}
        } else if (updatePolicy.startsWith(UPDATE_POLICY_INTERVAL)) {
            String s = updatePolicy.substring(UPDATE_POLICY_INTERVAL.length() + 1);
            int minutes = Integer.parseInt(s);
            Calendar cal = Calendar.getInstance();
            cal.add(Calendar.MINUTE, -minutes);
            if (cal.getTime().after(lastModified)) {
                checkForUpdates = true;
            }

        addZeroTokens(valueTokens, 3);
        addZeroTokens(rangeValueTokens, 3);

        for (int i = 0; i < 3; i++) {
            int x = Integer.parseInt(valueTokens.get(i));
            int y = Integer.parseInt(rangeValueTokens.get(i));
            if (x < y) {
                return -1;
            } else if (x > y) {
                return 1;
            }
        }