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com.sun.xml.ws.spi.db.JAXBWrapperAccessor Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package com.sun.xml.ws.spi.db;
import java.lang.reflect.Array;
import java.lang.reflect.Field;
import java.lang.reflect.GenericArrayType;
import java.lang.reflect.Method;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.security.AccessController;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlElementRef;
import javax.xml.bind.annotation.XmlElementWrapper;
import javax.xml.namespace.QName;
import javax.xml.ws.WebServiceException;
import static com.sun.xml.ws.spi.db.PropertyGetterBase.verifyWrapperType;
/**
* JAXBWrapperAccessor
*
* @author [email protected]
*/
@SuppressWarnings({ "unchecked", "rawtypes" })
public class JAXBWrapperAccessor extends WrapperAccessor {
protected Class contentClass;
protected HashMap elementDeclaredTypes;
public JAXBWrapperAccessor(Class wrapperBean) {
verifyWrapperType(wrapperBean);
contentClass = (Class) wrapperBean;
HashMap setByQName = new HashMap();
HashMap setByLocalpart = new HashMap();
HashMap publicSetters = new HashMap();
HashMap getByQName = new HashMap();
HashMap getByLocalpart = new HashMap();
HashMap publicGetters = new HashMap();
HashMap elementDeclaredTypesByQName = new HashMap();
HashMap elementDeclaredTypesByLocalpart = new HashMap();
for (Method method : contentClass.getMethods()) {
if (PropertySetterBase.setterPattern(method)) {
String key = method.getName()
.substring(3, method.getName().length()).toLowerCase();
publicSetters.put(key, method);
}
if (PropertyGetterBase.getterPattern(method)) {
String methodName = method.getName();
String key = methodName.startsWith("is") ? methodName
.substring(2, method.getName().length()).toLowerCase()
: methodName.substring(3, method.getName().length())
.toLowerCase();
publicGetters.put(key, method);
}
}
HashSet elementLocalNames = new HashSet();
for (Field field : getAllFields(contentClass)) {
XmlElementWrapper xmlElemWrapper = field.getAnnotation(XmlElementWrapper.class);
XmlElement xmlElem = field.getAnnotation(XmlElement.class);
XmlElementRef xmlElemRef = field.getAnnotation(XmlElementRef.class);
String fieldName = field.getName().toLowerCase();
String namespace = "";
String localName = field.getName();
if (xmlElemWrapper != null) {
namespace = xmlElemWrapper.namespace();
if (xmlElemWrapper.name() != null && !xmlElemWrapper.name().equals("")
&& !xmlElemWrapper.name().equals("##default")) {
localName = xmlElemWrapper.name();
}
}else if (xmlElem != null) {
namespace = xmlElem.namespace();
if (xmlElem.name() != null && !xmlElem.name().equals("")
&& !xmlElem.name().equals("##default")) {
localName = xmlElem.name();
}
} else if (xmlElemRef != null) {
namespace = xmlElemRef.namespace();
if (xmlElemRef.name() != null && !xmlElemRef.name().equals("")
&& !xmlElemRef.name().equals("##default")) {
localName = xmlElemRef.name();
}
}
if (elementLocalNames.contains(localName)) {
this.elementLocalNameCollision = true;
} else {
elementLocalNames.add(localName);
}
QName qname = new QName(namespace, localName);
if (field.getType().equals(JAXBElement.class)) {
if (field.getGenericType() instanceof ParameterizedType) {
Type arg = ((ParameterizedType) field.getGenericType())
.getActualTypeArguments()[0];
if (arg instanceof Class) {
elementDeclaredTypesByQName.put(qname, (Class) arg);
elementDeclaredTypesByLocalpart.put(localName,
(Class) arg);
} else if (arg instanceof GenericArrayType) {
Type componentType = ((GenericArrayType) arg)
.getGenericComponentType();
if (componentType instanceof Class) {
Class arrayClass = Array.newInstance(
(Class) componentType, 0).getClass();
elementDeclaredTypesByQName.put(qname, arrayClass);
elementDeclaredTypesByLocalpart.put(localName,
arrayClass);
}
}
}
}
Method setMethod = accessor(publicSetters, fieldName, localName);
Method getMethod = accessor(publicGetters, fieldName, localName);
if ( isProperty(field, getMethod, setMethod) ) {
PropertySetter setter = createPropertySetter(field, setMethod);
PropertyGetter getter = createPropertyGetter(field, getMethod);
setByQName.put(qname, setter);
setByLocalpart.put(localName, setter);
getByQName.put(qname, getter);
getByLocalpart.put(localName, getter);
}
}
if (this.elementLocalNameCollision) {
this.propertySetters = setByQName;
this.propertyGetters = getByQName;
elementDeclaredTypes = elementDeclaredTypesByQName;
} else {
this.propertySetters = setByLocalpart;
this.propertyGetters = getByLocalpart;
elementDeclaredTypes = elementDeclaredTypesByLocalpart;
}
}
static private Method accessor(HashMap map, String fieldName, String localName) {
Method a = map.get(fieldName);
if (a == null) a = map.get(localName);
if (a == null && fieldName.startsWith("_")) a = map.get(fieldName.substring(1));
return a;
}
static private boolean isProperty(Field field, Method getter, Method setter) {
if (java.lang.reflect.Modifier.isPublic(field.getModifiers())) return true;
if (getter == null) return false;
if (setter == null) {
return java.util.Collection.class.isAssignableFrom(field.getType()) ||
java.util.Map.class.isAssignableFrom(field.getType()) ;
} else {
return true;
}
}
static private List getAllFields(Class clz) {
List list = new ArrayList();
while (!Object.class.equals(clz)) {
list.addAll(Arrays.asList(getDeclaredFields(clz)));
clz = clz.getSuperclass();
}
return list;
}
static private Field[] getDeclaredFields(final Class clz) {
try {
return AccessController.doPrivileged(new PrivilegedExceptionAction() {
@Override
public Field[] run() throws IllegalAccessException {
return clz.getDeclaredFields();
}
});
} catch (PrivilegedActionException e) {
throw new WebServiceException(e);
}
}
static private PropertyGetter createPropertyGetter(Field field, Method getMethod) {
if (!field.isAccessible()) {
if (getMethod != null) {
MethodGetter methodGetter = new MethodGetter(getMethod);
if (methodGetter.getType().toString().equals(field.getType().toString())) {
return methodGetter;
}
}
}
return new PrivFieldGetter(field);
}
static private PropertySetter createPropertySetter(Field field,
Method setter) {
if (!field.isAccessible()) {
if (setter != null) {
MethodSetter injection = new MethodSetter(setter);
if (injection.getType().toString().equals(field.getType().toString())) {
return injection;
}
}
}
return new PrivFieldSetter(field);
}
private Class getElementDeclaredType(QName name) {
Object key = (this.elementLocalNameCollision) ? name : name
.getLocalPart();
return elementDeclaredTypes.get(key);
}
@Override
public PropertyAccessor getPropertyAccessor(String ns, String name) {
final QName n = new QName(ns, name);
final PropertySetter setter = getPropertySetter(n);
final PropertyGetter getter = getPropertyGetter(n);
final boolean isJAXBElement = setter.getType()
.equals(JAXBElement.class);
final boolean isListType = java.util.List.class.isAssignableFrom(setter
.getType());
final Class elementDeclaredType = isJAXBElement ? getElementDeclaredType(n)
: null;
return new PropertyAccessor() {
@Override
public Object get(Object bean) throws DatabindingException {
Object val;
if (isJAXBElement) {
JAXBElement jaxbElement = (JAXBElement) JAXBWrapperAccessor.get(getter, bean);
val = (jaxbElement == null) ? null : jaxbElement.getValue();
} else {
val = JAXBWrapperAccessor.get(getter, bean);
}
if (val == null && isListType) {
val = new java.util.ArrayList();
set(bean, val);
}
return val;
}
@Override
public void set(Object bean, Object value) throws DatabindingException {
if (isJAXBElement) {
JAXBElement jaxbElement = new JAXBElement(
n, elementDeclaredType, contentClass, value);
JAXBWrapperAccessor.set(setter, bean, jaxbElement);
} else {
JAXBWrapperAccessor.set(setter, bean, value);
}
}
};
}
static private Object get(PropertyGetter getter, Object wrapperInstance) {
return (getter instanceof PrivFieldGetter)?
((PrivFieldGetter)getter).getPriv(wrapperInstance):
getter.get(wrapperInstance);
}
static private void set(PropertySetter setter, Object wrapperInstance, Object value) {
if (setter instanceof PrivFieldSetter)
((PrivFieldSetter)setter).setPriv(wrapperInstance, value);
else
setter.set(wrapperInstance, value);
}
static private class PrivFieldSetter extends FieldSetter {
private PrivFieldSetter(Field f) {
super(f);
}
private void setPriv(final Object instance, final Object val) {
final Object resource = (type.isPrimitive() && val == null)? uninitializedValue(type): val;
if (field.isAccessible()) {
try {
field.set(instance, resource);
} catch (Exception e) {
throw new WebServiceException(e);
}
} else {
try {
AccessController.doPrivileged(new PrivilegedExceptionAction() {
public Object run() throws IllegalAccessException {
if (!field.isAccessible()) {
field.setAccessible(true);
}
field.set(instance, resource);
return null;
}
});
} catch (PrivilegedActionException e) {
throw new WebServiceException(e);
}
}
}
}
static private class PrivFieldGetter extends FieldGetter {
private PrivFieldGetter(Field f) {
super(f);
}
static private class PrivilegedGetter implements PrivilegedExceptionAction {
private Object value;
private Field field;
private Object instance;
public PrivilegedGetter(Field field, Object instance) {
super();
this.field = field;
this.instance = instance;
}
public Object run() throws IllegalAccessException {
if (!field.isAccessible()) {
field.setAccessible(true);
}
value = field.get(instance);
return null;
}
}
private Object getPriv(final Object instance) {
if (field.isAccessible()) {
try {
return field.get(instance);
} catch (Exception e) {
throw new WebServiceException(e);
}
} else {
PrivilegedGetter privilegedGetter = new PrivilegedGetter(field, instance);
try {
AccessController.doPrivileged(privilegedGetter);
} catch (PrivilegedActionException e) {
throw new WebServiceException(e);
}
return privilegedGetter.value;
}
}
}
}
