/**
* 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.FreeColGameObject;
import net.sf.freecol.common.model.Game;
import net.sf.freecol.common.model.Nameable;
import net.sf.freecol.common.model.Ownable;
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 sent when renaming a FreeColGameObject.
*/
public class RenameMessage extends DOMMessage {
/**
* The id of the object to be renamed.
*/
private String id;
/**
* The new name.
*/
private String newName;
/**
* Create a new <code>RenameMessage</code> with the
* supplied name.
*
* @param object The <code>FreeColGameObject</code> to rename.
* @param newName The new name for the object.
*/
public RenameMessage(FreeColGameObject object, String newName) {
this.id = object.getId();
this.newName = newName;
}
/**
* Create a new <code>RenameMessage</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.
*/
public RenameMessage(Game game, Element element) {
this.id = element.getAttribute("nameable");
this.newName = element.getAttribute("name");
}
/**
* Handle a "rename"-message.
*
* @param server The <code>FreeColServer</code> handling the message.
* @param player The <code>Player</code> the message applies to.
* @param connection The <code>Connection</code> message was received on.
*
* @return An update containing the renamed unit,
* or an error <code>Element</code> on failure.
*/
public Element handle(FreeColServer server, Player player, Connection connection) {
ServerPlayer serverPlayer = server.getPlayer(connection);
Nameable object = (Nameable) player.getGame().getFreeColGameObject(id);
if (object == null) {
return DOMMessage.clientError("Tried to rename an object with id "
+ id + " which could not be found.");
}
if (!(object instanceof Ownable)
|| ((Ownable) object).getOwner() != serverPlayer) {
return DOMMessage.clientError("Not the owner of nameable: " + id);
}
// Proceed to rename.
return server.getInGameController()
.renameObject(serverPlayer, object, newName);
}
/**
* Convert this RenameMessage to XML.
*
* @return The XML representation of this message.
*/
public Element toXMLElement() {
Element result = createNewRootElement(getXMLElementTagName());
result.setAttribute("nameable", id);
result.setAttribute("name", newName);
return result;
}
/**
* The tag name of the root element representing this object.
*
* @return "rename".
*/
public static String getXMLElementTagName() {
return "rename";
}
}