package org.se.lab;

public class Validator
{
    public boolean isValidString(String s)
    {
        boolean result;

        if(s == null || s.trim().length() == 0)
            result = false;
        else
            result = true;
        return result;
    }
    /*
    genau die gleiche methode wie oben nach dem ich
    alle unn�tigen Zeilen entfernt habe =)

    public boolean isValidString(String s)
    {
        return !(s == null || s.trim().length() == 0);
    }
    */

    public String toString(int i)
    {
        String result;
        switch(i)
        {
            case 0: result = "null";    break;
            case 1: result = "eins";    break;
            case 2: result = "zwei";    break;
            case 3: result = "drei";    break;
            case 4: result = "vier";    break;
            case 5: result = "f�nf";    break;
            case 6: result = "sechs";   break;
            case 7: result = "sieben";  break;
            case 8: result = "acht";    break;
            case 9: result = "neun";    break;
            default: throw new IllegalArgumentException("Invalid number!");
        }
        return result;
    }
}