1 /* 2 * $Id$ 3 * 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 package org.apache.struts.chain.commands.servlet; 22 23 import org.apache.struts.chain.commands.AbstractRequestNoCache; 24 import org.apache.struts.chain.contexts.ActionContext; 25 import org.apache.struts.chain.contexts.ServletActionContext; 26 27 import jakarta.servlet.http.HttpServletResponse; 28 29 /** 30 * <p>Check to see if the controller is configured to prevent caching, and if 31 * so, set the no cache HTTP response headers.</p> 32 * 33 * @version $Rev$ $Date: 2005-05-07 12:11:38 -0400 (Sat, 07 May 2005) 34 * $ 35 */ 36 public class RequestNoCache extends AbstractRequestNoCache { 37 // ------------------------------------------------------- Protected Methods 38 protected void requestNoCache(ActionContext context) { 39 ServletActionContext sacontext = (ServletActionContext) context; 40 HttpServletResponse response = sacontext.getResponse(); 41 42 response.setHeader("Pragma", "No-cache"); 43 response.setHeader("Cache-Control", "no-cache,no-store,max-age=0"); 44 response.setDateHeader("Expires", 1); 45 } 46 }