// build our query and send it to the translate API
private String Translate_String(String text, String target)
{
String requestUrl = "https://www.googleapis.com/language/translate/v2?key=" + _APIKey + "&source=" + _SelectedLangCode + "&target=" + target + "&q=";
requestUrl += HttpUtility.UrlEncode(text);
//Console.Write(requestUrl);
TranslateAPIResponse resp = Make_HTTPRequest(requestUrl);
if (resp != null)
{
if (resp.DataSets.TranslatedText.Length == 0)
{
return(null);
}
return(resp.DataSets.TranslatedText[0].Text);
}
return(null);
}
// make a request to the translate api
private TranslateAPIResponse Make_HTTPRequest(string requestUrl)
{
try {
HttpWebRequest request = WebRequest.Create(requestUrl) as HttpWebRequest;
using (HttpWebResponse response = request.GetResponse() as HttpWebResponse) {
if (response.StatusCode != HttpStatusCode.OK)
{
throw new Exception(String.Format("Could not connect to Google API (HTTP {0}: {1}).", response.StatusCode, response.StatusDescription));
}
_ValidConfiguration = true;
DataContractJsonSerializer jsonSerializer = new DataContractJsonSerializer(typeof(TranslateAPIResponse));
object objResponse = jsonSerializer.ReadObject(response.GetResponseStream());
TranslateAPIResponse jsonResponse = objResponse as TranslateAPIResponse;
return(jsonResponse);
}
}
catch (Exception e) {
MessageBox.Show(e.Message + " - Check your API key.");
_ValidConfiguration = false;
return(null);
}
}
// Query the translate api for the list of languages available reported in language targetLang
private void Request_AvailableLanguages(String targetLang)
{
String requestUrl = "https://www.googleapis.com/language/translate/v2/languages?key=" + _APIKey + "&target=" + targetLang;
TranslateAPIResponse resp = Make_HTTPRequest(requestUrl);
// clear out the check-boxes used to select the languages to translate into
if (_DestinationCheckbox != null)
{
for (int i = 0; i < _DestinationCheckbox.Length; i++)
{
this.Controls.Remove(_DestinationCheckbox[i]);
}
}
// if we got a valid response populate the combo-boxes and check-boxes with the available languages in the target language
if (resp != null)
{
_DestinationCheckbox = new CheckBox[resp.DataSets.Languages.Length];
_SupportedLanguages = resp.DataSets.Languages;
Populate_SourceLanguages(targetLang);
Create_DestinationLangCheckBoxes();
}
}