package net.bunnie.uva.cs101;

import java.io.PrintStream;
import java.util.Scanner;

public class YesNoExtractor
{

    public final boolean YES = true;
    public final boolean NO = false;
    private Scanner stdin;

    public YesNoExtractor()
    {
        stdin = new Scanner(System.in);
    }

    public boolean askUser(String s)
    {
        do
        {
            System.out.print((new StringBuilder()).append(s).append(" (y/n) ").toString());
            String s1 = stdin.next();
            if(s1.compareToIgnoreCase("y") == 0 || s1.compareToIgnoreCase("yes") == 0)
            {
                return true;
            }
            if(s1.compareToIgnoreCase("n") == 0 || s1.compareToIgnoreCase("no") == 0)
            {
                return false;
            }
            if(s1.compareToIgnoreCase("q") == 0 || s1.compareToIgnoreCase("quit") == 0)
            {
                System.out.println("Qutting.");
                System.exit(0);
                return false;
            }
            System.out.println("Please answer y, n, yes, or no");
        } while(true);
    }
}