I do the same plus this:
Date dateInPast = new Date(0);
response.setDateHeader("ExpiresAbsolute", dateInPast.getTime());
and I wrote it as a scriptlet in a separate file that is included in my JSP
pages using <%@ include file %> so that I would have to insert a call to a
method.
David
----- Original Message -----
From: Chris Wilson <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, November 29, 1999 4:51 PM
Subject: Re: Browser caches.
> i wrote a small utility class that does this for me, you could do
something
> similar and include it at the top of your servlets/jsp
>
> >>>>
>
> package com.wondergeek.web;
>
> import javax.servlet.http.*;
>
> public class Utilities
> {
> public static void setNoCache(HttpServletResponse response)
> {
> response.setHeader("pragma", "no-cache");
> response.setHeader("Cache-Control", "no-cache");
> response.setHeader("Cache-Control", "no-store");
> response.setDateHeader("Expires", 0);
>
> /* you have to set all this junk to support the different
features (i.e.
> bugs) in all the browsers
> some support some of the headers, others support the
others, so you end up
> having to set them all
> to work with any/all browsers combos and proxies */
> }
> }
> >>>>
>
> Utilities.setNoCache(response); // call this at in your pages before you
> output content.
>
> i don't believe that this will work for images though, just the page
content
> (html). if you want to make sure your images are not cached as well, you
> can configure your web server to include the above headers on a directory
or
> file basis.
>
> cheers,
> chris
>
> chris wilson
>
> {phone}
> tel + 616.471.9142
> fax + 616.471.6900
>
> {email}
> [EMAIL PROTECTED]
>
> {web}
> http://www.wondergeek.com
>
> > -----Original Message-----
> > From: A mailing list about Java Server Pages specification and reference
> > [mailto:[EMAIL PROTECTED]]On Behalf Of Daniel R nnqvist
> > Sent: Monday, November 29, 1999 9:37 AM
> > To: [EMAIL PROTECTED]
> > Subject: Browser caches.
> >
> >
> > Hello, first of all, sorry for this off-topic post, but as I'm
developing
> > pages in JSP, I thought someone might know a sollution to my problem
with
> > JSP, HTML or HTTP headers...
> >
> >
> > Is there a way to force the browser to reload the whole page and ALL of
it
> > contents (including images) ?
> > It can be VERY irritating when I have to go into Internet
> > Explorers menu all
> > the time and clear the cache. I've tried the header; <META
> > HTTP-EQUIV="Pragma" CONTENT="no-cache">
> > but it the browser doesn't really care and still refuses to reload the
> > contents of the page.
> >
> > Please help me with this one!
> > with regards, Daniel Ronnqvist
> >
> > ==================================================================
> > =========
> > To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
> > JSP-INTEREST".
> > FAQs on JSP can be found at:
> > http://java.sun.com/products/jsp/faq.html
> > http://www.esperanto.org.nz/jsp/jspfaq.html
> >
>
>
===========================================================================
> To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
JSP-INTEREST".
> FAQs on JSP can be found at:
> http://java.sun.com/products/jsp/faq.html
> http://www.esperanto.org.nz/jsp/jspfaq.html
>
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