public DNSLookupContinuation onDNSResponse()

in resolver/src/main/java/org/apache/james/jspf/terms/AMechanism.java [257:296]

31 lines of code
6 McCabe index (conditional complexity)


    public DNSLookupContinuation onDNSResponse(DNSResponse response, SPFSession spfSession)
        throws PermErrorException, TempErrorException, NoneException, NeutralException {
        List<String> listAData = null;
        try {
            listAData = response.getResponse();
        } catch (TimeoutException e) {
            throw new TempErrorException("Timeout querying dns server");
        }
        // no a records just return null
        if (listAData == null) {
            spfSession.setAttribute(Directive.ATTRIBUTE_MECHANISM_RESULT, Boolean.FALSE);
            return null;
        }

        Boolean ipv4check = (Boolean) spfSession.getAttribute(ATTRIBUTE_AMECHANISM_IPV4CHECK);
        if (ipv4check.booleanValue()) {

            IPAddr checkAddress = IPAddr.getAddress(spfSession.getIpAddress(),
                    getIp4cidr());

            if (checkAddressList(checkAddress, listAData, getIp4cidr())) {
                spfSession.setAttribute(Directive.ATTRIBUTE_MECHANISM_RESULT, Boolean.TRUE);
                return null;
            }

        } else {

            IPAddr checkAddress = IPAddr.getAddress(spfSession.getIpAddress(),
                    getIp6cidr());
            
            if (checkAddressList(checkAddress, listAData, getIp6cidr())) {
                spfSession.setAttribute(Directive.ATTRIBUTE_MECHANISM_RESULT, Boolean.TRUE);
                return null;
            }

        }
        
        spfSession.setAttribute(Directive.ATTRIBUTE_MECHANISM_RESULT, Boolean.FALSE);
        return null;
    }