package util;



import play.Logger;

import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class MD5Util {
    private MD5Util() {
    }

    public static String hex(byte[] array) {
        StringBuilder sb = new StringBuilder();
        for (byte anArray : array) {
            sb.append(Integer.toHexString((anArray
                    & 0xFF) | 0x100).substring(1, 3));
        }
        return sb.toString();
    }

    public static String md5Hex(String message) {
        if (message == null) {
            return null;
        }
        try {
            MessageDigest md =
                    MessageDigest.getInstance("MD5");
            return hex(md.digest(message.getBytes("CP1252")));
        } catch (NoSuchAlgorithmException | UnsupportedEncodingException e) {
            //Should never happen, really
            Logger.error(e, e.getMessage());
        }
        return null;
    }
}