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/******************************************************************************
 * JBoss, a division of Red Hat                                               *
 * Copyright 2006, Red Hat Middleware, LLC, 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                *
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package org.gatein.pc.management;

import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;

import org.gatein.pc.api.PortletContext;
import org.gatein.pc.api.PortletInvokerException;
import org.gatein.pc.api.invocation.ActionInvocation;
import org.gatein.pc.api.invocation.PortletInvocation;
import org.gatein.pc.api.invocation.RenderInvocation;
import org.gatein.pc.api.invocation.response.PortletInvocationResponse;
import org.gatein.pc.portlet.PortletInvokerInterceptor;

/**
 * @author Thomas Heute
 * @version $Revision$
 */
public class PortletContainerManagementInterceptorImpl extends PortletInvokerInterceptor implements PortletContainerManagementInterceptor
{

   /** . */
   private final ConcurrentMap map = new ConcurrentHashMap();
   
   
   // Correctness is not insured.
   public PortletInvocationResponse invoke(PortletInvocation invocation) throws IllegalArgumentException, PortletInvokerException
   {
      PortletContext portlet = invocation.getTarget();
      String portletName = portlet.getId();
      
      boolean error = true;
      long delta = - System.currentTimeMillis();

      //
      try
      {
         PortletInvocationResponse response =  super.invoke(invocation);
         error = false;
         return response;
      }
      finally
      {
         delta += System.currentTimeMillis();

         //
         if (invocation instanceof RenderInvocation)
         {
            PortletInfo info = getPortletInfo(portletName);
            info.newRenderCall(delta, error);
         }
         else if (invocation instanceof ActionInvocation)
         {
            PortletInfo info = getPortletInfo(portletName);
            info.newActionCall(delta, error);
         }
      }
   }

   public synchronized PortletInfo getPortletInfo(String key)
   {
      PortletInfo info = map.get(key);

      //
      if (info == null)
      {
         info = map.putIfAbsent(key, new PortletInfo());
      }

      //
      return map.get(key);
   }
}