vStationURM/Tools/Vinno.IdentificationCardApp/Logger.cs

using System;
using System.Text;
using System.IO;

namespace Vinno.IdentificationCardApp
{
    public class Logger
    {
        private static readonly object Locker = new object();
        private static string LogDir = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "IDCardToolLogs");
        static Logger()
        {
        }

        private static string FilePath
        {
            get { return Path.Combine(LogDir, DateTime.Now.ToString("yyyyMMdd") + ".txt"); }
        }


        private static void Write(string msg)
        {
            lock (Locker)
            {
                if (!File.Exists(FilePath))
                {
                    if (!Directory.Exists(LogDir))
                        Directory.CreateDirectory(LogDir);
                }

                using (var writer = new StreamWriter(FilePath, true, Encoding.UTF8))
                {
                    writer.WriteLine(msg);
                }
            }
        }

        public static void Debug(string msg)
        {
            msg = string.Format("[{0} {1}] : {2}", "Debug", DateTime.Now, msg);
            Write(msg);
        }

        public static void Info(string msg)
        {
            msg = string.Format("[{0} {1}] : {2}", "Info", DateTime.Now, msg);
            Write(msg);
        }

        public static void Error(string msg)
        {
            msg = string.Format("[{0} {1}] : {2}", "Error", DateTime.Now, msg);
            Write(msg);
        }

        public static void Error(string desc, Exception exception)
        {
            var msg = string.Format("[{0} {1}] : {2} {3}", "Error", DateTime.Now, desc, exception);
            Write(msg);
        }
    }
}