79 lines
2.4 KiB
Java
79 lines
2.4 KiB
Java
/*
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* WorldEdit, a Minecraft world manipulation toolkit
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* Copyright (C) sk89q <http://www.sk89q.com>
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* Copyright (C) WorldEdit team and contributors
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by the
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* 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, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
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* for more details.
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*
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* You should have received a copy of the GNU Lesser 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.sk89q.worldedit.registry;
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import com.google.common.collect.Maps;
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import static com.google.common.base.Preconditions.checkState;
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import static java.util.Objects.requireNonNull;
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import javax.annotation.Nullable;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.Locale;
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import java.util.Map;
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import java.util.Set;
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public class Registry<V extends Keyed> implements IRegistry<V> {
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private final Map<String, V> map;
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private final String name;
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public Registry(String name, Map<String, V> map) {
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this.name = name;
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this.map = map;
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}
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public Registry(final String name) {
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this(name, Maps.newHashMap());
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}
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public String getName() {
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return name;
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}
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public Map<String, V> getMap() {
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return map;
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}
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@Nullable
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public V get(final String key) {
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checkState(key.equals(key.toLowerCase(Locale.ROOT)), "key must be lowercase");
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return this.map.get(key);
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}
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public V register(final String key, final V value) {
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requireNonNull(key, "key");
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requireNonNull(value, "value");
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checkState(key.equals(key.toLowerCase(Locale.ROOT)), "key must be lowercase");
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checkState(!this.map.containsKey(key), "key '%s' already has an associated %s", key, this.name);
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this.map.put(key, value);
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return value;
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}
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public Set<String> keySet() {
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return Collections.unmodifiableSet(this.map.keySet());
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}
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public Collection<V> values() {
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return Collections.unmodifiableCollection(this.map.values());
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}
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}
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