System.Net.NetworkInformation.LinuxNetworkInterface.MapState C# (CSharp) Method

        private static OperationalStatus MapState(string state)
        {
            //
            // http://users.sosdg.org/~qiyong/lxr/source/Documentation/networking/operstates.txt?a=um#L41
            //
            switch (state)
            {
                case "unknown":
                    return OperationalStatus.Unknown;
                case "notpresent":
                    return OperationalStatus.NotPresent;
                case "down":
                    return OperationalStatus.Down;
                case "lowerlayerdown":
                    return OperationalStatus.LowerLayerDown;
                case "testing":
                    return OperationalStatus.Testing;
                case "dormant":
                    return OperationalStatus.Dormant;
                case "up":
                    return OperationalStatus.Up;
                default:
                    return OperationalStatus.Unknown;
            }
        }
    }