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From giacomo <giac...@apache.org>
Subject RE: [C2] Allowing actions to select transformer type
Date Tue, 01 May 2001 19:17:34 GMT


On Tue, 1 May 2001, Leo Sutic wrote:

> All,
>
> if Sylvain is correct, and there are caching issues associated with this,
> the change could potentially break Cocoon. (I believe he's right - if the
> pipelines change depending on their content, caching may be difficult. But I
> haven't really thought this through.)
>
> After reading the posts by Giacomo and Sylvain, I'm -1 on substitution in
> type attributes as well.
>
> However, if I modify my suggestion to the 3rd possible patch I described in
> my original email:
>
> > > 2) Create a new selector that tests on sitemap parameters.

Ever looked at the CodedSelectorFactory? It could save your problems.

Giacomo

> As I will only have to choose between 2 or max 3 different transformers (all
> of which are known in advance), this will solve my problem. Would this merge
> better with Cocoon?
>
> I figure it'd be something like:
>
> <map:selector name="parameter" parametertoexamine="myparameter"
> factory="org.apache.cocoon.selection.ParameterSelectorFactory"/>
>
> ...
>
> <map:select type="parameter">
>  <map:when test="myvalue">
>   ...
>  </map:when>
>  <map:when test="myothervalue">
>   ...
>  </map:when>
> </map:select>
>
> /LS
>
>
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