/*
* Copyright (C) 2009 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.exoplatform.ws.frameworks.servlet;
import org.exoplatform.container.ExoContainer;
import org.exoplatform.container.ExoContainerContext;
import org.exoplatform.container.PortalContainer;
import org.exoplatform.container.RootContainer;
import org.exoplatform.container.web.AbstractFilter;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import java.io.IOException;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
/**
* Created by The eXo Platform SAS .<br/>
* Servlet Filter that is used to initialize and remove the portal container from the ThreadLocal
* of PortalContainer, it relies on PortalContainer.getCurrentInstance to retrieve the right portal container.
*
* @author Gennady Azarenkov
* @version $Id: $
*/
public class PortalContainerInitializedFilter extends AbstractFilter
{
private static final Log LOG = ExoLogger.getLogger("PortatContainerInitializedFilter");
/**
* initializes PortalContainer instance.
*
* @see javax.servlet.Filter#doFilter(javax.servlet.ServletRequest,
* javax.servlet.ServletResponse, javax.servlet.FilterChain)
*/
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException,
ServletException
{
ExoContainer container = getContainer();
if (!(container instanceof PortalContainer))
{
container = RootContainer.getInstance().getPortalContainer(PortalContainer.DEFAULT_PORTAL_CONTAINER_NAME);
if (container == null)
{
throw new ServletException("Could not initialize PortalContainer." + "Current ExoContainer is: "
+ ExoContainerContext.getCurrentContainer());
}
}
PortalContainer pcontainer = (PortalContainer)container;
try
{
PortalContainer.setInstance(pcontainer);
chain.doFilter(request, response);
}
finally
{
try
{
PortalContainer.setInstance(null);
}
catch (Exception e)
{
LOG.warn("An error occured while cleaning the ThreadLocal", e);
}
}
}
/**
* {@inheritDoc}
*/
public void destroy()
{
}
}