/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.ws.core.jaxrpc.binding;
// $Id: JBossXBDeserializer.java 3772 2007-07-01 19:29:13Z thomas.diesler@jboss.com $
import java.io.ByteArrayInputStream;
import javax.xml.namespace.QName;
import javax.xml.transform.Source;
import org.apache.xerces.xs.XSModel;
import org.jboss.logging.Logger;
import org.jboss.ws.core.binding.BindingException;
import org.jboss.ws.core.binding.ComplexTypeDeserializer;
import org.jboss.ws.core.binding.SerializationContext;
import org.jboss.ws.core.jaxrpc.SerializationContextJAXRPC;
import org.jboss.ws.core.jaxrpc.binding.jbossxb.JBossXBConstants;
import org.jboss.ws.core.jaxrpc.binding.jbossxb.JBossXBUnmarshaller;
import org.jboss.ws.core.jaxrpc.binding.jbossxb.JBossXBUnmarshallerImpl;
import org.jboss.ws.metadata.jaxrpcmapping.JavaWsdlMapping;
/**
* A Deserializer that can handle complex types by delegating to JAXB.
*
* @author Thomas.Diesler@jboss.org
* @since 04-Dec-2004
*/
public class JBossXBDeserializer extends ComplexTypeDeserializer
{
// provide logging
private static final Logger log = Logger.getLogger(JBossXBDeserializer.class);
private JBossXBUnmarshaller unmarshaller;
public JBossXBDeserializer() throws BindingException
{
// Get the JAXB marshaller for complex objects
unmarshaller = new JBossXBUnmarshallerImpl();
}
public Object deserialize(QName xmlName, QName xmlType, Source source, SerializationContext serContext) throws BindingException {
return deserialize(xmlName, xmlType, sourceToString(source), serContext);
}
/**
* For unmarshalling the WS layer passes to the JAXB layer
*
* - required self contained xml content
* - required map of packaged or generated XSDSchema
* - optional QName of the root complex type
* - optional instance of JavaWsdlMapping
*
* The xmlType is redundant if the root element name corresponds to a global element definition in schema.
* If the java mapping is null, default mapping rules apply.
*
* The result is an object instance or null.
* In case of an unmarshalling problem a descriptive exception is thrown.
*/
private Object deserialize(QName xmlName, QName xmlType, String val, SerializationContext serContext) throws BindingException
{
if(log.isDebugEnabled()) log.debug("deserialize: [xmlName=" + xmlName + ",xmlType=" + xmlType + "]");
// Expect the specific JAXRPC serialization context
SerializationContextJAXRPC jaxrpcContext = (SerializationContextJAXRPC)serContext;
Object value = null;
String typeName = xmlType.getLocalPart();
try
{
// Get the parsed model
XSModel model = jaxrpcContext.getXsModel();
// Get the jaxrpc-mapping.xml meta data
JavaWsdlMapping jaxrpcMapping = jaxrpcContext.getJavaWsdlMapping();
unmarshaller.setProperty(JBossXBConstants.JBXB_XS_MODEL, model);
unmarshaller.setProperty(JBossXBConstants.JBXB_ROOT_QNAME, xmlName);
unmarshaller.setProperty(JBossXBConstants.JBXB_TYPE_QNAME, xmlType);
unmarshaller.setProperty(JBossXBConstants.JBXB_JAVA_MAPPING, jaxrpcMapping);
ByteArrayInputStream ins = new ByteArrayInputStream(val.getBytes("UTF-8"));
value = unmarshaller.unmarshal(ins);
}
catch (RuntimeException rte)
{
throw rte;
}
catch (Exception ex)
{
throw new BindingException(ex);
}
if(log.isDebugEnabled()) log.debug("deserialized: " + (value != null ? value.getClass().getName() : null));
return value;
}
}