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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.elroconnects.internal;
  14
  15 import java.util.Locale;
  16 import java.util.Map;
  17 import java.util.concurrent.ConcurrentHashMap;
  18
  19 import org.eclipse.jdt.annotation.NonNullByDefault;
  20 import org.eclipse.jdt.annotation.Nullable;
  21 import org.openhab.core.thing.Channel;
  22 import org.openhab.core.thing.ChannelUID;
  23 import org.openhab.core.thing.type.DynamicStateDescriptionProvider;
  24 import org.openhab.core.types.StateDescription;
  25 import org.osgi.service.component.annotations.Component;
  26 import org.osgi.service.component.annotations.Deactivate;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 /**
  31  *
  32  * @author Mark Herwege - Initial contribution
  33  */
  34 @Component(service = { DynamicStateDescriptionProvider.class, ElroConnectsDynamicStateDescriptionProvider.class })
  35 @NonNullByDefault
  36 public class ElroConnectsDynamicStateDescriptionProvider implements DynamicStateDescriptionProvider {
  37
  38     private final Logger logger = LoggerFactory.getLogger(ElroConnectsDynamicStateDescriptionProvider.class);
  39
  40     private final Map<ChannelUID, @Nullable StateDescription> descriptions = new ConcurrentHashMap<>();
  41
  42     public void setDescription(ChannelUID channelUID, @Nullable StateDescription description) {
  43         logger.debug("Adding command description for channel {}", channelUID);
  44         descriptions.put(channelUID, description);
  45     }
  46
  47     public void removeAllDescriptions() {
  48         logger.debug("Removing all command descriptions");
  49         descriptions.clear();
  50     }
  51
  52     @Override
  53     public @Nullable StateDescription getStateDescription(Channel channel,
  54             @Nullable StateDescription originalStateDescription, @Nullable Locale locale) {
  55         StateDescription description = descriptions.get(channel.getUID());
  56         return description;
  57     }
  58
  59     @Deactivate
  60     public void deactivate() {
  61         descriptions.clear();
  62     }
  63 }