/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0""

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  This class provide log functionality.

*

*/

#ifndef LOGGER_H

#define LOGGER_H

#include <QObject>

#include <QSettings>

#include <loggerglobal.h>

class LogOutput;

class QSettings;

class LoggerPrivate;

/*

configuration format:

    [myapplog]

    logDateTime = 1

    logLoggerName = 1

    datetimeformat = hh:mm:ss

    output = debugoutput consoleoutput fileoutput

    fileoutput/logfile = C:/data/log/myapp.log

    fileoutput/truncate = 1

code examples:

    QSettings settings("myapp.ini",QSettings::IniFormat);

    Logger::instance("myapplog")->configure(settings);

    Logger::instance("myapplog")->log("Hello world!");

*/

class LOGGER_EXPORT Logger : public QObject

{

    Q_OBJECT

    Q_PROPERTY(bool logDateTime READ logDateTime WRITE setLogDateTime)

    Q_PROPERTY(bool logLoggerName READ logLoggerName WRITE setLogLoggerName)

    Q_PROPERTY(QString dateTimeFormat READ dateTimeFormat WRITE setDateTimeFormat)

public:

    static Logger *instance(const QString &name);	

    static void close(const QString &name);

    static void closeAll();

public:

    virtual ~Logger();

    void log(const QString &log);

    void configure(const QString &configFile,QSettings::Format format = QSettings::NativeFormat);

    void configure(QSettings &settings);

    bool addLogOutput(LogOutput *output);

    void removeLogOutput(LogOutput *output);

    LogOutput *logOutput(const QString &name);

    void clearAllLogOutput();

    QString name() const;

    bool logDateTime() const;

    void setLogDateTime(bool on);

    bool logLoggerName() const;

    void setLogLoggerName(bool on);

    QString dateTimeFormat() const;

    void setDateTimeFormat(const QString &format);

private:

    explicit Logger(const QString &name = QString(),QObject *parent = 0);

    LoggerPrivate *d_ptr;

};

class InitLoggerHelper

{

public:

    InitLoggerHelper(const QString &loggerName,const QString &configPath)

    : mLoggerName(loggerName)

    {

        Logger::instance(loggerName)->configure(configPath,QSettings::IniFormat);

    }

    ~InitLoggerHelper() {

        Logger::close(mLoggerName);

    }

private:

    QString mLoggerName;

};

class LogFunctionEntryHelper

{

public:

    LogFunctionEntryHelper(const QString &loggerName,const QString &func)

    : mLoggerName(loggerName), mFunc(func)

    {

        Logger::instance(mLoggerName)->log(QLatin1String(">>>> ") + mFunc);

    }

    ~LogFunctionEntryHelper()

    {

        Logger::instance(mLoggerName)->log(QLatin1String("<<<< ") + mFunc);

    }

private:

    QString mLoggerName;

    QString mFunc;

};

#define INIT_LOGGER(loggerName,configPath) \

    InitLoggerHelper __init##loggerName(loggerName,configPath);

#endif //LOGGER_H