public static String encodePassword(String input){
    MessageDigest md;
    try {
        md = MessageDigest.getInstance("SHA-1");
        byte[] sha1hash = new byte[40];
        md.update(input.getBytes("iso-8859-1"), 0, input.length());
        sha1hash = md.digest();
        StringBuffer buf = new StringBuffer();
        for (int i = 0; i < sha1hash.length; i++) {
            int halfbyte = (sha1hash[i] >>> 4) & 0x0F;
            int two_halfs = 0;
            do {
                if ((0 <= halfbyte) && (halfbyte <= 9))
                    buf.append((char) ('0' + halfbyte));
                else
                    buf.append((char) ('a' + (halfbyte - 10)));
                halfbyte = sha1hash[i] & 0x0F;
            } while(two_halfs++ < 1);
        }
        input = buf.toString();
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    }
    return input;
}