DTLib/DTLib/Logging/FileLogger.cs

52 lines
1.5 KiB
C#

namespace DTLib.Logging;
public class FileLogger : IDisposable
{
public FileLogger(string logfile)
{
LogfileName = logfile;
LogfileStream = File.OpenAppend(logfile);
}
public FileLogger(string dir, string programName)
: this($"{dir}{Path.Sep}{programName}_{DateTime.Now.ToString(MyTimeFormat.ForFileNames)}.log") { }
public string LogfileName { get; protected set; }
public System.IO.FileStream LogfileStream { get; protected set; }
protected string LastLogMessageTime;
public virtual void Log(params string[] msg)
{
lock (LogfileStream)
{
LastLogMessageTime = DateTime.Now.ToString(MyTimeFormat.ForText);
LogfileStream.FluentWriteString("[")
.FluentWriteString(LastLogMessageTime)
.FluentWriteString("]: ");
if (msg.Length == 1)
LogfileStream.FluentWriteString(msg[0]);
else
{
var strb = new StringBuilder();
for (ushort i = 1; i < msg.Length; i += 2)
strb.Append(msg[i]);
LogfileStream.FluentWriteString(strb.ToString());
}
LogfileStream.FluentWriteString("\n").Flush();
}
}
public virtual void Dispose()
{
try
{
LogfileStream?.Flush();
LogfileStream?.Close();
}
catch (ObjectDisposedException) { }
}
~FileLogger() => Dispose();
}