blob: d63875351978835d4e95a462432fb8154d790d25 [file] [log] [blame]
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.sling.starter.startup.impl;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletResponse;
public class StartupFilter implements Filter {
@Override
public void init(final FilterConfig filterConfig) throws ServletException {
// nothing to do
}
@Override
public void doFilter(final ServletRequest request,
final ServletResponse response,
final FilterChain chain)
throws IOException, ServletException {
response.setContentType("text/html");
response.setCharacterEncoding("utf-8");
((HttpServletResponse)response).setHeader("Cache-Control", "no-store");
final PrintWriter pw = response.getWriter();
pw.println("<html><head>");
pw.println("<META HTTP-EQUIV=\"refresh\" CONTENT=\"5\">");
pw.println("<title>Apache Sling...</title></head>");
pw.println("<body>");
pw.println("<h1>Apache Sling is starting up....</h1>");
pw.println("</body>");
pw.println("</html>");
pw.flush();
}
@Override
public void destroy() {
// nothing to do
}
}