Java tutorial
/* * This file is part of LuckPerms, licensed under the MIT License. * * Copyright (c) lucko (Luck) <luck@lucko.me> * 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 me.lucko.luckperms.common.api.delegates.model; import lombok.AccessLevel; import lombok.AllArgsConstructor; import lombok.Getter; import lombok.NonNull; import com.google.common.base.Preconditions; import me.lucko.luckperms.api.DataMutateResult; import me.lucko.luckperms.api.Group; import me.lucko.luckperms.api.Track; import java.util.List; @AllArgsConstructor public final class ApiTrack implements Track { public static me.lucko.luckperms.common.model.Track cast(Track g) { Preconditions.checkState(g instanceof ApiTrack, "Illegal instance " + g.getClass() + " cannot be handled by this implementation."); return ((ApiTrack) g).getHandle(); } @Getter(AccessLevel.PACKAGE) private final me.lucko.luckperms.common.model.Track handle; @Override public String getName() { return handle.getName(); } @Override public List<String> getGroups() { return handle.getGroups(); } @Override public int getSize() { return handle.getSize(); } @Override public String getNext(@NonNull Group current) { try { return handle.getNext(ApiGroup.cast(current)); } catch (IllegalArgumentException e) { return null; } } @Override public String getPrevious(@NonNull Group current) { try { return handle.getPrevious(ApiGroup.cast(current)); } catch (IllegalArgumentException e) { return null; } } @Override public DataMutateResult appendGroup(@NonNull Group group) { return handle.appendGroup(ApiGroup.cast(group)); } @Override public DataMutateResult insertGroup(@NonNull Group group, @NonNull int position) throws IndexOutOfBoundsException { return handle.insertGroup(ApiGroup.cast(group), position); } @Override public DataMutateResult removeGroup(@NonNull Group group) { return handle.removeGroup(ApiGroup.cast(group)); } @Override public DataMutateResult removeGroup(@NonNull String group) { return handle.removeGroup(group); } @Override public boolean containsGroup(@NonNull Group group) { return handle.containsGroup(ApiGroup.cast(group)); } @Override public boolean containsGroup(@NonNull String group) { return handle.containsGroup(group); } @Override public void clearGroups() { handle.clearGroups(); } public boolean equals(Object o) { if (o == this) return true; if (!(o instanceof ApiTrack)) return false; ApiTrack other = (ApiTrack) o; return handle.equals(other.handle); } public int hashCode() { return handle.hashCode(); } }