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From "Carsten Ziegeler" <>
Subject AW: [RT] Merging ServerPages and File Generators
Date Wed, 11 Jul 2001 14:06:33 GMT
How would this new component detect if is an xml document
or an xsp page?


> -----Ursprungliche Nachricht-----
> Von: Berin Loritsch []
> Gesendet: Dienstag, 10. Juli 2001 17:24
> An:
> Betreff: [RT] Merging ServerPages and File Generators
> In my never ending quest to perfect Cocoon, I have a proposal
> that will make some problems easier to solve.  It is the
> merging of ServerPagesGenerator and FileGenerator Components.
> The reason is that the only real difference between them is
> that the ServerPages Generator compiles an XML file with the
> root "xsp:page".
> By merging the two, we use automatic discovery of the type of
> file we are dealing with, and act accordingly.  I can't tell
> you the number of times I have either had to declare all pages
> in a URL space as ServerPages, or do some crazy Sitemap
> workarounds for a page or two just because I needed XSP in
> a couple of locations.
> For example, If I have a general pipeline declaration that
> works like this:
> <map:generate src="docs/{1}.xml"/>
> <map:transform src="stylesheets/1.xsl"/>
> <map:transform src="stylesheets/2.xsl"/>
> <map:transform src="stylesheets/3.xsl"/>
> <map:serialize>
> Then I would have to add another entry like this:
> <map:generate type="serverpages" src="docs/{1}.xml"/>
> <map:transform src="stylesheets/1.xsl"/>
> <map:transform src="stylesheets/2.xsl"/>
> <map:transform src="stylesheets/3.xsl"/>
> <map:serialize>
> for XSP pages in the same general URL space.  The only
> difference is the generator type.  So I either use
> fancy selector logic, an additional matcher entry, or
> make all my pages in a URL space XSP pages.  It depends
> on the cost.
> The merging of ServerPagesGenerator and FileGenerator will
> allow automatic discovery of the two scenarios without
> complex logic--easing administration duties.
> This also eases development as pages are migrated to/from
> XSP depending on business needs.
> Another side benefit is that the FileGenerator already has
> logic that determines if a file has been modified--we can
> leverage that to determine whether we want our XSP regenerated.
> Thoughts, Comments?

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