(MFC) HTTP POST JSON

Demonstrates how to send a JSON POST and get the JSON response.

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// Needs #include <CkHttpRequest.h>
// Needs #include <CkHttp.h>
// Needs #include <CkHttpResponse.h>

    CkString strOut;

    CkHttpRequest req;
    CkHttp http;

    bool success;

    //  Any string unlocks the component for the 1st 30 days.
    success = http.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    //  This example duplicates the HTTP POST shown at
    //  http://json.org/JSONRequest.html

    //  Specifically, the request to be sent looks like this:
    //  
POST /request HTTP/1.1
Accept: application/jsonrequest
Content-Encoding: identity
Content-Length: 72
Content-Type: application/jsonrequest
Host: json.penzance.org

{"user":"doctoravatar@penzance.com","forecast":7,"t":"vlIj","zip":94089}


    //  First, remove default header fields that would be automatically
    //  sent.  (These headers are harmless, and shouldn't need to
    //  be suppressed, but just in case...)
    http.put_AcceptCharset("");
    http.put_UserAgent("");
    http.put_AcceptLanguage("");
    //  Suppress the Accept-Encoding header by disallowing
    //  a gzip response:
    http.put_AllowGzip(false);

    //  If a Cookie needs to be added, it may be added by calling
    //  AddQuickHeader:
    http.AddQuickHeader("Cookie","JSESSIONID=1234");

    const char * jsonText;
    jsonText = "{\"user\":\"doctoravatar@penzance.com\",\"forecast\":7,\"t\":\"vlIj\",\"zip\":94089}";

    //  To use SSL/TLS, simply use "https://" in the URL.

    //  IMPORTANT: Make sure to change the URL, JSON text,
    //  and other data items to your own values.  The URL used
    //  in this example will not actually work.

    CkHttpResponse *resp = 0;
    resp = http.PostJson("http://json.penzance.org/request",jsonText);
    if (resp == 0 ) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
    }
    else {
        //  Display the JSON response.
        strOut.append(resp->bodyStr());
        strOut.append("\r\n");
    }



    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());