/*
* 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.beans.metadata.plugins;
import org.jboss.beans.metadata.spi.MetaDataVisitor;
import org.jboss.dependency.plugins.AbstractDependencyItem;
import org.jboss.dependency.spi.ControllerContext;
import org.jboss.dependency.spi.ControllerState;
import org.jboss.dependency.spi.DependencyItem;
import org.jboss.kernel.spi.dependency.KernelController;
import org.jboss.kernel.spi.dependency.KernelControllerContext;
import org.jboss.reflect.spi.TypeInfo;
/**
* Dependency value.
*
* @author <a href="adrian@jboss.com">Adrian Brock</a>
* @version $Revision: 57306 $
*/
public class ThisValueMetaData extends AbstractValueMetaData
{
/** The controller */
protected KernelController controller;
/**
* Create a new dependency value
*/
public ThisValueMetaData()
{
}
public Object getValue(TypeInfo info, ClassLoader cl) throws Throwable
{
ControllerContext context = controller.getContext(value, ControllerState.INSTANTIATED);
if (context == null)
throw new Error("Could not deference this " + this);
return context.getTarget();
}
public void initialVisit(MetaDataVisitor visitor)
{
KernelControllerContext controllerContext = visitor.getControllerContext();
controller = (KernelController) controllerContext.getController();
value = controllerContext.getName();
ControllerState whenRequired = visitor.getContextState();
DependencyItem item = new AbstractDependencyItem(value, value, whenRequired, ControllerState.INSTANTIATED);
visitor.addDependency(item);
super.initialVisit(visitor);
}
}