aspnetcore/src/Microsoft.Net.Http.Server/NullLogger.cs

52 lines
1.5 KiB
C#

// Copyright (c) Microsoft Open Technologies, Inc.
// All Rights Reserved
//
// 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
//
// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
// WITHOUT LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF
// TITLE, FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABLITY OR
// NON-INFRINGEMENT.
// See the Apache 2 License for the specific language governing
// permissions and limitations under the License.
using System;
using Microsoft.Extensions.Logging;
namespace Microsoft.Net.Http.Server
{
internal class NullLogger : ILogger
{
public static readonly NullLogger Instance = new NullLogger();
public IDisposable BeginScope<TState>(TState state)
{
return NullDisposable.Instance;
}
public void Log<TState>(LogLevel logLevel, EventId eventId, TState state, Exception exception, Func<TState, Exception, string> formatter)
{
}
public bool IsEnabled(LogLevel logLevel)
{
return false;
}
private class NullDisposable : IDisposable
{
public static readonly NullDisposable Instance = new NullDisposable();
public void Dispose()
{
// intentionally does nothing
}
}
}
}