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#region Copyright notice and license
// Copyright 2015, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#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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