RE: Selecting between multiple stylesheets on same xml

Hi,

I haven't used cocoon, but I have used Xalan to perfrom an XSLT transform.
I was able to specify a stylehseet when creating an instance of class
javax.xml.transform.TransformerFactory. I used the constructor that takes a
stream source created from the XSL stylesheet.

This allows the XML source to have any number of transformations applied to
it, and they cn be determined at run time.

Again, I haven't used cocoon, so you might end up having to get in there
and change some of the code fro your implementation...

Good luck,
dave




Doug.Hewko@xxxxxxxxxxxxxxx@l... on 09/05/2001 02:48:47 PM

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To:   xsl-list@xxxxxxxxxxxxxxxxxxxxxx
cc:   mjm1project@xxxxxxxxxxx
Subject:  RE:  Selecting between multiple stylesheets on same xml file
       (apache/cocoon)


Just a question, can you use JS or ASP, or some other server-side language
to generate the XSL for you? That definitely should allow you to accomplish
what you want. JS is supported by Tomcat.

I am quite sure that you can not have the XSL loaded dynamically as you
desire, but then I'm not really an expert. (Learning and trying.)

Just a thought...

> -----Original Message-----
> From: M M [mailto:mjm1project@xxxxxxxxxxx]
> Sent: September 5, 2001 2:43 PM
> To: XSL-List@xxxxxxxxxxxxxxxxxxxxxx
> Subject:  Selecting between multiple stylesheets on same xml file
> (apache/cocoon)
>
>
> Hi... first I want to say thanx to those who solved my
> xsl variable problem. Now I'm asking if there's a
> similar way to declare and pass an external value to a
> variable in the XML document itself.
> I'm using an apache/cocoon setup, with an xml newsfeed
> of about 5/6 categories of stories. With perhaps with
> php script, I want to detect the user's platform, eg
> normal desktop/laptop, PocketPC, Palm, etc using
> HTTP_USER_AGENT, also category(s) of user's news
> preferences, particular story etc, then select the
> appropriate xsl stylesheet to serve up content
> particular to their needs.
> At the moment, i'm using several copies of the same
> xml file referencing different stylesheets, and
> obviously this is ridiculous! What I want to do is
> something like this:
>
> <?xml version="1.0" encoding="iso-8859-1"?>
> <?xml-stylesheet href="$xyz.xsl" type="text/xsl"?>
> <?cocoon-process type="xslt"?>
>
> where $xyz is a variable which can be declared in the
> xml file some way similar to the way I'm using
> <xsl:param> to construct variables in the xsl that can
> pick up values passed by a php script or appended to a
> url e.g http://myserver.com/news.xml?xyz=stylesheet1
>
> Thanks!
>
> P.S. Am I approaching this wrong? Should there be just
> one stylesheet reference in the xml, and then in the
> stylesheet itself use variables to select between
> diffent @import locations and have all the specific
> templates in small external xsl files?
>
>
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