DataFlex

PEPPOL Document Validation

See more HTTP Misc Examples

Demonstrates how to call a Web service to validate your PEPPOL documents according to the latest PEPPOL rules. The validation service requires UBL files. DataFlex

Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Handle hoHttp
    Handle hoSbPeppolInvoiceXml
    Handle hoXml
    Variant vResp
    Handle hoResp
    Handle hoRespXml
    String sTemp1
    Integer iTemp1

    Move False To iSuccess

    // This example assumes the Chilkat HTTP API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // --------------------------------------------------------------------------------
    // Also see Chilkat's Online WSDL Code Generator
    // to generate code and SOAP Request and Response XML for each operation in a WSDL.
    // --------------------------------------------------------------------------------

    Get Create (RefClass(cComChilkatHttp)) To hoHttp
    If (Not(IsComObjectCreated(hoHttp))) Begin
        Send CreateComObject of hoHttp
    End

    // We are sending the following POST:

    // POST /wsdvs HTTP/1.1
    // Host: peppol.helger.com
    // Content-Type: application/soap+xml; charset=utf-8
    // Content-Length: <length>
    // 
    // <?xml version="1.0"?>
    // <S:Envelope xmlns:S="http://schemas.xmlsoap.org/soap/envelope/">
    // <S:Body>
    // <validateRequestInput xmlns="http://peppol.helger.com/ws/documentvalidationservice/201701/" VESID="eu.peppol.bis2:t10:3.3.0" displayLocale="en">
    // <XML>...ENTITY_ENCODED_INVOICE_XML_GOES_HERE...</XML>
    // </validateRequestInput>
    // </S:Body>
    // </S:Envelope>

    // Build the SOAP XML shown above.
    // First load the PEPPOL invoice that will be the data contained in the <XML>...</XML> SOAP element.
    // We are using the XML invoice obtained from https://github.com/austriapro/ebinterface-standards/blob/master/schemas/ebInterface5p0/samples/ebinterface_5p0_sample_ecosio.xml
    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbPeppolInvoiceXml
    If (Not(IsComObjectCreated(hoSbPeppolInvoiceXml))) Begin
        Send CreateComObject of hoSbPeppolInvoiceXml
    End
    Get ComLoadFile Of hoSbPeppolInvoiceXml "qa_data/xml/peppol_invoice.xml" "utf-8" To iSuccess

    Get Create (RefClass(cComChilkatXml)) To hoXml
    If (Not(IsComObjectCreated(hoXml))) Begin
        Send CreateComObject of hoXml
    End
    Set ComTag Of hoXml To "S:Envelope"
    Get ComAddAttribute Of hoXml "xmlns:S" "http://schemas.xmlsoap.org/soap/envelope/" To iSuccess
    Get ComUpdateAttrAt Of hoXml "S:Body|validateRequestInput" True "xmlns" "http://peppol.helger.com/ws/documentvalidationservice/201701/" To iSuccess
    Get ComUpdateAttrAt Of hoXml "S:Body|validateRequestInput" True "VESID" "at.ebinterface:invoice:5.0" To iSuccess
    Get ComUpdateAttrAt Of hoXml "S:Body|validateRequestInput" True "displayLocale" "en" To iSuccess
    Get ComGetAsString Of hoSbPeppolInvoiceXml To sTemp1
    Send ComUpdateChildContent To hoXml "S:Body|validateRequestInput|XML" sTemp1

    // We don't need to specify the Content-Length or Host headers.  Chilkat automatically adds them.

    // Send the request...
    Get Create (RefClass(cComChilkatHttpResponse)) To hoResp
    If (Not(IsComObjectCreated(hoResp))) Begin
        Send CreateComObject of hoResp
    End
    Get ComGetXml Of hoXml To sTemp1
    Get pvComObject of hoResp to vResp
    Get ComHttpStr Of hoHttp "POST" "https://peppol.helger.com/wsdvs" sTemp1 "utf-8" "text/xml" vResp To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoHttp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComStatusCode Of hoResp To iTemp1
    Showln "Response Status Code = " iTemp1

    Get Create (RefClass(cComChilkatXml)) To hoRespXml
    If (Not(IsComObjectCreated(hoRespXml))) Begin
        Send CreateComObject of hoRespXml
    End
    Get ComBodyStr Of hoResp To sTemp1
    Get ComLoadXml Of hoRespXml sTemp1 To iSuccess

    Showln "Response XML:"
    Get ComGetXml Of hoRespXml To sTemp1
    Showln sTemp1

    // A success repsonse looks like this:

    // <?xml version="1.0" encoding="UTF-8"?>
    // <S:Envelope xmlns:S="http://schemas.xmlsoap.org/soap/envelope/">
    //     <S:Body>
    //         <validateResponseOutput xmlns="http://peppol.helger.com/ws/documentvalidationservice/201701/" success="true" interrupted="false" mostSevereErrorLevel="SUCCESS">
    //             <Result success="true" artifactType="xsd" artifactPath="/schemas/ebinterface/ebinterface-5.0.xsd"/>
    //         </validateResponseOutput>
    //     </S:Body>
    // </S:Envelope>


End_Procedure