| /* |
| * 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 |
| } |
| } |