package net.messagevortex;

// ************************************************************************************
// * Copyright (c) 2018 Martin Gwerder (martin@gwerder.net)
// *
// * Permission is hereby granted, free of charge, to any person obtaining a copy
// * of this software and associated documentation files (the "Software"), to deal
// * in the Software without restriction, including without limitation the rights
// * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// * copies of the Software, and to permit persons to whom the Software is
// * furnished to do so, subject to the following conditions:
// *
// * The above copyright notice and this permission notice shall be included in all
// * copies or substantial portions of the Software.
// *
// * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// * SOFTWARE.
// ************************************************************************************

import java.io.IOException;

public class MessageVortexConfig extends Config {

  public static final String DEFAULT_FILENAME = "messageVortex.cfg";

  private static final Object lock = new Object();

  private MessageVortexConfig() throws IOException {
    // This constructor hides a default constructor
    super("messageVortex.cfgRessources");
  }

  public static Config getDefault() throws IOException {
    return createConfig();
  }

  /***
   * <p>Gets a message vortex config object.</p>
   *
   * <p>The supported parameters are specified in the file messageVortex.cfgRessources</p>
   *
   * @return the config object
   * @throws IOException if errors occurred during reading of messageVortex.cfgRessources
   */
  private static synchronized Config createConfig() throws IOException {
    synchronized (lock) {
      if (defaultConfig == null) {
        defaultConfig = new MessageVortexConfig();
      }
    }
    return defaultConfig;
  }

}