Converting Issue when converting an XML to a Ballerina record that includes Enums

[KATTA-00]

Description

When converting an XML to a Ballerina record, if there is an enum in the record there area compiled time error.

Code:

@test:Config {}
function testTransformPain008DocumentToMT104() returns error? {
    xml documentXML = xml `
        <Pain008Document>
            <CstmrDrctDbtInitn>
                <GrpHdr>
                    <MsgId>EXAMPLE123456</MsgId>
                    <CreDtTm>2024-11-06T09:30:00Z</CreDtTm>
                    <NbOfTxs>2</NbOfTxs>
                    <CtrlSum>1500.00</CtrlSum>
                    <InitgPty>
                        <Nm>ABC Corporation</Nm>
                        <Id>
                            <OrgId>
                                <AnyBIC>ABCDEF12</AnyBIC>
                            </OrgId>
                        </Id>
                    </InitgPty>
                </GrpHdr>
                <PmtInf>
                    <PmtInfId>PMT20241106</PmtInfId>
                    **<PmtMtd>DD</PmtMtd>**
                    <BtchBookg>true</BtchBookg>
                    <NbOfTxs>2</NbOfTxs>
                    <CtrlSum>1500.00</CtrlSum>
                    <PmtTpInf>
                        <InstrPrty>NORM</InstrPrty>
                        <SvcLvl>
                            <Cd>SEPA</Cd>
                        </SvcLvl>
                    </PmtTpInf>
                    <ReqdColltnDt>2024-11-07</ReqdColltnDt>
                    <Cdtr>
                        <Nm>XYZ Ltd</Nm>
                        <PstlAdr>
                            <Ctry>DE</Ctry>
                            <AdrLine>123 Main Street</AdrLine>
                        </PstlAdr>
                    </Cdtr>
                    <CdtrAcct>
                        <Id>
                            <IBAN>DE89370400440532013000</IBAN>
                        </Id>
                    </CdtrAcct>
                    <CdtrAgt>
                        <FinInstnId>
                            <BICFI>DEUTDEFF</BICFI>
                        </FinInstnId>
                    </CdtrAgt>
                    <ChrgBr>SLEV</ChrgBr>
                    <DrctDbtTxInf>
                        <PmtId>
                            <InstrId>INSTR12345</InstrId>
                            <EndToEndId>ETOE12345</EndToEndId>
                        </PmtId>
                        <InstdAmt Ccy="EUR">1000.00</InstdAmt>
                        <DrctDbtTx>
                            <MndtRltdInf>
                                <MndtId>MANDATE123</MndtId>
                                <DtOfSgntr>2024-01-01</DtOfSgntr>
                            </MndtRltdInf>
                        </DrctDbtTx>
                        <DbtrAgt>
                            <FinInstnId>
                                <BICFI>DEUTDEBB</BICFI>
                            </FinInstnId>
                        </DbtrAgt>
                        <Dbtr>
                            <Nm>John Doe</Nm>
                            <PstlAdr>
                                <Ctry>DE</Ctry>
                                <AdrLine>456 Sample Avenue</AdrLine>
                            </PstlAdr>
                        </Dbtr>
                        <DbtrAcct>
                            <Id>
                                <IBAN>DE62370400440532013001</IBAN>
                            </Id>
                        </DbtrAcct>
                        <RmtInf>
                            <Ustrd>Invoice 12345</Ustrd>
                        </RmtInf>
                    </DrctDbtTxInf>
                    <DrctDbtTxInf>
                        <PmtId>
                            <InstrId>INSTR67890</InstrId>
                            <EndToEndId>ETOE67890</EndToEndId>
                        </PmtId>
                        <InstdAmt Ccy="EUR">500.00</InstdAmt>
                        <DrctDbtTx>
                            <MndtRltdInf>
                                <MndtId>MANDATE678</MndtId>
                                <DtOfSgntr>2024-05-15</DtOfSgntr>
                            </MndtRltdInf>
                        </DrctDbtTx>
                        <DbtrAgt>
                            <FinInstnId>
                                <BICFI>DEUTDEBB</BICFI>
                            </FinInstnId>
                        </DbtrAgt>
                        <Dbtr>
                            <Nm>Jane Smith</Nm>
                            <PstlAdr>
                                <Ctry>DE</Ctry>
                                <AdrLine>789 Test Blvd</AdrLine>
                            </PstlAdr>
                        </Dbtr>
                        <DbtrAcct>
                            <Id>
                                <IBAN>DE89370400440532013002</IBAN>
                            </Id>
                        </DbtrAcct>
                        <RmtInf>
                            <Ustrd>Invoice 67890</Ustrd>
                        </RmtInf>
                    </DrctDbtTxInf>
                </PmtInf>
            </CstmrDrctDbtInitn>
        </Pain008Document>
        `;
    painIsoRecord:Pain008Document pain008Message = <painIsoRecord:Pain008Document>(check swiftmx:fromIso20022(documentXML, painIsoRecord:Pain008Document));
}

Error:

error {ballerina/data.xmldata:1}Error ("'string' value 'DD' cannot be converted to 'ballerinax/financial.iso20022.payment_initiation:1:PaymentMethod2Code'")
                                callableName: parseAsType moduleName: ballerina.data.xmldata.1 fileName: xml_api.bal lineNumber: 86
                                callableName: fromIso20022 moduleName: ballerinax.financial.iso20022.1 fileName: parser.bal lineNumber: 13
                                callableName: testTransformPain008DocumentToMT104$lambda6$ moduleName: ballerinax.financial.ISO20022ToSwiftMT$test.0.tests.test_execute-generated_1 fileName: tests/test_execute-generated_1.bal lineNumber: 10

Steps to Reproduce

import ballerina/test;
import ballerinax/financial.iso20022 as swiftmx;
import ballerinax/financial.iso20022.payment_initiation as painIsoRecord;
import ballerinax/financial.iso20022.payments_clearing_and_settlement as pacsIsoRecord;
import ballerinax/financial.swift.mt as swiftmt;

@test:Config {}
function testTransformPain008DocumentToMT104() returns error? {
    xml documentXML = xml `
        <Pain008Document>
            <CstmrDrctDbtInitn>
                <GrpHdr>
                    <MsgId>EXAMPLE123456</MsgId>
                    <CreDtTm>2024-11-06T09:30:00Z</CreDtTm>
                    <NbOfTxs>2</NbOfTxs>
                    <CtrlSum>1500.00</CtrlSum>
                    <InitgPty>
                        <Nm>ABC Corporation</Nm>
                        <Id>
                            <OrgId>
                                <AnyBIC>ABCDEF12</AnyBIC>
                            </OrgId>
                        </Id>
                    </InitgPty>
                </GrpHdr>
                <PmtInf>
                    <PmtInfId>PMT20241106</PmtInfId>
                    <PmtMtd>DD</PmtMtd>
                    <BtchBookg>true</BtchBookg>
                    <NbOfTxs>2</NbOfTxs>
                    <CtrlSum>1500.00</CtrlSum>
                    <PmtTpInf>
                        <InstrPrty>NORM</InstrPrty>
                        <SvcLvl>
                            <Cd>SEPA</Cd>
                        </SvcLvl>
                    </PmtTpInf>
                    <ReqdColltnDt>2024-11-07</ReqdColltnDt>
                    <Cdtr>
                        <Nm>XYZ Ltd</Nm>
                        <PstlAdr>
                            <Ctry>DE</Ctry>
                            <AdrLine>123 Main Street</AdrLine>
                        </PstlAdr>
                    </Cdtr>
                    <CdtrAcct>
                        <Id>
                            <IBAN>DE89370400440532013000</IBAN>
                        </Id>
                    </CdtrAcct>
                    <CdtrAgt>
                        <FinInstnId>
                            <BICFI>DEUTDEFF</BICFI>
                        </FinInstnId>
                    </CdtrAgt>
                    <ChrgBr>SLEV</ChrgBr>
                    <DrctDbtTxInf>
                        <PmtId>
                            <InstrId>INSTR12345</InstrId>
                            <EndToEndId>ETOE12345</EndToEndId>
                        </PmtId>
                        <InstdAmt Ccy="EUR">1000.00</InstdAmt>
                        <DrctDbtTx>
                            <MndtRltdInf>
                                <MndtId>MANDATE123</MndtId>
                                <DtOfSgntr>2024-01-01</DtOfSgntr>
                            </MndtRltdInf>
                        </DrctDbtTx>
                        <DbtrAgt>
                            <FinInstnId>
                                <BICFI>DEUTDEBB</BICFI>
                            </FinInstnId>
                        </DbtrAgt>
                        <Dbtr>
                            <Nm>John Doe</Nm>
                            <PstlAdr>
                                <Ctry>DE</Ctry>
                                <AdrLine>456 Sample Avenue</AdrLine>
                            </PstlAdr>
                        </Dbtr>
                        <DbtrAcct>
                            <Id>
                                <IBAN>DE62370400440532013001</IBAN>
                            </Id>
                        </DbtrAcct>
                        <RmtInf>
                            <Ustrd>Invoice 12345</Ustrd>
                        </RmtInf>
                    </DrctDbtTxInf>
                    <DrctDbtTxInf>
                        <PmtId>
                            <InstrId>INSTR67890</InstrId>
                            <EndToEndId>ETOE67890</EndToEndId>
                        </PmtId>
                        <InstdAmt Ccy="EUR">500.00</InstdAmt>
                        <DrctDbtTx>
                            <MndtRltdInf>
                                <MndtId>MANDATE678</MndtId>
                                <DtOfSgntr>2024-05-15</DtOfSgntr>
                            </MndtRltdInf>
                        </DrctDbtTx>
                        <DbtrAgt>
                            <FinInstnId>
                                <BICFI>DEUTDEBB</BICFI>
                            </FinInstnId>
                        </DbtrAgt>
                        <Dbtr>
                            <Nm>Jane Smith</Nm>
                            <PstlAdr>
                                <Ctry>DE</Ctry>
                                <AdrLine>789 Test Blvd</AdrLine>
                            </PstlAdr>
                        </Dbtr>
                        <DbtrAcct>
                            <Id>
                                <IBAN>DE89370400440532013002</IBAN>
                            </Id>
                        </DbtrAcct>
                        <RmtInf>
                            <Ustrd>Invoice 67890</Ustrd>
                        </RmtInf>
                    </DrctDbtTxInf>
                </PmtInf>
            </CstmrDrctDbtInitn>
        </Pain008Document>
        `;
    painIsoRecord:Pain008Document pain008Message = <painIsoRecord:Pain008Document>(check swiftmx:fromIso20022(documentXML, painIsoRecord:Pain008Document));
}

Version

distribution-version = "2201.10.0"

[SasinduDilshara]

We needs to support Enums and Singelton values for data.xmldata module