(Unicode C++) Simple SOAP Request

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Demonstrates how to send a simple SOAP request.

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#include <CkXmlW.h>
#include <CkHttpW.h>
#include <CkHttpResponseW.h>

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

    // Create the following XML to be sent in the SOAP request body.

    // <soapenv:Envelope xmlns:dat="http://www.dataaccess.com/webservicesserver/" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
    //     <soapenv:Header/>
    //     <soapenv:Body>
    //         <dat:NumberToDollars>
    //             <dat:dNum>99.0</dat:dNum>
    //         </dat:NumberToDollars>
    //     </soapenv:Body>
    // </soapenv:Envelope>

    CkXmlW xml;
    xml.put_Tag(L"soapenv:Envelope");
    xml.AddAttribute(L"xmlns:dat",L"http://www.dataaccess.com/webservicesserver/");
    xml.AddAttribute(L"xmlns:soapenv",L"http://schemas.xmlsoap.org/soap/envelope/");
    xml.UpdateChildContent(L"soapenv:Header",L"");
    xml.UpdateChildContent(L"soapenv:Body|dat:NumberToDollars|dat:dNum",L"99.0");

    // 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.put_EmitXmlDecl(false);
    const wchar_t *soapRequestBody = xml.getXml();

    const wchar_t *endpoint = L"https://www.dataaccess.com/webservicesserver/numberconversion.wso";
    const wchar_t *soapAction = L"";
    //  For SOAP requests, the standard Content-Type is usually set to "text/xml" or "application/soap+xml"
    const wchar_t *contentType = L"text/xml";

    CkHttpW http;

    http.ClearHeaders();
    http.SetRequestHeader(L"Content-Type",contentType);
    http.SetRequestHeader(L"SOAPAction",soapAction);

    CkHttpResponseW *resp = http.PostXml(endpoint,soapRequestBody,L"utf-8");
    if (http.get_LastMethodSuccess() == false) {
        wprintf(L"%s\n",http.lastErrorText());
        wprintf(L"Failed to send SOAP request.\n");
        return;
    }

    // Get the XML response body.
    CkXmlW responseXml;
    resp->GetBodyXml(responseXml);

    int statusCode = resp->get_StatusCode();
    wprintf(L"response status code: %d\n",statusCode);

    delete resp;

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

    wprintf(L"%s\n",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).

    // <soapenv:Envelope xmlns:dat="http://www.dataaccess.com/webservicesserver/" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
    //     <soapenv:Header/>
    //     <soapenv:Body>
    //         <dat:NumberToDollarsResponse>
    //             <dat:NumberToDollarsResult>string</dat:NumberToDollarsResult>
    //         </dat:NumberToDollarsResponse>
    //     </soapenv:Body>
    // </soapenv:Envelope>

    const wchar_t *dat_NumberToDollarsResult = responseXml.getChildContent(L"*:Body|*:NumberToDollarsResponse|*:NumberToDollarsResult");
    wprintf(L"result: %s\n",dat_NumberToDollarsResult);
    }