(Unicode C++) Amazon Translate Text

Demonstrates how to use the AWS Translate service to translate text from one language to another.

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

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

    CkRestW rest;
    bool success;

    CkAuthAwsW authAws;
    authAws.put_AccessKey(L"AWS_ACCESS_KEY");
    authAws.put_SecretKey(L"AWS_SECRET_KEY");
    authAws.put_Region(L"us-west-2");
    authAws.put_ServiceName(L"translate");
    rest.SetAuthAws(authAws);

    // URL: https://translate.us-west-2.amazonaws.com/
    bool bTls = true;
    int port = 443;
    bool bAutoReconnect = true;
    success = rest.Connect(L"translate.us-west-2.amazonaws.com",port,bTls,bAutoReconnect);
    if (success != true) {
        wprintf(L"ConnectFailReason: %d\n",rest.get_ConnectFailReason());
        wprintf(L"%s\n",rest.lastErrorText());
        return;
    }

    // Translate text from English to German
    CkJsonObjectW json;
    json.UpdateString(L"SourceLanguageCode",L"en");
    json.UpdateString(L"TargetLanguageCode",L"de");
    json.UpdateString(L"Text",L"This is the text to be translated");

    rest.AddHeader(L"Content-Type",L"application/x-amz-json-1.1");
    rest.AddHeader(L"X-Amz-Target",L"AWSShineFrontendService_20170701.TranslateText");

    CkStringBuilderW sbRequestBody;
    json.EmitSb(sbRequestBody);
    CkStringBuilderW sbResponseBody;
    success = rest.FullRequestSb(L"POST",L"/",sbRequestBody,sbResponseBody);
    if (success != true) {
        wprintf(L"%s\n",rest.lastErrorText());
        return;
    }

    int respStatusCode = rest.get_ResponseStatusCode();
    if (respStatusCode >= 400) {
        wprintf(L"Response Status Code = %d\n",respStatusCode);
        wprintf(L"Response Header:\n");
        wprintf(L"%s\n",rest.responseHeader());
        wprintf(L"Response Body:\n");
        wprintf(L"%s\n",sbResponseBody.getAsString());
        return;
    }

    CkJsonObjectW jsonResponse;
    jsonResponse.LoadSb(sbResponseBody);
    jsonResponse.put_EmitCompact(false);

    wprintf(L"%s\n",jsonResponse.emit());

    // {
    //   "SourceLanguageCode": "en",
    //   "TargetLanguageCode": "de",
    //   "TranslatedText": "Dies ist der zu bersetzende Text"
    // }

    wprintf(L"%s\n",jsonResponse.stringOf(L"TranslatedText"));
    }