/*
* 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: Redirect.java 12936 2010-10-14 14:05:15Z gev $
*/
package org.exist.http.urlrewrite;
import org.exist.http.servlets.HttpResponseWrapper;
import org.w3c.dom.Element;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import java.io.IOException;
public class Redirect extends URLRewrite {
public Redirect(Element config, String uri) throws ServletException {
super(config, uri);
String redirectTo = config.getAttribute("url");
if (redirectTo.length() == 0)
throw new ServletException("<exist:redirect> needs an attribute 'url'.");
if (redirectTo.matches("^\\w+://.*"))
setTarget(redirectTo); // do not touch URIs pointing to other server
else
setTarget(URLRewrite.normalizePath(redirectTo));
}
@Override
public void doRewrite(HttpServletRequest request, HttpServletResponse response, FilterChain chain) throws ServletException, IOException {
setHeaders(new HttpResponseWrapper(response));
response.sendRedirect(target);
}
}