xalan with pull parser 2007-03-15 - By Santiago Pericas-Geertsen
On Mar 15, 2007, at 9:46 AM, keshlam@(protected) wrote:
> >Starting with the oldest method, one could use a DOM
> >builder I wrote a year ago or so, to get a DOM tree,
> >on which to operate.
>
> Not really recommended in this case. Xalan can run from a DOM, but
> that's mostly for use if you already have the DOM in memory; it's
> much less efficient than letting Xalan build its own "native" data
> model.
JAXP 1.4/JDK 6.0 has a new package called javax.xml.transform.stax,
in which you'll find a StAXSource class [1]. Note that internally
Xalan/XSLTC build a document model (DTM) from SAX events, so there's
a StAX -> SAX conversion when starting from a StAXSource. Thus,
depending on the parsers in question, there may be no performance
advantage in using a StAXSource.
-- Santiago
[1] http://java.sun.com/javase/6/docs/api/javax/xml/transform/stax/
StAXSource.html
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