/*
* 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.managed.plugins.advice;
import java.util.Set;
import org.jboss.aop.joinpoint.Invocation;
import org.jboss.aop.proxy.container.GeneratedAOPProxyFactory;
import org.jboss.managed.api.Fields;
import org.jboss.managed.api.ManagedObject;
import org.jboss.managed.api.ManagedProperty;
/**
* WrapperAdvice, intercepts methods that produce objects
* that require proxies.
*
* @author <a href="adrian@jboss.com">Adrian Brock</a>
* @version $Revision: 82920 $
*/
public class WrapperAdvice
{
/**
* Wrap a managed object
*
* @param managedObject the managed object
* @return the managed object wrapper
*/
public static ManagedObject wrapManagedObject(ManagedObject managedObject)
{
return createProxy(managedObject, ManagedObject.class);
}
/**
* Wrap a managed property
*
* @param managedProperty the managed property
* @return the managed property wrapper
*/
public static ManagedProperty wrapManagedProperty(ManagedProperty managedProperty)
{
return createProxy(managedProperty, ManagedProperty.class);
}
/**
* Wrap fields
*
* @param fields the fields
* @return the fields wrapper
*/
public static Fields wrapFields(Fields fields)
{
return createProxy(fields, Fields.class);
}
/**
* Wrap a returned managed object
*
* @param invocation the invocation
* @return the wrapped managed object
* @throws Throwable for any error
*/
public ManagedObject wrapManagedObject(Invocation invocation) throws Throwable
{
ManagedObject result = (ManagedObject) invocation.invokeNext();
return wrapManagedObject(result);
}
/**
* Wrap a returned managed property
*
* @param invocation the invocation
* @return the wrapped managed property
* @throws Throwable for any error
*/
public ManagedProperty wrapManagedProperty(Invocation invocation) throws Throwable
{
ManagedProperty result = (ManagedProperty) invocation.invokeNext();
return wrapManagedProperty(result);
}
/**
* Wrap a returned managed property set
*
* @param invocation the invocation
* @return the wrapped managed property set
* @throws Throwable for any error
*/
@SuppressWarnings("unchecked")
public Set<ManagedProperty> wrapManagedPropertySet(Invocation invocation) throws Throwable
{
Set<ManagedProperty> result = (Set<ManagedProperty>) invocation.invokeNext();
return new WrapperSet<ManagedProperty>(result, ManagedProperty.class);
}
/**
* Wrap fields
*
* @param invocation the invocation
* @return the wrapped managed property
* @throws Throwable for any error
*/
public Fields wrapFields(Invocation invocation) throws Throwable
{
Fields result = (Fields) invocation.invokeNext();
return wrapFields(result);
}
/**
* Create a proxy
*
* @param <T> the expected type
* @param target the target
* @param interfaceClass the interface class
* @return the proxy
*/
static <T> T createProxy(T target, Class<T> interfaceClass)
{
return GeneratedAOPProxyFactory.createProxy(target, interfaceClass);
}
}