public static ILog GetCustomLogger(string loggerName, string category = null, bool additivity = false)
{
return(loggerContainer.GetOrAdd(loggerName, delegate(string name)
{
RollingFileAppender newAppender = null;
ReadParamAppender appender = null;
if (appenderContainer.ContainsKey(loggerName))
{
appender = appenderContainer[loggerName];
newAppender = GetNewFileApender(loggerName, string.IsNullOrEmpty(appender.File) ? GetFile(category, loggerName) : appender.File, appender.MaxSizeRollBackups,
appender.AppendToFile, true, appender.MaximumFileSize, RollingFileAppender.RollingMode.Composite, appender.DatePattern, appender.LayoutPattern);
}
else
{
newAppender = GetNewFileApender(loggerName, GetFile(category, loggerName), MAX_SIZE_ROLL_BACKUPS, true, true, MAXIMUM_FILE_SIZE, RollingFileAppender.RollingMode.Composite,
DATE_PATTERN, LAYOUT_PATTERN);
}
log4net.Repository.Hierarchy.Hierarchy repository = (log4net.Repository.Hierarchy.Hierarchy)LogManager.GetRepository();
log4net.Repository.Hierarchy.Logger logger = repository.LoggerFactory.CreateLogger(repository, loggerName);
logger.Hierarchy = repository;
logger.Parent = repository.Root;
logger.Level = GetLoggerLevel(appender == null ? LEVEL : appender.Level);
logger.Additivity = additivity;
logger.AddAppender(newAppender);
logger.Repository.Configured = true;
return new LogImpl(logger);
}));
}
//读取配置文件并缓存
static CustomRollingFileLogger()
{
IAppender[] appenders = LogManager.GetRepository().GetAppenders();
for (int i = 0; i < appenders.Length; i++)
{
if (appenders[i] is ReadParamAppender)
{
ReadParamAppender appender = (ReadParamAppender)appenders[i];
if (appender.MaxSizeRollBackups == 0)
{
appender.MaxSizeRollBackups = MAX_SIZE_ROLL_BACKUPS;
}
if (appender.Layout != null && appender.Layout is log4net.Layout.PatternLayout)
{
appender.LayoutPattern = ((log4net.Layout.PatternLayout)appender.Layout).ConversionPattern;
}
if (string.IsNullOrEmpty(appender.LayoutPattern))
{
appender.LayoutPattern = LAYOUT_PATTERN;
}
if (string.IsNullOrEmpty(appender.DatePattern))
{
appender.DatePattern = DATE_PATTERN;
}
if (string.IsNullOrEmpty(appender.MaximumFileSize))
{
appender.MaximumFileSize = MAXIMUM_FILE_SIZE;
}
if (string.IsNullOrEmpty(appender.Level))
{
appender.Level = LEVEL;
}
lock (lockObj)
{
appenderContainer[appenders[i].Name] = appender;
}
}
}
}
