Reading a multiple record types from a single File using BPEL file adapter

Hi all.
We have a requirement where we want to read a CSV file using the BPEl adapter.
Following is the sample of csv file
HDR,1,2,3
---- First transaction starts----
TH,1,2,3
RSD,1,1
RSD,1,1
TD,1
-------Second transaction starts---
TH,1,2,3
RSD,1,1
RSD,1,1
RSD,1,1
RSD,1,2
TD,1
TD,1
-------------Third Transaction starts---
TH,1,2,3
RSD,1,1
TD,1
TD,1
TD,1
TD,1
-------------Fourth Transaction starts---
TH,1,2,3
LN,1,1,1,1,2
-----End of File---
TAIL
I have modified the file with some comments to have some clear understanding.
Basically our file is a transactions file from legacy system & contains mutliple transactions
First line will be a Header record starting "HDR" & contains all summary details about the file.
After it is details of all transactions thorughout the day, each transaction begins with record starting "TH".As shown in all transactions above.EAch transaction can have other multiple records like the RSD & TD shown above.
Our need is to read each transaction from the file & create an instance.How can we configure BPEL to grab the data starting with TH till it encounter's another TH.
Please advise
Krunal

You can't use the wizard to create a schema if a file as complex as this. the good news is that you can create one yourself. What you need to do is create standard xsd that will handle your file, then what you do is add the terminators that determine when a field stops.
Here is an example, hopefully this provides you enough infor for you to make your own.
<?xml version="1.0" encoding="UTF-8" ?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:nxsd="http://xmlns.oracle.com/pcbpel/nxsd"
targetNamespace="http://Invoice"
xmlns:tns="http://Invoice"
elementFormDefault="qualified"
attributeFormDefault="unqualified"
nxsd:encoding="ASCII"
nxsd:stream="chars"
nxsd:version="NXSD">
<xsd:element name="Invoice">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="InvoiceHeader" nxsd:startsWith="000" maxOccurs="unbounded">
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="tns:InvoiceHeaderDetails" />
<xsd:element ref="tns:LineItem" nxsd:startsWith="001" maxOccurs="unbounded"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="InvoiceHeaderDetails">
<xsd:complexType>
<xsd:sequence nxsd:style="array" nxsd:arrayTerminatedBy="${eol}">
<xsd:element name="BusinessUnit" type="xsd:string" nxsd:style="fixedLength" nxsd:length="13" nxsd:paddedBy=" " nxsd:padStyle="tail"/>
<xsd:element name="InvoiceNo" type="xsd:string" nxsd:style="fixedLength" nxsd:length="16" nxsd:paddedBy=" " nxsd:padStyle="tail" />
<xsd:element name="InvoiceDate" type="xsd:string" nxsd:style="fixedLength" nxsd:length="15" nxsd:paddedBy=" " nxsd:padStyle="tail" />
<xsd:element name="VendorNo" type="xsd:string" nxsd:style="fixedLength" nxsd:length="29" nxsd:paddedBy=" " nxsd:padStyle="tail" />
<xsd:element name="OriginCode" type="xsd:string" nxsd:style="fixedLength" nxsd:length="3" nxsd:paddedBy=" " nxsd:padStyle="tail" />
<xsd:element name="OperatorID" type="xsd:string" nxsd:style="fixedLength" nxsd:length="8" nxsd:paddedBy=" " nxsd:padStyle="tail" />
<xsd:element name="LineCount" type="xsd:integer" nxsd:style="fixedLength" nxsd:length="34" nxsd:paddedBy=" " nxsd:padStyle="tail" />
<xsd:element name="GrossAmount" type="xsd:decimal" nxsd:style="fixedLength" nxsd:length="17" nxsd:paddedBy=" " nxsd:padStyle="tail" />
<xsd:element name="DiscountAmount" type="xsd:decimal" nxsd:style="fixedLength" nxsd:length="50" nxsd:paddedBy=" " nxsd:padStyle="tail" />
<xsd:element name="FreightAmount" type="xsd:decimal" nxsd:style="fixedLength" nxsd:length="93" nxsd:paddedBy=" " nxsd:padStyle="tail" />
<xsd:element name="TaxAmount" type="xsd:decimal" nxsd:style="fixedLength" nxsd:length="50" nxsd:paddedBy=" " nxsd:padStyle="tail" />
<xsd:element name="DiscountFlag" type="xsd:string" nxsd:style="fixedLength" nxsd:length="1" nxsd:paddedBy=" " nxsd:padStyle="tail" />
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="LineItem">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="LineItemDetails">
<xsd:complexType>
<xsd:sequence nxsd:style="array" nxsd:arrayTerminatedBy="${eol}">
<xsd:element name="BusinessUnit" type="xsd:string" nxsd:style="fixedLength" nxsd:length="13" nxsd:paddedBy=" " nxsd:padStyle="tail"/>
<xsd:element name="InvoiceLineNo" type="xsd:integer" nxsd:style="fixedLength" nxsd:length="5" nxsd:paddedBy=" " nxsd:padStyle="tail" />
<xsd:element name="DistributionCount" type="xsd:integer" nxsd:style="fixedLength" nxsd:length="5" nxsd:paddedBy=" " nxsd:padStyle="tail" />
<xsd:element name="BusinessUnitPO" type="xsd:string" nxsd:style="fixedLength" nxsd:length="5" nxsd:paddedBy=" " nxsd:padStyle="tail"/>
<xsd:element name="PONo" type="xsd:string" nxsd:style="fixedLength" nxsd:length="10" nxsd:paddedBy=" " nxsd:padStyle="tail"/>
<xsd:element name="POLineNo" type="xsd:integer" nxsd:style="fixedLength" nxsd:length="38" nxsd:paddedBy=" " nxsd:padStyle="tail"/>
<xsd:element name="InvoiceLineAmount" type="xsd:decimal" nxsd:style="fixedLength" nxsd:length="17" nxsd:paddedBy=" " nxsd:padStyle="tail"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element ref="tns:Distribution" nxsd:startsWith="002" maxOccurs="unbounded"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="Distribution">
<xsd:complexType>
<xsd:sequence nxsd:style="array" nxsd:arrayTerminatedBy="${eol}">
<xsd:element name="BusinessUnit" type="xsd:string" nxsd:style="fixedLength" nxsd:length="13" nxsd:paddedBy=" " nxsd:padStyle="tail"/>
<xsd:element name="InvoiceLineNo" type="xsd:integer" nxsd:style="fixedLength" nxsd:length="5" nxsd:paddedBy=" " nxsd:padStyle="tail" />
<xsd:element name="DistributionLineNo" type="xsd:integer" nxsd:style="fixedLength" nxsd:length="10" nxsd:paddedBy=" " nxsd:padStyle="tail" />
<xsd:element name="GLAccountCode" type="xsd:string" nxsd:style="fixedLength" nxsd:length="84" nxsd:paddedBy=" " nxsd:padStyle="tail"/>
<xsd:element name="DistributionAmount" type="xsd:decimal" nxsd:style="fixedLength" nxsd:length="162" nxsd:paddedBy=" " nxsd:padStyle="tail" />
<xsd:element name="DistributionTaxAmount" type="xsd:decimal" nxsd:style="fixedLength" nxsd:length="62" nxsd:paddedBy=" " nxsd:padStyle="tail" />
<xsd:element name="GLDepartmentCode" type="xsd:string" nxsd:style="fixedLength" nxsd:length="10" nxsd:paddedBy=" " nxsd:padStyle="tail"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
</xsd:schema>
cheers
James

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