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diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBWrapperHelper.java b/sca-java-2.x/tags/2.0.1-RC1/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBWrapperHelper.java
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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.databinding.jaxb;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * The JAXBWrapper tool is used to create a JAXB Object from a series of child objects (wrap) or get
+ * the child objects from a JAXB Object (unwrap)
+ */
+public class JAXBWrapperHelper {
+
+ /**
+ * unwrap Returns the list of child objects of the jaxb object
+ *
+ * @param jaxbObject that represents the type
+ * @param childNames list of xml child names as String
+ * @param pdMap PropertyDescriptor map for this jaxbObject
+ * @return list of Objects in the same order as the element names.
+ */
+ public Object[] unwrap(Object jaxbObject, List<String> childNames, Map<String, JAXBPropertyDescriptor> pdMap)
+ throws JAXBWrapperException {
+
+ // Get the object that will have the property descriptors (i.e. the object representing the complexType)
+ Object jaxbComplexTypeObj = jaxbObject;
+
+ // Get the PropertyDescriptorPlus map.
+ // The method makes sure that each child name has a matching jaxb property
+ // checkPropertyDescriptorMap(jaxbComplexTypeObj.getClass(), childNames, pdMap);
+
+ // Get the corresponsing objects from the jaxb bean
+ ArrayList<Object> objList = new ArrayList<Object>();
+ int index = 0;
+ for (String childName : childNames) {
+ JAXBPropertyDescriptor propInfo = getPropertyDescriptor(pdMap, childName, index);
+
+ Object object = null;
+ try {
+ object = propInfo.get(jaxbComplexTypeObj);
+ } catch (Throwable e) {
+ throw new JAXBWrapperException(e);
+ }
+
+ objList.add(object);
+ index++;
+ }
+ Object[] jaxbObjects = objList.toArray();
+ objList = null;
+ return jaxbObjects;
+
+ }
+
+ private JAXBPropertyDescriptor getPropertyDescriptor(Map<String, JAXBPropertyDescriptor> pdMap,
+ String childName,
+ int index) {
+ JAXBPropertyDescriptor propInfo = pdMap.get(childName);
+ if (propInfo == null) {
+ // FIXME: [rfeng] Sometimes the child element names don't match. Get chilld by location?
+ List<JAXBPropertyDescriptor> props = new ArrayList<JAXBPropertyDescriptor>(pdMap.values());
+ // Sort the properties by index. We might need to take propOrder into consideration
+ Collections.sort(props);
+ propInfo = props.get(index);
+ }
+ return propInfo;
+ }
+
+ /**
+ * wrap Creates a jaxb object that is initialized with the child objects.
+ * <p/>
+ * Note that the jaxbClass must be the class the represents the complexType. (It should never be
+ * JAXBElement)
+ *
+ * @param jaxbClass
+ * @param childNames list of xml child names as String
+ * @param childObjects, component type objects
+ * @param pdMap PropertyDescriptor map for this jaxbObject
+ */
+ public Object wrap(Class<?> jaxbClass,
+ List<String> childNames,
+ Map<String, Object> childObjects,
+ Map<String, JAXBPropertyDescriptor> pdMap) throws JAXBWrapperException {
+
+ // Just like unWrap, get the property info map
+ // checkPropertyDescriptorMap(jaxbClass, childNames, pdMap);
+
+ // The jaxb object always has a default constructor. Create the object
+ Object jaxbObject = null;
+ try {
+ jaxbObject = jaxbClass.newInstance();
+ } catch (Throwable t) {
+ throw new JAXBWrapperException(t);
+ }
+
+ wrap(jaxbObject, childNames, childObjects, pdMap);
+
+ // Return the jaxb object
+ return jaxbObject;
+ }
+
+ public void wrap(Object jaxbObject,
+ List<String> childNames,
+ Map<String, Object> childObjects,
+ Map<String, JAXBPropertyDescriptor> pdMap) {
+ // Now set each object onto the jaxb object
+ int index = 0;
+ for (String childName : childNames) {
+ JAXBPropertyDescriptor propInfo = getPropertyDescriptor(pdMap, childName, index);
+ Object value = childObjects.get(childName);
+ try {
+ propInfo.set(jaxbObject, value);
+ } catch (Throwable t) {
+ throw new JAXBWrapperException(t);
+ }
+ index++;
+ }
+ }
+
+ public Object[] unwrap(Object jaxbObject, List<String> childNames) throws JAXBWrapperException {
+ // Get the property descriptor map for this JAXBClass
+ Class<?> jaxbClass = jaxbObject.getClass();
+ Map<String, JAXBPropertyDescriptor> pdMap = null;
+ try {
+ pdMap = XMLRootElementUtil.createPropertyDescriptorMap(jaxbClass);
+ } catch (Throwable t) {
+ throw new JAXBWrapperException(t);
+ }
+
+ // Delegate
+ return unwrap(jaxbObject, childNames, pdMap);
+ }
+
+ public Object wrap(Class<?> jaxbClass, List<String> childNames, Map<String, Object> childObjects)
+ throws JAXBWrapperException {
+ // Get the property descriptor map
+ Map<String, JAXBPropertyDescriptor> pdMap = null;
+ try {
+ pdMap = XMLRootElementUtil.createPropertyDescriptorMap(jaxbClass);
+ } catch (Throwable t) {
+ throw new JAXBWrapperException(t);
+ }
+
+ // Delegate
+ return wrap(jaxbClass, childNames, childObjects, pdMap);
+ }
+
+}