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Ramachandra Dileep DANNAPANENISubject: Stripping of Empty Target Elements
Author: Ramachandra Dileep DANNAPANENI
Date: 29 Jan 2009 05:41 AM
Hi Team,

I have got a requirement, I need to Strip off (remove) Null tags from my ouput XML document.

My XSLT Mapping file

<?xml version='1.0' ?>
<xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

<xsl:template match="/">
<a:A2ACU>
<a:PartNo>
<xsl:value-of select="Specifications/Specification/PARTNO"/>
</a:PartNo>
<a:Revision>
<xsl:value-of select="Specifications/Specification/REVISION"/>
</a:Revision>
<a:ENERGY>
<xsl:for-each select="Specifications/Specification/Section">
<xsl:variable name="Sec_ID">
<xsl:value-of select="SECTIONID"/>
</xsl:variable>
<xsl:if test="$Sec_ID = '700015'">
<xsl:for-each select="Item">
<xsl:variable name="Item_ID">
<xsl:value-of select="ITEMID"/>
</xsl:variable>
<xsl:if test="$Item_ID = '701134'">
<xsl:for-each select="PropertyGroup/Property">
<xsl:variable name="Pro_ID">
<xsl:value-of select="PROPERTYID"/>
</xsl:variable>
<xsl:if test="$Pro_ID = '700232'">
<xsl:variable name="Atr_ID">
<xsl:value-of select="ATTRIBUTEID"/>
</xsl:variable>
<xsl:if test="$Atr_ID = '700064'">
<xsl:value-of select="STRING2"/>
</xsl:if>
</xsl:if>
</xsl:for-each>
</xsl:if>
</xsl:for-each>
</xsl:if>
</xsl:for-each>
</a:ENERGY>
</a:A2ACU>
</xsl:template>
</xsl:stylesheet>

If any one of the condition in ENRGY TAG FAILS it is giving a output as

- <A2ACU>
<PartNo>123456789</PartNo>
<Revision>2</Revision>
<ENERGY></ENERGY>
- </A2ACU>

But as per my new requirement I need to check the Empty value in all the tags and need to strip of them form final output ...like..

- <A2ACU>
<PartNo>123456789</PartNo>
<Revision>2</Revision>
- </A2ACU>

Can any one please suggest me whether any function is availble to this stripping

Thanks in Advance
Ram
Posttop
John BamptonSubject: Stripping of Empty Target Elements
Author: John Bampton
Date: 06 Feb 2009 08:22 AM
For quality XSL consulting email jbampton@gmail.com with XSL as the subject.

Based on this snippet of XML:

<?xml version="1.0" encoding="UTF-8"?>
<A2ACU>
<PartNo>123456789</PartNo>
<Revision>2</Revision>
<ENERGY/>
</A2ACU>

The solution is:

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="2.0">
<xsl:template match="/">
<A2ACU>
<xsl:if test="A2ACU/PartNo[node()]">
<PartNo>
<xsl:value-of select="A2ACU/PartNo/text()"></xsl:value-of>
</PartNo>
</xsl:if>
<xsl:if test="A2ACU/Revision[node()]">
<Revision>
<xsl:value-of select="A2ACU/Revision/text()"></xsl:value-of>
</Revision>
</xsl:if>
<xsl:if test="A2ACU/ENERGY[node()]">
<ENERGY>
<xsl:value-of select="A2ACU/ENERGY/text()"></xsl:value-of>
</ENERGY>
</xsl:if>
</A2ACU>
</xsl:template>
</xsl:stylesheet>

 
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