Gary-
Thanks for looking into this! I am able to use a Node in the argument
list and the processor does find the function. Thank you very much!
Here's what I was able to accomplish (in case you're curious):
I was trying to mimic the XSL 1.1 spec behavior of creating a tree
fragment in an XSL variable and being able to use that tree as a node
set (i.e. call apply-templates on it). According to XSL 1.0, you can
only copy that tree to the output, or use it to pass to other
functions. With this extension function, I am able to return a Node of
the fragment and call apply-templates against it.
OK, so the only thing my extension does is:
<java-source>
/** Converts a DocumentFragment to a NodeSet.
*/
public Node nodetree( Node frag ) {
return frag ;
}
</java-source>
Not terribly exciting, but it was the only way I could get it to work,
so it's actually very cool! Thanks again!
--jah
Gary L Peskin wrote:
>
> Jason --
>
> Hi. The problem is that we don't currently support DocumentFragment as
> an argument in a java extension for receiving an RTF. I seem to recall
> that there was a good reason for this but I don't remember that reason
> at the moment. So, I'll do some more thinking and either come up with
> the reason or add in the support for the java argument being a
> DocumentFragment.
>
> In the meantime, can you substitute a NodeIterator or NodeList or Node?
> The Node will get you the first child of the DocumentFragment.
>
> Gary
>
> jason heddings wrote:
> >
> > Hello!
> >
> > I am trying to create an extension that will accept a Result Tree
> > Fragment as it's argument. From the Xalan Extensions doc on the site, I
> > gathered this is of type org.w3c.dom.DocumentFragment and I created a
> > method that accepts this argument. The processor is unable to find this
> > method, however.
> >
> > As a sanity check just to make sure that the class and method were
> > found, I changed the method to accept a String and it worked fine.
> >
> > <java-source>
> >
> > public String parse( DocumentFragment frag ) {
> > return "running parse( )" ;
> > }
> >
> > </java-source>
> >
> > <xsl-source>
> >
> > <xsl:variable name="tree-frag">
> > <new-element>
> > <child />
> > </new-element>
> > </xsl:variable>
> >
> > <xsl:value-of select="ext:parse( $tree-frag )" />
> >
> > </xsl-source>
> >
> > Should this work?
> >
> > Thanks in advance for any help!
> > --jah
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