/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file 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.aspects.versioned;
import java.lang.reflect.Method;
import java.util.HashMap;
import org.jboss.aop.joinpoint.MethodInvocation;
import org.jboss.aop.util.reference.MethodPersistentReference;
/**
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
* @version $Revision: 80997 $
*/
public class CollectionStateChangeInterceptor implements org.jboss.aop.advice.Interceptor
{
protected CollectionStateManager manager;
public CollectionStateChangeInterceptor(CollectionStateManager manager)
{
this.manager = manager;
}
public String getName() { return "CollectionChangeInterceptor"; }
/**
*
*/
public Object invoke(org.jboss.aop.joinpoint.Invocation invocation) throws Throwable
{
if (invocation instanceof MethodInvocation)
{
org.jboss.aop.joinpoint.MethodInvocation methodInvocation = (org.jboss.aop.joinpoint.MethodInvocation)invocation;
long methodHash = methodInvocation.getMethodHash();
Method managerMethod = manager.isManagerMethod(methodHash);
if (managerMethod != null)
{
Object[] args = methodInvocation.getArguments();
return managerMethod.invoke(manager, args);
}
Object target = methodInvocation.getTargetObject();
Method method = methodInvocation.getMethod();
if (method == null)
{
HashMap methodMap = manager.getMethodMap();
MethodPersistentReference ref = (MethodPersistentReference)methodMap.get(new Long(methodHash));
method = (Method)ref.get();
}
return method.invoke(target, methodInvocation.getArguments());
}
return invocation.invokeNext();
}
}