/*
* 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: JBossXBSerializer.java 3772 2007-07-01 19:29:13Z thomas.diesler@jboss.com $
import java.io.StringWriter;
import javax.xml.namespace.QName;
import javax.xml.transform.Result;
import javax.xml.transform.stream.StreamResult;
import org.apache.xerces.xs.XSModel;
import org.jboss.logging.Logger;
import org.jboss.ws.core.binding.BindingException;
import org.jboss.ws.core.binding.BufferedStreamResult;
import org.jboss.ws.core.binding.ComplexTypeSerializer;
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.JBossXBMarshaller;
import org.jboss.ws.core.jaxrpc.binding.jbossxb.JBossXBMarshallerImpl;
import org.jboss.ws.core.soap.XMLFragment;
import org.jboss.ws.metadata.jaxrpcmapping.JavaWsdlMapping;
import org.w3c.dom.NamedNodeMap;
/**
* A Serializer that can handle complex types by delegating to JAXB.
*
* @author Thomas.Diesler@jboss.org
* @since 04-Dec-2004
*/
public class JBossXBSerializer extends ComplexTypeSerializer
{
// provide logging
private static final Logger log = Logger.getLogger(JBossXBSerializer.class);
private JBossXBMarshaller marshaller;
public JBossXBSerializer() throws BindingException
{
// Get the JAXB marshaller for complex objects
marshaller = new JBossXBMarshallerImpl();
}
/**
* For marshalling the WS layer passes to the JAXB layer
*
* - optional java object instance
* - required map of packaged or generated XSDSchema
* - required QName of the root element
* - optional QName of the root complex type
* - optional instance of JavaWsdlMapping
*
* If the object value is null, the corresponding XML representation of the nillable element should be marshalled.
* The xmlType is redundant if the xmlName corresponds to a global element definition in schema.
* If the java mapping is null, default mapping rules apply.
*
* The result is a self contained (i.e. contains all namespace definitions) XML document without the XML declaration.
* In case of an marshalling problem a descriptive exception is thrown.
*/
public Result serialize(QName xmlName, QName xmlType, Object value, SerializationContext serContext, NamedNodeMap attributes) throws BindingException
{
log.debug("serialize: [xmlName=" + xmlName + ",xmlType=" + xmlType + "]");
// Expect the specific JAXRPC serialization context
SerializationContextJAXRPC jaxrpcContext = (SerializationContextJAXRPC)serContext;
try
{
// Get the parsed model
XSModel model = jaxrpcContext.getXsModel();
// Get the jaxrpc-mapping.xml object graph
JavaWsdlMapping jaxrpcMapping = jaxrpcContext.getJavaWsdlMapping();
// schemabinding marshaller is the default delegate
JBossXBMarshaller delegate = marshaller;
// marshalling context
delegate.setProperty(JBossXBConstants.JBXB_XS_MODEL, model);
delegate.setProperty(JBossXBConstants.JBXB_TYPE_QNAME, xmlType);
delegate.setProperty(JBossXBConstants.JBXB_ROOT_QNAME, xmlName);
delegate.setProperty(JBossXBConstants.JBXB_JAVA_MAPPING, jaxrpcMapping);
// marshall
StringWriter strwr = new StringWriter();
delegate.marshal(value, strwr);
String xmlFragment = strwr.toString();
log.debug("serialized: " + xmlFragment);
return new BufferedStreamResult(xmlFragment);
}
catch (RuntimeException rte)
{
throw rte;
}
catch (Exception ex)
{
throw new BindingException(ex);
}
}
}