Microsoft.AspNet.SignalR.AuthorizeAttribute.SplitString C# (CSharp) Méthode

        private static string[] SplitString(string original)
        {
            if (String.IsNullOrEmpty(original))
            {
                return new string[0];
            }

            var split = from piece in original.Split(',')
                        let trimmed = piece.Trim()
                        where !String.IsNullOrEmpty(trimmed)
                        select trimmed;
            return split.ToArray();
        }
    }