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  Subject: For extension function, could not find method java.lang.String.FctDateDuration([ExpressionContext,] #STRING).
Author: imesh Damith
Date: 12 Jan 2011 06:02 AM
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I am using Xalan to parse my xsl. I get above error. This xsl is working fine in vb.net. But gives errors in xalan . I have changed its vb function to javascript function. here is the code snippet from the xsl.
here is my root tag : <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxsl="urn:schemas-microsoft-com:xslt" xmlns:ttVB="ttVB" exclude-result-prefixes="msxsl ttVB" version="1.0">
Below is the calling part of javascript.
<xsl:variable name="start">
<xsl:value-of select="substring(DepartureDateTime,1,10)"/>
</xsl:variable>
<xsl:variable name="end">
<xsl:value-of select="substring(following-sibling::OriginDestinationInformation/DepartureDateTime,1,10)"/>
</xsl:variable>
<xsl:variable name="end1">
<xsl:value-of select="substring(preceding-sibling::OriginDestinationInformation/DepartureDateTime,1,10)"/>
</xsl:variable>
<xsl:variable name="dd" select="ttVB:FctDateDuration(string($start),string($end))"/>
<xsl:variable name="dd1" select="ttVB:FctDateDuration(string($start),string($end1))"/>
<xsl:choose>
<xsl:when test="$dd = 0 or $dd = 1">
<timeQualifier>TA</timeQualifier>
</xsl:when>
<xsl:otherwise>
<timeQualifier>TD</timeQualifier>
</xsl:otherwise>
and I have converted the visual basic code to javascript function.
Below is the that function in Java script
<msxsl:script language="JavaScript" implements-prefix="ttVB">
<![CDATA[
function FctDateDuration(p_startDate,p_endDate){
if (IsDate(p_startDate) && IsDate(p_endDate)){
FctDateDuration = String(calcDays(p_startDate, p_endDate))
}else{
FctDateDuration = p_startDate + p_endDate
}
return FctDateDuration;
}
function IsDate(ddate){
//"Inside IsDate >> "+ddate);
var dteDate;
var year = ddate.substring(0, 4);
var month = ddate.substring(5, 7);
var day = ddate.substring(8,10);
month = month-1;
//year);
//month);
//day);
dteDate=new Date(year,month,day);
return ((day==dteDate.getDate()) && (month==dteDate.getMonth()) && (year==dteDate.getFullYear()));
}
function calcDays(date1,date2){
date1 = date1.split("-");
date2 = date2.split("-");
var sDate = new Date(date1[0]+"/"+date1[1]+"/"+date1[2]);
var eDate = new Date(date2[0]+"/"+date2[1]+"/"+date2[2]);
var daysApart = Math.abs(Math.round((sDate-eDate)/86400000));
//document.getElementById('diffDays').lastChild.data = daysApart;
//daysApart);
return daysApart;
]]>
</msxsl:script>
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