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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 javax.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: 471754 $ $Date: 2005-05-07 12:11:38 -0400 (Sat, 07 May 2005)
34 * $
35 */
36 public class RequestNoCache extends AbstractRequestNoCache {
37
38 protected void requestNoCache(ActionContext context) {
39 ServletActionContext sacontext = (ServletActionContext) context;
40 HttpServletResponse response = sacontext.getResponse();
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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 }