You could aslo create a delegate the is refered to in the @Style
component. That delegate could then write out meta tags for your
page.
On 9/12/05, Hensley, Richard <[EMAIL PROTECTED]> wrote:
> Jim,
>
> We have been successful using either a filter.
>
> public void doFilter(ServletRequest request, ServletResponse response,
> FilterChain chain) throws IOException, ServletException {
> try {
> HttpServletResponse res = (HttpServletResponse) response;
> res.addHeader("Pragma", "no-cache");
> res.addHeader("Cache-Control", "no-cache");
> res.addHeader("Expires", "-1");
> chain.doFilter(request, response);
> }
> finally {
> }
> }
>
>
> or a pageBeginRender() override
>
> public void pageBeginRender(PageEvent event) {
> if (event.getRequestCycle().isRewinding()) {
> return;
> }
> HttpServletResponse res =
> event.getRequestCycle().getRequestContext()
> .getResponse();
> res.setHeader("Pragma", "no-cache");
> res.setHeader("Cache-Control", "no-cache");
> res.setHeader("Expires", "-1");
> }
>
> Either one has worked great for us. We prefer the servlet filter approach
> because it takes servlet code out of our page implementations.
>
> What makes you think this has no effect? If you use a http traffic monitor,
> such the tool available from axis you will discover that your headers are
> being transmitted.
>
> http://ws.apache.org/axis/java/user-guide.html#AppendixUsingTheAxisTCPMonito
> rTcpmon
>
> Richard
>
> -----Original Message-----
> From: JIM WEAVER [mailto:[EMAIL PROTECTED]
> Sent: Monday, September 12, 2005 9:34 AM
> To: Tapestry users
> Subject: Disable HTML page caching in Tapestry 3.0.3 application
>
> This is browser client-side caching I'm trying to disable rather than
> Tapestry server-side page cachine.
>
> For our JSP apps, either a custom tag or servlet filter is used to
> execute
> the something like:
>
> httpResponse.setHeader("Pragma", "no-cache");
> httpResponse.setDateHeader("Expires", 0);
> httpResponse.setHeader("Cache-Control", "no-cache");
>
> I tried that code in a servlet filter with our tapestry app, and it
> executes
> but appears to have no effect. I've also tried adding it to
> pageBeginRender
> of select pages, and using meta tags in the html header instead of
> setting
> the response. All no effect.
>
> I suspect my problem has nothing to do with Tapestry, but I can't figure
>
> what I'm doing wrong.
>
> Anyone doing this currently?
>
> jim
>
>
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>
--
~chris
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