src/log4qt/consoleappender.h

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/******************************************************************************
 *
 * package:     Log4Qt
 * file:        consoleappender.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_CONSOLEAPPENDER_H
#define LOG4QT_CONSOLEAPPENDER_H


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

#include "log4qt/writerappender.h"


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

class QFile;
class QTextStream;

namespace Log4Qt
{
    
    class ConsoleAppender : public WriterAppender
    {
        Q_OBJECT
        
        Q_PROPERTY(QString target READ target WRITE setTarget)
    
    public:
        enum Target {
            STDOUT_TARGET,
            STDERR_TARGET
        }; 
        Q_ENUMS(Target)
        
        ConsoleAppender(QObject *pParent = 0);
        ConsoleAppender(Layout *pLayout,
                        QObject *pParent = 0);
        ConsoleAppender(Layout *pLayout, 
                        const QString &rTarget,
                        QObject *pParent = 0); 

        ConsoleAppender(Layout *pLayout, 
                        Target target,
                        QObject *pParent = 0); 
        
        virtual ~ConsoleAppender();
    private:
        ConsoleAppender(const ConsoleAppender &rOther); // Not implemented
        ConsoleAppender &operator=(const ConsoleAppender &rOther); // Not implemented
    
    public:
        // JAVA: bool follow() const;
        QString target() const;
        // JAVA: void setFollow(bool follow);
        void setTarget(const QString &rTarget);
        
        void setTarget(Target target);
        
        virtual void activateOptions();
        virtual void close();
     
    protected:
        void closeStream();
        
    #ifndef QT_NO_DEBUG_STREAM

        virtual QDebug debug(QDebug &rDebug) const;
    #endif // QT_NO_DEBUG_STREAM
    
    private:
        volatile Target mTarget;
        QTextStream *mpTextStream;
    };
    
    
    /**************************************************************************
     * Operators, Helper
     **************************************************************************/
    
    
    /**************************************************************************
     * Inline
     **************************************************************************/

    inline void ConsoleAppender::setTarget(Target target)
    {   // QMutexLocker locker(&mObjectGuard); // Read/Write of int is safe
        mTarget = target;   }


} // namespace Log4Qt


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


#endif // LOG4QT_CONSOLEAPPENDER_H

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