loggingfactory.h

This software aims to create an applet and panel tools to manage a wireless interface card, such as

//
// LoggingFactory.h
//
// $Id: //poco/Main/Foundation/include/Foundation/LoggingFactory.h#1 $
//
// Definition of the LoggingFactory class.
//
// Copyright (c) 2004-2005, Guenter Obiltschnig/Applied Informatics.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//
// 3. Redistributions in any form must be accompanied by information on
//    how to obtain complete source code for this software and any
//    accompanying software that uses this software.  The source code
//    must either be included in the distribution or be available for no
//    more than the cost of distribution plus a nominal fee, and must be
//    freely redistributable under reasonable conditions.  For an
//    executable file, complete source code means the source code for all
//    modules it contains.  It does not include source code for modules or
//    files that typically accompany the major components of the operating
//    system on which the executable file runs.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//


#ifndef Foundation_LoggingFactory_INCLUDED
#define Foundation_LoggingFactory_INCLUDED


#ifndef Foundation_Foundation_INCLUDED
#include "Foundation/Foundation.h"
#endif
#ifndef Foundation_DynamicFactory_INCLUDED
#include "Foundation/DynamicFactory.h"
#endif
#ifndef Foundation_Channel_INCLUDED
#include "Foundation/Channel.h"
#endif
#ifndef Foundation_Formatter_INCLUDED
#include "Foundation/Formatter.h"
#endif


Foundation_BEGIN


class Foundation_API LoggingFactory
	/// An extensible factory for channels and formatters.
	///
	/// The following channel classes are pre-registered:
	///   - AsyncChannel
	///   - ConsoleChannel
	///   - EventLogChannel (Windows platforms only)
	///   - FileChannel
	///   - FormattingChannel
	///   - NullChannel
	///   - OpcomChannel (OpenVMS only)
	///   - SplitterChannel
	///   - SyslogChannel (Unix platforms only)
	///
	/// The following formatter classes are pre-registered:
	///   - PatternFormatter
{
public:
	typedef AbstractObjectFactory<Channel> ChannelFactory;
	typedef AbstractObjectFactory<Formatter> FormatterFactory;

	LoggingFactory();
		/// Creates the LoggingFactory.
		///
		/// Automatically registers class factories for the
		/// built-in channel and formatter classes.

	~LoggingFactory();
		/// Destroys the LoggingFactory.
		
	void registerChannelClass(const std::string& className, ChannelFactory* pFactory);
		/// Registers a channel class with the LoggingFactory.
		
	void registerFormatterClass(const std::string& className, FormatterFactory* pFactory);
		/// Registers a formatter class with the LoggingFactory.

	Channel* createChannel(const std::string& className) const;
		/// Creates a new Channel instance from specified class.
		///
		/// Throws a NotFoundException if the specified channel class 
		/// has not been registered.
		
	Formatter* createFormatter(const std::string& className) const;
		/// Creates a new Formatter instance from specified class.
		///
		/// Throws a NotFoundException if the specified formatter class 
		/// has not been registered.

	static LoggingFactory& defaultFactory();
		/// Returns a reference to the default
		/// LoggingFactory.

private:
	void registerBuiltins();
	
	DynamicFactory<Channel>   _channelFactory;
	DynamicFactory<Formatter> _formatterFactory;
};


Foundation_END


#endif // Foundation_LoggingFactory_INCLUDED