/*

 * 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_MDC_PATTERN_CONVERTER

#define _LOG4CXX_PATTERN_MDC_PATTERN_CONVERTER

#include <log4cxx/pattern/loggingeventpatternconverter.h>

namespace LOG4CXX_NS

{

namespace pattern

{

/**

 * Provides all key value pairs in JSON or a single value from an event's mapped diagnostic context

 */

class LOG4CXX_EXPORT MDCPatternConverter : public LoggingEventPatternConverter

{

  public:

    DECLARE_LOG4CXX_PATTERN(MDCPatternConverter)

    BEGIN_LOG4CXX_CAST_MAP()

    LOG4CXX_CAST_ENTRY(MDCPatternConverter)

    LOG4CXX_CAST_ENTRY_CHAIN(LoggingEventPatternConverter)

    END_LOG4CXX_CAST_MAP()

    MDCPatternConverter

      ( const LogString&              name = LogString()

      , const LogString&              style = LogString()

      , const std::vector<LogString>& options = std::vector<LogString>()

      );

    /**

     * An instance of MDCPatternConverter.

     * @param options if not empty, options[0][0] is the character to duplicate

     */

    static PatternConverterPtr newInstance(const std::vector<LogString>& options);

    using LoggingEventPatternConverter::format;

    void format

      ( const spi::LoggingEventPtr& event

      , LogString&                  toAppendTo

      , helpers::Pool&              p

      ) const override;

};

}

}

#endif