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A reactive Java web server.

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/*
 * Copyright (c) 1998-2015 Caucho Technology -- all rights reserved
 *
 * This file is part of Baratine(TM)(TM)
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Baratine is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Baratine is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Baratine; if not, write to the
 * 
 *   Free Software Foundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Scott Ferguson
 */

package com.caucho.v5.config.impl;

import java.util.HashMap;
import java.util.Map;
import java.util.Objects;

import com.caucho.v5.convert.ConvertStringDefault;

import io.baratine.config.Config;
import io.baratine.convert.ConvertManagerType;

/**
 * ConfigEnv is the configuration environment, which contains a
 * read-only properties map.
 */
class ConfigBuilderImpl
  implements Config.ConfigBuilder
{
  private final Map _map = new HashMap<>();
  
  private ConfigImpl _config;
  private ConvertManagerType _converter;
  
  ConfigBuilderImpl()
  {
  }
  
  ConfigBuilderImpl(Map map)
  {
    _map.putAll(map);
    
    _config = null;
  }

  @Override
  public ConfigBuilderImpl add(String key, String value)
  {
    Objects.requireNonNull(key);
    Objects.requireNonNull(value);
    
    _map.put(key, value);
    
    _config = null;
    
    return this;
  }
  
  @Override
  public void converter(ConvertManagerType converter)
  {
    Objects.requireNonNull(converter);
    
    _converter = converter;
    _config = null;
  }
  
  @Override
  public Config get()
  {
    if (_config == null) {
      ConvertManagerType converter = _converter;
      
      if (converter == null) {
        converter = ConvertStringDefault.get();
      }
      
      _config = new ConfigImpl(_map, converter);
    }
    
    return _config;
  }
}