/*

 * 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.

 */

#include <log4cxx/logstring.h>

#include <log4cxx/spi/configurator.h>

#include <assert.h>

#include <log4cxx/logger.h>

#include <log4cxx/helpers/singletonholder.h>

#include <log4cxx/helpers/system.h>

#if !defined(LOG4CXX)

  #define LOG4CXX 1

#endif

#include <log4cxx/helpers/aprinitializer.h>

using namespace LOG4CXX_NS;

using namespace LOG4CXX_NS::spi;

IMPLEMENT_LOG4CXX_OBJECT(Configurator)

namespace

{

  struct ConfiguratorTag {};

  using ConfiguratorProperties = std::pair<ConfiguratorTag, helpers::Properties>;

  ConfiguratorProperties& getInstance()

  {

    using ConfiguratorObject = helpers::SingletonHolder<ConfiguratorProperties>;

    auto result = helpers::APRInitializer::getOrAddUnique<ConfiguratorObject>

      ( []() -> helpers::ObjectPtr

        { return std::make_shared<ConfiguratorObject>(); }

      );

    return result->value();

  }

}

Configurator::Configurator()

{

}

helpers::Properties& Configurator::properties()

{

  auto& result = getInstance().second;

  if (result.isEmpty())

    helpers::System::addProgramFilePathComponents(result);

  return result;

}