Bukkit XP Level Calculation

public class Test {

    public static void main(String[] args) {
        // These values were derived from http://minecraft.gamepedia.com/Experience#leveling_up

        System.out.println(getMaxLevelForGivenXP(160)); // Should be 10
        System.out.println(getMaxLevelForGivenXP(550)); // Should be 20
        System.out.println(getMaxLevelForGivenXP(1395)); // Should be 30
        System.out.println(getMaxLevelForGivenXP(2920)); // Should be 40
    }

    public static int getMaxLevelForGivenXP(int xp) {
        int currentLevel = 0; // Keeps track of what XP level we are at
        int remainingXP = xp; // How much XP we have left to spend

        while (true) { // Infinite loop that will always break when finished
            int requiredForNextLevel; // This is based on what the current level is
            if (currentLevel <= 16) { // 0-16
                requiredForNextLevel = (2 * currentLevel) + 7;
            } else if (currentLevel >= 17 && currentLevel <= 31) { // 17-31
                requiredForNextLevel = (5 * currentLevel) - 38;
            } else { // 32+
                requiredForNextLevel = (9 * currentLevel) - 158;
            }

            if (remainingXP >= requiredForNextLevel) { // Check if we have enough XP for the next level
                remainingXP -= requiredForNextLevel; // We have enough, subtract the amount required from the remaining
                currentLevel++; // Add another level
            } else break; // We didn't have enough, we are at the max level available with the given XP
        }

        return currentLevel;
    }

}