mirror of
https://github.com/IntellectualSites/PlotSquared.git
synced 2024-06-30 11:05:13 +02:00
138 lines
4.4 KiB
Java
138 lines
4.4 KiB
Java
/*
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* _____ _ _ _____ _
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* | __ \| | | | / ____| | |
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* | |__) | | ___ | |_| (___ __ _ _ _ __ _ _ __ ___ __| |
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* | ___/| |/ _ \| __|\___ \ / _` | | | |/ _` | '__/ _ \/ _` |
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* | | | | (_) | |_ ____) | (_| | |_| | (_| | | | __/ (_| |
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* |_| |_|\___/ \__|_____/ \__, |\__,_|\__,_|_| \___|\__,_|
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* | |
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* |_|
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* PlotSquared plot management system for Minecraft
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* Copyright (C) 2020 IntellectualSites
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.plotsquared.core.util;
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import com.plotsquared.core.player.OfflinePlotPlayer;
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import com.plotsquared.core.player.PlotPlayer;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.UUID;
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/**
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* Manages player instances
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*/
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public abstract class PlayerManager<P extends PlotPlayer, O extends OfflinePlotPlayer> {
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private final Map<UUID, P> playerMap = new HashMap<>();
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private final Object playerLock = new Object();
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/**
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* Remove a player from the player map
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*
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* @param plotPlayer Player to remove
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*/
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public void removePlayer(@NotNull final PlotPlayer plotPlayer) {
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synchronized (playerLock) {
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this.playerMap.remove(plotPlayer.getUUID());
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}
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}
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/**
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* Get the player from its UUID if it is stored in the player map.
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*
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* @param uuid Player UUID
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* @return Player, or null
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*/
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@Nullable public P getPlayerIfExists(@Nullable final UUID uuid) {
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if (uuid == null) {
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return null;
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}
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return this.playerMap.get(uuid);
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}
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@Nullable public P getPlayerIfExists(@Nullable final String name) {
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for (final P plotPlayer : this.playerMap.values()) {
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if (plotPlayer.getName().equalsIgnoreCase(name)) {
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return plotPlayer;
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}
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}
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return null;
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}
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/**
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* Get a plot player from a UUID. This method requires
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* that the caller actually knows that the player exists.
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* <p>
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* The method will throw an exception if there is no such
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* player online.
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*
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* @param uuid Player UUID
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* @return Player object
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*/
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@NotNull public P getPlayer(@NotNull final UUID uuid) {
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synchronized (playerLock) {
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P player = this.playerMap.get(uuid);
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if (player == null) {
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player = createPlayer(uuid);
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this.playerMap.put(uuid, player);
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}
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return player;
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}
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}
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@NotNull protected abstract P createPlayer(@NotNull final UUID uuid);
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/**
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* Get an an offline player object from the player's UUID
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*
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* @param uuid Player UUID
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* @return Offline player object
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*/
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@Nullable public abstract O getOfflinePlayer(@Nullable final UUID uuid);
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/**
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* Get an offline player object from the player's username
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*
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* @param username Player name
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* @return Offline player object
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*/
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@Nullable public abstract O getOfflinePlayer(@NotNull final String username);
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/**
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* Get all online players
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*
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* @return Unmodifiable collection of players
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*/
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public Collection<P> getPlayers() {
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return Collections.unmodifiableCollection(this.playerMap.values());
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}
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public static final class NoSuchPlayerException extends IllegalArgumentException {
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public NoSuchPlayerException(@NotNull final UUID uuid) {
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super(String.format("There is no online player with UUID '%s'", uuid.toString()));
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}
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}
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}
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