content: /**
   * This file is part of Aion-Lightning <aion-lightning.org>.
   *
   *  Aion-Lightning 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 3 of the License, or
   *  (at your option) any later version.
   *
   *  Aion-Lightning 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.  See the
   *  GNU General Public License for more details. *
   *  You should have received a copy of the GNU General Public License
   *  along with Aion-Lightning.
   *  If not, see <http://www.gnu.org/licenses/>.
   */
  package com.aionemu.gameserver.model.gameobjects.player;
  
  import java.util.HashMap;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Manages the asking of and responding to <tt>SM_QUESTION_WINDOW</tt>
   *
   * @author Ben
   */
  public class ResponseRequester {
  
  	private Player player;
  	private HashMap<Integer, RequestResponseHandler> map = new HashMap<Integer, RequestResponseHandler>();
  	private static Logger log = LoggerFactory.getLogger(ResponseRequester.class);
  
  	public ResponseRequester(Player player) {
  		this.player = player;
  	}
  
  	/**
  	 * Adds this handler to this messageID, returns false if there already exists one
  	 *
  	 * @param messageId
  	 *            ID of the request message
  	 * @return true or false
  	 */
  	public synchronized boolean putRequest(int messageId, RequestResponseHandler handler) {
  		if (map.containsKey(messageId)) {
  			return false;
  		}
  
  		map.put(messageId, handler);
  		return true;
  	}
  
  	/**
  	 * Responds to the given message ID with the given response Returns success
  	 *
  	 * @param messageId
  	 * @param response
  	 * @return Success
  	 */
  	public synchronized boolean respond(int messageId, int response) {
  		RequestResponseHandler handler = map.get(messageId);
  		if (handler != null) {
  			map.remove(messageId);
  			log.debug("RequestResponseHandler triggered for response code " + messageId + " from " + player.getName());
  			handler.handle(player, response);
  			return true;
  		}
  		return false;
  	}
  
  	/**
  	 * Automatically responds 0 to all requests, passing the given player as the responder
  	 */
  	public synchronized void denyAll() {
  		for (RequestResponseHandler handler : map.values()) {
  			handler.handle(player, 0);
  		}
  
  		map.clear();
  	}
  }
  