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Subject: Re: Sling Proposal
From: Felix Meschberger <fmeschbe@gmail.com>
To: dev@jackrabbit.apache.org
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Date: Fri, 03 Aug 2007 10:26:48 +0200
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Good point. Just done that.

Regards
Felix

Am Freitag, den 03.08.2007, 10:13 +0200 schrieb Christophe Lombart:
> Maybe we can add this kind of info in the wiki.
> 
> Christophe
> 
> 
> On 8/3/07, Felix Meschberger <fmeschbe@gmail.com> wrote:
> >
> > Hi Ransford,
> >
> > Am Mittwoch, den 01.08.2007, 13:46 -0700 schrieb paksegu:
> > > I have read the documention but I am still confuse on the purpose and
> > benefit of sling, can you please give me  a brief explanation of what is
> > does and where it applicable, say a usecase scenario.
> >
> > Basically, the intent of Sling is to be JCR-based web application
> > development framework. All content delivered is backed by actual
> > Repository Content (Nodes and Properties). As such, a request is
> > resolved against a Repository Node, loaded (using the JCR Mapper) into a
> > Java Object called the Content object, which is handed to a Component
> > object which in turn handles the Java Object representing the node and
> > renders the response.
> >
> > The uses of these are vast and way beyond my own imagination (David is
> > much better at that :-) ). But here are a few ones:
> >
> >
> > Wiki
> > ----
> >
> > We built a Wiki system on Sling. Each Wiki page is a node (with optional
> > child nodes) in the repository. As a page is requested, the respective
> > node is accessed and through the applying Component is rendered.
> >
> > Thanks to the JCR Mapping and the resolution of the Component from the
> > mapped Content, the system does not care for what actual node is
> > addressed as long as there is a Content mapping and a Component capable
> > of handling the Content.
> >
> > Thus in the tradition of REST, the attachement of a Wiki page, which
> > happens to be in a node nested below the wiki page node is easily
> > accessed using the URL of the wiki page attaching the relative path of
> > the attachement node. The system resolves the URL to the attachement
> > Content and just calls the attachement's Component to spool the
> > attachement.
> >
> >
> > Digital Asset Management
> > ------------------------
> >
> > Day has implemented a Digital Asset Management (DAM) Application based
> > on Sling. Thanks to the flexibility of the Content/Component combo as
> > well as the service registration/access functionality offered by OSGi,
> > extending DAM for new content type is merely a matter of implementing
> > one or two interfaces and registering the respective service(s).
> >
> > Again, the management assets may be easily spooled by directly accessing
> > them.
> >
> >
> > Web Content Management
> > ----------------------
> >
> > Last but not least, Sling offers it self very well to implementing a Web
> > Content Management system. Thanks to the flexibility of rendering the
> > output - remmber: the system does not care what to render, as long as
> > the URL resolves to a Content object for which a Component exists, which
> > is called to render the Content - providing support for Web Content
> > authors (not PHP programmers but users out in the field) to build pages
> > to their likings can easily be done.
> >
> >
> > I hope these examples helped clarfiy a bit the scope of Sling and what
> > can be accomplished.
> >
> > Regards
> > Felix
> >
> >