Scott --
We don't test for this on the return from the extension function. If
you'd like, I could add it but I, myself, think supporting the
DTMIterator is sufficient.
[EMAIL PROTECTED] wrote:
>
> > The extension mechanism does not support extensions returning a
> > NodeList
>
> Actually, I thought it did! I thought we had an adapter for this. Am I
> mistaken?
>
> -scott
>
>
> Gary L Peskin
> <garyp@firste To: [EMAIL PROTECTED]
> ch.com> cc: (bcc: Scott Boag/CAM/Lotus)
> Subject: Re: DTMNodeList to NodeList
>error in JAVA Extension usage.
> 07/30/01
> 01:11 PM
> Please
> respond to
> xalan-dev
>
>
>
> Bart --
>
> The proxy mechanism is built into the design of the DTM components. It
> is something that you get automatically. You don't need to do anything.
>
> The extension mechanism does not support extensions returning a
> NodeList, as you have already discovered. You should just return the
> underlying DTMIterator with the getDTMIterator() call. For example, if
> you've declared
>
> DTMNodeList retval;
>
> Just return
>
> retval.getDTMIterator();
>
> This should work fine.
>
> Gary
>
> "Bart W.Jenkins" wrote:
> >
> > Gary,
> > First, thanks for being so patient...we are investing heavily in XML /
> XSL
> > and making sure we know this technology thoroughly is critical. And I
> agree
> > with you...the first form is easier.
> >
> > All right...more questions!
> >
> > Prior to the Xalan versions that use DTM (specifically version 1_2_1),
> > regardless whether my JAVA code returned a nodelist or a nodeset, I could
> > then use the Xpath form we have been discussing:
> >
> > $var/node1/node2/...
> >
> > in my XSL, but when I try this with Xalan 1_2_2_D7, (one that uses DTM),
> I
> > get the following error:
> >
> > XSLT Error (javax.xml.transform.TransformerException): Can not convert
> > #UNKNOWN (org.apache.xml.dtm.ref.DTMNodeList) to a NodeList!
> >
> > In the docs for version 1_2_2_D7, in the description for DTM, it states:
> > "For the convenience of user-written extensions, a proxy mechanism
> presents
> > the contents of the DTM as a read-only subset of the DOM"
> >
> > How do I make use of this proxy? My error above suggests that this
> > conversion is not happening for me automatically. Any pointers? Or,
> should
> > I drop back to v 1_2_1?
> >
> > Bart Jenkins, CTO
> > Globeflow SA
> > Cardenal Marcelo Spinola 2, D1, Planta 6
> > 28016 Madrid, Spain
> > telephone: +34 667 65 10 75
> > mailto:[EMAIL PROTECTED]