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From "Matthias Wessendorf" <mat...@apache.org>
Subject Re: Access Component tree from a Servlet Filter
Date Thu, 14 Feb 2008 16:36:06 GMT
On Thu, Feb 14, 2008 at 5:20 PM, Andrew Robinson
<andrew.rw.robinson@gmail.com> wrote:
> Why reinvent the wheel? There are technologies that already do this.

+1 on that.

-M


>
> See here for "on-load" functionality:
>
> http://wiki.apache.org/myfaces/Execute_action_on_page_load?highlight=%28onload%29
>
> Seam has page security:
>
> http://docs.jboss.com/seam/2.0.1.GA/reference/en/html/security.html
>
> ACEGI seems to be pretty popular on the list:
>
> http://wiki.apache.org/myfaces/JSF_and_Acegi
>
> -Andrew
>
>
>
> On Thu, Feb 14, 2008 at 8:44 AM, Sertic Mirko, Bedag <Mirko.Sertic@bedag.ch>
> wrote:
>
> > Thank you a lot.
> > Thats a very good tip.
> >
> > I am experimenting to implement the following usecase:
> >
> > Before a given view is displayed, I want to intercept the rendering, check
> if
> > Access is allowed. If its allowed, I want to render the response. If not,
> I want
> > to forward the user to a login page.
> >
> > Currently, I am using a PhaseListener. It is running for the
> RENDER_RESPNSE phase.
> > Now, now do I implement the tricky part? I know if a user is allowed the
> view
> > a given view, but how do I cancel rendering and forward to another page?
> >
> > Is there any other good solution available for this usecase?
> >
> > Thanks a lot
> > Mirko
> >
> >
> > -----Urspr√ľngliche Nachricht-----
> > Von: simon.kitching@chello.at [mailto:simon.kitching@chello.at]
> > Gesendet: Donnerstag, 14. Februar 2008 12:35
> > An: MyFaces Discussion
> > Betreff: Re: Access Component tree from a Servlet Filter
> >
> > Sertic Mirko, Bedag schrieb:
> > >
> > > Hi@all!
> > >
> > > I need to access the component tree from a sevlet filter, e.g. if there
> > >
> > > is a view to restore. I also need to detect if there is no view to
> > > restore,
> > >
> > > and I need to do that within a ServletFilter. Is this possible, and how
> > >
> > > should I do that? Are there any examples available?
> > >
> >
> > http://wiki.apache.org/myfaces/AccessFacesContextFromServlet
> >
> >
>
>



-- 
Matthias Wessendorf

further stuff:
blog: http://matthiaswessendorf.wordpress.com/
sessions: http://www.slideshare.net/mwessendorf
mail: matzew-at-apache-dot-org

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