/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 _LOG4CXX_PATTERN_THROWABLE_INFORMATION_PATTERN_CONVERTER
#define _LOG4CXX_PATTERN_THROWABLE_INFORMATION_PATTERN_CONVERTER

#include <log4cxx/pattern/loggingeventpatternconverter.h>

namespace log4cxx
{
namespace pattern
{


/**
 * Outputs the ThrowableInformation portion of the LoggingiEvent as a full stacktrace
 * unless this converter's option is 'short', where it just outputs the first line of the trace.
 *
 *
 *
 *
 */
class LOG4CXX_EXPORT ThrowableInformationPatternConverter
	: public LoggingEventPatternConverter
{
		/**
		 * If "short", only first line of throwable report will be formatted.
		 */
		const bool shortReport;

		/**
		 * Private constructor.
		 */
		ThrowableInformationPatternConverter(bool shortReport);

	public:
		DECLARE_LOG4CXX_PATTERN(ThrowableInformationPatternConverter)
		BEGIN_LOG4CXX_CAST_MAP()
		LOG4CXX_CAST_ENTRY(ThrowableInformationPatternConverter)
		LOG4CXX_CAST_ENTRY_CHAIN(LoggingEventPatternConverter)
		END_LOG4CXX_CAST_MAP()


		/**
		 * Gets an instance of the class.
		  * @param options pattern options, may be null.  If first element is "short",
		 * only the first line of the throwable will be formatted.
		 * @return instance of class.
		 */
		static PatternConverterPtr newInstance(
			const std::vector<LogString>& options);

		using LoggingEventPatternConverter::format;

		void format(const log4cxx::spi::LoggingEventPtr& event,
			LogString& toAppendTo,
			log4cxx::helpers::Pool& p) const;

		/**
		 * This converter obviously handles throwables.
		 * @return true.
		 */
		bool handlesThrowable() const;
};
}
}
#endif