JavaScript

Google Translate Text

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Demonstrates how to use the Cloud Translation API to translate text from one spoken language to another. The example translates from English to Spanish. JavaScript

var success = false;

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

// --------------------------------------------------------------------------------
// IMPORTANT: 
// Don't forget you need to 1st enable the Cloud Translation API in your Google Developers Console at https://console.cloud.google.com
// --------------------------------------------------------------------------------

// It is assumed we previously obtained an OAuth2 access token.
// This example loads the JSON access token file 
var jsonToken = new CkJsonObject();
success = jsonToken.LoadFile("qa_data/tokens/_googleTranslate.json");
if (success !== true) {
    console.log("Failed to load _googleTranslate.json");
    return;
}

var http = new CkHttp();

http.AuthToken = jsonToken.StringOf("access_token");

// The following JSON is sent in the request body.

// {
//     "q": "The quick brown fox jumped over the lazy dog.",
//     "source": "en",
//     "target": "es",
//     "format": "text"
// }

var json = new CkJsonObject();
// The following code creates the JSON request body.
json.UpdateString("q","The quick brown fox jumped over the lazy dog.");
json.UpdateString("source","en");
json.UpdateString("target","es");
json.UpdateString("format","text");

json.EmitCompact = false;
console.log(json.Emit());

var resp = new CkHttpResponse();
success = http.HttpJson("POST","https://translation.googleapis.com/language/translate/v2",json,"application/json",resp);
if (success == false) {
    console.log(http.LastErrorText);
    return;
}

var jResp = new CkJsonObject();
resp.GetBodyJson(jResp);
jResp.EmitCompact = false;

console.log("Response Body:");
console.log(jResp.Emit());

var respStatusCode = resp.StatusCode;
console.log("Response Status Code = " + respStatusCode);
if (respStatusCode >= 400) {
    console.log("Response Header:");
    console.log(resp.Header);
    console.log("Failed.");
    return;
}

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "data": {
//     "translations": [
//       {
//         "translatedText": "El zorro r�pida salt� sobre el perro perezoso."
//       }
//     ]
//   }
// }

var translatedText;

var i = 0;
var n = jResp.SizeOfArray("data.translations");
while (i < n) {
    jResp.I = i;
    translatedText = jResp.StringOf("data.translations[i].translatedText");
    console.log(translatedText);
    i = i+1;
}