Thnx. I guess some samples on the net could use an update.
Michel
On Fri, Dec 10, 2010 at 3:04 PM, Michael Kay <mike(_at_)saxonica(_dot_)com>
wrote:
In XSLT 2.0, a call to an unknown function is a static error even if the
call is never executed. You need to do the test in use-when, which operates
at compile time:
<xslt:template name="seed">
<xslt:value-of use-when="function-available('date:new') and
function-available('date:get-time')"
xmlns:date="java:java.util.Date"
select="date:get-time(date:new())"/>
<xslt:value-of use-when="not(function-available('date:new') and
function-available('date:get-time'))"
xmlns:date="java:java.util.Date"
select="seconds-from-duration(current-time() - xs:time('00:00:00'))"/>
</xslt:template>
Michael Kay
Saxonica
On 10/12/2010 12:38, Michel Hendriksen wrote:
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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