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From "Vadim Gritsenko" <>
Subject RE: Understanding cocoon ......
Date Wed, 09 Jan 2002 21:15:42 GMT
> From: Christoph Henrici []
>   I have been studying, testing and playing around with cocoon in the
> last few days as a newcomer : i am greatly impressed with what ease
> cocoon "pipelines" arbrary data sources can be "chained" to a result
> target: a very powerful paradigm (pipe) applied in a powerful context
> (http) by using great technology (xml, xlst). In context of the
> development of a web based application with requirements for a fairly
> generic mechanism for the dynamic personlization of webpages in terms
> content and style the following questions below arised.  Maybe they
> from the fact, that i still missed a couple of aspect and points,
> the requirement or idea is just not thought through enough, anyway:
> a. Is it possible to "compose" pipelines and having the composed
> pipeline beeing processing bottom-up and the whole beeing rendered for
> example as html: A compostion of tables within table, frames within
> frame etc.,  where the content of the "elementary" pipelines are
> dyanmic, taking for examples data from the databases. I am aware that
> the aggregation <map:aggregate> mechansim provides a somewhat similiar
> construction, only the composition could also be composed of

I'm not sure I understood you correctly... But, if you want to aggregate
resources and do not know at the moment of writing sitemap what to
aggregate - then you can use "include" capabilities of Cocoon. It is
possible to do:

<map:generate/> to generate document with include tags (this can be from
<map:transform type="cinclude"/> (or xinclude) - processed include tags
and includes content from the sources mentioned in these tags,
<map:serialize/> serializes results.

for documentation on xinclude and cinclude transformers.

> b. Is it possible the change the sitemap or more specifically the
> piplines configuration ( <map:pipelines>)  dynamically.

No, this is not possible.


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