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An advanced permissions plugin for Bukkit/Spigot, BungeeCord, Sponge, Nukkit and Velocity.
/*
* This file is part of LuckPerms, licensed under the MIT License.
*
* Copyright (c) lucko (Luck)
* 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.api.context;
import com.google.common.collect.HashMultimap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.ImmutableSetMultimap;
import com.google.common.collect.Multimap;
import com.google.common.collect.Multimaps;
import com.google.common.collect.SetMultimap;
import java.util.Collection;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import javax.annotation.Nonnull;
/**
* A mutable implementation of {@link ContextSet}.
*
* @since 2.16
*/
public final class MutableContextSet extends AbstractContextSet implements ContextSet {
/**
* Creates a {@link MutableContextSet} from a context pair.
*
* @param key the key
* @param value the value
* @return a new MutableContextSet containing one context pair
* @throws NullPointerException if key or value is null
*/
@Nonnull
public static MutableContextSet singleton(@Nonnull String key, @Nonnull String value) {
Objects.requireNonNull(key, "key");
Objects.requireNonNull(value, "value");
MutableContextSet set = MutableContextSet.create();
set.add(key, value);
return set;
}
/**
* Creates a {@link MutableContextSet} from two context pairs.
*
* @param key1 the first key
* @param value1 the first value
* @param key2 the second key
* @param value2 the second value
* @return a new MutableContextSet containing the two pairs
* @throws NullPointerException if any of the keys or values are null
* @since 3.1
*/
@Nonnull
public static MutableContextSet of(@Nonnull String key1, @Nonnull String value1, @Nonnull String key2, @Nonnull String value2) {
Objects.requireNonNull(key1, "key1");
Objects.requireNonNull(value1, "value1");
Objects.requireNonNull(key2, "key2");
Objects.requireNonNull(value2, "value2");
MutableContextSet set = create();
set.add(key1, value1);
set.add(key2, value2);
return set;
}
/**
* Creates a {@link MutableContextSet} from an existing {@link Iterable} of {@link Map.Entry}s.
*
* @param iterable the iterable to copy from
* @return a new MutableContextSet representing the pairs in the iterable
* @throws NullPointerException if the iterable is null
*/
@Nonnull
public static MutableContextSet fromEntries(@Nonnull Iterable> iterable) {
Objects.requireNonNull(iterable, "iterable");
MutableContextSet set = create();
set.addAll(iterable);
return set;
}
/**
* Creates a {@link MutableContextSet} from an existing {@link Map}.
*
* @param map the map to copy from
* @return a new MutableContextSet representing the pairs from the map
* @throws NullPointerException if the map is null
*/
@Nonnull
public static MutableContextSet fromMap(@Nonnull Map map) {
Objects.requireNonNull(map, "map");
MutableContextSet set = create();
set.addAll(map);
return set;
}
/**
* Creates a {@link MutableContextSet} from an existing {@link Multimap}.
*
* @param multimap the multimap to copy from
* @return a new MutableContextSet representing the pairs in the multimap
* @throws NullPointerException if the multimap is null
* @since 2.16
*/
@Nonnull
public static MutableContextSet fromMultimap(@Nonnull Multimap multimap) {
Objects.requireNonNull(multimap, "multimap");
MutableContextSet set = create();
set.addAll(multimap);
return set;
}
/**
* Creates a new {@link MutableContextSet} from an existing {@link Set}.
*
* Only really useful for converting between mutable and immutable types.
*
* @param contextSet the context set to copy from
* @return a new MutableContextSet with the same content and the one provided
* @throws NullPointerException if contextSet is null
*/
@Nonnull
public static MutableContextSet fromSet(@Nonnull ContextSet contextSet) {
Objects.requireNonNull(contextSet, "contextSet");
MutableContextSet set = create();
set.addAll(contextSet);
return set;
}
/**
* Creates a new empty MutableContextSet.
*
* @return a new MutableContextSet
*/
@Nonnull
public static MutableContextSet create() {
return new MutableContextSet();
}
private final SetMultimap map;
public MutableContextSet() {
this.map = Multimaps.synchronizedSetMultimap(HashMultimap.create());
}
private MutableContextSet(MutableContextSet other) {
this.map = Multimaps.synchronizedSetMultimap(HashMultimap.create(other.map));
}
@Override
protected Multimap backing() {
return this.map;
}
@Override
public boolean isImmutable() {
return false;
}
@Nonnull
@Override
public ImmutableContextSet makeImmutable() {
// if the map is empty, don't create a new instance
if (this.map.isEmpty()) {
return ImmutableContextSet.empty();
}
return new ImmutableContextSet(ImmutableSetMultimap.copyOf(this.map));
}
@Nonnull
@Override
public MutableContextSet mutableCopy() {
return new MutableContextSet(this);
}
@Nonnull
@Override
public Set> toSet() {
return ImmutableSet.copyOf(this.map.entries());
}
@Nonnull
@Override
public Multimap toMultimap() {
return ImmutableSetMultimap.copyOf(this.map);
}
/**
* Adds a context to this set.
*
* @param key the key to add
* @param value the value to add
* @throws NullPointerException if the key or value is null
*/
public void add(@Nonnull String key, @Nonnull String value) {
this.map.put(sanitizeKey(key), sanitizeValue(value));
}
/**
* Adds a context to this set.
*
* @param entry the entry to add
* @throws NullPointerException if the entry is null
*/
public void add(@Nonnull Map.Entry entry) {
Objects.requireNonNull(entry, "entry");
add(entry.getKey(), entry.getValue());
}
/**
* Adds the contexts contained in the given {@link Iterable} to this set.
*
* @param iterable an iterable of key value context pairs
* @throws NullPointerException if iterable is null
*/
public void addAll(@Nonnull Iterable> iterable) {
for (Map.Entry e : Objects.requireNonNull(iterable, "iterable")) {
add(e);
}
}
/**
* Adds the contexts contained in the given {@link Map} to this set.
*
* @param map the map to add from
* @throws NullPointerException if the map is null
*/
public void addAll(@Nonnull Map map) {
addAll(Objects.requireNonNull(map, "map").entrySet());
}
/**
* Adds the contexts contained in the given {@link Multimap} to this set.
*
* @param multimap the multimap to add from
* @throws NullPointerException if the map is null
* @since 3.4
*/
public void addAll(@Nonnull Multimap multimap) {
addAll(Objects.requireNonNull(multimap, "multimap").entries());
}
/**
* Adds of of the contexts in another {@link ContextSet} to this set.
*
* @param contextSet the set to add from
* @throws NullPointerException if the contextSet is null
*/
public void addAll(@Nonnull ContextSet contextSet) {
Objects.requireNonNull(contextSet, "contextSet");
if (contextSet instanceof AbstractContextSet) {
AbstractContextSet other = ((AbstractContextSet) contextSet);
this.map.putAll(other.backing());
} else {
addAll(contextSet.toMultimap());
}
}
/**
* Removes a context from this set.
*
* @param key the key to remove
* @param value the value to remove (case sensitive)
* @throws NullPointerException if the key or value is null
*/
public void remove(@Nonnull String key, @Nonnull String value) {
this.map.remove(sanitizeKey(key), sanitizeValue(value));
}
/**
* Removes a context from this set. (case-insensitive)
*
* @param key the key to remove
* @param value the value to remove
* @throws NullPointerException if the key or value is null
*/
public void removeIgnoreCase(@Nonnull String key, @Nonnull String value) {
String v = sanitizeValue(value);
Collection strings = this.map.asMap().get(sanitizeKey(key));
if (strings != null) {
strings.removeIf(e -> e.equalsIgnoreCase(v));
}
}
/**
* Removes all contexts from this set with the given key.
*
* @param key the key to remove
* @throws NullPointerException if the key is null
*/
public void removeAll(@Nonnull String key) {
this.map.removeAll(sanitizeKey(key));
}
/**
* Removes all contexts from the set.
*/
public void clear() {
this.map.clear();
}
@Override
public String toString() {
return "MutableContextSet(contexts=" + this.map + ")";
}
}
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