org.apache.cxf.transport.http_jetty.spring.JAXBHelper Maven / Gradle / Ivy
/**
* 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.cxf.transport.http_jetty.spring;
import java.util.ArrayList;
import java.util.List;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import javax.xml.namespace.QName;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
public final class JAXBHelper {
private JAXBHelper() {
}
@SuppressWarnings("unchecked")
public static List parseListElement(Element parent,
BeanDefinitionBuilder bean,
QName name,
Class c) throws JAXBException {
List list = new ArrayList();
Node data = null;
JAXBContext context = null;
String pkg = "";
if (null != c && c.getPackage() != null) {
pkg = c.getPackage().getName();
context = JAXBContext.newInstance(pkg, c.getClassLoader());
} else {
context = JAXBContext.newInstance(pkg);
}
Node node = parent.getFirstChild();
while (node != null) {
if (node.getNodeType() == Node.ELEMENT_NODE && name.getLocalPart().equals(node.getLocalName())
&& name.getNamespaceURI().equals(node.getNamespaceURI())) {
data = node;
Object obj = unmarshal(context, data, c);
if (obj != null) {
list.add((V) obj);
}
}
node = node.getNextSibling();
}
return list;
}
public static T parseElement(Element element,
BeanDefinitionBuilder bean,
Class c) throws JAXBException {
if (null == element) {
return null;
}
JAXBContext context = null;
String pkg = "";
if (null != c && c.getPackage() != null) {
pkg = c.getPackage().getName();
context = JAXBContext.newInstance(pkg, c.getClassLoader());
} else {
context = JAXBContext.newInstance(pkg);
}
Object obj = unmarshal(context, element, c);
return c.cast(obj);
}
private static Object unmarshal(JAXBContext context,
Node data, Class c) {
if (context == null) {
return null;
}
Object obj = null;
try {
Unmarshaller u = context.createUnmarshaller();
if (c != null) {
obj = u.unmarshal(data, c);
} else {
obj = u.unmarshal(data);
}
if (obj instanceof JAXBElement) {
JAXBElement el = (JAXBElement)obj;
obj = el.getValue();
}
} catch (JAXBException e) {
throw new RuntimeException("Could not parse configuration.", e);
}
return obj;
}
}