private static void EmitFactoryResolverError(IFactoryResolver resolver)
{
var msg = "The factory resolver " + resolver.GetType().Name
+ " returned null from GetFactory(). The fallback no operation logger factory will be used instead.";
EventLogHelper.WriteEntry(msg, null);
}
private static void PerformInitialization()
{
try
{
if (_factoryResolver == null)
{
_factoryResolver = new AppConfigFactoryResolver();
}
var factory = _factoryResolver.GetFactory();
if (factory == null)
{
_initializationState = InitializationState.NOP_Fallback;
EmitFactoryResolverError(_factoryResolver);
return;
}
_initializationState = InitializationState.Initialized;
EmitSubstituteLoggerWarning();
}
catch (Exception ex)
{
_initializationState = InitializationState.NOP_Fallback;
try
{
EventLogHelper.WriteEntry("Error initializing LoggerFactory. Defaulting to no-operation (NOP) logger implementation.", ex);
}
catch { }
}
}
private static void EmitSubstituteLoggerWarning()
{
var loggerNameList = _tempFactory.GetLoggerNameList();
if (loggerNameList.Length == 0)
{
return;
}
var msg = "The following loggers will not work because the were created during the default configuration phase of the underlying logging system: "
+ string.Join(", ", loggerNameList);
EventLogHelper.WriteEntry(msg, null);
}