XSL code to rename the prefix without disturbing the attributes - xslt

Question

I have given below the XSL codes i have tried and the part of input and output codes.If I use XSL1 to rename the namespace prefix values in the xml tags , unfortunately it collapses the attribute values and if I use XSL2 attributes are getting created a separate nodes. Can someone pls help to write an XSL to rename the prefixes but to keep the attributes in the same node.
XSL 1:​
<xsl:output method="xml" encoding="UTF-8" indent="yes"/>
<xsl:strip-space elements="*"/>
<xsl:template match="/">
<xsl:copy>
<xsl:apply-templates select="#* | node()"/>
</xsl:copy>
</xsl:template>
<xsl:template match="ns0:*">
<xsl:element name="ubl:{local-name()}" namespace="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2">
<xsl:apply-templates select="#* | node()"/>
</xsl:element>
</xsl:template>
XSL2:
<xsl:output method="xml" encoding="UTF-8" indent="yes"/>
<xsl:strip-space elements="*"/>
<xsl:template match="/">
<xsl:copy>
<xsl:apply-templates select="#* | node()"/>
</xsl:copy></xsl:template>
<xsl:template match="#*">
<xsl:element name="{name()}">
<xsl:value-of select="."/>
</xsl:element>
</xsl:template>
<xsl:template match="ns0:*">
<xsl:element name="ubl:{local-name()}" namespace="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2">
<xsl:apply-templates select="#* | node()"/>
</xsl:element>
</xsl:template>
Input:
<ns5:LegalMonetaryTotal>
<ns2:LineExtensionAmount currencyID="EUR">35.38</ns2:LineExtensionAmount>
<ns2:TaxExclusiveAmount currencyID="EUR">35.38</ns2:TaxExclusiveAmount>
<ns2:TaxInclusiveAmount currencyID="EUR">37.5</ns2:TaxInclusiveAmount>
<ns2:PrepaidAmount currencyID="EUR">37.5</ns2:PrepaidAmount>
<ns2:PayableAmount currencyID="EUR">0.00</ns2:PayableAmount>
</ns5:LegalMonetaryTotal>
Output1:
<cac:LegalMonetaryTotal >
<cbc:LineExtensionAmount >EUR35.38</cbc:LineExtensionAmount>
<cbc:TaxExclusiveAmount >EUR35.38</cbc:TaxExclusiveAmount>
<cbc:TaxInclusiveAmount >EUR37.5</cbc:TaxInclusiveAmount>
<cbc:PrepaidAmount >EUR37.5</cbc:PrepaidAmount>
<cbc:PayableAmount >EUR0.00</cbc:PayableAmount>
</cac:LegalMonetaryTotal>
Output2:
<cac:LegalMonetaryTotal >
<cbc:LineExtensionAmount >
<currencyID>EUR</currencyID>
35.38
</cbc:LineExtensionAmount>
<cbc:TaxExclusiveAmount >
<currencyID>EUR</currencyID>
35.38
</cbc:TaxExclusiveAmount>
<cbc:TaxInclusiveAmount >
<currencyID>EUR</currencyID>
37.5
</cbc:TaxInclusiveAmount>
<cbc:PrepaidAmount >
<currencyID>EUR</currencyID>
37.5
</cbc:PrepaidAmount>
<cbc:PayableAmount>
<currencyID>EUR</currencyID>
0.00
</cbc:PayableAmount>
</cac:LegalMonetaryTotal>
But Expected output is: I have tried multiple options guys. Please help me to get the below format.
<cbc:LegalMonetaryTotal>
<cac:LineExtensionAmount currencyID="EUR">35.38</cac:LineExtensionAmount>
<cac:TaxExclusiveAmount currencyID="EUR">35.38</cac:TaxExclusiveAmount>
<cac:TaxInclusiveAmount currencyID="EUR">37.5</cac:TaxInclusiveAmount>
<cac:PrepaidAmount currencyID="EUR">37.5</cac:PrepaidAmount>
<cac:PayableAmount currencyID="EUR">0.00</cac:PayableAmount>
</cbc:LegalMonetaryTotal>
Regards,
Indu

Answer 1

The reason why your first stylesheet does not output any attributes is that you have no template that handles attributes. Therefore, the instruction:
<xsl:apply-templates select="#* | node()"/>
does not do anything for attributes.
Try changing your first template:
<xsl:template match="/">
<xsl:copy>
<xsl:apply-templates select="#* | node()"/>
</xsl:copy>
</xsl:template>
to the standard identity transform template:
<xsl:template match="#*|node()">
<xsl:copy>
<xsl:apply-templates select="#*|node()"/>
</xsl:copy>
</xsl:template>
That will probably make it work. I say probably, because your stylesheet does not fit your input nor the expected output. Your stylesheet looks for:
<xsl:template match="ns0:*">
but your input has no elements with a ns0 prefix. And your stylesheet outputs a ubl prefix, while your expected output uses cbc and cac prefixes. And - as already mentioned in the comments to your question - all these prefixes need to be bound to namespaces in order for the input and the input to be well-formed XML documents.