Re: [aspectj-users] JSP and pointcuts

[Russell Miles <russellmiles@xxxxxxx>]

Depends if you have control over the web service codebase - if you do 
then it's like any other app and can be advised at compile and weave 
time. You can advise a JSP by precompiling it into a servlet, you can 
advise a web service if you have the codebase - all using AspectJ BUT - 
nope you cannot advise a web service if it is something you are just 
using and is not under your control , and admittedly it does look from 
the original question that the web service is just being 'used' rather 
than part of the controlled development environment (however you can 
advise the calls to the web service as they are located in your JSP in 
which you should have control of the source).

It's just a case of 'do you have control of the codebase for the JSP 
and/or web service?' and 'where exactly you want the advice to take 
shape?'. If you are just using the web service, then you can advise 
your servlet but not the web service itself.

Cheers,

Russ

On 30 Nov 2004, at 08:23, Arto Pastinen wrote:

> Hi!
>
> You can't. JSP and web services are managed different containers. That
> web service can be even different JVM other side on world, so you don't
> have reference to web service in JSP.
>
> Artsi
>
> On Tue, 2004-11-30 at 10:12, Russell Miles wrote:
> > Not sure I completely understand, are you advising the JSP or the web
> > service (in other words, are you weaving into the codebase of the JSP
> > by advising when the web service is called or is the intent to weave
> > into the web service's codebase itself)?
> >
> > Either way, it's definitely possible to use AspectJ when advising 
> > JSP's
> > (tricky and a bit manual at the moment but possible) and/or web
> > services (in Axis anyway as it's Java)
> >
> > Cheers,
> >
> > Russ
> >
> > On 30 Nov 2004, at 06:36, Eric Bodden wrote:
> >
> > > -----BEGIN PGP SIGNED MESSAGE-----
> > > Hash: SHA1
> > >
> > > ujuarez71@xxxxxxxxxxxx wrote:
> > > > Hi.
> > > >
> > > > I have a JSP file where I invoke a web service in this file. How I
> > > > can stablish pointcuts in the JSP file in order to add certain
> > > > behaviour to the web services?
> > > I am not sure, if at the moment any of the frameworks supports that.
> > > And I am pretty much sure that AspectJ does not. However in the near
> > > future that could e.g. be adresses by metadata annotations for JSP:
> > > http://jcp.org/en/jsr/detail?id=181 So it would make a great entey on
> > > the wishlist I guess.
> > >
> > > Eric
> > >
> > > - --
> > > Eric Bodden
> > > Chair I2 for Programming Languages and Program Analysis
> > > RWTH Aachen University
> > >
> > > -----BEGIN PGP SIGNATURE-----
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> > > iQA/AwUBQawU3swiFCm7RlWCEQIolgCeIDQX4397HX779pWuXsHmMFXy7k0AnRjC
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> > > =SVy8
> > > -----END PGP SIGNATURE-----
> > >
> > >
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