105 lines
3.4 KiB
Java
105 lines
3.4 KiB
Java
/*
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* This file is part of GriefDefender, licensed under the MIT License (MIT).
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*
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* Copyright (c) bloodmc
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* Copyright (c) contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package com.griefdefender.event;
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import static com.google.common.base.Preconditions.checkNotNull;
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import com.google.common.collect.Queues;
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import com.griefdefender.GriefDefenderPlugin;
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import com.griefdefender.api.event.EventCause;
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import com.griefdefender.cache.PermissionHolderCache;
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import com.griefdefender.internal.util.NMSUtil;
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import java.util.Deque;
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import org.bukkit.OfflinePlayer;
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import org.checkerframework.checker.nullness.qual.Nullable;
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public final class GDCauseStackManager {
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private int tick_stored;
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private static GDCauseStackManager instance;
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private final Deque<Object> cause = Queues.newArrayDeque();
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@Nullable private EventCause cached_cause;
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public EventCause getCurrentCause() {
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if (NMSUtil.getInstance().getRunningServerTicks() != tick_stored) {
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this.cached_cause = null;
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this.cause.clear();
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}
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if (this.cached_cause == null) {
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if (this.cause.isEmpty()) {
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this.cached_cause = EventCause.of(GriefDefenderPlugin.getInstance());
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} else {
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this.cached_cause = EventCause.of(this.cause);
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}
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}
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return this.cached_cause;
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}
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public GDCauseStackManager pushCause(Object obj) {
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checkNotNull(obj, "obj");
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if (NMSUtil.getInstance().getRunningServerTicks() != tick_stored) {
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this.cached_cause = null;
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this.cause.clear();
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}
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if (obj instanceof OfflinePlayer) {
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obj = PermissionHolderCache.getInstance().getOrCreateUser((OfflinePlayer) obj);
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}
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/*if (tick_stored == NMSUtil.getInstance().getRunningServerTicks()) {
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this.cause.push(obj);
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return this;
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}*/
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tick_stored = NMSUtil.getInstance().getRunningServerTicks();
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this.cached_cause = null;
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this.cause.push(obj);
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return this;
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}
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public Object popCause() {
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this.cached_cause = null;
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if (this.cause.isEmpty()) {
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return null;
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}
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return this.cause.pop();
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}
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public Object peekCause() {
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return this.cause.peek();
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}
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public static GDCauseStackManager getInstance() {
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return instance;
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}
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static {
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instance = new GDCauseStackManager();
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}
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}
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