PassWordGenerator.java

import java.security.SecureRandom;
import java.util.Scanner;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.io.IOException;

public class PassWordGenerator {

    private static final Scanner sc = new Scanner(System.in);
    private static String website;
    private static String username;
    private static int length;
    private static String password;  // guarda a password gerada

    public static void main(String[] args) {
        receiveParameters();
        passwordLength();
        createPassword();
        printPassword();
        PasswordSaver.savePassword(website, username, password);
        while(generateAnother()){
            createPassword();
            printPassword();
            PasswordSaver.savePassword(website, username, password);
        }
        sc.close();
        System.out.println("Programa terminado.");
    }

    public static void receiveParameters(){
        System.out.println("Digite o endereço do website");
        website = sc.nextLine();
        System.out.println("Indique o nome de utilizador/email");
        username = sc.nextLine();
    }

    public static void passwordLength(){
        System.out.println("Indique o tamanho desejado da password entre 8 e 16 carateres");
        length = sc.nextInt();

        if(length < 8 || length > 16){
            System.out.println("O tamanho da palavra passe deve estar entre 8 e 16");
            sc.nextLine(); // limpar buffer do scanner
            passwordLength();
        }
    }

    public static void createPassword(){
        password = Password.generateRandomPassword(length);
    }

    public static void printPassword(){
        System.out.println("Resumo:");
        System.out.println("Website: " + website);
        System.out.println("Username: " + username);
        System.out.println("Password: " + password);
    }

    public static boolean generateAnother(){
        System.out.println("Deseja gerar outra palavra passe para esta conta? (sim/não)");
        sc.nextLine(); // consumir o resto da linha anterior
        String resposta = sc.nextLine().trim().toLowerCase();
        return resposta.equals("sim");
    }
}