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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* 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.
*
*=========================================================================*/
#ifndef itkLoggerManager_h
#define itkLoggerManager_h
#include "itkObject.h"
#include "itkObjectFactory.h"
#include "itkThreadLogger.h"
#include <string>
#include <map>
namespace itk
{
/** \class LoggerManager
* \brief Used for centrally managing loggers.
*
* \author Hee-Su Kim, Compute Science Dept. Kyungpook National University,
* ISIS Center, Georgetown University.
*
*
* \ingroup OSSystemObjects LoggingObjects
*
* \ingroup ITKCommon
*/
class ITKCommon_EXPORT LoggerManager : public Object
{
public:
using Self = LoggerManager;
using Superclass = Object;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(LoggerManager);
/** New macro for creation of through a Smart Pointer */
itkNewMacro(Self);
using PriorityLevelEnum = Logger::PriorityLevelEnum;
using OutputType = Logger::OutputType;
using LoggerPointer = Logger::Pointer;
using ThreadLoggerPointer = ThreadLogger::Pointer;
using NameType = std::string;
/** create a logger and add it into LoggerManager */
LoggerPointer
CreateLogger(const NameType & name,
PriorityLevelEnum level,
PriorityLevelEnum levelForFlushing = LoggerBase::PriorityLevelEnum::MUSTFLUSH);
/** create a thread logger and add it into LoggerManager */
ThreadLoggerPointer
CreateThreadLogger(const NameType & name,
PriorityLevelEnum level,
PriorityLevelEnum levelForFlushing = LoggerBase::PriorityLevelEnum::MUSTFLUSH);
/** Registers a logger */
void
AddLogger(const NameType & name, Logger * logger);
Logger *
GetLogger(const NameType & name);
void
SetPriorityLevel(PriorityLevelEnum level);
void
SetLevelForFlushing(PriorityLevelEnum level);
void
AddLogOutput(OutputType * output);
void
Write(PriorityLevelEnum level, std::string const & content);
void
Flush();
protected:
/** Constructor */
LoggerManager() = default;
/** Destructor */
~LoggerManager() override = default;
/** Print contents of a LoggerManager */
void
PrintSelf(std::ostream & os, Indent indent) const override;
private:
std::map<NameType, LoggerPointer> m_LoggerSet{};
}; // class Logger
} // namespace itk
#endif // itkLoggerManager_h
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