Hmmm....

It has been a while, but last time we checked it out it had bugs-a-plenty when compared to something like Xalan for various XPath expressions.

Performance of recent Xalan versions (including that behind Java 5's built-in XPath implementation) sucks for many XPath use cases as they assume you're going to work a long time on each document without changing it, i.e. the XSLT use case. We therefore have to stick with Xalan 2.1.0 for such cases, but last I checked it still handled more XPath expressions correctly than JXPath, Jaxen, etc.

I'd love to see someone actually produce a highly standards compliant XPath library for Java that worked well against a "live" DOM, i.e. returned original DOM nodes and allowed changes to the DOM between XPath executions without penalty.

For all I know, Saxon may now provide this by implementing the new JAXP XPath stuff. For the longest time it was all but impossible to get "live", DOM nodes back from it's XPath API, but I assume that has changed. That leaves questions about the penalty for changing the DOM, of course.

Torsten Curdt wrote:
Over in cocoon land it is being used all over the place.
I think it rocks ...yepp

cheers
--
Torsten

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