Bridge_FileLogger.cpp

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#include <iostream>
#include <fstream>
 
#include "Bridge_FileLogger.h"
#include "Bridge_LoggerHelpers.h"
 
namespace // Anonymous
{
    class FileLoggerImpl : public DesignPatternExamples_cpp::ILogger
    {
    private:
        std::ofstream _outputFile;
 
    private:
 
        void _WriteLine(const std::string& logLevel, const std::string& msg)
        {
            if (_outputFile.is_open())
            {
                std::string output = DesignPatternExamples_cpp::LoggerHelpers::FormatLogLine(logLevel, msg);
                _outputFile << output << std::endl;
            }
 
        }
 
    public:
        FileLoggerImpl(const std::string& filename)
        {
            if (!filename.empty())
            {
                _outputFile.open(filename.c_str(), std::ofstream::out);
                if (!_outputFile.is_open())
                {
 
                }
            }
        }
 
        // ILogger Members
 
        void LogTrace(const std::string& msg)
        {
            _WriteLine("TRACE", msg);
        }
 
        void LogInfo(const std::string& msg)
        {
            _WriteLine("INFO ", msg);
        }
 
        void LogError(const std::string& msg)
        {
            _WriteLine("ERROR", msg);
        }
    };
 
} // end anonymous namespace
 
 
namespace DesignPatternExamples_cpp
{
    std::unique_ptr<ILogger> FileLogger::CreateLogger(const std::string& filename)
    {
        return std::make_unique<FileLoggerImpl>(filename);
    }
 
} // end namespace