/*
* 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.jmx.connector.invoker.client;
import org.jboss.invocation.Invocation;
import org.jboss.invocation.PayloadKey;
import org.jboss.proxy.Interceptor;
import javax.management.ObjectName;
/**
* An Interceptor that plucks the object name out of the arguments
* into an unmarshalled part of the payload.
*
* @author <a href="mailto:adrian.brock@happeningtimes.com">Adrian Brock</a>
* @version $Revision: 81030 $
*/
public class InvokerAdaptorClientInterceptor
extends Interceptor
{
// Constants -----------------------------------------------------
// Attributes ----------------------------------------------------
// Constructors --------------------------------------------------
public InvokerAdaptorClientInterceptor()
{
// For externalization to work
}
// Public --------------------------------------------------------
/**
* Invoke using the invoker for remote invocations
*/
public Object invoke(Invocation invocation)
throws Throwable
{
// Retrieve any relevent object name for this invocation
ObjectName objectName = getObjectNameFromArguments(invocation);
if (objectName != null)
invocation.setValue("JMX_OBJECT_NAME", objectName, PayloadKey.AS_IS);
try
{
return getNext().invoke(invocation);
}
catch (InvokerAdaptorException e)
{
throw e.getWrapped();
}
}
/**
* Return any target object name relevent for this invocation.<p>
*
* Methods that don't pass arguments that could be custom classes are ignored.<p>
*
* Classloading and registerMBean are ignored,
* they shouldn't be available remotely
*/
public ObjectName getObjectNameFromArguments(Invocation invocation)
{
String method = invocation.getMethod().getName();
if (method.equals("invoke") ||
method.equals("setAttribute") ||
method.equals("setAttributes") ||
method.equals("addNotificationListener") ||
method.equals("removeNotificationListener"))
{
return (ObjectName) invocation.getArguments()[0];
}
return null;
}
// Private -------------------------------------------------------
// Inner classes -------------------------------------------------
}