Java

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. Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Http;
import com.chilkatsoft.chilkat2.HttpResponse;
import com.chilkatsoft.chilkat2.JsonObject;

public class ChilkatExample {

    public static void main(String[] args) {
        // 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
        JsonObject jsonToken = new JsonObject();
        try {
            jsonToken.loadFile("qa_data/tokens/_googleTranslate.json");
        } catch (ChilkatException e) {
            System.out.println("Failed to load _googleTranslate.json");
            return;
        }

        Http http = new Http();

        http.setAuthToken(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"
        // }

        JsonObject json = new JsonObject();
        // 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.setEmitCompact(false);
        System.out.println(json.emit());

        HttpResponse resp = new HttpResponse();
        try {
            http.httpJson("POST", "https://translation.googleapis.com/language/translate/v2", json, "application/json", resp);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        JsonObject jResp = new JsonObject();
        resp.getBodyJson(jResp);
        jResp.setEmitCompact(false);

        System.out.println("Response Body:");
        System.out.println(jResp.emit());

        int respStatusCode = resp.getStatusCode();
        System.out.println("Response Status Code = " + respStatusCode);
        if (respStatusCode >= 400) {
            System.out.println("Response Header:");
            System.out.println(resp.getHeader());
            System.out.println("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."
        //       }
        //     ]
        //   }
        // }

        String translatedText = "";

        int i = 0;
        int n = jResp.sizeOfArray("data.translations");
        while (i < n) {
            jResp.setI(i);
            translatedText = jResp.stringOf("data.translations[i].translatedText");
            System.out.println(translatedText);
            i = i + 1;
        }
    }
}