Bridge_FIleLogger.cs

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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace DesignPatternExamples_csharp
{
    internal class FileLogger : ILogger, IDisposable
    {
        StreamWriter _outputFile;
        bool _disposed;
 
        public FileLogger(string filename)
        {
            _outputFile = File.CreateText(filename);
        }
 
        
        private void _WriteLine(string logLevel, string msg)
        {
            string output = LoggerHelpers.FormatLogLine(logLevel, msg);
            _outputFile.WriteLine(output);
        }
 
        #region ILogger Members
 
        void ILogger.LogTrace(string msg)
        {
            _WriteLine("TRACE", msg);
        }
 
        void ILogger.LogInfo(string msg)
        {
            _WriteLine("INFO ", msg);
        }
 
        void ILogger.LogError(string msg)
        {
            _WriteLine("ERROR", msg);
        }
 
        #endregion
 
        #region IDisposable Members
 
        void IDisposable.Dispose()
        {
            if (!_disposed)
            {
                _outputFile.Close();
                _disposed = true;
            }
        }
 
        #endregion
 
 
        public static ILogger CreateFileLogger(string filename)
        {
            return new FileLogger(filename);
        }
    }
}