XOM API for Processing XML with Java

[Alex Bleasdale <rhodlite78 AT yahoo.co.uk>]

Hi Michael,

Thanks very much for getting back to me regarding my post last Friday. 

In case anyone else is reading this and is interested, the last 'known' 
release (1.6) of Nux complete with source is still available here:

http://openbsd.mirrors.tds.net/pub/FreeBSD/distfiles/nux-1.6.tar.gz

In order to make the transformer pooling test work, I used the xom jar in the 
Nux archive and the NoSuchMethodError went away.   So far it seems to work 
with the latest version of saxon - although I've not tested this extensively.

I hope this information is useful to someone else - and thanks once again for 
your help.

Best,
A






----- Original Message ----
From: Michael Kay <mike AT saxonica.com>
To: XOM API for Processing XML with Java <xom-interest AT lists.ibiblio.org>
Sent: Fri, 26 March, 2010 17:55:13
Subject: Re: [XOM-interest] Brief question regarding using Nux and XSL 
TransformPooling


I don't know the answer I'm afraid - haven't heard anything from Wolfgang
for a while. But the "NoSuchMethodError" tends to suggest that A is calling
B, and A was compiled with a different version of B from the one available
at run-time.

I think Nux makes some fairly low-level of Saxon interfaces, so it would be
a mistake to assume it will work with a later version of Saxon than the one
it was compiled against.


> 
> First and foremost, the link to the binary (or the source) 
> doesn't seem to be working for me :(
> 
> http://acs.lbl.gov/software/nux/nux-download/

Me neither. This is the great benefit of publishing somewhere like
SourceForge - it's rather more likely to stay around (though nothing is
certain, of course).

I found an unzipped copy on my disk, I've zipped it up and uploaded it to

http://www.saxonica.com/download/nux.rar

I'm afraid I have no idea what state this is in, whether it's the latest
version, complete, etc: but it does include source, and if you want to try
and rebuild from it, you're welcome (as far as I'm concerned, anyway!).

Regards,

Michael Kay
http://www.saxonica.com/
http://twitter.com/michaelhkay 


> 
> I eventually managed to find a jar elsewhere 
> (http://ftp.freepark.org/pub/freebsd/ports/i386/packages-7.2-r
> elease/java/) although none of the sources were available for 
> the project.  Would anyone on this list know whether they are 
> likely to be made available again?
> 
> >From looking at the Nux 1.6 JavaDoc api, I put a fairly 
> simple transform to the test to see whether it would work, so 
> I've got something like this:
> 
>         System.setProperty("javax.xml.transform.TransformerFactory",
>                 "net.sf.saxon.TransformerFactoryImpl");
> 
>         XSLTransform trans = XSLTransformPool.GLOBAL_POOL
>                 .getTransform(new File("xsl.xsl"));
>         Document doc = 
> BuilderPool.GLOBAL_POOL.getBuilder(false).build(
>                 new File("xml.xml"));
>         Nodes nodes = trans.transform(doc);
>         for (int i = 0; i < nodes.size(); i++) {
>             System.out.println("node " + i + ": " + 
> nodes.get(i).toXML());
>         }
> 
> Which yields something like this:
> 
> Exception in thread "main" java.lang.NoSuchMethodError: 
> nu.xom.xslt.XSLTransform.<init>(Lnu/xom/Document;Lnu/xom/NodeF
> actory;Ljavax/xml/transform/TransformerFactory;)V
>     at 
> nux.xom.pool.XSLTransformFactory.newTransform(XSLTransformFact
> ory.java:220)
>     at 
> nux.xom.pool.XSLTransformFactory.createTransform(XSLTransformF
> actory.java:163)
>     at 
> nux.xom.pool.XSLTransformFactory.createTransform(XSLTransformF
> actory.java:180)
>     at 
> nux.xom.pool.XSLTransformPool.getTransform(XSLTransformPool.java:170)
>     at com.TestXsLTransformPool.main(TestXsLTransformPool.java:34)
> 
> As I don't have access to the source, I'm not really able to 
> pinpoint with any detail where things are going wrong so I 
> was wondering whether anyone had used the TransformPool 
> successfully in a recent project and whether they could offer 
> me some pointers?
> 
> I'm using the latest versions of xom and saxon although I've 
> noticed that Nux hasn't been under development for a while 
> (version 1.6 was released back in June 2006).  I'm wondering 
> whether the project was still under development and secondly, 
> if it isn't - does anyone know a good way to pool 
> transformers instead?  Is this something that xom does now?
> 
> Thanks very much in advance.
> A
> 
> 
> 
>      
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