Roman Numeral Kata

import java.util.Map;
import java.util.SortedMap;
import java.util.TreeMap;

/**
 * @author deliveryninja
 *
 * Given a numeral from 1 to 3000 this will return the Roman
 * numberal equivalent.
 *
 * @param numeral
 * @return
 */
public class Roman {

    public enum RomanNumeral{
        M(1000),
        CM(900),
        D(500),
        CD(400),
        C(100),
        XC(90),
        L(50),
        XL(40),
        X(10),
        IX(9),
        V(5),
        IV(4),
        I(1);

        private int value;

        RomanNumeral(int value){
            this.value = value;
        }

        public int getIntegerValue() {
            return value;
        }
    }

    public String romanize(int numeral) {
        StringBuffer result = new StringBuffer();
        for(RomanNumeral romanNumeral : RomanNumeral.values()){
            while(numeral >= romanNumeral.getIntegerValue()){
                result.append(romanNumeral);
                numeral -= romanNumeral.getIntegerValue();
            }
        }
        return result.toString();
    }

}