protected boolean isValidIpAddress()

in src/main/java/org/apache/commons/validator/EmailValidator.java [125:147]

• 19 lines of code
• 6 McCabe index (conditional complexity)

    protected boolean isValidIpAddress(final String ipAddress) {
        final Matcher ipAddressMatcher = IP_DOMAIN_PATTERN.matcher(ipAddress);
        for (int i = 1; i <= 4; i++) { // CHECKSTYLE IGNORE MagicNumber
            final String ipSegment = ipAddressMatcher.group(i);
            if (ipSegment == null || ipSegment.isEmpty()) {
                return false;
            }

            int iIpSegment = 0;

            try {
                iIpSegment = Integer.parseInt(ipSegment);
            } catch (final NumberFormatException e) {
                return false;
            }

            if (iIpSegment > 255) { // CHECKSTYLE IGNORE MagicNumber
                return false;
            }

        }
        return true;
    }