How to map a complex XML message onto a flattened XSD for multi line insert

Hi Experts.
I have a webservice in my composite that takes an xml message that contains repeating complex type elements. The XSD is as follows:
<?xml version= '1.0' encoding= 'UTF-8' ?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:XxInt003Stg="http://www.somewhere.co.uk/xxx/integration/int003Stage"
targetNamespace="http://www.somewhere.co.uk/xxx/integration/int003Stage" elementFormDefault="qualified">
<xsd:complexType name="InterfaceFileType">
<xsd:sequence>
<xsd:element name="FileName" type="xsd:string"/>
<xsd:element name="FileSource" type="xsd:string"/>
<xsd:element name="FileIdentifier" type="xsd:integer"/>
<xsd:element name="InterfaceInvoices" type="XxInt003Stg:InterfaceInvoicesType"/>
</xsd:sequence>
</xsd:complexType>
<xsd:complexType name="InterfaceInvoicesType">
<xsd:sequence>
<xsd:element name="InterfaceInvoice" type="XxInt003Stg:InterfaceInvoiceType"
maxOccurs="unbounded"/>
</xsd:sequence>
</xsd:complexType>
<xsd:complexType name="InterfaceInvoiceType">
<xsd:sequence>
<xsd:element name="SupplierNumber" type="xsd:string"/>
<xsd:element name="SupplierSite" type="xsd:string"/>
<xsd:element name="InvoiceNumber" type="xsd:string"/>
<xsd:element name="InterfaceInvoiceLines">
<xsd:complexType>
<xsd:complexContent>
<xsd:extension base="XxInt003Stg:InterfaceInvoiceLinesType">
<xsd:sequence>
<xsd:element name="InterfaceInvoiceLine"
type="XxInt003Stg:InterfaceInvoiceLineType"
maxOccurs="unbounded"/>
</xsd:sequence>
</xsd:extension>
</xsd:complexContent>
</xsd:complexType>
</xsd:element>
</xsd:sequence>
</xsd:complexType>
<xsd:complexType name="InterfaceInvoiceLinesType"/>
<xsd:complexType name="InterfaceInvoiceLineType">
<xsd:sequence>
<xsd:element name="LineAmount" type="xsd:decimal" nillable="false"/>
<xsd:element name="TaxAmount" type="xsd:decimal"/>
<xsd:element name="BusinessEntityReference" type="xsd:string"/>
<xsd:element name="AccountNumber" type="xsd:string"/>
</xsd:sequence>
</xsd:complexType>
<xsd:element name="InterfacePayload">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="InterfaceFiles" type="XxInt003Stg:InterfaceFileType"
maxOccurs="unbounded"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
</xsd:schema>
When I try to push this through the database adapter after mapping the fields it inserts multiple rows but they are all the same values. I have put a for-each XSLT construct based on the lowest element in the XSD (Invoice Line) and allocated that at various places on the target tree structure but with no success.
The XSLT is as follows:
<xsl:template match="/">
<top:XxInt003InterfaceInvoiceStgCollection>
<top:XxInt003InterfaceInvoiceStg>
<top:fileName>
<xsl:value-of select="/inp1:InterfacePayload/inp1:InterfaceFiles/inp1:FileName"/>
</top:fileName>
<top:fileSource>
<xsl:value-of select="/inp1:InterfacePayload/inp1:InterfaceFiles/inp1:FileSource"/>
</top:fileSource>
<top:fileIdentifier>
<xsl:value-of select="/inp1:InterfacePayload/inp1:InterfaceFiles/inp1:FileIdentifier"/>
</top:fileIdentifier>
<top:supplierNumber>
<xsl:value-of select="/inp1:InterfacePayload/inp1:InterfaceFiles/inp1:InterfaceInvoices/inp1:InterfaceInvoice/inp1:SupplierNumber"/>
</top:supplierNumber>
<top:supplierSite>
<xsl:value-of select="/inp1:InterfacePayload/inp1:InterfaceFiles/inp1:InterfaceInvoices/inp1:InterfaceInvoice/inp1:SupplierSite"/>
</top:supplierSite>
<top:invoiceNumber>
<xsl:value-of select="/inp1:InterfacePayload/inp1:InterfaceFiles/inp1:InterfaceInvoices/inp1:InterfaceInvoice/inp1:InvoiceNumber"/>
</top:invoiceNumber>
<xsl:for-each select="/inp1:InterfacePayload/inp1:InterfaceFiles/inp1:InterfaceInvoices/inp1:InterfaceInvoice/inp1:InterfaceInvoiceLines/inp1:InterfaceInvoiceLine">
<top:lineAmount>
<xsl:value-of select="/inp1:InterfacePayload/inp1:InterfaceFiles/inp1:InterfaceInvoices/inp1:InterfaceInvoice/inp1:InterfaceInvoiceLines/inp1:InterfaceInvoiceLine/inp1:LineAmount"/>
</top:lineAmount>
</xsl:for-each>
<top:taxAmount>
<xsl:value-of select="/inp1:InterfacePayload/inp1:InterfaceFiles/inp1:InterfaceInvoices/inp1:InterfaceInvoice/inp1:InterfaceInvoiceLines/inp1:InterfaceInvoiceLine/inp1:TaxAmount"/>
</top:taxAmount>
<top:businessEntityReference>
<xsl:value-of select="/inp1:InterfacePayload/inp1:InterfaceFiles/inp1:InterfaceInvoices/inp1:InterfaceInvoice/inp1:InterfaceInvoiceLines/inp1:InterfaceInvoiceLine/inp1:BusinessEntityReference"/>
</top:businessEntityReference>
<top:accountNumber>
<xsl:value-of select="/inp1:InterfacePayload/inp1:InterfaceFiles/inp1:InterfaceInvoices/inp1:InterfaceInvoice/inp1:InterfaceInvoiceLines/inp1:InterfaceInvoiceLine/inp1:AccountNumber"/>
</top:accountNumber>
</top:XxInt003InterfaceInvoiceStg>
</top:XxInt003InterfaceInvoiceStgCollection>
</xsl:template>
I am sure this is just something fundemantal I am doing, is it something to do with the inp1 bit of the XSLT? I get the feeling this should be looping somehow?
Thanks
Keith

Hi,
as I understand you try to transform 'InterfacePayload' (your XSD - just easier to read here)
InterfacePayload (1:1)
-- InterfaceFiles (1:N)
---- FileName (1:1)
---- FileSource (1:1)
---- FileIdentifier (1:1)
---- InterfaceInvoices (1:1)
------ InterfaceInvoice (1:N)
-------- SupplierNumber (1:1)
-------- SupplierSite (1:1)
-------- InvoiceNumber (1:1)
-------- InterfaceInvoiceLines (1:1)
---------- InterfaceInvoiceLine (1:N)
------------ LineAmount (1:1)
------------ TaxAmount (1:1)
------------ BusinessEntityReference (1:1)
------------ AccountNumber (1:1)
to 'XxInt003InterfaceInvoiceStgCollection' (extracted from your XSLT)
XxInt003InterfaceInvoiceStgCollection (1:1)
-- XxInt003InterfaceInvoiceStg (1:1)
---- fileName (1:1)
---- fileSource (1:1)
---- fileIdentifier (1:1)
---- supplierNumber (1:1)
---- supplierSite (1:1)
---- invoiceNumber (1:1)
---- lineAmount (1:N)
---- taxAmount (1:1)
---- businessEntityReference (1:1)
---- accountNumber (1:1)
In the 'xsl:for-each' construct
+<xsl:for-each select="/inp1:InterfacePayload/inp1:InterfaceFiles/inp1:InterfaceInvoices/inp1:InterfaceInvoice/inp1:InterfaceInvoiceLines/inp1:InterfaceInvoiceLine">+
+<top:lineAmount>+
+<xsl:value-of select="/inp1:InterfacePayload/inp1:InterfaceFiles/inp1:InterfaceInvoices/inp1:InterfaceInvoice/inp1:InterfaceInvoiceLines/inp1:InterfaceInvoiceLine/inp1:LineAmount" />+
+</top:lineAmount>+
+</xsl:for-each>+
- you are asking to iterate through all available 'inp1:InterfaceInvoiceLine' elements in the input XML document
- the value of the element 'top:lineAmount' (for each iteration) is being calculated as all values of available 'inp1:LineAmount' elements in the input XML document together
So, if you have ... lets say
- 4x 'inp1:InterfaceInvoiceLine' element in the input XML document, each containing one 'inp1:LineAmount' element ... with values {1, 2, 3, 4} respectively
- the output will be something like this
<top:lineAmount>1234</top:lineAmount>
<top:lineAmount>1234</top:lineAmount>
<top:lineAmount>1234</top:lineAmount>
<top:lineAmount>1234</top:lineAmount>
Why are you always querying from +/inp1:InterfacePayload/inp1:InterfaceFiles/...+ ?
I think ... all Xpath queries in your XSLT are wrong (they query something else than you think).
e.g.
- putting all file names together into one element (+/inp1:InterfacePayload/inp1:InterfaceFiles/inp1:FileName+)
- putting all file sources together into one element (+/inp1:InterfacePayload/inp1:InterfaceFiles/inp1:FileSource+)
- putting all invoice numbers together into one element (+/inp1:InterfacePayload/inp1:InterfaceFiles/inp1:InterfaceInvoices/inp1:InterfaceInvoice/inp1:InvoiceNumber+)
Best regards,
Martin.

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