protected void loadConfiguration() {
        File configFile = new File(CONFIG_FILE);
        configuration = new Configuration();
        try {
            configuration.load(configFile);
        } catch (IOException e) {
            e.printStackTrace();
        }

        File xmlConfigFile = new File(CONFIG_FILE_XML);
        xmlConfiguration = new XMLConfiguration();
        try {
            xmlConfiguration.load(xmlConfigFile);
        } catch (ConfigurationException e) {
            e.printStackTrace();
        }
    }