Method isValidDomainName

lib/java/net/URI.java:613–636

(String host)

        }

        private boolean isValidDomainName(String host) {
            try {
                URIEncoderDecoder.validateSimple(host, "-."); //$NON-NLS-1$
            } catch (URISyntaxException e) {
                return false;
            }

            String label = null;
            StringTokenizer st = new StringTokenizer(host, "."); //$NON-NLS-1$
            while (st.hasMoreTokens()) {
                label = st.nextToken();
                if (label.startsWith("-") || label.endsWith("-")) { //$NON-NLS-1$ //$NON-NLS-2$
                    return false;
                }
            }

            if (!label.equals(host)) {
                char ch = label.charAt(0);
                if (ch >= '0' && ch <= '9') {
                    return false;
                }
            }
            return true;
        }

        private boolean isValidIPv4Address(String host) {
            int index;