HostFilter.java

/**
 * Copyright (C) 2011 eXo Platform SAS.
 *
 * 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.apache.shindig.common.servlet;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterConfig;
import javax.servlet.FilterChain;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

/**
 * @author <a href="kien.nguyen@exoplatform.com">Kien Nguyen</a>
 * @version $Revision$
 * 
 * A Filter that can cache ServletRequest information in ThreadLocal variable
 */
public class HostFilter implements Filter
{

   public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException,
      ServletException
   {
      ServletRequestContext.setRequestInfo(request);
      chain.doFilter(request, response);
   }

   public void destroy()
   {
   }

   public void init(FilterConfig arg0) throws ServletException
   {
   }
}