85 lines
2.4 KiB
Java
85 lines
2.4 KiB
Java
/**
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*
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* Copyright 2020 Paul Schaub
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.avatar;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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import org.jivesoftware.smack.util.HashCode;
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import org.jivesoftware.smack.util.Objects;
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import org.jxmpp.jid.EntityBareJid;
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public class MemoryAvatarMetadataStore implements AvatarMetadataStore {
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private Map<Tuple<EntityBareJid, String>, Boolean> availabilityMap = new ConcurrentHashMap<>();
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@Override
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public boolean hasAvatarAvailable(EntityBareJid jid, String itemId) {
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Boolean available = availabilityMap.get(new Tuple<>(jid, itemId));
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return available != null && available;
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}
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@Override
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public void setAvatarAvailable(EntityBareJid jid, String itemId) {
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availabilityMap.put(new Tuple<>(jid, itemId), Boolean.TRUE);
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}
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private static class Tuple<A, B> {
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private final A first;
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private final B second;
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Tuple(A first, B second) {
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this.first = first;
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this.second = second;
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}
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public A getFirst() {
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return first;
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}
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public B getSecond() {
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return second;
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}
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@Override
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public int hashCode() {
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return HashCode.builder()
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.append(first)
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.append(second)
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.build();
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}
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@Override
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public boolean equals(Object obj) {
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if (obj == null) {
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return false;
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}
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if (obj == this) {
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return true;
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}
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if (!(obj instanceof Tuple)) {
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return false;
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}
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@SuppressWarnings("unchecked") Tuple<A, B> other = (Tuple<A, B>) obj;
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return Objects.equals(getFirst(), other.getFirst())
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&& Objects.equals(getSecond(), other.getSecond());
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}
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}
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}
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