// prompt the user to login
static User login() {
boolean hasUser = false;
String username, pass;
System.out.println("\nLogin Form (input \"back\" to cancel operation)");
while (!hasUser) {
System.out.print("Username: "******"Password: "******"back") || pass.equalsIgnoreCase("back")) {
System.out.println("Cancelling operation, reverting back to user menu.\n");
return null;
}
if (FileManager.userExist(username)) {
if (FileManager.checkPass(username, pass)) {
user = FileManager.loadUser(username);
hasUser = true;
} else {
System.out.println("Incorrect Password!");
}
} else {
System.out.println("The username you have specified does not exist!");
}
System.out.println(); // formating
}
return user;
}
// prompt the user to register
static User register() {
boolean regComplete = false;
String username, password, name;
int age;
System.out.println("Please fill in the information below to register a new user.");
while (!regComplete) {
System.out.print("Desired Username: "******"Password: "******"Name: ");
name = in.next();
System.out.print("Age: ");
try {
age = Integer.parseInt(in.next());
// Create the new user
user =
new User(
-1, username, password, name,
age); // -1 is a temporary ID which will be overwritten
FileManager.addUser(user);
if (FileManager.userExist(username)) {
regComplete = true;
// Reload the user with correct corresponding ID
user = FileManager.loadUser(username);
}
} catch (NumberFormatException mismatch) {
System.out.println("You did not input an integer..\nPlease re-enter your information");
}
} else {
System.out.println("The username that you want already exist!\nPlease try another one.");
}
}
return user;
}