/*
* JBoss, Home of Professional Open Source
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* 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.javabean.plugins.xml;
import javax.xml.namespace.NamespaceContext;
import javax.xml.namespace.QName;
import org.jboss.javabean.plugins.xml.Common.Ctor;
import org.jboss.javabean.plugins.xml.Common.Holder;
import org.jboss.xb.binding.sunday.unmarshalling.DefaultElementHandler;
import org.jboss.xb.binding.sunday.unmarshalling.ElementBinding;
import org.xml.sax.Attributes;
/**
* Handler for the constructor element.
*
* @author Scott.Stark@jboss.org
* @version $Revision: 43020 $
*/
public class ConstructorHandler extends DefaultElementHandler
{
/** The handler */
public static final ConstructorHandler HANDLER = new ConstructorHandler();
public Object startElement(Object parent, QName name, ElementBinding element)
{
Holder holder = (Holder) parent;
Ctor ctor = (Ctor) holder.getValue();
ctor.setCtorWasDeclared(true);
return holder;
}
public void attributes(Object o, QName elementName, ElementBinding element, Attributes attrs, NamespaceContext nsCtx)
{
Holder holder = (Holder) o;
Ctor ctor = (Ctor) holder.getValue();
Common.Constructor constructor = ctor.getConstructor();
for (int i = 0; i < attrs.getLength(); ++i)
{
String localName = attrs.getLocalName(i);
if ("factoryClass".equals(localName))
constructor.setFactoryClass(attrs.getValue(i));
else if ("factoryMethod".equals(localName))
constructor.setFactoryMethod(attrs.getValue(i));
}
if( constructor.getFactoryMethod() != null && constructor.getFactoryClass() == null )
constructor.setFactoryClass(ctor.getClassName());
}
public Object endElement(Object o, QName qName, ElementBinding element)
{
Holder holder = (Holder) o;
Ctor ctor = (Ctor) holder.getValue();
try
{
return ctor.newInstance();
}
catch (RuntimeException e)
{
throw e;
}
catch (Error e)
{
throw e;
}
catch (Throwable t)
{
throw new RuntimeException("Error instantiating class " + ctor.getClassName(), t);
}
}
}