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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 javax.xml.bind.JAXBContext;
import javax.xml.bind.Marshaller;
import org.apache.tuscany.sca.common.xml.dom.DOMHelper;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.databinding.BaseTransformer;
import org.apache.tuscany.sca.databinding.PullTransformer;
import org.apache.tuscany.sca.databinding.TransformationContext;
import org.apache.tuscany.sca.databinding.TransformationException;
import org.apache.tuscany.sca.databinding.xml.DOMDataBinding;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
/**
*
* @version $Rev$ $Date$
*/
public class JAXB2Node extends BaseTransformer<Object, Node> implements PullTransformer<Object, Node> {
private DOMHelper helper;
private JAXBContextHelper contextHelper;
public JAXB2Node(ExtensionPointRegistry registry) {
super();
helper = DOMHelper.getInstance(registry);
contextHelper = JAXBContextHelper.getInstance(registry);
}
public Node transform(Object source, TransformationContext tContext) {
// if (source == null) {
// return null;
// }
try {
JAXBContext context = contextHelper.createJAXBContext(tContext, true);
// FIXME: The default Marshaller doesn't support
// marshaller.getNode()
Document document = helper.newDocument();
Object jaxbElement = JAXBContextHelper.createJAXBElement(context, tContext.getSourceDataType(), source);
Marshaller marshaller = contextHelper.getMarshaller(context);
marshaller.setProperty(Marshaller.JAXB_FRAGMENT, Boolean.FALSE);
try {
marshaller.marshal(jaxbElement, document);
} finally {
contextHelper.releaseJAXBMarshaller(context, marshaller);
}
return DOMDataBinding.adjustElementName(tContext, document.getDocumentElement());
} catch (Exception e) {
throw new TransformationException(e);
}
}
@Override
protected Class<Object> getSourceType() {
return Object.class;
}
@Override
protected Class<Node> getTargetType() {
return Node.class;
}
@Override
public int getWeight() {
return 30;
}
@Override
public String getSourceDataBinding() {
return JAXBDataBinding.NAME;
}
}
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