src/log4qt/varia/listappender.h

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/******************************************************************************
 *
 * package:     Log4Qt
 * file:        listappender.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_LISTAPPENDER_H
#define LOG4QT_LISTAPPENDER_H


/******************************************************************************
 * Dependencies
 ******************************************************************************/

#include "log4qt/appenderskeleton.h"

#include <QtCore/QList>
#include <QtCore/QMutex>
#include "log4qt/loggingevent.h"


/******************************************************************************
 * Declarations
 ******************************************************************************/

namespace Log4Qt
{
        
    class ListAppender : public AppenderSkeleton
    {
        Q_OBJECT
        
        Q_PROPERTY(bool configuratorList READ configuratorList WRITE setConfiguratorList)
        
        
        Q_PROPERTY(int maxCount READ maxCount WRITE setMaxCount)
        
    public:
        ListAppender(QObject *pParent = 0);
        virtual ~ListAppender();
    private:
        ListAppender(const ListAppender &rOther); // Not implemented
        ListAppender &operator=(const ListAppender &rOther); // Not implemented
            
    public:
        bool configuratorList() const;
        
        QList<LoggingEvent> list() const;
        int maxCount() const;
        
        void setConfiguratorList(bool isConfiguratorList);
        
        void setMaxCount(int n);
        
        QList<LoggingEvent> clearList();
        virtual bool requiresLayout() const;
        
    protected:
        virtual void append(const LoggingEvent &rEvent);
        
#ifndef QT_NO_DEBUG_STREAM

        virtual QDebug debug(QDebug &rDebug) const;
#endif // QT_NO_DEBUG_STREAM
    
        void ensureMaxCount();
        
    private:
        volatile bool mConfiguratorList; 
        QList<LoggingEvent> mList;
        volatile int mMaxCount;
    };
    
    
    /**************************************************************************
     * Operators, Helper
     **************************************************************************/
    
    
    /**************************************************************************
     * Inline
     **************************************************************************/
    
    inline bool ListAppender::configuratorList() const
    {   // QMutexLocker locker(&mObjectGuard); // Read/Write of int is safe
        return mConfiguratorList;   }

    inline int ListAppender::maxCount() const
    {   return mMaxCount;    }
    
    inline void ListAppender::setConfiguratorList(bool isConfiguratorList)
    {   // QMutexLocker locker(&mObjectGuard); // Read/Write of int is safe
        mConfiguratorList = isConfiguratorList;   }

    inline bool ListAppender::requiresLayout() const
    {   return false;    }
    
    
} // namespace Log4Qt


// Q_DECLARE_TYPEINFO(Log4Qt::ListAppender, Q_COMPLEX_TYPE); // Use default


#endif // LOG4QT_LISTAPPENDER_H

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