| /* |
| * Copyright 2014 The Apache Software Foundation. |
| * |
| * Licensed 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.juddi.webconsole; |
| |
| import java.io.IOException; |
| 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; |
| |
| /** |
| * |
| * @author Alex O'Ree |
| */ |
| public class NoCacheFilter implements Filter { |
| |
| @Override |
| public void init(FilterConfig fc) throws ServletException { |
| |
| } |
| |
| @Override |
| public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException { |
| HttpServletResponse hsr = (HttpServletResponse) res; |
| hsr.setHeader("Cache-Control", "no-cache, no-store, must-revalidate"); // HTTP 1.1. |
| hsr.setHeader("Pragma", "no-cache"); // HTTP 1.0. |
| hsr.setDateHeader("Expires", 0); // Proxies. |
| chain.doFilter(req, res); |
| } |
| |
| @Override |
| public void destroy() { |
| |
| } |
| |
| } |