Mask FpML with xslt Identity Transform

This script will copy a FpML xml file and match and transform the fpml:tradeid to add the current date to the node value.

<xsl:stylesheet version="2.0" 
xmlns:xsl="http://www.w3.org/1999/XSL/Transform" 
xmlns:xs="http://www.w3.org/2001/XMLSchema" 
xmlns:fn="http://www.w3.org/2005/xpath-functions"
xmlns:fpml="http://www.fpml.org/2008/FpML-4-5"
xmlns:party="urn:party:data"
xmlns:kc="http://www.caulfieldfamily.co.uk">

<!--K Caulfield, Sep 2018
	Stylesheet to transform FpML XML messages into FpML XML messages with the trade id details prefixed to make then unique for repeated testing -->

	<xsl:output method="xml" encoding="UTF-8" indent="yes"/>
	<xsl:strip-space elements="*"/>


<!-- define the prefix we want to use for setting up a text cycyle -->
<!--<xsl:variable name="trade_prefix" select="'20180925_01_'" />-->
<xsl:variable name="trade_prefix" select="concat(fn:format-date(fn:current-date(),'[Y0001][M01][D01]'),'_','01','_')" />
	
	
<!-- Identity Transform -->
<xsl:template match="@* | node()">
    <xsl:copy>
      <xsl:apply-templates select="@* | node()"/>
    </xsl:copy>
</xsl:template>

<xsl:template match="//fpml:tradeHeader/fpml:partyTradeIdentifier/fpml:tradeId[../fpml:partyReference/@href='party1']/text()">
	<xsl:call-template name="kc:prefix"><xsl:with-param name="nodeVal" select="." /></xsl:call-template>
</xsl:template>

<xsl:template name="kc:prefix">
	<xsl:param name="nodeVal" />
		<xsl:value-of select="concat($trade_prefix,$nodeVal)" />
</xsl:template>

</xsl:stylesheet>

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