Android GET json in AsyncTask

AndroidHttpAsyncTask.java

    public class HttpAsyncTask extends AsyncTask<String, Void, Integer> {

        private Context mContext;

        public HttpAsyncTask(Context context) {
            mContext = context.getApplicationContext();
        }

        @Override
        protected void onPreExecute() {
        }

        @Override
        protected Integer doInBackground(String... params) {
            try {
                URL myURL = new URL(params[0]);
                URLConnection conn = myURL.openConnection();
                InputStream is = conn.getInputStream();
                BufferedReader streamReader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
                StringBuilder responseStrBuilder = new StringBuilder();
                String inputStr;
                while ((inputStr = streamReader.readLine()) != null)
                    responseStrBuilder.append(inputStr);
                JSONObject response = new JSONObject(responseStrBuilder.toString());
            } catch (MalformedURLException e) {
                e.printStackTrace();
            } catch (JSONException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            } catch (Exception e) {
                e.printStackTrace();
            }
            return 0;
        }

        @Override
        protected void onPostExecute(Integer integer) {
        }
        
    }

    private void getFiles() {

        HttpAsyncTask myTask = new HttpAsyncTask(this);
        myTask.execute("http://weather.com/json");

    }