//
// LoggingConfigurator.cpp
//
// $Id: //poco/Main/Util/src/LoggingConfigurator.cpp#1 $
//
// 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
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// POSSIBILITY OF SUCH DAMAGE.
//


#include "Util/LoggingConfigurator.h"
#include "Util/AbstractConfiguration.h"
#include "Foundation/AutoPtr.h"
#include "Foundation/Channel.h"
#include "Foundation/FormattingChannel.h"
#include "Foundation/Formatter.h"
#include "Foundation/PatternFormatter.h"
#include "Foundation/Logger.h"
#include "Foundation/LoggingRegistry.h"
#include "Foundation/LoggingFactory.h"


using Foundation::AutoPtr;
using Foundation::Formatter;
using Foundation::PatternFormatter;
using Foundation::Channel;
using Foundation::FormattingChannel;
using Foundation::Logger;
using Foundation::LoggingRegistry;
using Foundation::LoggingFactory;


Util_BEGIN


LoggingConfigurator::LoggingConfigurator()
{
}


LoggingConfigurator::~LoggingConfigurator()
{
}


void LoggingConfigurator::configure(AbstractConfiguration* pConfig)
{
	poco_check_ptr (pConfig);

	AutoPtr<AbstractConfiguration> pFormattersConfig = pConfig->createView("logging.formatters");
	configureFormatters(pFormattersConfig);

	AutoPtr<AbstractConfiguration> pChannelsConfig = pConfig->createView("logging.channels");
	configureChannels(pChannelsConfig);

	AutoPtr<AbstractConfiguration> pLoggersConfig = pConfig->createView("logging.loggers");
	configureLoggers(pLoggersConfig);
}


void LoggingConfigurator::configureFormatters(AbstractConfiguration* pConfig)
{
	AbstractConfiguration::Keys formatters;
	pConfig->keys(formatters);
	for (AbstractConfiguration::Keys::const_iterator it = formatters.begin(); it != formatters.end(); ++it)
	{
		AutoPtr<AbstractConfiguration> pFormatterConfig = pConfig->createView(*it);
		AutoPtr<Formatter> pFormatter = createFormatter(pFormatterConfig);
		LoggingRegistry::defaultRegistry().registerFormatter(*it, pFormatter);
	}
}


void LoggingConfigurator::configureChannels(AbstractConfiguration* pConfig)
{
	AbstractConfiguration::Keys channels;
	pConfig->keys(channels);
	for (AbstractConfiguration::Keys::const_iterator it = channels.begin(); it != channels.end(); ++it)
	{
		AutoPtr<AbstractConfiguration> pChannelConfig = pConfig->createView(*it);
		AutoPtr<Channel> pChannel = createChannel(pChannelConfig);
		LoggingRegistry::defaultRegistry().registerChannel(*it, pChannel);
	}
}


void LoggingConfigurator::configureLoggers(AbstractConfiguration* pConfig)
{
	AbstractConfiguration::Keys loggers;
	pConfig->keys(loggers);
	for (AbstractConfiguration::Keys::const_iterator it = loggers.begin(); it != loggers.end(); ++it)
	{
		AutoPtr<AbstractConfiguration> pLoggerConfig = pConfig->createView(*it);
		configureLogger(pLoggerConfig);
	}
}


Formatter* LoggingConfigurator::createFormatter(AbstractConfiguration* pConfig)
{
	AutoPtr<Formatter> pFormatter = LoggingFactory::defaultFactory().createFormatter(pConfig->getString("class"));
	AbstractConfiguration::Keys props;
	pConfig->keys(props);
	for (AbstractConfiguration::Keys::const_iterator it = props.begin(); it != props.end(); ++it)
	{
		if (*it != "class")
			pFormatter->setProperty(*it, pConfig->getString(*it));		
	}
	return pFormatter.duplicate();
}


Channel* LoggingConfigurator::createChannel(AbstractConfiguration* pConfig)
{
	AutoPtr<Channel> pChannel = LoggingFactory::defaultFactory().createChannel(pConfig->getString("class"));
	AutoPtr<Channel> pWrapper = pChannel;
	AbstractConfiguration::Keys props;
	pConfig->keys(props);
	for (AbstractConfiguration::Keys::const_iterator it = props.begin(); it != props.end(); ++it)
	{
		if (*it == "pattern")
		{
			AutoPtr<Formatter> pPatternFormatter = new PatternFormatter(pConfig->getString(*it));
			pWrapper = new FormattingChannel(pPatternFormatter, pChannel);
		}
		else if (*it == "formatter")
		{
			AutoPtr<FormattingChannel> pFormattingChannel = new FormattingChannel(0, pChannel);
			if (pConfig->hasProperty("formatter.class"))
			{
				AutoPtr<AbstractConfiguration> pFormatterConfig = pConfig->createView(*it);	
				AutoPtr<Formatter> pFormatter = createFormatter(pFormatterConfig);
				pFormattingChannel->setFormatter(pFormatter);
			}
			else pFormattingChannel->setProperty(*it, pConfig->getString(*it));
			pWrapper = pFormattingChannel;
		}
		else if (*it != "class")
		{
			pChannel->setProperty(*it, pConfig->getString(*it));
		}
	}
	return pWrapper.duplicate();
}


void LoggingConfigurator::configureLogger(AbstractConfiguration* pConfig)
{
	Logger& logger = Logger::get(pConfig->getString("name", ""));
	AbstractConfiguration::Keys props;
	pConfig->keys(props);
	for (AbstractConfiguration::Keys::const_iterator it = props.begin(); it != props.end(); ++it)
	{
		if (*it == "channel" && pConfig->hasProperty("channel.class"))
		{
			AutoPtr<AbstractConfiguration> pChannelConfig = pConfig->createView(*it);	
			AutoPtr<Channel> pChannel = createChannel(pChannelConfig);
			logger.setChannel(pChannel);
		}
		else if (*it != "name")
		{
			logger.setProperty(*it, pConfig->getString(*it));
		}
	}
}


Util_END