(Unicode C++) REST POST JSON using Gzip Content Encoding

Demonstrates how to send a JSON POST using the gzip Content-Encoding.

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#include <CkJsonObjectW.h>
#include <CkRestW.h>
#include <CkStringBuilderW.h>

void ChilkatSample(void)
    {
    // This requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // Use the online tool at https://tools.chilkat.io/Default.cshtml
    // to generate the JSON code that creates this JSON:

    // {
    //     "lists": [
    //         {
    //             "id": "1511199999"
    //         }
    //     ],
    //     "confirmed": false,
    //     "email_addresses": [
    //         {
    //             "email_address": "support@chilkatsoft.com"
    //         }
    //     ],
    //     "first_name": "Matt",
    //     "last_name": "Smith"
    // }
    // 

    CkJsonObjectW json;
    json.UpdateString(L"lists[0].id",L"1511199999");
    json.UpdateBool(L"confirmed",false);
    json.UpdateString(L"email_addresses[0].email_address",L"support@chilkatsoft.com");
    json.UpdateString(L"first_name",L"Matt");
    json.UpdateString(L"last_name",L"Smith");

    CkRestW rest;

    bool success = rest.Connect(L"api.constantcontact.com",443,true,true);
    if (success != true) {
        wprintf(L"%s\n",rest.lastErrorText());
        return;
    }

    rest.AddHeader(L"Content-Type",L"application/json");
    rest.AddHeader(L"Authorization",L"Bearer xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxx");

    // Tell the server you'll accept only an application/json response.
    rest.AddHeader(L"Accept",L"application/json");

    // Indicate that we'll be sending the request body gzipped.
    rest.AddHeader(L"Content-Encoding",L"gzip");

    CkStringBuilderW sbReq;
    json.EmitSb(sbReq);

    // Send the POST.
    CkStringBuilderW sbResp;
    success = rest.FullRequestSb(L"POST",L"/v2/contacts?action_by=ACTION_BY_VISITOR&api_key=xxxxxxx",sbReq,sbResp);
    if (success != true) {
        wprintf(L"%s\n",rest.lastErrorText());
        return;
    }

    wprintf(L"Response body:\n");
    wprintf(L"%s\n",sbResp.getAsString());

    if (rest.get_ResponseStatusCode() != 200) {
        wprintf(L"Received error response code: %d\n",rest.get_ResponseStatusCode());
        return;
    }

    CkJsonObjectW jsonResp;
    jsonResp.LoadSb(sbResp);

    // Use the online tool at https://tools.chilkat.io/jsonParse.cshtml
    // to generate the JSON code that parses the JSON response..
    }