private static Socket checkLocal()

in services/minho-jmx/src/main/java/org/apache/karaf/minho/jmx/ConnectorServerFactory.java [333:362]

28 lines of code
8 McCabe index (conditional complexity)


    private static Socket checkLocal(Socket socket) throws IOException {
        InetAddress addr = socket.getInetAddress();
        if (addr != null) {
            if (addr.isLoopbackAddress()) {
                return socket;
            } else {
                try {
                    Enumeration<NetworkInterface> nis = NetworkInterface.getNetworkInterfaces();
                    while (nis.hasMoreElements()) {
                        NetworkInterface ni = nis.nextElement();
                        Enumeration<InetAddress> ads = ni.getInetAddresses();
                        while (ads.hasMoreElements()) {
                            InetAddress ad = ads.nextElement();
                            if (ad.equals(addr)) {
                                return socket;
                            }
                        }
                    }
                } catch (SocketException e) {
                    // Ignore
                }
            }
        }
        try {
            socket.close();
        } catch (Exception e) {
            // Ignore
        }
        throw new IOException("Only connections from clients running on the host where the RMI remote objects have been exported are accepted.");
    }