
126 if (componentType instanceof Class) {
127 Class arrayClass = Array.newInstance(
128 (Class) componentType, 0).getClass();
129 elementDeclaredTypesByQName.put(qname, arrayClass);
130 elementDeclaredTypesByLocalpart.put(localName,
131 arrayClass);
132 }
133 }
134 }
135
136 }
137 // _return
138 if (fieldName.startsWith("_") && !localName.startsWith("_")) {
139 fieldName = fieldName.substring(1);
140 }
141 Method setMethod = publicSetters.get(fieldName);
142 Method getMethod = publicGetters.get(fieldName);
143 PropertySetter setter = createPropertySetter(field, setMethod);
144 PropertyGetter getter = createPropertyGetter(field, getMethod);
145 setByQName.put(qname, setter);
146 setByLocalpart.put(localName, setter);
147 getByQName.put(qname, getter);
148 getByLocalpart.put(localName, getter);
149 }
150 if (this.elementLocalNameCollision) {
151 this.propertySetters = setByQName;
152 this.propertyGetters = getByQName;
153 elementDeclaredTypes = elementDeclaredTypesByQName;
154 } else {
155 this.propertySetters = setByLocalpart;
156 this.propertyGetters = getByLocalpart;
157 elementDeclaredTypes = elementDeclaredTypesByLocalpart;
158 }
159 }
160
161 static protected List<Field> getAllFields(Class<?> clz) {
162 List<Field> list = new ArrayList<Field>();
163 while (!Object.class.equals(clz)) {
164 for (Field f : getDeclaredFields(clz)) list.add(f);
165 clz = clz.getSuperclass();
166 }
167 return list;
168 }
169
170 static protected Field[] getDeclaredFields(final Class<?> clz) {
171 try {
172 return (System.getSecurityManager() == null) ? clz .getDeclaredFields() :
173 AccessController.doPrivileged(new PrivilegedExceptionAction<Field[]>() {
174 public Field[] run() throws IllegalAccessException {
175 return clz.getDeclaredFields();
176 }
177 });
178 } catch (PrivilegedActionException e) {
179 // TODO Auto-generated catch block
180 e.printStackTrace();
181 return null;
182 }
183 }
184
185 static protected PropertyGetter createPropertyGetter(Field field, Method getMethod) {
186 if (!field.isAccessible()) {
187 if (getMethod != null) {
188 MethodGetter methodGetter = new MethodGetter(getMethod);
189 if (!methodGetter.getType().toString().equals(field.getType().toString())) {
190 methodGetter = null;
191 } else {
192 return methodGetter;
193 }
194 }
195 }
196 return new FieldGetter(field);
197 }
198
199 static protected PropertySetter createPropertySetter(Field field,
200 Method setter) {
201 if (!field.isAccessible()) {
202 if (setter != null) {
203 MethodSetter injection = new MethodSetter(setter);
204 if (!injection.getType().toString().equals(field.getType().toString())) {
205 injection = null;
206 } else {
207 return injection;
208 }
209 }
210 }
211 return new FieldSetter(field);
212 }
213
214 private Class getElementDeclaredType(QName name) {
215 Object key = (this.elementLocalNameCollision) ? name : name
216 .getLocalPart();
217 return elementDeclaredTypes.get(key);
218 }
219
220 public PropertyAccessor getPropertyAccessor(String ns, String name) {
221 final QName n = new QName(ns, name);
222 final PropertySetter setter = getPropertySetter(n);
223 final PropertyGetter getter = getPropertyGetter(n);
224 final boolean isJAXBElement = setter.getType()
225 .equals(JAXBElement.class);
226 final boolean isListType = java.util.List.class.isAssignableFrom(setter
227 .getType());
228 final Class elementDeclaredType = isJAXBElement ? getElementDeclaredType(n)
229 : null;
230 return new PropertyAccessor() {
231 public Object get(Object bean) throws DatabindingException {
232 Object val = null;
233 if (isJAXBElement) {
234 JAXBElement<Object> jaxbElement = (JAXBElement<Object>) getter.get(bean);
235 val = (jaxbElement == null) ? null : jaxbElement.getValue();
236 } else {
237 val = getter.get(bean);
238 }
239 if (val == null && isListType) {
240 val = new java.util.ArrayList();
241 set(bean, val);
242 }
243 return val;
244 }
245
246 public void set(Object bean, Object value) throws DatabindingException {
247 if (isJAXBElement) {
248 JAXBElement<Object> jaxbElement = new JAXBElement<Object>(
249 n, elementDeclaredType, contentClass, value);
250 setter.set(bean, jaxbElement);
251 } else {
252 setter.set(bean, value);
253 }
254 }
255 };
256 }
257 }

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