Owin.Loader.DefaultLoader.GetTypeAndMethodNameForConfigurationString C# (CSharp) Method

        private static Tuple<Type, string> GetTypeAndMethodNameForConfigurationString(string configuration)
        {
            foreach (var hit in HuntForAssemblies(configuration))
            {
                var longestPossibleName = hit.Item1; // method or type name
                var assembly = hit.Item2;

                // try the longest 2 possibilities at most (because you can't have a dot in the method name)
                // so, typeName could specify a method or a type. we're looking for a type.
                foreach (var typeName in DotByDot(longestPossibleName).Take(2))
                {
                    var type = assembly.GetType(typeName, false);
                    if (type == null)
                    {
                        // must have been a method name (or doesn't exist), next!
                        continue;
                    }

                    var methodName = typeName == longestPossibleName
                        ? null
                        : longestPossibleName.Substring(typeName.Length + 1);

                    return new Tuple<Type, string>(type, methodName);
                }
            }
            return null;
        }