public List getInstancesByVipAddressAndAppName()

in eureka-client/src/main/java/com/netflix/discovery/DiscoveryClient.java [775:820]
39 lines of code
15 McCabe index (conditional complexity)

    public List<InstanceInfo> getInstancesByVipAddressAndAppName(
            String vipAddress, String appName, boolean secure) {

        List<InstanceInfo> result = new ArrayList<>();
        if (vipAddress == null && appName == null) {
            throw new IllegalArgumentException(
                    "Supplied VIP Address and application name cannot both be null");
        } else if (vipAddress != null && appName == null) {
            return getInstancesByVipAddress(vipAddress, secure);
        } else if (vipAddress == null && appName != null) {
            Application application = getApplication(appName);
            if (application != null) {
                result = application.getInstances();
            }
            return result;
        }

        String instanceVipAddress;
        for (Application app : getApplications().getRegisteredApplications()) {
            for (InstanceInfo instance : app.getInstances()) {
                if (secure) {
                    instanceVipAddress = instance.getSecureVipAddress();
                } else {
                    instanceVipAddress = instance.getVIPAddress();
                }
                if (instanceVipAddress == null) {
                    continue;
                }
                String[] instanceVipAddresses = instanceVipAddress
                        .split(COMMA_STRING);

                // If the VIP Address is delimited by a comma, then consider to
                // be a list of VIP Addresses.
                // Try to match at least one in the list, if it matches then
                // return the instance info for the same
                for (String vipAddressFromList : instanceVipAddresses) {
                    if (vipAddress.equalsIgnoreCase(vipAddressFromList.trim())
                            && appName.equalsIgnoreCase(instance.getAppName())) {
                        result.add(instance);
                        break;
                    }
                }
            }
        }
        return result;
    }