try{
            String account = params[0].get(0);
            String password = params[0].get(1);

            URL url = new URL("http", WEB_SERVICE_URL, PORT, REST_LOGIN);
            HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
            httpURLConnection.setConnectTimeout(CONNECTION_TIMEOUT);


            httpURLConnection.setRequestMethod("POST");


            httpURLConnection.setDoOutput(true);
            httpURLConnection.setRequestProperty("Content-Type", "application/json");
            httpURLConnection.setRequestProperty("Accept", "application/json");

            JSONObject json = jsonParser.serialJsonLogin(nomCompte, motPasse);


            osw = new OutputStreamWriter(httpURLConnection.getOutputStream(),"UTF-8");
            osw.write(json.toString());
            osw.flush();
            String body = readStream(httpURLConnection.getInputStream());
            osw.close();




            Log.i(TAG, "Return : " + body);

            user = jsonParser.deserializeJsonUser(body);

        }catch (Exception e) {
            mException = e;
        }finally {
            if (mHttpURLConnection != null) {
                mHttpURLConnection.disconnect();
            }
        }
        return user;