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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Tango.Logging
{
/// <summary>
/// Represents an <see cref="ILogger"/> file logger.
/// </summary>
/// <seealso cref="Tango.Logging.ILogger" />
public class FileLogger : ILogger
{
private DateTime _logFileDate;
/// <summary>
/// Gets the logs folder.
/// </summary>
public static String DefaultLogsFolder { get; private set; }
/// <summary>
/// Gets or sets the log file.
/// </summary>
public String LogFile { get; private set; }
/// <summary>
/// Gets the tag name which will be appended to the file.
/// </summary>
public String Tag { get; private set; }
/// <summary>
/// Gets or sets the log file folder.
/// </summary>
public String Folder { get; private set; }
/// <summary>
/// Initializes the <see cref="FileLogger"/> class.
/// </summary>
static FileLogger()
{
DefaultLogsFolder = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "Twine", "Tango", "Logs", Path.GetFileNameWithoutExtension(AppDomain.CurrentDomain.FriendlyName));
}
/// <summary>
/// Initializes a new instance of the <see cref="FileLogger"/> class.
/// </summary>
public FileLogger()
{
_isEnabled = true;
Tag = Path.GetFileNameWithoutExtension(AppDomain.CurrentDomain.FriendlyName);
Folder = DefaultLogsFolder;
Directory.CreateDirectory(Folder);
LogFile = CreateLogFileName();
}
/// <summary>
/// Initializes a new instance of the <see cref="FileLogger"/> class.
/// </summary>
/// <param name="folder">Logs folder path.</param>
/// <param name="tag">The tag name which will be appended to the file name.</param>
public FileLogger(String folder, String tag)
: this()
{
Folder = folder;
Tag = tag;
Directory.CreateDirectory(Folder);
LogFile = CreateLogFileName();
}
/// <summary>
/// Called when a new library trace is available.
/// </summary>
/// <param name="output">The output.</param>
public void OnLog(LogItemBase output)
{
try
{
if (DateTime.Now.Date > _logFileDate.Date)
{
File.AppendAllText(LogFile, Environment.NewLine + Environment.NewLine + "### This log file continues on the next log file ###" + Environment.NewLine);
LogFile = CreateLogFileName();
File.AppendAllText(LogFile, "### This log file is a continuation of a previous log file ###" + Environment.NewLine + Environment.NewLine);
}
File.AppendAllText(LogFile, output.ToString() + Environment.NewLine);
}
catch
{
Debug.WriteLine("Error Writing To Log File!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");
}
}
private bool _isEnabled;
/// <summary>
/// Gets or sets a value indicating whether this <see cref="ILogger" /> is enabled.
/// </summary>
public bool Enabled
{
get
{
return _isEnabled;
}
set
{
_isEnabled = value;
}
}
/// <summary>
/// Creates the name of the log file.
/// </summary>
/// <returns></returns>
private String CreateLogFileName()
{
_logFileDate = DateTime.Now.Date;
return Path.Combine(Folder, string.Format("{1}-{0:dd-MM-yyyy_HH-mm-ss}.log", DateTime.Now, Tag));
}
}
}
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