when you hit pageexpired exception you do not know which page caused it
-igor
On Fri, Jan 16, 2009 at 11:18 AM, Martin Makundi
<martin.maku...@koodaripalvelut.com> wrote:
> Hi!
>
> I would like to ignore "page expired" on certain pages. What I mean is
> that in general it is ok to follow the instruction:
>
> getApplicationSettings().setPageExpiredErrorPage(LoginPage.class);
>
> However, on certain pages where the session is not so important, I
> would like to redirect back to the ongoing page (without
> RestartResponseException) because there is no harm (I can check some
> @SafeExpired annotation or something, to make sure).
>
> I found the following piece from AbstractRequestCycleProcessor:
> if (e instanceof PageExpiredException)
> {
> Class<? extends Page> pageExpiredErrorPageClass =
> application.getApplicationSettings()
> .getPageExpiredErrorPage();
> boolean mounted = isPageMounted(pageExpiredErrorPageClass);
> RequestCycle.get().setRedirect(mounted);
> throw new RestartResponseException(pageExpiredErrorPageClass);
> }
>
> I could extend WebRequestCycleProcessor and override the method public
> void respond(RuntimeException e, RequestCycle requestCycle); with the
> intention of Catching the RestartResponseException and analyzing
> whether the target page meets the special conditions. If it does meet,
> I consume the RestartResponseException...
>
> Will this do the trick properly? Is this a good approach? Anybody done
> this before?
>
> It feels a bit like hacking into the wicket bloodlines, if the
> internals change the hack might not work in the future. Is there a
> more proper way to do this or should there be a new feature in Wicket
> to support selecting which pages care about expiration (or maybe there
> already is?)? These pages in question have only some plain forms and
> do not require login. Now if such a page expires, it redirects to
> login, which is really not the purpose.
>
> **
> Martin
>
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