/*
* 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 java.io.IOException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.exist.http.servlets.HttpResponseWrapper;
import org.w3c.dom.Element;
public abstract class Forward extends URLRewrite {
protected Forward(Element config, String uri) {
super(config, uri);
}
protected Forward(URLRewrite other) {
super(other);
}
@Override
public void doRewrite(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
final RequestDispatcher dispatcher = getRequestDispatcher(request);
if (dispatcher == null)
{throw new ServletException("Failed to initialize request dispatcher to forward request to " + uri);}
setHeaders(new HttpResponseWrapper(response));
dispatcher.forward(request, response);
}
protected abstract RequestDispatcher getRequestDispatcher(HttpServletRequest request);
}