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(C) SOAP Web Service (HTTP POST)

Demonstrates how to call PostXml to call a SOAP web service.

Chilkat C/C++ Library Downloads

MS Visual C/C++

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

void ChilkatSample(void)
    {
    HCkHttp http;
    BOOL success;
    HCkXml xml;
    const char *strXml;
    int responseStatusCode;
    const char *endPoint;
    HCkHttpResponse resp;
    HCkXml xmlResp;

    http = CkHttp_Create();

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

    // This example uses a live web service at:
    // http://www.webservicex.net/uklocation.asmx
    // It gets the UK town,Postcode and County by Postcode(First Section of Post Code)

    // The SOAP XML will look like this:
    // <?xml version="1.0" encoding="utf-8"?>
    // <soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
    //   <soap:Body>
    //     <GetUKLocationByPostCode xmlns="http://www.webserviceX.NET">
    //       <PostCode>string</PostCode>
    //     </GetUKLocationByPostCode>
    //   </soap:Body>
    // </soap:Envelope>

    // For this example's sake, we'll load the XML from a file.  We'll test using PostCode "E3".  
    // The SOAP XML for this example may be downloaded from:
    // http://www.chilkatsoft.com/testData/ukPostCodeSoap.xml
    xml = CkXml_Create();
    success = CkXml_LoadXmlFile(xml,"ukPostCodeSoap.xml");
    if (success != TRUE) {
        printf("%s\n",CkXml_lastErrorText(xml));
        CkHttp_Dispose(http);
        CkXml_Dispose(xml);
        return;
    }

    strXml = CkXml_getXml(xml);

    // We'll need to add this in the HTTP header:
    // SOAPAction: "http://www.webserviceX.NET/GetUKLocationByPostCode"
    CkHttp_SetRequestHeader(http,"SOAPAction","http://www.webserviceX.NET/GetUKLocationByPostCode");

    // Some services expect the content-type in the HTTP header to be "application/xml" while
    // other expect text/xml.  The default sent by Chilkat is "application/xml", but this web service
    // expects "text/xml".  Therefore, change the content-type:
    CkHttp_SetRequestHeader(http,"Content-Type","text/xml; charset=utf-8");

    // The endpoint for this soap service is:
    endPoint = "http://www.webservicex.net/uklocation.asmx";

    // Note: This particular web service was live and functioning at the time this example
    // was written.  It is possible that as time progresses, this web service will no longer
    // be availble...
    resp = CkHttp_PostXml(http,endPoint,strXml,"utf-8");
    if (CkHttp_getLastMethodSuccess(http) != TRUE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        printf("LastHeader:\n");
        printf("%s\n",CkHttp_lastHeader(http));
        CkHttp_Dispose(http);
        CkXml_Dispose(xml);
        return;
    }

    responseStatusCode = CkHttpResponse_getStatusCode(resp);
    // You may wish to verify that the responseStatusCode equals 200...
    printf("Response Status Code: %d\n",responseStatusCode);

    // You may examine the exact HTTP header sent with the POST like this:
    printf("LastHeader:\n");
    printf("%s\n",CkHttp_lastHeader(http));

    // Examine the XML returned by the web service:
    printf("XML Response:\n");
    xmlResp = CkXml_Create();
    CkXml_LoadXml(xmlResp,CkHttpResponse_bodyStr(resp));
    printf("%s\n",CkXml_getXml(xmlResp));

    // Use the this online tool to generate parsing code from response XML: 
    // Generate Parsing Code from XML

    CkHttpResponse_Dispose(resp);


    CkHttp_Dispose(http);
    CkXml_Dispose(xml);
    CkXml_Dispose(xmlResp);

    }

 

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