checkVatBinding / checkVat

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func chilkatTest() {
    let xml = CkoXml()!
    xml.tag = "soapenv:Envelope"
    xml.addAttribute("xmlns:soapenv", value: "http://schemas.xmlsoap.org/soap/envelope/")
    xml.addAttribute("xmlns", value: "urn:ec.europa.eu:taxud:vies:services:checkVat:types")
    xml.addAttribute("xmlns:impl", value: "urn:ec.europa.eu:taxud:vies:services:checkVat")
    xml.updateChildContent("soapenv:Header", value: "")
    xml.updateChildContent("soapenv:Body|checkVat|countryCode", value: "string")
    xml.updateChildContent("soapenv:Body|checkVat|vatNumber", value: "string")

    // In a SOAP HTTP request, including the XML declaration (<?xml version="1.0" encoding="UTF-8"?>) in the XML body is generally not required. 
    xml.emitXmlDecl = false
    var soapRequestBody: String? = xml.getXml()

    var endpoint: String? = "http://ec.europa.eu/taxation_customs/vies/services/checkVatService"
    var soapAction: String? = ""
    //  For SOAP requests, the standard Content-Type is usually set to "text/xml" or "application/soap+xml"
    var contentType: String? = "text/xml"

    let http = CkoHttp()!

    http.clearHeaders()
    http.setRequestHeader("Content-Type", value: contentType)
    http.setRequestHeader("SOAPAction", value: soapAction)

    var resp: CkoHttpResponse? = http.postXml(endpoint, xmlDoc: soapRequestBody, charset: "utf-8")
    if http.lastMethodSuccess == false {
        print("\(http.lastErrorText!)")
        print("Failed to send SOAP request.")
        return
    }

    // Get the XML response body.
    let responseXml = CkoXml()!
    resp!.getBody(responseXml)

    var statusCode: Int = resp!.statusCode.intValue
    print("response status code: \(statusCode)")

    resp = nil

    // If the status code does not indicate succcess, then show the response XML,
    // which probably contains error information.
    if statusCode != 200 {
        print("\(responseXml.getXml()!)")
        return
    }

    print("\(responseXml.getXml()!)")

    // Parse the successful SOAP response XML.

    // This is a sample of the response XML, but the namespace prefixes will be different.
    // We can parse the result using "*" for the namespace prefixes (see below).

    var Envelope_xmlns: String? = responseXml.getAttrValue("xmlns")
    var countryCode: String? = responseXml.getChildContent("*:Body|checkVatResponse|countryCode")
    var vatNumber: String? = responseXml.getChildContent("*:Body|checkVatResponse|vatNumber")
    var requestDate: String? = responseXml.getChildContent("*:Body|checkVatResponse|requestDate")
    var valid: String? = responseXml.getChildContent("*:Body|checkVatResponse|valid")
    var name: String? = responseXml.getChildContent("*:Body|checkVatResponse|name")
    var address: String? = responseXml.getChildContent("*:Body|checkVatResponse|address")

}

Request XML

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns="urn:ec.europa.eu:taxud:vies:services:checkVat:types" xmlns:impl="urn:ec.europa.eu:taxud:vies:services:checkVat">
    <soapenv:Header/>
    <soapenv:Body>
        <checkVat>
            <countryCode>string</countryCode>
            <vatNumber>string</vatNumber>
        </checkVat>
    </soapenv:Body>
</soapenv:Envelope>

Response XML

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns="urn:ec.europa.eu:taxud:vies:services:checkVat:types" xmlns:impl="urn:ec.europa.eu:taxud:vies:services:checkVat">
    <soapenv:Header/>
    <soapenv:Body>
        <checkVatResponse>
            <countryCode>string</countryCode>
            <vatNumber>string</vatNumber>
            <requestDate>date</requestDate>
            <valid>true</valid>
            <name>string</name>
            <address>string</address>
        </checkVatResponse>
    </soapenv:Body>
</soapenv:Envelope>