gelf4net.Layout.GelfLayout.AddLoggingEventToMessage C# (CSharp) Метод

        private void AddLoggingEventToMessage(LoggingEvent loggingEvent, GelfMessage gelfMessage)
        {
            //If conversion pattern is specified then defer to PatterLayout for building the message body
            if (!string.IsNullOrWhiteSpace(ConversionPattern))
            {
                var message = GetValueFromPattern(loggingEvent, ConversionPattern);
                gelfMessage.FullMessage = message;
                gelfMessage.ShortMessage = message.TruncateMessage(SHORT_MESSAGE_LENGTH);
            }
            else //Otherwise do our custom message builder stuff
            {
                var messageObject = loggingEvent.MessageObject;
                if (messageObject == null)
                {
                    if (!string.IsNullOrEmpty(loggingEvent.RenderedMessage))
                    {
                        if (loggingEvent.RenderedMessage.ValidateJSON())
                        {
                            AddToMessage(gelfMessage, loggingEvent.RenderedMessage.ToJson().ToDictionary());
                        }

                        gelfMessage.FullMessage = !string.IsNullOrEmpty(gelfMessage.FullMessage) ? gelfMessage.FullMessage : loggingEvent.RenderedMessage;
                        gelfMessage.ShortMessage = !string.IsNullOrEmpty(gelfMessage.ShortMessage) ? gelfMessage.ShortMessage : gelfMessage.FullMessage.TruncateMessage(SHORT_MESSAGE_LENGTH);

                        return;
                    }
                    gelfMessage.FullMessage = SystemInfo.NullText;
                    gelfMessage.ShortMessage = SystemInfo.NullText;
                }

                if (messageObject is string || messageObject is SystemStringFormat)
                {
                    var fullMessage = messageObject.ToString();
                    gelfMessage.FullMessage = fullMessage;
                    gelfMessage.ShortMessage = fullMessage.TruncateMessage(SHORT_MESSAGE_LENGTH);
                }
                else if (messageObject is IDictionary)
                {
                    AddToMessage(gelfMessage, messageObject as IDictionary);
                }
                else
                {
                    AddToMessage(gelfMessage, messageObject.ToDictionary());
                }

                gelfMessage.FullMessage = !string.IsNullOrEmpty(gelfMessage.FullMessage) ? gelfMessage.FullMessage : messageObject.ToString();
                gelfMessage.ShortMessage = !string.IsNullOrEmpty(gelfMessage.ShortMessage) ? gelfMessage.ShortMessage : gelfMessage.FullMessage.TruncateMessage(SHORT_MESSAGE_LENGTH);
            }

            if (LogStackTraceFromMessage && loggingEvent.ExceptionObject != null)
            {
                gelfMessage.FullMessage = string.Format("{0} - {1}.", gelfMessage.FullMessage, loggingEvent.GetExceptionString());
            }
        }