/*
 *  eXist Open Source Native XML Database
 *  Copyright (C) 2001-07 The eXist Project
 *  http://exist-db.org
 *
 *  This program 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
 *  of the License, or (at your option) any later version.
 *
 *  This program 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 library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * $Id$
 */
package org.exist.http.urlrewrite;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletConfig;
import javax.servlet.http.HttpServletRequest;

import org.w3c.dom.Element;

public class PassThrough extends Forward {

	private ServletConfig servletConfig;
	
    public PassThrough(ServletConfig servletConfig, HttpServletRequest request) {
        super(null, request.getRequestURI());
        this.servletConfig = servletConfig;
        this.target = request.getRequestURI().substring(request.getContextPath().length());
    }
    
    public PassThrough(ServletConfig servletConfig, Element config, HttpServletRequest request) {
        super(config, request.getRequestURI());
        this.servletConfig = servletConfig;
        this.target = request.getRequestURI().substring(request.getContextPath().length());
    }

    public PassThrough(PassThrough other) {
        super(other);
        this.servletConfig = other.servletConfig;
    }

	@Override
	protected RequestDispatcher getRequestDispatcher(HttpServletRequest request) {
		// always forward to the servlet engine's default servlet
        return servletConfig.getServletContext().getNamedDispatcher("default");
	}

    @Override
    protected URLRewrite copy() {
        return new PassThrough(this);
    }
}