/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2006, 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.ejb3.mdb.inflow;

import java.security.AccessController;
import java.security.PrivilegedAction;

/**
 * @author Scott.Stark@jboss.org
 * @version $Revison:$
 */
public class GetTCLAction implements PrivilegedAction
{
   static PrivilegedAction ACTION = new GetTCLAction(null);
   Thread t;

   GetTCLAction(Thread t)
   {
      this.t = t;
   }
   public Object run()
   {
      Thread thread = t;
      if (thread == null)
         thread = Thread.currentThread();
      ClassLoader loader = thread.getContextClassLoader();
      return loader;
   }

   static ClassLoader getContextClassLoader()
   {
      ClassLoader loader = (ClassLoader) AccessController.doPrivileged(ACTION);
      return loader;
   }
   static ClassLoader getContextClassLoader(Thread t)
   {
      GetTCLAction action = new GetTCLAction(t);
      ClassLoader loader = (ClassLoader) AccessController.doPrivileged(action);
      return loader;
   }

}