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From Ben Laurie <>
Subject Re: XSP (minus Cocoon plus SAX) success story
Date Tue, 25 Jan 2000 20:05:56 GMT
Mike Williams wrote:
> Hiya ... I'm new to the list, though I've been following Cocoon
> developments on and off for the last year.
> For the past month or so, I've been developing an processor to produce
> web-pages from XML templates.  My servlets handle requests, construct a Map
> full of data to be merged into the output, and use templates to produce a
> result-page.  The template resolver walks a DOM tree, and use FESI
> ECMAScript to resolve merge-data expressions.  The output is a stream of
> SAX events.
> Then last week, I saw the XSP stuff in Cocoon-1.6, and the penny
> dropped. Way cool!  I've now written an XSL stylesheet that tranforms an
> XSP page into a Java template; again, input is a Map of merge-data, and
> output is SAX.
>   Build-time:
>     {XSP} -> XSL(xsp) -> {template source} -> compile -> {template class}
>   Run-time:
>     {data Map} -> template -> {SAX} -> formatter -> {HTML}
> There's no Cocoon code here: our pages are highly dynamic, so caching them
> is not really an option.  We don't do any XSL transformation of the output
> either ... it's all done before the XSP step, so that all the layout ends
> up coded in Java as SAX events-calls.
> Anyway, the result is blinding fast: about 10 times the performance of my
> original template interpreter!  Many, many thanks to Stefano, for
> conceiving XSP, and Ricardo, for demonstrating how to implement it.  I'd
> love to contribute my code to Cocoon, if it's at all useful ... just let me
> know where to send it.

Sounds very interesting, but if it doesn't use Cocoon, presumably it
belongs under some other part of the XML tree? I dunno, perhaps Cocoon
should spread to encompass it?




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