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16 package org.apache.struts.chain.commands.servlet;
17
18 import org.apache.struts.chain.commands.AbstractRequestNoCache;
19 import org.apache.struts.chain.contexts.ActionContext;
20 import org.apache.struts.chain.contexts.ServletActionContext;
21
22 import javax.servlet.http.HttpServletResponse;
23
24 /***
25 * <p>Check to see if the controller is configured to prevent caching, and if
26 * so, set the no cache HTTP response headers.</p>
27 *
28 * @version $Rev: 421119 $ $Date: 2005-05-07 12:11:38 -0400 (Sat, 07 May 2005)
29 * $
30 */
31 public class RequestNoCache extends AbstractRequestNoCache {
32
33 protected void requestNoCache(ActionContext context) {
34 ServletActionContext sacontext = (ServletActionContext) context;
35 HttpServletResponse response = sacontext.getResponse();
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37 response.setHeader("Pragma", "No-cache");
38 response.setHeader("Cache-Control", "no-cache,no-store,max-age=0");
39 response.setDateHeader("Expires", 1);
40 }
41 }