Tp.Integration.Plugin.Common.Activity.PluginRollingFileAppender.InitializeFromOneFile C# (CSharp) Method

		private void InitializeFromOneFile(string baseFile, string curFileName)
		{
			using (SecurityContext.Impersonate(this))
			{
				if (!curFileName.StartsWith(baseFile.GetFileNameWithoutExtension()) || curFileName.Equals(baseFile))
				{
					return;
				}
			}

			int num1 = curFileName.LastIndexOf(".");

			if (0 > num1)
			{
				return;
			}

			if (_staticLogFileName)
			{
				int num2 = curFileName.Length - num1;
				string datePart;

				using (SecurityContext.Impersonate(this))
				{
					datePart = ActivityLogFile.GetDatePart(curFileName);
				}

				if (baseFile.Length + num2 != curFileName.Length - datePart.Length - 1)
				{
					return;
				}
			}

			if (_rollDate && !_staticLogFileName)
			{
				if (
					!curFileName.StartsWith(baseFile +
					                        _dateTime.Now.ToString(ActivityLogFile.FileDatePattern, DateTimeFormatInfo.InvariantInfo)))
				{
					LogLog.Debug("RollingFileAppender: Ignoring file [" + curFileName + "] because it is from a different date period");
					return;
				}
			}

			try
			{
				int val;

				if (SystemInfo.TryParse(curFileName.Substring(num1 + 1), out val) && val > _curSizeRollBackups)
				{
					if (0 != _maxSizeRollBackups)
					{
						if (-1 == _maxSizeRollBackups)
						{
							_curSizeRollBackups = val;
						}
						else if (_countDirection >= 0)
						{
							_curSizeRollBackups = val;
						}
						else if (val <= _maxSizeRollBackups)
						{
							_curSizeRollBackups = val;
						}
					}

					LogLog.Debug("RollingFileAppender: File name [" + curFileName + "] moves current count to [" + _curSizeRollBackups +
					             "]");
				}
			}
			catch (FormatException)
			{
				LogLog.Debug("RollingFileAppender: Encountered a backup file not ending in .x [" + curFileName + "]");
			}
		}