コード例 #1
0
  public void login() {
    try {

      // Do your "SELECT * FROM User WHERE username AND password" thing.
      User user = userDAO.find(username, password);

      if (user != null) {

        // User found. Put the User in the UserSession.
        userSession.setUser(user);

        // Do your "UPDATE UserSession SET values WHERE CookieID" thing.
        try {
          userSessionDAO.save(userSession);

          // Do your succes handling thing.
          setSuccesMessage("You are logged in successfully!");
        } catch (DAOException e) {
          // Do your exception handling thing.
          setErrorMessage("Updating UserSession failed.", e);
        }
      } else {
        // Do your error handling thing.
        setErrorMessage("Unknown username and/or invalid password.");
      }
    } catch (DAOException e) {
      // Do your exception handling thing.
      setErrorMessage("Loading User failed.", e);
    }
  }
コード例 #2
0
  public void logout() {

    // Just null out the user.
    userSession.setUser(null);

    try {
      // Do your "UPDATE UserSession SET values WHERE CookieID" thing.
      userSessionDAO.save(userSession);

      // Do your succes handling thing.
      setSuccesMessage("You are logged out successfully!");
    } catch (DAOException e) {
      // Do your exception handling thing.
      setErrorMessage("Updating UserSession failed.", e);
    }
  }