Java tutorial
/* * Copyright (C) 2015 mafiagame.ir * * This program 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. * * This program 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 this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ package co.mafiagame.engine.command; import co.mafiagame.common.Constants; import co.mafiagame.common.domain.Account; import co.mafiagame.common.domain.result.ChannelType; import co.mafiagame.common.domain.result.Message; import co.mafiagame.common.domain.result.ResultMessage; import co.mafiagame.engine.command.context.EmptyContext; import co.mafiagame.engine.domain.ElectionMood; import co.mafiagame.engine.domain.Game; import co.mafiagame.engine.domain.GameMood; import co.mafiagame.engine.domain.Player; import co.mafiagame.engine.exception.ElectionAlreadyStarted; import co.mafiagame.engine.exception.VoteOnNightException; import org.springframework.stereotype.Component; import java.util.List; import java.util.stream.Collectors; /** * @author nazila */ @Component public class StartFinalElectionCommand implements Command<EmptyContext> { @Override public ResultMessage execute(EmptyContext context) { validateGameNotNull(context); Game game = context.getGame(); game.update(); if (game.getElectionMood() != ElectionMood.NONE) throw new ElectionAlreadyStarted(); if (game.getGameMood() != GameMood.DAY) throw new VoteOnNightException(); game.startElection(true); List<String> users = game.getPlayers().stream().map(Player::getAccount).map(Account::getUsername) .collect(Collectors.toList()); return new ResultMessage(new Message("final.election.started") .setOptions(game.makeOption(Constants.CMD.VOTE, true)).setToUsers(users), ChannelType.GENERAL, context.getInterfaceContext()); } @Override public String commandName() { return Constants.CMD.START_FINAL_ELECTION; } }