Unicode C

HTTP POST JSON and Parse JSON Response

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Demonstrates how to send a JSON POST and then parse the JSON response. Unicode C

#include <C_CkJsonObjectW.h>
#include <C_CkHttpW.h>
#include <C_CkHttpResponseW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkJsonObjectW json;
    HCkHttpW http;
    HCkHttpResponseW resp;
    HCkJsonObjectW jsonResp;
    const wchar_t *lifeAmount;
    const wchar_t *lifeResidualAmount;

    success = FALSE;

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

    json = CkJsonObjectW_Create();

    success = CkJsonObjectW_LoadFile(json,L"qa_data/json/jsonBodyForHttpPost.json");
    if (success == FALSE) {
        wprintf(L"%s\n",CkJsonObjectW_lastErrorText(json));
        CkJsonObjectW_Dispose(json);
        return;
    }

    http = CkHttpW_Create();

    resp = CkHttpResponseW_Create();
    success = CkHttpW_HttpJson(http,L"POST",L"https://test.something.com/XYZ/API/v1/CreditInsuranceCalculator/CalculatePremiums",json,L"application/json",resp);
    if (success == FALSE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkJsonObjectW_Dispose(json);
        CkHttpW_Dispose(http);
        CkHttpResponseW_Dispose(resp);
        return;
    }

    jsonResp = CkJsonObjectW_Create();
    CkJsonObjectW_Load(jsonResp,CkHttpResponseW_bodyStr(resp));

    CkJsonObjectW_putEmitCompact(jsonResp,FALSE);
    wprintf(L"%s\n",CkJsonObjectW_emit(jsonResp));

    // The JSON response to be parsed looks like this:
    // {
    //   "LifeAmount": 513.85,
    //   "LifeResidualAmount": 123.38,
    //   "CriticalIllnessAmount": 0,
    //   "CriticalIllnessResidualAmount": 0,
    //   "DisabilityAmount": 881.70,
    //   "PolicyFee": 0.00,
    //   "PolicyFeeSecondary": 0,
    //   "PolicyFeeHidden": 50.00,
    //   "PolicyFeeHiddenSecondary": 0
    // }

    // We can get the floating point numbers as strings.  Then convert to double
    // using the appropriate string-to-double conversion for your programming language.
    // For example, in C++ use atof.  In C# use Convert.ToDouble.  
    lifeAmount = CkJsonObjectW_stringOf(jsonResp,L"LifeAmount");
    lifeResidualAmount = CkJsonObjectW_stringOf(jsonResp,L"LifeResidualAmount");

    wprintf(L"LifeAmount = %s\n",lifeAmount);
    wprintf(L"LifeResidualAmount = %s\n",lifeResidualAmount);


    CkJsonObjectW_Dispose(json);
    CkHttpW_Dispose(http);
    CkHttpResponseW_Dispose(resp);
    CkJsonObjectW_Dispose(jsonResp);

    }