public static boolean isValidLogin(String userName, String password) {

    // is the user on file?

    if (AdminUsers.getPassword(userName) == null) {
      return false;
    }
    // does the password match passeod from table?

    String passwordFromDB = AdminUsers.getPassword(userName);
    if (password.equals(passwordFromDB)) {
      return true;
    }

    return false;
  }