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From Robert Ritchy <rit...@jarbo.com>
Subject Re: Content driven web application
Date Sun, 30 Jul 2006 00:52:31 GMT
This would be a great project and I'd be very interested as well. More 
importantly than the apps; I'd love to see a nice framework (and 
patterns) emerge for building content-focused web applications. The 
components that come out of this project will be great building blocks 
for feature-rich apps in the future. And, that classloader is perfect 
for something like this.

Want to add a blog or wiki section to your web-app? Simple.


Nicolas wrote:
> I am interested. It could be a great demo app for Jackrabbit :)
> On 7/29/06, Jukka Zitting <jukka.zitting@gmail.com> wrote:
>> Hi,
>> Here's an idea I've been playing with for a while. It's a design for a
>> generic web application that runs on top of a JCR repository.
>> The basic idea of the design is to avoid the static web.xml servlet
>> mapping that binds a URL pattern to some functionality, i.e. a servlet
>> class. Instead I'd like to bind a JCR content tree directly to the URL
>> space and use the type of a matching node to dispatch the request to
>> the appropriate functionality. A bit like what a web browser does with
>> the mime type of a retrieved resource.
>> A simple implementation of this idea would be a webapp that contains a
>> generic dispatching servlet and a set of default "handlers" for
>> standard node types like nt:file, nt:folder, and nt:base (as a default
>> fallback). The webapp would lookup the underlying JCR repository
>> through JNDI and would use the JCR classloader library to allow custom
>> node type handlers to be deployed simply by dropping class or jar
>> files into the repository.
>> You could for example build a wiki or a blog engine with such a
>> framework quite easily by defining the "wikipage" or "blogentry" node
>> types and implementing the respective custom handlers. As a bonus
>> you'd get instant attachment support from the default nt:file handler.
>> Making a wikilog would just be a matter of deploying the required
>> handlers within the same workspace. Similarly, you could add for
>> example image gallery functionality by dropping in a set of new node
>> types and handlers.
>> Would there be interest in developing this idea further?
>> BR,
>> Jukka Zitting
>> -- 
>> Yukatan - http://yukatan.fi/ - info@yukatan.fi
>> Software craftsmanship, JCR consulting, and Java development

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