/**
* 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.Event;
import net.sf.freecol.common.model.Game;
import net.sf.freecol.common.model.Limit;
import net.sf.freecol.common.model.Player;
import net.sf.freecol.common.model.Player.PlayerType;
import net.sf.freecol.server.FreeColServer;
import net.sf.freecol.server.model.ServerPlayer;
import org.w3c.dom.Element;
/**
* The message sent when a player declares independence.
*/
public class DeclareIndependenceMessage extends DOMMessage {
/**
* The new name for the rebelling nation
*/
private String nationName;
/**
* The new name for the rebelling country
*/
private String countryName;
/**
* Create a new <code>DeclareIndependenceMessage</code> with the
* supplied name.
*
* @param nationName The new name for the rebelling nation.
* @param countryName The new name for the rebelling country.
*/
public DeclareIndependenceMessage(String nationName, String countryName) {
this.nationName = nationName;
this.countryName = countryName;
}
/**
* Create a new <code>DeclareIndependenceMessage</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 DeclareIndependenceMessage(Game game, Element element) {
this.nationName = element.getAttribute("nationName");
this.countryName = element.getAttribute("countryName");
}
/**
* Handle a "declareIndependence"-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> the message is from.
*
* @return An update <code>Element</code> describing the REF and the
* rebel player, or an error <code>Element</code> on failure.
*/
public Element handle(FreeColServer server, Player player, Connection connection) {
ServerPlayer serverPlayer = server.getPlayer(connection);
if (nationName == null || nationName.length() == 0
|| countryName == null || countryName.length() == 0) {
return DOMMessage.clientError("Empty nation or country name.");
}
Event event = player.getSpecification().getEvent("model.event.declareIndependence");
for (Limit limit : event.getLimits()) {
if (!limit.evaluate(player)) {
return DOMMessage.clientError(limit.getDescriptionKey() + " "
+ Integer.toString(limit.getRightHandSide().getValue()));
}
}
if (player.getPlayerType() != PlayerType.COLONIAL) {
return DOMMessage.clientError("Only colonial players can declare independence.");
}
// Declare.
return server.getInGameController().
declareIndependence(serverPlayer, nationName, countryName);
}
/**
* Convert this DeclareIndependenceMessage to XML.
*
* @return The XML representation of this message.
*/
public Element toXMLElement() {
Element result = createNewRootElement(getXMLElementTagName());
result.setAttribute("nationName", nationName);
result.setAttribute("countryName", countryName);
return result;
}
/**
* The tag name of the root element representing this object.
*
* @return "declareIndependence".
*/
public static String getXMLElementTagName() {
return "declareIndependence";
}
}