Method getTld

app/src/main/java/eu/faircode/email/UriHelper.java:153–177

(Context context, @NonNull String host)

    }

    static String getTld(Context context, @NonNull String host) {
        ensureSuffixList(context);

        String eval = host.toLowerCase(Locale.ROOT);
        while (true) {
            int d = eval.indexOf('.');
            String w = (d < 0 ? null : '*' + eval.substring(d));

            synchronized (suffixList) {
                if (suffixList.contains(eval))
                    return eval;
                if (suffixList.contains(w))
                    if (suffixList.contains('!' + eval))
                        return eval.substring(d + 1);
                    else
                        return eval;
            }

            int dot = eval.indexOf('.');
            if (dot < 0)
                return null;

            eval = eval.substring(dot + 1);
        }
    }

    static String getEmailUser(String address) {
        if (address == null)