/**
* Copyright (C) 2002-2012 The FreeCol Team
*
* This file is part of FreeCol.
*
* FreeCol 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.
*
* FreeCol 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 FreeCol. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.freecol.common.networking;
import net.sf.freecol.common.model.Game;
import net.sf.freecol.common.model.Player;
import net.sf.freecol.server.FreeColServer;
import net.sf.freecol.server.model.ServerPlayer;
import org.w3c.dom.Element;
/**
* The message that contains a chat string.
*/
public class ChatMessage extends DOMMessage {
/**
* The sending player.
*/
private Player player;
/**
* The ID of the sender player.
*/
private String sender;
/**
* The text of the message.
*/
private String message;
/**
* Whether this is a private message or not.
*/
private boolean privateChat;
/**
* Create a new <code>ChatMessage</code> with the
* supplied message.
*
* @param player The player that is sending the message.
* @param message The text of the message to send.
* @param privateChat Whether this message is private.
*/
public ChatMessage(Player player, String message, boolean privateChat) {
this.player = player;
this.sender = player.getId();
this.message = message;
this.privateChat = privateChat;
}
/**
* Create a new <code>ChatMessage</code> from a
* supplied element.
*
* @param game The <code>Game</code> this message belongs to.
* @param element The <code>Element</code> to use to create the message.
* @throws IllegalStateException if there is problem with the senderID.
*/
public ChatMessage(Game game, Element element) {
sender = element.getAttribute("sender");
if (sender == null) {
throw new IllegalStateException("sender is null");
} else if (!(game.getFreeColGameObject(sender) instanceof Player)) {
throw new IllegalStateException("not a player: " + sender);
}
player = (Player) game.getFreeColGameObject(sender);
message = element.getAttribute("message");
privateChat = Boolean.valueOf(element.getAttribute("privateChat")).booleanValue();
}
/**
* Who sent this ChatMessage?
*
* @return The name of the player that sent this ChatMessage.
*/
public Player getPlayer() {
return player;
}
/**
* What is the text of this ChatMessage?
*
* @return The text of this ChatMessage.
*/
public String getMessage() {
return message;
}
/**
* Is this ChatMessage private?
*
* @return True if this ChatMessage is private.
*/
public boolean isPrivate() {
return privateChat;
}
/**
* Handle a "chat"-message.
*
* @param server The <code>FreeColServer</code> that handles the message.
* @param connection The <code>Connection</code> message was received on.
*
* @return Null.
*/
public Element handle(FreeColServer server, Connection connection) {
ServerPlayer serverPlayer = server.getPlayer(connection);
/* Do not trust the client-supplied sender name */
sender = serverPlayer.getId();
return server.getInGameController().chat(serverPlayer, message,
privateChat);
}
/**
* Convert this ChatMessage to XML.
*
* @return The XML representation of this message.
*/
public Element toXMLElement() {
Element result = createNewRootElement(getXMLElementTagName());
result.setAttribute("sender", sender);
result.setAttribute("message", message);
result.setAttribute("privateChat", String.valueOf(privateChat));
return result;
}
/**
* The tag name of the root element representing this object.
*
* @return "chat".
*/
public static String getXMLElementTagName() {
return "chat";
}
}