[jboss-user] [JBoss Seam] - Re: Disabling browser cache ???

[terryb]

Thanks. I tried following? it executs but it gets invoked many time for each  page. I think once or so for every included xhtml, since my page has template, headers, footer, menu bars in seperate files. I guess that is normal...


public class NoCachePhaseListener implements PhaseListener { 
  | 
  |     public PhaseId getPhaseId() {
  |         return PhaseId.RENDER_RESPONSE; 
  |     } 
  | 
  |     public void afterPhase(PhaseEvent phaseEvent) { 
  |     } 
  | 
  |     public void beforePhase(PhaseEvent phaseEvent) {
  |         
  |         FacesContext facesContext = phaseEvent.getFacesContext(); 
  |         HttpServletResponse response = (HttpServletResponse)facesContext.getExternalContext().getResponse(); 
  |         
  |         try{ 
  |             response.setHeader("Cache-Control", "no-cache, must-revalidate");
  |             response.setDateHeader("Expires", 0L);
  |             response.setHeader("Pragma", "No-cache");
  |         }catch(NullPointerException npe){ 
  |             System.out.println("Null http response, no action on cache-control"); 
  |         } 
  | 
  |     } 
  | } 


faces-config.xml:

<lifecycle> 
  |     <phase-listener>au.edu.tisc.util.NoCachePhaseListener</phase-listener>
  | </lifecycle> 




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