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/******************************************************************************
*
* package: Log4Qt
* file: mdc.cpp
* created: September 2007
* author: Martin Heinrich
*
*
* changes Feb 2009, Martin Heinrich
* - Fixed unreferenced formal parameter warning by using
* Q_UNUSED in operator<<.
*
*
* Copyright 2007 - 2009 Martin Heinrich
*
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*
*****************************************************************************/
/******************************************************************************
* Dependencies
******************************************************************************/
#include "mdc.h"
#include <QtCore/QDebug>
#include <QtCore/QMutex>
#include <QtCore/QThread>
#include "helpers/initialisationhelper.h"
#include "logger.h"
namespace Log4Qt
{
/**************************************************************************
* Declarations
**************************************************************************/
/**************************************************************************
* C helper functions
**************************************************************************/
/**************************************************************************
* Class implementation: MDC
**************************************************************************/
QString MDC::get(const QString &rKey)
{
if (!instance()->mHash.hasLocalData())
return QString();
return instance()->mHash.localData()->value(rKey);
}
QHash<QString, QString> MDC::context()
{
if (!instance()->mHash.hasLocalData())
return QHash<QString, QString>();
return *instance()->mHash.localData();
}
LOG4QT_IMPLEMENT_INSTANCE(MDC)
QHash<QString, QString> *MDC::localData()
{
if (!instance()->mHash.hasLocalData())
instance()->mHash.setLocalData(new QHash<QString, QString>);
return instance()->mHash.localData();
}
/**************************************************************************
* Implementation: Operators, Helper
**************************************************************************/
#ifndef QT_NO_DEBUG_STREAM
QDebug operator<<(QDebug debug, const MDC &rMDC)
{
Q_UNUSED(rMDC); // To avoid warning C4100 on VS 2008
debug.nospace() << "MDC("
<< "thread:" << QThread::currentThread()->objectName() << " "
<< "context:" << rMDC.context()
<< ")";
return debug.space();
}
#endif // QT_NO_DEBUG_STREAM
} // namespace Log4Qt
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