public static String fileToJsonString(String path) throws IOException {
        String jsonElementString;
        com.google.gson.JsonParser parser = new com.google.gson.JsonParser();
        StringBuilder stringBuilder = new StringBuilder();
        BufferedReader bufferedReader =  new BufferedReader(new FileReader(path));
        while ((jsonElementString = bufferedReader.readLine()) != null) {
            stringBuilder.append(jsonElementString);
        }
        bufferedReader.close();
        return stringBuilder.toString();
}