/*
 * JBoss, a division of Red Hat
 * Copyright 2009, 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
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.gatein.wsrp.servlet;

import org.gatein.wsrp.api.servlet.ServletAccess;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * Filter to be able to access request and response from the invocation code.
 *
 * @author <a href="mailto:chris.laprun@jboss.com">Chris Laprun</a>
 * @version $Revision: 8784 $
 * @since 2.4
 */
public class ServletAccessFilter implements Filter
{

   public void init(FilterConfig filterConfig) throws ServletException
   {
   }

   public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException
   {
      // fix-me: this is called around 27 times per WS request... and this is quite hackish should try to find a better solution
      ServletAccess.setRequestAndResponse((HttpServletRequest)servletRequest, (HttpServletResponse)servletResponse);
      filterChain.doFilter(servletRequest, servletResponse);
   }

   public void destroy()
   {
   }
}