protected static void defineLookAndFeel() {
    try {
      try {
        if (OsEnum.getOS() == OsEnum.WINDOWS_VISTA || OsEnum.getOS() == OsEnum.WINDOWS_XP
            || OsEnum.getOS() == OsEnum.WINDOWS_SEVEN) {
          UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        }
      } catch (ClassNotFoundException ex) {
        logger.log(Level.INFO, null, ex);
      } catch (InstantiationException ex) {
        logger.log(Level.INFO, null, ex);
      } catch (IllegalAccessException ex) {
        logger.log(Level.INFO, null, ex);
      }
    } catch (UnsupportedLookAndFeelException ex) {
      logger.log(Level.INFO, "Unable to load native look and feel");
    }
  }