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[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Error recovery from casting in XSLT 2.0
 I'm new to XSLT 2.0 and have a question about recovering from casting errors, say for instance I'm trying to cast to a date, I'd do something like - <xsl:function name="f:castToDate" as="xs:date"> <xsl:param name="date-string" as="xs:string" /> <xsl:sequence select="if ($date-string castable as xs:date) then xs:date($date-string) else if ($date-string castable as xs:dateTime) then xs:date(substring-before($date-string,'T')) else()" /> </xsl:function> What I'm wondering is how do I raise some kind of error in the final else() if the function gets passed something it can't cast? e.g. <xsl:function name="f:castToDate" as="xs:date"> <xsl:param name="date-string" as="xs:string" /> <xsl:sequence select="if ($date-string castable as xs:date) then xs:date($date-string) else if ($date-string castable as xs:dateTime) then xs:date(substring-before($date-string,'T')) else("NASTY ERROR CAN'T BE RETURNED BECAUSE I'M A DATE")" /> </xsl:function> Or do I have to write another wrapper function? I'm only a few hundred pages into the first of Mr Kay's books so forgive me if this is a bit basic. Cheers, Fraser 
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