Leszek Gawron wrote:

other example that I posted some time ago: if every cocoon uses error2html.xsl by default (along with some other default resources) they should be also packed into jars.


Aha! This is something I wanted to talk about when working on Cocoon stacktraces: standardizing the fact that some blocks provide resources and include them in jars.

The first block to do this is CForms, which provides a lot of runtime resources in org/apache/cocoon/forms/resources: XSLs, js, css, etc. We also have a few items for the core block in webapp/stylesheets/system and webapp/resources (js and css). What we see here is that these are runtime resources targeted both at the server side (XSLs) and the client side (js, css and also XSLs for xsl-aware browsers).

What I propose is that we define a standard layout for resources provided by blocks: they should be stored in resource://org/apache/cocoon/{block-name}/resources/

Additionally, we should have a system-defined URI which allows clients to fetch these resources, implemented in the root sitemap:

<map:match pattern="_cocoon_/*/**">
 <map:read src="resource://org/apache/cocoon/{1}/resources/{2}"/>
</map:match>

By standardizing this URI pattern, we can easily solve cross-referencing problems among resources, e.g. CForms XSLs having to produce <script src="..."/> to load the JS files, etc.

This URI pattern could even be written **_cocoon_/*/** to be location-independent so that we don't have to mess around with {request:contextPath}.

WDYT?

Sylvain

--
Sylvain Wallez                        Anyware Technologies
http://people.apache.org/~sylvain     http://www.anyware-tech.com
Apache Software Foundation Member     Research & Technology Director

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