/// <summary>
/// 记录一条日志
/// </summary>
/// <param name="entry">要记录的日志条目</param>
public virtual void LogEntry( LogEntry entry )
{
lock ( SyncRoot )
{
if ( LogFilter == null || LogFilter.Writable( entry ) )
WriteLog( entry );
}
}
protected override void WriteLogMessage( LogEntry entry, string[] contents )
{
foreach ( var line in contents )
Writer.WriteLine( line );
if ( TextLogFileManager.AutoFlush )
Writer.Flush();
}
protected override void WriteLogMessage( LogEntry entry, string[] contents )
{
lock ( _sync )
{
foreach ( var line in contents )
Console.WriteLine( line );
}
}
/// <summary>
/// 重写 Writable 方法，确认日志条目是否由指定的日志源产生
/// </summary>
/// <param name="entry">要检查的日志条目</param>
/// <returns>日志条目是否由指定的日志源产生</returns>
public override bool Writable( LogEntry entry )
{
var source = entry.MetaData.LogSource();
if ( source == null )
return false;
return string.Equals( SourceName, source.Name, StringComparison.OrdinalIgnoreCase );
}
/// <summary>
/// 重写 WriteLogMessage 方法将日志写入文本文件
/// </summary>
/// <param name="entry">日志条目对象</param>
/// <param name="lines">要写入的文本行</param>
protected override void WriteLogMessage( LogEntry entry, string[] lines )
{
var path = GetFilepath( entry );
var build = new StringBuilder();
foreach ( var l in lines )
{
build.Append( l );
build.Append( Environment.NewLine );
}
TextLogFileManager.WriteText( path, build.ToString(), Encoding, entry.LogType().Serverity >= LogType.Error.Serverity );
}
/// <summary>
/// 重写 WriteLogMessage 方法，在控制台输出日志信息
/// </summary>
/// <param name="entry">日志条目</param>
/// <param name="contents">要显示的文本内容</param>
protected override void WriteLogMessage( LogEntry entry, string[] contents )
{
lock ( _sync )
{
var foreColor = Console.ForegroundColor;
var backColor = Console.BackgroundColor;
SetColor( entry );
Console.Write( string.Join( Environment.NewLine, contents ) );
Console.ForegroundColor = foreColor;
Console.BackgroundColor = backColor;
Console.WriteLine();
}
}
private void SetColor( LogEntry entry )
{
if ( entry.MetaData.LogType().Serverity <= LogType.Info.Serverity )
Console.ForegroundColor = ConsoleColor.Gray;
else if ( entry.MetaData.LogType().Serverity <= LogType.ImportantInfo.Serverity )
Console.ForegroundColor = ConsoleColor.White;
else if ( entry.MetaData.LogType().Serverity <= LogType.Warning.Serverity )
Console.ForegroundColor = ConsoleColor.Yellow;
else if ( entry.MetaData.LogType().Serverity <= LogType.Error.Serverity )
Console.ForegroundColor = ConsoleColor.Red;
else
{
Console.ForegroundColor = ConsoleColor.Yellow;
Console.BackgroundColor = ConsoleColor.Red;
}
}
/// <summary>
/// 对所有的日志记录器同时写入日志条目
/// </summary>
/// <param name="entry">要记录的日志条目</param>
protected override void WriteLog( LogEntry entry )
{
List<Exception> exceptions = new List<Exception>();
foreach ( var logger in Loggers )
{
try
{
logger.LogEntry( entry );
}
catch ( Exception e )
{
if ( ThrowExceptions )
exceptions.Add( e );
}
}
if ( exceptions.Any() )
throw new AggregateException( exceptions.ToArray() );
}
/// <summary>
/// 重写 LogEntry 方法，交由内联日志记录器记录
/// </summary>
/// <param name="entry">要记录的日志条目</param>
public override void LogEntry( LogEntry entry )
{
if ( InnerLogger == null )
throw new InvalidOperationException();
try
{
InnerLogger.LogEntry( entry );
}
catch ( Exception e )
{
try
{
if ( ExceptionLogger != null )
ExceptionLogger.LogException( e );
}
catch { }
throw;
}
}
/// <summary>
/// 获取日志文件路径
/// </summary>
/// <param name="entry">要记录的日志条目</param>
/// <returns>日志文件路径</returns>
protected override string GetFilepath( LogEntry entry )
{
var path = _filenameProvider.GetName( entry );
return Path.Combine( basePath, path );
}
/// <summary>
/// 重写 GetPadding 方法，返回空字符串，在控制台显示时取消填充
/// </summary>
/// <param name="entry">当前要记录的日志条目</param>
/// <returns>永远返回空字符串</returns>
protected override string GetPadding( LogEntry entry )
{
return "";
}
/// <summary> /// 由派生类实现，编写一条日志 /// </summary> /// <param name="entry">要编写的日志条目</param> public abstract void LogEntry( LogEntry entry );
public override bool Writable( LogEntry entry )
{
return LogType.Equals( entry.LogType() );
}
/// <summary>
/// 使用指定的前缀写入多行日志
/// </summary>
/// <param name="padding">填充字符串，将会添加在每一行日志的前面</param>
/// <param name="message">日志消息</param>
protected virtual void Write( LogEntry entry, string padding, string message )
{
var messageLines = SplitMultiLine( message );
if ( messageLines.Length == 1 )
{
WriteLogMessage( entry, new[] { padding + " " + messageLines[0] } );
return;
}
for ( int i = 0; i < messageLines.Length; i++ )
{
if ( i == 0 )
messageLines[i] = padding + "/" + messageLines[i];
else if ( i == messageLines.Length - 1 )
messageLines[i] = padding + "\\" + messageLines[i];
else
messageLines[i] = padding + "|" + messageLines[i];
}
WriteLogMessage( entry, messageLines );
}
public override string GetName( LogEntry entry )
{
return _text;
}
public override string GetName( LogEntry entry )
{
return entry.LogDate.ToString( "yyyy-MM" );
}
/// <summary> /// 确定指定的日志条目是否需要记录 /// </summary> /// <param name="entry">日志条目</param> /// <returns>是否需要记录</returns> public abstract bool Writable( LogEntry entry );
public override void LogEntry( LogEntry entry )
{
if ( Filter.Writable( entry ) )
InnerLogger.LogEntry( entry );
}
public override void LogEntry( LogEntry entry )
{
entry = entry.SetMetaData( Source );
InnerLogger.LogEntry( entry );
}
/// <summary>
/// 获取日志消息的填充，将会自动添加在日志消息的每一行的开头
/// </summary>
/// <param name="entry">当前要记录的日志</param>
/// <returns>当前日志消息的填充</returns>
protected virtual string GetPadding( LogEntry entry )
{
return GetTypePrefix( entry.MetaData.Type ) + " " + entry.LogDate.ToString( DateTimeFormatString ) + " ";
}
/// <summary> /// 派生类实现此方法写入日志 /// </summary> /// <param name="contents">日志内容行</param> protected abstract void WriteLogMessage( LogEntry entry, string[] contents );
/// <summary>
/// 写入一条日志信息
/// </summary>
/// <param name="entry"></param>
protected override void WriteLog( LogEntry entry )
{
Write( entry, GetPadding( entry ), entry.Message );
}
protected abstract string GetFilepath( LogEntry entry );
public override bool Writable( LogEntry entry )
{
return LogType.Equals( entry.MetaData.Type );
}
protected override void WriteLogMessage( LogEntry entry, string[] lines )
{
var path = GetFilepath( entry );
Directory.CreateDirectory( Path.GetDirectoryName( path ) );
File.AppendAllLines( path, lines );
}
public override bool Writable( LogEntry entry )
{
var serverity = entry.MetaData.Type.Serverity;
return serverity >= MinServerity && serverity < MaxServerity;
}
/// <summary> /// 由派生类实现，编写一条日志 /// </summary> /// <param name="entry">要编写的日志条目</param> protected abstract void WriteLog( LogEntry entry );
public override bool Writable( LogEntry entry )
{
return Filters.Any( filter => filter.Writable( entry ) );
}
public override void LogEntry( LogEntry entry )
{
try
{
_logger.LogEntry( entry );
}
catch { }
}
public override bool Writable( LogEntry entry )
{
var serverity = entry.LogType().Serverity;
return serverity >= MinServerity && serverity < MaxServerity;
}