dbMango/Rms.Risk.Mango/Services/Logging/Log4NetToMicrosoftLoggerAppender.cs
Alexander Shabarshov 2a7a24c9e7 Initial contribution
2025-11-03 14:43:26 +00:00

65 lines
2.3 KiB
C#
Raw Permalink Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/*
* dbMango
*
* Copyright 2025 Deutsche Bank AG
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
using System.Collections.Concurrent;
using log4net.Appender;
using log4net.Core;
using ILogger = Microsoft.Extensions.Logging.ILogger;
namespace Rms.Risk.Mango.Services.Logging;
public class Log4NetToMicrosoftLoggerAppender(ILoggerFactory _loggerFactory) : AppenderSkeleton
{
private readonly ILoggerFactory _loggerFactory = _loggerFactory ?? throw new ArgumentNullException(nameof(_loggerFactory));
private readonly ConcurrentDictionary<string, ILogger> _loggerCache = new();
protected override void Append(LoggingEvent loggingEvent)
{
if (loggingEvent.Level == null || loggingEvent.LoggerName == null)
return;
// Get logger by name from the cache or create a new one
var logger = _loggerCache.GetOrAdd(loggingEvent.LoggerName, name => _loggerFactory.CreateLogger(name));
var logLevel = MapLogLevel(loggingEvent.Level);
var message = loggingEvent.RenderedMessage;
if (message == null)
return;
if (loggingEvent.ExceptionObject != null)
{
logger.Log(logLevel, loggingEvent.ExceptionObject, message);
}
else
{
logger.Log(logLevel, message);
}
}
private static LogLevel MapLogLevel(Level log4netLevel)
{
return log4netLevel == Level.Debug ? LogLevel.Debug :
log4netLevel == Level.Info ? LogLevel.Information :
log4netLevel == Level.Warn ? LogLevel.Warning :
log4netLevel == Level.Error ? LogLevel.Error :
log4netLevel == Level.Fatal ? LogLevel.Critical :
LogLevel.None;
}
}