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/******************************************************************************
*
* package: Log4Qt
* file: nullappender.h
* created: September 2007
* author: Martin Heinrich
*
*
* Copyright 2007 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.
*
******************************************************************************/
#ifndef LOG4QT_NULLAPPENDER_H
#define LOG4QT_NULLAPPENDER_H
/******************************************************************************
* Dependencies
******************************************************************************/
#include "appenderskeleton.h"
/******************************************************************************
* Declarations
******************************************************************************/
namespace Log4Qt
{
/*!
* \brief The class NullAppender ignores all requests to append.
*
* \note All the functions declared in this class are thread-safe.
*
* \note The ownership and lifetime of objects of this class are managed. See
* \ref Ownership "Object ownership" for more details.
*/
class LOG4QT_EXPORT NullAppender : public AppenderSkeleton
{
Q_OBJECT
public:
NullAppender(QObject *pParent = 0);
virtual ~NullAppender();
private:
NullAppender(const NullAppender &rOther); // Not implemented
NullAppender &operator=(const NullAppender &rOther); // Not implemented
public:
virtual bool requiresLayout() const;
protected:
virtual void append(const LoggingEvent &rEvent);
#ifndef QT_NO_DEBUG_STREAM
/*!
* Writes all object member variables to the given debug stream \a rDebug and
* returns the stream.
*
* <tt>
* %NullAppender()
* </tt>
* \sa QDebug, operator<<(QDebug debug, const LogObject &rLogObject)
*/
virtual QDebug debug(QDebug &rDebug) const;
#endif // QT_NO_DEBUG_STREAM
};
/******************************************************************************
* Operators, Helper
******************************************************************************/
/******************************************************************************
* Inline
******************************************************************************/
inline bool NullAppender::requiresLayout() const
{ return false; }
} // namespace Log4Qt
// Q_DECLARE_TYPEINFO(Log4Qt::NullAppender, Q_COMPLEX_TYPE); // Use default
#endif // LOG4QT_NULLAPPENDER_H
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