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#region Copyright notice and license
// Copyright 2015 gRPC authors.
//
// 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.
#endregion
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using Grpc.Core.Utils;
namespace Grpc.Core.Logging
{
/// <summary>Logger that filters out messages below certain log level.</summary>
public class LogLevelFilterLogger : ILogger
{
readonly ILogger innerLogger;
readonly LogLevel logLevel;
/// <summary>
/// Creates and instance of <c>LogLevelFilter.</c>
/// </summary>
public LogLevelFilterLogger(ILogger logger, LogLevel logLevel)
{
this.innerLogger = GrpcPreconditions.CheckNotNull(logger);
this.logLevel = logLevel;
}
/// <summary>
/// Returns a logger associated with the specified type.
/// </summary>
public virtual ILogger ForType<T>()
{
var newInnerLogger = innerLogger.ForType<T>();
if (object.ReferenceEquals(this.innerLogger, newInnerLogger))
{
return this;
}
return new LogLevelFilterLogger(newInnerLogger, logLevel);
}
/// <summary>Logs a message with severity Debug.</summary>
public void Debug(string message)
{
if (logLevel <= LogLevel.Debug)
{
innerLogger.Debug(message);
}
}
/// <summary>Logs a formatted message with severity Debug.</summary>
public void Debug(string format, params object[] formatArgs)
{
if (logLevel <= LogLevel.Debug)
{
innerLogger.Debug(format, formatArgs);
}
}
/// <summary>Logs a message with severity Info.</summary>
public void Info(string message)
{
if (logLevel <= LogLevel.Info)
{
innerLogger.Info(message);
}
}
/// <summary>Logs a formatted message with severity Info.</summary>
public void Info(string format, params object[] formatArgs)
{
if (logLevel <= LogLevel.Info)
{
innerLogger.Info(format, formatArgs);
}
}
/// <summary>Logs a message with severity Warning.</summary>
public void Warning(string message)
{
if (logLevel <= LogLevel.Warning)
{
innerLogger.Warning(message);
}
}
/// <summary>Logs a formatted message with severity Warning.</summary>
public void Warning(string format, params object[] formatArgs)
{
if (logLevel <= LogLevel.Warning)
{
innerLogger.Warning(format, formatArgs);
}
}
/// <summary>Logs a message and an associated exception with severity Warning.</summary>
public void Warning(Exception exception, string message)
{
if (logLevel <= LogLevel.Warning)
{
innerLogger.Warning(exception, message);
}
}
/// <summary>Logs a message with severity Error.</summary>
public void Error(string message)
{
if (logLevel <= LogLevel.Error)
{
innerLogger.Error(message);
}
}
/// <summary>Logs a formatted message with severity Error.</summary>
public void Error(string format, params object[] formatArgs)
{
if (logLevel <= LogLevel.Error)
{
innerLogger.Error(format, formatArgs);
}
}
/// <summary>Logs a message and an associated exception with severity Error.</summary>
public void Error(Exception exception, string message)
{
if (logLevel <= LogLevel.Error)
{
innerLogger.Error(exception, message);
}
}
}
}
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