xsl:script with Java

<?xml version="1.0"?>
<xsl:stylesheet version="1.1"
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  xmlns:date="http://www.cafeconleche.org/ns/"
>

  <xsl:template match="/">
    <xsl:value-of select="date:new()"/>
  </xsl:template>

  <xsl:script
    implements-prefix="date"
    language="java"
    src="java:java.util.Date"
  />

</xsl:stylesheet>