/**
   * Sends the current log in object to the EJB
   *
   * @return Will either return the user to the log in page (if creation was successful) OR will
   *     return user back to the register page with an error message
   * @throws NoSuchAlgorithmException This error is thrown if the password encryption fails
   */
  public String createUser() throws NoSuchAlgorithmException {
    if (!detentionTrackerBean.userExists(currentLogin.getUsername())) {
      // If new username does not already exists...

      detentionTrackerBean.createInitialLogin(currentLogin);
      return "login?faces-redirect=true";
    }
    // else if it does already exists...
    displayMessage(
        "Username already exists OR you have entered incorrect characters (letters & numbers only!)");
    return null;
  }