/*
* 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.tools.helpers;
import javax.xml.namespace.QName;
import org.apache.xerces.xs.XSComplexTypeDefinition;
import org.apache.xerces.xs.XSElementDeclaration;
import org.apache.xerces.xs.XSModelGroup;
import org.apache.xerces.xs.XSObjectList;
import org.apache.xerces.xs.XSParticle;
import org.apache.xerces.xs.XSTerm;
import org.apache.xerces.xs.XSTypeDefinition;
import org.jboss.ws.WSException;
import org.jboss.ws.metadata.wsdl.xmlschema.JBossXSModel;
/**
* A helper class to unwrap a return type is possible.
*
* @author darran.lofthouse@jboss.com
* @since 10 Dec 2006
*/
public class ReturnTypeUnwrapper
{
public JBossXSModel xsmodel;
public QName xmlType;
public XSElementDeclaration unwrappedElement;
public boolean array = false;
public boolean primitive = false;
private boolean wrapped;
public ReturnTypeUnwrapper(QName xmlType, JBossXSModel xsmodel, boolean wrapped)
{
this.xmlType = xmlType;
this.xsmodel = xsmodel;
this.wrapped = wrapped;
}
public boolean unwrap()
{
if (wrapped == false)
return false;
XSTypeDefinition xt = xsmodel.getTypeDefinition(xmlType.getLocalPart(), xmlType.getNamespaceURI());
if (xt instanceof XSComplexTypeDefinition == false)
throw new WSException("[JAX-RPC 2.3.1.2] Tried to unwrap a non-complex type.");
XSComplexTypeDefinition wrapper = (XSComplexTypeDefinition)xt;
boolean hasAttributes = wrapper.getAttributeUses().getLength() > 0;
if (hasAttributes)
throw new WSException("[JAX-RPC 2.3.1.2] Can not unwrap, complex type contains attributes.");
boolean unwrapped = false;
XSParticle particle = wrapper.getParticle();
if (particle != null)
{
XSTerm term = particle.getTerm();
if (term instanceof XSModelGroup == false)
throw new WSException("[JAX-RPC 2.3.1.2] Expected model group, could not unwrap");
XSModelGroup group = (XSModelGroup)term;
unwrapped = unwrapModelGroup(group);
}
return unwrapped;
}
private boolean unwrapModelGroup(XSModelGroup group)
{
XSObjectList particles = group.getParticles();
if (particles.getLength() == 1)
{
XSParticle particle = (XSParticle)particles.item(0);
boolean array = particle.getMaxOccursUnbounded() || particle.getMaxOccurs() > 1;
XSTerm term = particle.getTerm();
if (term instanceof XSModelGroup)
{
return unwrapModelGroup((XSModelGroup)term);
}
else if (term instanceof XSElementDeclaration)
{
unwrappedElement = (XSElementDeclaration)term;
XSTypeDefinition type = unwrappedElement.getTypeDefinition();
if (type.getAnonymous() == false)
xmlType = new QName(unwrappedElement.getTypeDefinition().getNamespace(), unwrappedElement.getTypeDefinition().getName());
this.array = array;
primitive = !(unwrappedElement.getNillable() || (particle.getMinOccurs() == 0 && particle.getMaxOccurs() == 1));
}
}
else
{
throw new WSException("[JAX-RPC 2.3.1.2] Unable to unwrap model group with multiple particles.");
}
return unwrappedElement != null;
}
}