CloseableDoSFilter.java

// ========================================================================
// Copyright (c) 2009 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
// The Eclipse Public License is available at 
// http://www.eclipse.org/legal/epl-v10.html
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
// You may elect to redistribute this code under either of these licenses. 
// ========================================================================

package org.eclipse.jetty.servlets;

import java.io.IOException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.eclipse.jetty.server.AbstractHttpConnection;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;

/* ------------------------------------------------------------ */
/** Closeable DoS Filter.
 * This is an extension to the {@link DoSFilter} that uses Jetty APIs to allow
 * connections to be closed cleanly. 
 */

public class CloseableDoSFilter extends DoSFilter
{
    private static final Logger LOG = Log.getLogger(CloseableDoSFilter.class);

    protected void closeConnection(HttpServletRequest request, HttpServletResponse response, Thread thread)
    {
        try
        {
            Request base_request=(request instanceof Request)?(Request)request:AbstractHttpConnection.getCurrentConnection().getRequest();
            base_request.getConnection().getEndPoint().close();
        }
        catch(IOException e)
        {
            LOG.warn(e);
        }
    }
}