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 }