glc_tracelog.cpp

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/****************************************************************************

 This file is part of the GLC-lib library.
 Copyright (C) 2005-2008 Laurent Ribon (laumaya@users.sourceforge.net)
 http://glc-lib.sourceforge.net

 GLC-lib is free software; you can redistribute it and/or modify
 it under the terms of the GNU Lesser General Public License as published by
 the Free Software Foundation; either version 3 of the License, or
 (at your option) any later version.

 GLC-lib is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public License
 along with GLC-lib; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

 *****************************************************************************/

#include "glc_tracelog.h"

#include <QDir>
#include "glc_global.h"
#include <QMutexLocker>

GLC_TraceLog* GLC_TraceLog::m_pTraceLog= NULL;
QMutex GLC_TraceLog::m_Mutex;
bool GLC_TraceLog::m_IsEnable= false;

GLC_TraceLog::GLC_TraceLog(const QString& fullLogFileName)
: GLC_Log(fullLogFileName)
{

}

GLC_TraceLog::~GLC_TraceLog()
{

}

GLC_TraceLog* GLC_TraceLog::instance(QString baseName)
{
        if (NULL == m_pTraceLog)
        {
                if (baseName.isEmpty())
                {
                        QString fileName(QApplication::applicationName());
                        if (fileName.isEmpty())
                        {
                                baseName= "GLC_lib_TraceLog";
                        }
                        else
                        {
                                baseName= fileName + "_TraceLog";
                        }
                }
                QString logFileName(QDir::tempPath() + QDir::separator() + baseName);
                m_pTraceLog= new GLC_TraceLog(logFileName);
                m_pTraceLog->writeHeader();
        }
        return m_pTraceLog;
}

bool GLC_TraceLog::isEmpty()
{
        return (NULL == m_pTraceLog);
}

bool GLC_TraceLog::isEnable()
{
        return m_IsEnable;
}

void GLC_TraceLog::addTrace(const QStringList& traceDescription)
{
        if (m_IsEnable)
        {
                QMutexLocker locker(&m_Mutex);
                GLC_TraceLog::instance()->addSeparator();
                GLC_TraceLog::instance()->addCurrentTime();
                const int size= traceDescription.size();
                for (int i= 0; i < size; ++i)
                {
                        GLC_TraceLog::instance()->add(traceDescription.at(i));
                }
        }
}
void GLC_TraceLog::close()
{
        QMutexLocker locker(&m_Mutex);
        delete m_pTraceLog;
        m_pTraceLog= NULL;
}

void GLC_TraceLog::setEnabled(bool enable)
{
        m_IsEnable= enable;
}

void GLC_TraceLog::writeHeader()
{
        QString currentLine;
        currentLine= "Trace Log file";
        GLC_Log::m_TextStream << currentLine << '\n';
        currentLine= "Application " + QCoreApplication::applicationName();
        GLC_Log::m_TextStream << currentLine << '\n';
        currentLine= QDate::currentDate().toString(Qt::ISODate);
        GLC_Log::m_TextStream << currentLine << '\n';
        GLC_Log::m_TextStream.flush();
}