Java tutorial
/* * This file is part of EssentialCmds, licensed under the MIT License (MIT). * * Copyright (c) 2015 - 2015 HassanS6000 * Copyright (c) contributors * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package io.github.hsyyid.essentialcmds.cmdexecutors; import io.github.hsyyid.essentialcmds.internal.CommandExecutorBase; import org.apache.commons.lang3.math.NumberUtils; import org.spongepowered.api.command.CommandException; import org.spongepowered.api.command.CommandResult; import org.spongepowered.api.command.CommandSource; import org.spongepowered.api.command.args.CommandContext; import org.spongepowered.api.command.args.GenericArguments; import org.spongepowered.api.command.spec.CommandSpec; import org.spongepowered.api.data.key.Keys; import org.spongepowered.api.data.manipulator.mutable.entity.GameModeData; import org.spongepowered.api.entity.living.player.Player; import org.spongepowered.api.entity.living.player.gamemode.GameModes; import org.spongepowered.api.text.Text; import org.spongepowered.api.text.format.TextColors; import java.util.Optional; import javax.annotation.Nonnull; public class GamemodeExecutor extends CommandExecutorBase { public CommandResult execute(CommandSource src, CommandContext ctx) throws CommandException { String gamemode = ctx.<String>getOne("gamemode").get(); Optional<Player> optionalPlayer = ctx.<Player>getOne("player"); if (!optionalPlayer.isPresent()) { if (src instanceof Player) { Player player = (Player) src; if (NumberUtils.isNumber(gamemode)) { if (Integer.parseInt(gamemode) == 1) { GameModeData data = player.getGameModeData().set(Keys.GAME_MODE, GameModes.CREATIVE); player.sendMessage(Text.of(TextColors.GREEN, "Success! ", TextColors.YELLOW, "Successfully changed " + player.getName() + "'s gamemode.")); player.sendMessage(Text.of(TextColors.GREEN, "Success! ", TextColors.YELLOW, "Set your gamemode to creative")); player.offer(data); } else if (Integer.parseInt(gamemode) == 0) { GameModeData data = player.getGameModeData().set(Keys.GAME_MODE, GameModes.SURVIVAL); player.offer(data); player.sendMessage(Text.of(TextColors.GREEN, "Success! ", TextColors.YELLOW, "Successfully changed " + player.getName() + "'s gamemode.")); player.sendMessage(Text.of(TextColors.GREEN, "Success! ", TextColors.YELLOW, "Set your gamemode to survival")); } else if (Integer.parseInt(gamemode) == 2) { GameModeData data = player.getGameModeData().set(Keys.GAME_MODE, GameModes.ADVENTURE); player.offer(data); player.sendMessage(Text.of(TextColors.GREEN, "Success! ", TextColors.YELLOW, "Successfully changed " + player.getName() + "'s gamemode.")); player.sendMessage(Text.of(TextColors.GREEN, "Success! ", TextColors.YELLOW, "Set your gamemode to adventure")); } else if (Integer.parseInt(gamemode) == 3) { GameModeData data = player.getGameModeData().set(Keys.GAME_MODE, GameModes.SPECTATOR); player.offer(data); player.sendMessage(Text.of(TextColors.GREEN, "Success! ", TextColors.YELLOW, "Successfully changed " + player.getName() + "'s gamemode.")); player.sendMessage(Text.of(TextColors.GREEN, "Success! ", TextColors.YELLOW, "Set your gamemode to spectator")); } else { player.sendMessage(Text.of(TextColors.DARK_RED, "Error! ", TextColors.RED, gamemode + " does not appear to be a gamemode!")); } } else { if (gamemode.equals("creative") || gamemode.equals("c")) { GameModeData data = player.getGameModeData().set(Keys.GAME_MODE, GameModes.CREATIVE); player.sendMessage(Text.of(TextColors.GREEN, "Success! ", TextColors.YELLOW, "Successfully changed " + player.getName() + "'s gamemode.")); player.sendMessage(Text.of(TextColors.GREEN, "Success! ", TextColors.YELLOW, "Set your gamemode to creative")); player.offer(data); } else if (gamemode.equals("survival") || gamemode.equals("s")) { GameModeData data = player.getGameModeData().set(Keys.GAME_MODE, GameModes.SURVIVAL); player.offer(data); player.sendMessage(Text.of(TextColors.GREEN, "Success! ", TextColors.YELLOW, "Successfully changed " + player.getName() + "'s gamemode.")); player.sendMessage(Text.of(TextColors.GREEN, "Success! ", TextColors.YELLOW, "Set your gamemode to survival")); } else if (gamemode.equals("adventure") || gamemode.equals("a")) { GameModeData data = player.getGameModeData().set(Keys.GAME_MODE, GameModes.ADVENTURE); player.offer(data); player.sendMessage(Text.of(TextColors.GREEN, "Success! ", TextColors.YELLOW, "Successfully changed " + player.getName() + "'s gamemode.")); player.sendMessage(Text.of(TextColors.GREEN, "Success! ", TextColors.YELLOW, "Set your gamemode to adventure")); } else if (gamemode.equals("spectator") || gamemode.equals("spec")) { GameModeData data = player.getGameModeData().set(Keys.GAME_MODE, GameModes.SPECTATOR); player.offer(data); player.sendMessage(Text.of(TextColors.GREEN, "Success! ", TextColors.YELLOW, "Successfully changed " + player.getName() + "'s gamemode.")); player.sendMessage(Text.of(TextColors.GREEN, "Success! ", TextColors.YELLOW, "Set your gamemode to spectator")); } else { player.sendMessage(Text.of(TextColors.DARK_RED, "Error! ", TextColors.RED, gamemode + " does not appear to be a gamemode!")); } } } else { src.sendMessage(Text.of(TextColors.DARK_RED, "Error! ", TextColors.RED, "Must be an in-game player to use /gamemode!")); } } else if (src.hasPermission("essentialcmds.gamemode.others")) { Player player = optionalPlayer.get(); if (NumberUtils.isNumber(gamemode)) { if (Integer.parseInt(gamemode) == 1) { GameModeData data = player.getGameModeData().set(Keys.GAME_MODE, GameModes.CREATIVE); player.offer(data); player.sendMessage(Text.of(TextColors.GREEN, "Success! ", TextColors.YELLOW, "Set your gamemode to creative")); } else if (Integer.parseInt(gamemode) == 0) { GameModeData data = player.getGameModeData().set(Keys.GAME_MODE, GameModes.SURVIVAL); player.offer(data); player.sendMessage(Text.of(TextColors.GREEN, "Success! ", TextColors.YELLOW, "Set your gamemode to survival")); } else if (Integer.parseInt(gamemode) == 2) { GameModeData data = player.getGameModeData().set(Keys.GAME_MODE, GameModes.ADVENTURE); player.offer(data); player.sendMessage(Text.of(TextColors.GREEN, "Success! ", TextColors.YELLOW, "Set your gamemode to adventure")); } else if (Integer.parseInt(gamemode) == 3) { GameModeData data = player.getGameModeData().set(Keys.GAME_MODE, GameModes.SPECTATOR); player.offer(data); player.sendMessage(Text.of(TextColors.GREEN, "Success! ", TextColors.YELLOW, "Set your gamemode to spectator")); } else { player.sendMessage(Text.of(TextColors.DARK_RED, "Error! ", TextColors.RED, gamemode + " does not appear to be a gamemode!")); } } else { if (gamemode.equals("creative") || gamemode.equals("c")) { GameModeData data = player.getGameModeData().set(Keys.GAME_MODE, GameModes.CREATIVE); player.offer(data); player.sendMessage(Text.of(TextColors.GREEN, "Success! ", TextColors.YELLOW, "Set your gamemode to creative")); } else if (gamemode.equals("survival") || gamemode.equals("s")) { GameModeData data = player.getGameModeData().set(Keys.GAME_MODE, GameModes.SURVIVAL); player.offer(data); player.sendMessage(Text.of(TextColors.GREEN, "Success! ", TextColors.YELLOW, "Set your gamemode to survival")); } else if (gamemode.equals("adventure") || gamemode.equals("a")) { GameModeData data = player.getGameModeData().set(Keys.GAME_MODE, GameModes.ADVENTURE); player.offer(data); player.sendMessage(Text.of(TextColors.GREEN, "Success! ", TextColors.YELLOW, "Set your gamemode to adventure")); } else if (gamemode.equals("spectator") || gamemode.equals("spec")) { GameModeData data = player.getGameModeData().set(Keys.GAME_MODE, GameModes.SPECTATOR); player.offer(data); player.sendMessage(Text.of(TextColors.GREEN, "Success! ", TextColors.YELLOW, "Set your gamemode to spectator")); } else { player.sendMessage(Text.of(TextColors.DARK_RED, "Error! ", TextColors.RED, gamemode + " does not appear to be a gamemode!")); } } } return CommandResult.success(); } @Nonnull @Override public String[] getAliases() { return new String[] { "gamemode", "gm" }; } @Nonnull @Override public CommandSpec getSpec() { return CommandSpec.builder().description(Text.of("Gamemode Command")) .permission("essentialcmds.gamemode.use") .arguments( GenericArguments.seq(GenericArguments.onlyOne(GenericArguments.string(Text.of("gamemode"))), GenericArguments.onlyOne( GenericArguments.optional(GenericArguments.player(Text.of("player")))))) .executor(this).build(); } }