public void saveConfig() {
        try {
            if (this.configFile.exists()) {
                this.configFile.delete();
            }

            if (this.configFile.createNewFile()) {
                try (Writer writer = new BufferedWriter(new OutputStreamWriter(
                        new FileOutputStream(configFile), "UTF-8"))) {
                    this.gson.toJson(list, List.class, writer);
                }
            }

        } catch (IOException ex) {
            Logging.severe("Error save config", ex);
        }
    }