RE: [xsl] Extending Java Classes in XSLT2

Subject: RE: [xsl] Extending Java Classes in XSLT2
From: "Michael Kay" <michael.h.kay@xxxxxxxxxxxx>
Date: Fri, 11 Oct 2002 10:17:46 +0100
A tip: using the -t and -T options in Saxon can sometimes give you
better information as to why extension functions are failing to load.

The most likely explanations are: the class is not on the classpath, the
class is not public, the class does not have a public zero-argument

Also note, if you invoke Saxon using the "java -jar saxon7.jar" method,
the classpath is effectively empty, so extension functions can only be
loaded using the <saxon:script archive="URL"> technique.

Michael Kay
Software AG
home: Michael.H.Kay@xxxxxxxxxxxx
work: Michael.Kay@xxxxxxxxxxxxxx 

> -----Original Message-----
> From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx 
> [mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of Kurt Cagle
> Sent: 10 October 2002 17:24
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: [xsl] Extending Java Classes in XSLT2
> I have a stupid question to ask, but after spending too many 
> hours last night unsuccessfully trying to do this, I'm 
> getting desperate. I'm using Michael Kay's Saxon 7.2 parser 
> and XSLT 2.0 -- overall, very sweet, by the way -- and I'm 
> trying to get a Java class that I wrote (JPanesque.class) to 
> load through the extension mechanism in XSLT 2. The problem 
> that I'm having is more Java related than XSL -- I know the 
> use of the namespaces designation to load in Java classes, 
> but those relate only to those classes that are specifically 
> in the Java API itself. If the JPanesque.class is in the same 
> directory as the XSLT, how would I get it to load into the
> environment:
> I've tried
> <xsl:stylesheet version="2.0"
>     xmlns:xsl=''
>     xmlns:jp ='java:JPanesque'>
> ....
>     <xsl:variable name="panel" select="jp:new()"/>
> But that generates an error indicating that the new() class 
> is not supported (and thus presumably that the class could 
> not be found).
> -- Kurt Cagle
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