2 * Copyright (c) 2010-2023 Contributors to the openHAB project
4 * See the NOTICE file(s) distributed with this work for additional
7 * This program and the accompanying materials are made available under the
8 * terms of the Eclipse Public License 2.0 which is available at
9 * http://www.eclipse.org/legal/epl-2.0
11 * SPDX-License-Identifier: EPL-2.0
13 package org.openhab.binding.netatmo.internal.handler.capability;
15 import java.util.Optional;
16 import java.util.concurrent.ConcurrentHashMap;
18 import org.eclipse.jdt.annotation.NonNullByDefault;
21 * {@link CapabilityMap} is a specialized Map designed to store capabilities
23 * @author Gaƫl L'hopital - Initial contribution
27 public class CapabilityMap extends ConcurrentHashMap<Class<?>, Capability> {
28 private static final long serialVersionUID = -3043492242108419801L;
30 public void put(Capability capability) {
31 Class<? extends Capability> clazz = capability.getClass();
32 if (super.get(clazz) == null) {
33 super.put(clazz, capability);
37 public <T extends Capability> Optional<T> get(Class<T> clazz) {
38 @SuppressWarnings("unchecked")
39 T cap = (T) super.get(clazz);
40 return Optional.ofNullable(cap);