(Swift 2) 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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func chilkatTest() {
    // 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.
    // --------------------------------------------------------------------------------

    let http = CkoHttp()

    // 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
    let sbPeppolInvoiceXml = CkoStringBuilder()
    var success: Bool = sbPeppolInvoiceXml.LoadFile("qa_data/xml/peppol_invoice.xml", charset: "utf-8")

    let xml = CkoXml()
    xml.Tag = "S:Envelope"
    xml.AddAttribute("xmlns:S", value: "http://schemas.xmlsoap.org/soap/envelope/")
    xml.UpdateAttrAt("S:Body|validateRequestInput", autoCreate: true, attrName: "xmlns", attrValue: "http://peppol.helger.com/ws/documentvalidationservice/201701/")
    xml.UpdateAttrAt("S:Body|validateRequestInput", autoCreate: true, attrName: "VESID", attrValue: "at.ebinterface:invoice:5.0")
    xml.UpdateAttrAt("S:Body|validateRequestInput", autoCreate: true, attrName: "displayLocale", attrValue: "en")
    xml.UpdateChildContent("S:Body|validateRequestInput|XML", value: sbPeppolInvoiceXml.GetAsString())

    // Set the Content-Type of the request.
    http.SetRequestHeader("Content-Type", value: "text/xml")

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

    // Send the request...
    var resp: CkoHttpResponse? = http.PostXml("https://peppol.helger.com/wsdvs", xmlDoc: xml.GetXml(), charset: "utf-8")
    if http.LastMethodSuccess != true {
        print("\(http.LastErrorText)")
        return
    }

    print("Response Status Code = \(resp!.StatusCode.intValue)")

    let respXml = CkoXml()
    respXml.LoadXml(resp!.BodyStr)
    resp = nil

    print("Response XML:")
    print("\(respXml.GetXml())")

    // 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>

}