(C) PEPPOL Document Validation

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

For more information, see https://peppol.helger.com/public/locale-en_US/menuitem-validation-ws2

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#include <C_CkHttp.h>
#include <C_CkStringBuilder.h>
#include <C_CkXml.h>
#include <C_CkHttpResponse.h>

void ChilkatSample(void)
    {
    HCkHttp http;
    HCkStringBuilder sbPeppolInvoiceXml;
    BOOL success;
    HCkXml xml;
    HCkHttpResponse resp;
    HCkXml respXml;

    // 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.
    // --------------------------------------------------------------------------------

    http = CkHttp_Create();

    // 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
    sbPeppolInvoiceXml = CkStringBuilder_Create();
    success = CkStringBuilder_LoadFile(sbPeppolInvoiceXml,"qa_data/xml/peppol_invoice.xml","utf-8");

    xml = CkXml_Create();
    CkXml_putTag(xml,"S:Envelope");
    CkXml_AddAttribute(xml,"xmlns:S","http://schemas.xmlsoap.org/soap/envelope/");
    CkXml_UpdateAttrAt(xml,"S:Body|validateRequestInput",TRUE,"xmlns","http://peppol.helger.com/ws/documentvalidationservice/201701/");
    CkXml_UpdateAttrAt(xml,"S:Body|validateRequestInput",TRUE,"VESID","at.ebinterface:invoice:5.0");
    CkXml_UpdateAttrAt(xml,"S:Body|validateRequestInput",TRUE,"displayLocale","en");
    CkXml_UpdateChildContent(xml,"S:Body|validateRequestInput|XML",CkStringBuilder_getAsString(sbPeppolInvoiceXml));

    // Set the Content-Type of the request.
    CkHttp_SetRequestHeader(http,"Content-Type","text/xml");

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

    // Send the request...
    resp = CkHttp_PostXml(http,"https://peppol.helger.com/wsdvs",CkXml_getXml(xml),"utf-8");
    if (CkHttp_getLastMethodSuccess(http) != TRUE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkStringBuilder_Dispose(sbPeppolInvoiceXml);
        CkXml_Dispose(xml);
        return;
    }

    printf("Response Status Code = %d\n",CkHttpResponse_getStatusCode(resp));

    respXml = CkXml_Create();
    CkXml_LoadXml(respXml,CkHttpResponse_bodyStr(resp));
    CkHttpResponse_Dispose(resp);

    printf("Response XML:\n");
    printf("%s\n",CkXml_getXml(respXml));

    // 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>


    CkHttp_Dispose(http);
    CkStringBuilder_Dispose(sbPeppolInvoiceXml);
    CkXml_Dispose(xml);
    CkXml_Dispose(respXml);

    }