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Axis2 JAXWS Implementation
/*
* 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.axis2.jaxws.message.databinding.impl;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMSourcedElement;
import org.apache.axis2.datasource.jaxb.JAXBDSContext;
import org.apache.axis2.datasource.jaxb.JAXBDataSource;
import org.apache.axis2.jaxws.ExceptionFactory;
import org.apache.axis2.jaxws.i18n.Messages;
import org.apache.axis2.jaxws.message.Block;
import org.apache.axis2.jaxws.message.databinding.JAXBBlockContext;
import org.apache.axis2.jaxws.message.factory.JAXBBlockFactory;
import org.apache.axis2.jaxws.message.impl.BlockFactoryImpl;
import org.apache.axis2.jaxws.utility.XMLRootElementUtil;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import javax.xml.bind.JAXBException;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import javax.xml.ws.WebServiceException;
/** JAXBBlockFactoryImpl Creates a JAXBBlock */
public class JAXBBlockFactoryImpl extends BlockFactoryImpl implements JAXBBlockFactory {
private static final Log log = LogFactory.getLog(JAXBBlockFactoryImpl.class);
/** Default Constructor required for Factory */
public JAXBBlockFactoryImpl() {
super();
}
/* (non-Javadoc)
* @see org.apache.axis2.jaxws.message.BlockFactory#createFrom(org.apache.axiom.om.OMElement, java.lang.Object, javax.xml.namespace.QName)
*/
public Block createFrom(OMElement omElement, Object context, QName qName)
throws XMLStreamException, WebServiceException {
// The context for a JAXBFactory must be non-null and should be a JAXBBlockContext.
if (context == null) {
// JAXWS spec 4.3.4 conformance requires a WebServiceException whose cause is JAXBException
throw ExceptionFactory.makeWebServiceException(
new JAXBException(Messages.getMessage("JAXBBlockFactoryErr1", "null")));
} else if (context instanceof JAXBBlockContext) {
;
} else {
// JAXWS spec 4.3.4 conformance requires a WebServiceException whose cause is JAXBException
throw ExceptionFactory.makeWebServiceException(new JAXBException(
Messages.getMessage("JAXBBlockFactoryErr1", context.getClass().getName())));
}
if (qName == null) {
qName = omElement.getQName();
}
if (omElement instanceof OMSourcedElement) {
if ( ((OMSourcedElement) omElement).getDataSource() instanceof JAXBDataSource) {
JAXBDataSource ds = (JAXBDataSource) ((OMSourcedElement)omElement).getDataSource();
JAXBDSContext dsContext = ds.getContext();
try {
if (dsContext.getJAXBContext() == ((JAXBBlockContext)context).getJAXBContext()) {
// Shortcut, use existing JAXB object
Object jaxb = ds.getObject();
return new JAXBBlockImpl(jaxb, (JAXBBlockContext)context, qName, this);
}
} catch (JAXBException e) {
if (log.isDebugEnabled()) {
log.debug("Falling back to using normal unmarshalling approach. " + e.getMessage());
}
}
} else if ( ((OMSourcedElement) omElement).getDataSource() instanceof JAXBBlockImpl) {
JAXBBlockImpl block = (JAXBBlockImpl) ((OMSourcedElement)omElement).getDataSource();
JAXBBlockContext blockContext = (JAXBBlockContext) block.getBusinessContext();
try {
if (blockContext.getJAXBContext() == ((JAXBBlockContext)context).getJAXBContext()) {
// Shortcut, use existing JAXB object
Object jaxb = block.getObject();
return new JAXBBlockImpl(jaxb, (JAXBBlockContext)context, qName, this);
}
} catch (JAXBException e) {
if (log.isDebugEnabled()) {
log.debug("Falling back to using normal unmarshalling approach. " + e.getMessage());
}
}
}
}
return new JAXBBlockImpl(omElement, (JAXBBlockContext)context, qName, this);
}
/* (non-Javadoc)
* @see org.apache.axis2.jaxws.message.BlockFactory#createFrom(java.lang.Object, java.lang.Object, javax.xml.namespace.QName)
*/
public Block createFrom(Object businessObject, Object context, QName qName)
throws WebServiceException {
// The context must be non-null and should be a JAXBBlockContext.
// For legacy reasons, a JAXBContext is also supported (and wrapped into a JAXBBlockContext)
if (context == null) {
// JAXWS spec 4.3.4 conformance requires a WebServiceException whose cause is JAXBException
throw ExceptionFactory.makeWebServiceException(
new JAXBException(Messages.getMessage("JAXBBlockFactoryErr1", "null")));
} else if (context instanceof JAXBBlockContext) {
;
} else {
// JAXWS spec 4.3.4 conformance requires a WebServiceException whose cause is JAXBException
throw ExceptionFactory.makeWebServiceException(new JAXBException(
Messages.getMessage("JAXBBlockFactoryErr1", context.getClass().getName())));
}
// The business object must be either a JAXBElement or a block with an @XmlRootElement qname.
// (Checking this is expensive, so it is assumed)
// The input QName must be set otherwise we have to look it up, which kills performance.
if (qName == null) {
qName = XMLRootElementUtil.getXmlRootElementQNameFromObject(businessObject);
}
try {
return new JAXBBlockImpl(businessObject, (JAXBBlockContext)context, qName, this);
} catch (JAXBException e) {
throw ExceptionFactory.makeWebServiceException(e);
}
}
public boolean isElement() {
return true;
}
}