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RE: xsl:if to find the existence of an element

• To: "'Vanam, Ravindar'" <Ravindar.Vanam@n...>,<xml-dev@l...>
• Subject: RE: xsl:if to find the existence of an element
• From: "Michael Kay" <michael.h.kay@n...>
• Date: Wed, 10 Apr 2002 18:37:16 +0100
• Importance: Normal
• In-reply-to: <5B1B6F771134D511A81F00508BCFE7F0CEB599@m...>
• Reply-to: <michael.h.kay@n...>

In the template rule for <SendTaxRequest>,

<element name="TaxOutOfCountryFlag" type="ebsidicString" totalDigits="1"
<xsl:attribute name="value">
  <xsl:choose>
  <xsl:when test="TaxOutOfCountryFlag">Y</xsl:when>
  <xsl:otherwise>N</xsl:otherwise>
  </xsl:choose>
</xsl:attribute>
</element>

Or in XSLT 2.0 / XPath 2.0

<element name="TaxOutOfCountryFlag" type="ebsidicString" totalDigits="1"
value="{if (TaxOutOfCountryFlag) then 'Y' else 'N'}"/>

Incidentally, EBCDIC is usually spelt EBCDIC....

Michael Kay
Software AG
home: Michael.H.Kay@n...
work: Michael.Kay@s... 

> -----Original Message-----
> From: Vanam, Ravindar [mailto:Ravindar.Vanam@n...]
> Sent: 10 April 2002 17:33
> To: xml-dev@l...
> Subject:  xsl:if to find the existence of an element
> 
> 
> Hi All,
> 
> Good Morning.
> 
> I am facing a problem in finding a way to solve the following problem.
> 
> Problem Description:
> -----------------------
> I have an optional tag with no value associated in the XML 
> document. Only the existence & non existence of the tag matters
> E.g: 
> <?xml version="1.0" encoding="UTF-8"?>
> <SendTaxRequest>
> 	<TransactionNumber>12345</TransactionNumber>
> 	<BusinessDayDate>20020106</BusinessDayDate>
> 	<TaxOutOfCountryFlag/>
> </SendTaxRequest>
> 
> The Tag "TaxOutOfCountryFlag" is an optional tag.
> 
> The requirement is that I have to transform the above XML 
> document to another XML document considering the existence of 
> the optional field "TaxOutOfCountryFlag". like following..
> 
> 1. If "TaxOutOfCountryFlag" element exists the result should be....
> <?xml version="1.0"?>
> <SendTaxRequest>
> 	<element name="TransactionIdentifier" 
> type="ebsidicString" totalDigits="4" value="TX03"/>
> 	<element name="BusinessDayDate" type="date" 
> totalDigits="8" value="20020106"/>
> 	<element name="TaxOutOfCountryFlag" 
> type="ebsidicString" totalDigits="1" value="Y"/>
> </SendTaxRequest>
> 
> 2. If "TaxOutOfCountryFlag" element does not exist the result 
> should be....
> <?xml version="1.0"?>
> <SendTaxRequest>
> 	<element name="TransactionIdentifier" 
> type="ebsidicString" totalDigits="4" value="TX03"/>
> 	<element name="BusinessDayDate" type="date" 
> totalDigits="8" value="20020106"/>
> 	<element name="TaxOutOfCountryFlag" 
> type="ebsidicString" totalDigits="1" value="N"/>
> </SendTaxRequest>
> 
> Note: the "value" attribute of "TaxOutOfCountryFlag" is changing.
> 
> Please suggest me how can I accomplish this problem. Any help 
> is greatly appreciated.
> 
> Thanks,
> Ravi
> 
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• References:
  • xsl:if to find the existence of an element
    • From: "Vanam, Ravindar" <Ravindar.Vanam@n...>

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