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   1 /**
   2  * Copyright (c) 2010-2023 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   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
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.mqtt.ruuvigateway;
  14
  15 import static org.junit.jupiter.api.Assertions.assertInstanceOf;
  16
  17 import java.util.Collections;
  18 import java.util.HashMap;
  19 import java.util.List;
  20 import java.util.Map;
  21 import java.util.Objects;
  22 import java.util.Set;
  23 import java.util.concurrent.CopyOnWriteArrayList;
  24
  25 import org.eclipse.jdt.annotation.NonNull;
  26 import org.eclipse.jdt.annotation.NonNullByDefault;
  27 import org.eclipse.jdt.annotation.Nullable;
  28 import org.openhab.core.events.Event;
  29 import org.openhab.core.events.EventFilter;
  30 import org.openhab.core.events.EventSubscriber;
  31 import org.openhab.core.thing.ThingStatusInfo;
  32 import org.openhab.core.thing.ThingUID;
  33 import org.openhab.core.thing.events.ThingStatusInfoChangedEvent;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36
  37 /**
  38  * Test utility capturing thing status updates
  39  *
  40  * @author Sami Salonen - Initial contribution
  41  */
  42 @NonNullByDefault
  43 public class ThingStatusInfoChangedSubscriber implements EventSubscriber {
  44
  45     private final Logger logger = LoggerFactory.getLogger(ThingStatusInfoChangedSubscriber.class);
  46
  47     public Map<ThingUID, List<ThingStatusInfo>> statusUpdates = new HashMap<>();
  48
  49     @Override
  50     public Set<@NonNull String> getSubscribedEventTypes() {
  51         return Collections.singleton(ThingStatusInfoChangedEvent.TYPE);
  52     }
  53
  54     @Override
  55     public @Nullable EventFilter getEventFilter() {
  56         return null;
  57     }
  58
  59     @Override
  60     public void receive(Event event) {
  61         // Expecting only state updates in the tests
  62         assertInstanceOf(ThingStatusInfoChangedEvent.class, event);
  63         ThingStatusInfoChangedEvent statusEvent = (ThingStatusInfoChangedEvent) event;
  64         logger.trace("Captured event: {} ", event);
  65         List<ThingStatusInfo> updates = statusUpdates.computeIfAbsent(statusEvent.getThingUID(),
  66                 item -> new CopyOnWriteArrayList<>());
  67         Objects.requireNonNull(updates); // To make compiler happy
  68         updates.add(statusEvent.getStatusInfo());
  69     }
  70 }