use eXist xml database with lenya

[Jörn Nettingsmeier <po...@uni-duisburg.de>]

hi everyone!


i've been struggling for a while to use exist, an excellent xml database 
engine (http://exist-db.org), with lenya. both use and ship with their 
own version of cocoon, which is the problem.

ideally, i want to use the cocoon build from lenya, but i would like to 
extend it so that it will support the xmldb:exist:// pseudo protocol and 
  perhaps also the XMLDBTransformer. since both lenya and exist are very 
actively developed and i want to track both developer trees closely, 
this extension would have to happen inside the lenya/cocoon build process.

has anyone done this yet? or has anyone created their own cocoon blocks 
with other 3rd party software?

any hints welcome.


jörn



-- 
"Open source takes the bullshit out of software."
	- Charles Ferguson on TechnologyReview.com

--
Jörn Nettingsmeier, EDV-Administrator
Institut für Politikwissenschaft
Universität Duisburg-Essen, Standort Duisburg
Mail: pol-admin@uni-due.de, Telefon: 0203/379-2736

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Re: use eXist xml database with lenya

[Andreas Hartmann <an...@apache.org>]

Jörn Nettingsmeier wrote:
> hi everyone!
> 
> 
> i've been struggling for a while to use exist, an excellent xml database 
> engine (http://exist-db.org), with lenya. both use and ship with their 
> own version of cocoon, which is the problem.
> 
> ideally, i want to use the cocoon build from lenya, but i would like to 
> extend it so that it will support the xmldb:exist:// pseudo protocol and 
>  perhaps also the XMLDBTransformer. since both lenya and exist are very 
> actively developed and i want to track both developer trees closely, 
> this extension would have to happen inside the lenya/cocoon build process.
> 
> has anyone done this yet? or has anyone created their own cocoon blocks 
> with other 3rd party software?

I have a little experience with blocks (once I started to implement
a prototype of a new Lenya build process which converts modules to
blocks and uses the Cocoon build process to resolve dependencies,
compile and deploy them. But I'd defer it to a later release because
IMO there are more pressing issues than this for 1.4).

To create a block, you basically need

- a gump file which describes the block and its dependencies
- a patch file (local.blocks.*.xconf) which you drop in $COCOON_HOME

Unfortunately I couldn't find much documentation, but with the help
of the Cocoon build files and the mailing list archives it is possible
to find out how it works.

-- Andreas


-- 
Andreas Hartmann
Wyona Inc.  -   Open Source Content Management   -   Apache Lenya
http://www.wyona.com                      http://lenya.apache.org
andreas.hartmann@wyona.com                     andreas@apache.org


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