public synchronized void config()

in resolver/src/main/java/org/apache/james/jspf/terms/IP4Mechanism.java [60:78]

• 18 lines of code
• 8 McCabe index (conditional complexity)

    public synchronized void config(Configuration params) throws PermErrorException {
        if (params.groupCount() == 0) {
            throw new PermErrorException("Missing ip");
        }
        String ipString = params.group(1);
        if (!isValidAddress(ipString)) {
            throw new PermErrorException("Invalid Address: " + ipString);
        }
        int maskLength = getMaxCidr();
        if (params.groupCount() >= 2 && params.group(2) != null) {
            String maskLengthString = params.group(2);
            maskLength = Integer.parseInt(maskLengthString);

            if (maskLength > getMaxCidr() || (maskLengthString.length() > 1 && maskLengthString.startsWith("0"))) {
                throw new PermErrorException("Invalid CIDR: " + maskLengthString);
            }
        }
        ip = IPAddr.getAddress(ipString, maskLength);
    }