qstmgesturelib/qstmfilelogger/qstmfilelogger.cpp
author hgs
Tue, 29 Jun 2010 00:46:29 -0400
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/*
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, version 2.1 of the License.
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* 
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program.  If not, 
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* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".
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*
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* Description:
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*
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*/
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#include <QDir>
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#include <QApplication>
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#include <QDateTime>
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#include "qstmfilelogger.h"
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QStm_FileLogger* QStm_FileLogger::m_instance = 0;
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QStm_FileLogger::QStm_FileLogger()
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{
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	QString fname = getLogFileName();
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	m_file = new QFile(fname);
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	m_file->open(QIODevice::ReadWrite | QIODevice::Text);
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	m_stream = new QTextStream(m_file);
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}
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QStm_FileLogger::~QStm_FileLogger()
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{
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	delete m_stream;
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	m_file->close();
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	delete m_file;
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}
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QString QStm_FileLogger::getLogFileName()
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{
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#ifdef Q_OS_SYMBIAN	
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    QString path = "E:/Others/Logs";
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    QDir logdir(path);
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    logdir.mkpath(path);
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#else 
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    QString path = QDir::tempPath();
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#endif    
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    QString appName = qApp->applicationFilePath();
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    QFileInfo fi(appName);
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    QString baseName = fi.baseName();
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    QString fileName = path % "/" % baseName % 
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    		           QDateTime::currentDateTime().toString("ddMMyy_hhmmss") % 
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    		           ".log";
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    return fileName;
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}
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void QStm_FileLogger::log(const char* fmt,...)
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{
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	va_list list;
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	QString logStr;
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	va_start(list, fmt);
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	logStr.vsprintf(fmt, list);
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	logger()->doLog(logStr);
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	va_end(list);
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}
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void QStm_FileLogger::log(const QString& text)
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{
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	logger()->doLog(text);
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}
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void QStm_FileLogger::doLog(const QString& text) 
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{ 
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	*m_stream << QDateTime::currentDateTime().toString("dd-MM-yy hh:mm:ss.zzz") << " " << 
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			text << "\n"; 
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}
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void QStm_FileLogger::doLog(const char* text) 
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{ 
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	*m_stream << QDateTime::currentDateTime().toString("dd-MM-yy hh:mm:ss.zzz") << " " << 
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			text << "\n"; 
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}
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QStm_FileLogger* QStm_FileLogger::logger()
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{
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	if (!m_instance) {
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		m_instance = new QStm_FileLogger();
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	}
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	return m_instance;
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}