/** A supposed existent user tries to login to our system. */
private void logIn() {
boolean check;
boolean exists = false;
int tries = 0;
String user, pass;
Person pers = null;
/** Trying to select the person by its username. Maximum number of tries: 3. */
while (!exists && tries < 3) {
int i;
Consola.escriu("Insert username: "******"Invalid username, please try again.");
tries += 1;
}
}
/**
* If we reached the end, we wither have a person or we have more than 3 tries. More than 3
* tries means that exists = false. Let's ask for the password in the case that exists is true.
*/
if (exists) {
exists = false;
tries = 0; // You can try 3 times for your password.
while (!exists && tries < 3) {
Consola.escriu("Insert password: "******"Correct password");
} else {
Consola.escriu("Incorrect password.");
tries += 1;
}
}
}
/**
* We can have two situations: either we have a correct person (with correct user and password)
* or we have exceeded the maximum tries permited. If we have a correct person, we show the
* pertinent menu. If we reach here with more than 3 tries, then you can't log in.
*/
if (pers instanceof Client && tries < 3) {
// Given the client, we have to check if he can logIn
// id est, if he has less than 3 admonishes.
if (((Client) pers).canLogIn()) {
// Succeed, the client can log in and is now in use of our application.
current = pers;
selectOptionMenuClient();
} else {
// Our client can log in =( Inform him/her.
Consola.escriu("You have 3 admonishes, you can't log in, sorry.");
}
} else if (pers instanceof Manager && tries < 3) {
current = pers;
selectOptionMenuManager();
} else if (pers instanceof Admin && tries < 3) {
current = pers;
selectOptionMenuAdmin();
} else {
Consola.escriu("You've exceeded the maximum permited tries");
}
}
