[xsl] Saxon extension functions

Hi all,

New topic. I made an extension function which is working in SaxonB.
When porting this to SaxonHE, where it is not supported, I get an
error that a matching function cant be found. This is expected. But
I'm testing for support of this and that seems to pass. So how do I
test for existing support? See my code below.

<xslt:template name="seed">
        <!-- Works with SaxonB only! -->
        <xslt:choose>
                <xslt:when test="function-available('date:new') and
function-available('date:get-time')" xmlns:date="java:java.util.Date">
                        <xslt:variable name="date" select="date:new()"/>
                        <xslt:value-of select="date:get-time($date)"/>
                </xslt:when>
                <xslt:otherwise>
                        <!-- NOT random at all.....to be replaced by something 
else -->
                        <xslt:variable name="time" select="current-time()" />
                        <xslt:value-of select="seconds-from-time($time) + 60 *
minutes-from-time($time) + 3600 * hours-from-time($time)"/>
                </xslt:otherwise>
        </xslt:choose>
</xslt:template>

Error

Error at xslt:variable on line 64 column 52 of selector.xsl:
  XPST0017 XPath syntax error at char 0 on line 64 in {date:new()}:
    Cannot find a matching 0-argument function named
{java:java.util.Date}new(). Note that
  direct calls to Java methods are not available under Saxon-HE
Error at xslt:value-of on line 65 column 50 of selector.xsl:
  XPST0017 XPath syntax error at char 0 on line 65 in {date:get-time($date)}:
    Cannot find a matching 1-argument function named
{java:java.util.Date}get-time(). Note
  that direct calls to Java methods are not available under Saxon-HE

line 64/65 are

                        <xslt:variable name="date" select="date:new()"/>
                        <xslt:value-of select="date:get-time($date)"/>

So within test.

Michel Hendriksen
Kensas bv

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