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From "Bernhard Huber" <bh22...@i-one.at>
Subject Re: session messaging
Date Sun, 02 Sep 2001 21:07:42 GMT
Hi,
May javax.servlet.http.HttpSessionBindingListener defined
in ServletAPI 2.2 already be enough?
Implementing this interface you will be notifed if attributes
are added, or removed from the session.


----- Originalnachricht -----
Von: Jörg Prante <joergprante@gmx.de>
Datum: Sonntag, September 2, 2001 6:11 pm
Betreff: Re: session messaging

> Torsten,
> 
> did you have a look at Servlet API 2.3 session attribute listeners 
> at 
> javax.servlet.http.HttpSessionAttributeListener? I used this to 
> keep track of 
> session information e.g. users. Your "finalize" approach look much 
> like the 
> attribute removal method. Cocoon 2 should use the methods of the 
> Servlet 2.3 
> API as well, there is no need to re-invent the wheel.
> 
> Jörg
> 
> Am Sonntag,  2. September 2001 16:00 schrieb Torsten Curdt:
> > I'd like to propose to extend the Session interface
> > with some kind of messaging functionality.
> >
> > I'd like to keep track of the users that are currently
> > logged into our app. Right now I don't see any other
> > way of doing this but to extend the Session interface
> >
> > interface Session {
> >   ...
> >   public void addFinalizeListener( FinalizeListener l);
> > }
> >
> > interface FinalizeListener {
> >   public void finalizeOf( Object current );
> > }
> >
> > and then call the added Listeners in the finalizer of the
> > Session implementing classes.
> > This would give a lot more information of the magical
> > session thing that comes from the differen servlet
> > engines.
> >
> > But of course I might have again missed something ;)
> > ...so what do you guys think ?
> > --
> > Torsten
> >
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