XSLT Extension Functions

Hi all!
I recently entered the wonderful world of XSLT Extensions.  I'm converting
an XSL stylesheet from a Microsoft environment to a Java environment.  The
stylesheet has several extension functions defined such as this:

 <msxsl:script language="JScript" implements-prefix="local"><![CDATA[
                  function selectNodes(contextNodeList,path)
                  {
                    return contextNodeList.item(0).selectNodes(path);
        }
 ]]></msxsl:script>

As you can see, it's using Jscript and is called during the transformation
process using MSXML.

I converted the functions to Java methods such as this:

public NodeList selectNodes(NodeList contextNodeList,String path) {   
return XPathAPI.selectNodeList(contextNodeList.item(0), path);
}

This Java function is called during the transformation process using Xalan.
These functions are called from inside the XSL stylesheet like this:
<xsl:variable name="vRoot" select="/"/>
<xsl:value-of select="local:selectNodes($vRoot,'Xpath expression goes
here')"/>


My problem is this:
The node list that is passed into these functions seem to be of different
types depending on what transformer/function type is used.  The nodelist
that is passed into my Java function is a DTMNodeList which is a Xalan
class.  The nodelist that is passed into the Microsoft Jscript function is a
different, generic node list.
This difference in types is causing problems.  Does anybody know anything
about this???
Any help would be greatly appreciated.

Thanks!
 -Mike H.


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