73 lines
2.3 KiB
Java
73 lines
2.3 KiB
Java
/*
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* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
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* Copyright (C) 2016-2024 ViaVersion and contributors
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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.viaversion.viaversion;
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import com.viaversion.viaversion.api.Via;
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import com.viaversion.viaversion.api.connection.UserConnection;
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import com.viaversion.viaversion.api.protocol.Protocol;
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import java.util.UUID;
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import org.checkerframework.checker.nullness.qual.Nullable;
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public abstract class ViaListener {
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private final Class<? extends Protocol> requiredPipeline;
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private boolean registered;
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protected ViaListener(Class<? extends Protocol> requiredPipeline) {
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this.requiredPipeline = requiredPipeline;
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}
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/**
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* Get the UserConnection from a UUID
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*
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* @param uuid UUID object
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* @return The UserConnection
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*/
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protected @Nullable UserConnection getUserConnection(UUID uuid) {
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return Via.getManager().getConnectionManager().getConnectedClient(uuid);
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}
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/**
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* Checks if the UUID is on the selected pipe
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*
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* @param uuid UUID Object
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* @return True if on pipe
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*/
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protected boolean isOnPipe(UUID uuid) {
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UserConnection userConnection = getUserConnection(uuid);
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return userConnection != null &&
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(requiredPipeline == null || userConnection.getProtocolInfo().getPipeline().contains(requiredPipeline));
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}
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/**
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* Register the event
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*/
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public abstract void register();
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protected Class<? extends Protocol> getRequiredPipeline() {
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return requiredPipeline;
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}
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protected boolean isRegistered() {
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return registered;
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}
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protected void setRegistered(boolean registered) {
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this.registered = registered;
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}
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}
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