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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.tradfri.internal.handler;
  14
  15 import static org.openhab.binding.tradfri.internal.TradfriBindingConstants.CHANNEL_POWER;
  16
  17 import org.eclipse.jdt.annotation.NonNullByDefault;
  18 import org.openhab.binding.tradfri.internal.TradfriCoapClient;
  19 import org.openhab.binding.tradfri.internal.model.TradfriPlugData;
  20 import org.openhab.core.library.types.OnOffType;
  21 import org.openhab.core.thing.ChannelUID;
  22 import org.openhab.core.thing.Thing;
  23 import org.openhab.core.thing.ThingStatus;
  24 import org.openhab.core.types.Command;
  25 import org.openhab.core.types.RefreshType;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 import com.google.gson.JsonElement;
  30
  31 /**
  32  * The {@link TradfriPlugHandler} is responsible for handling commands for individual plugs.
  33  *
  34  * @author Kai Kreuzer - Initial contribution
  35  */
  36 @NonNullByDefault
  37 public class TradfriPlugHandler extends TradfriThingHandler {
  38
  39     private final Logger logger = LoggerFactory.getLogger(TradfriPlugHandler.class);
  40
  41     public TradfriPlugHandler(Thing thing) {
  42         super(thing);
  43     }
  44
  45     @Override
  46     public void onUpdate(JsonElement data) {
  47         if (active && !(data.isJsonNull())) {
  48             TradfriPlugData state = new TradfriPlugData(data);
  49             updateStatus(state.getReachabilityStatus() ? ThingStatus.ONLINE : ThingStatus.OFFLINE);
  50
  51             updateState(CHANNEL_POWER, state.getOnOffState() ? OnOffType.ON : OnOffType.OFF);
  52             updateDeviceProperties(state);
  53         }
  54     }
  55
  56     private void setState(OnOffType onOff) {
  57         TradfriPlugData data = new TradfriPlugData();
  58         data.setOnOffState(onOff == OnOffType.ON);
  59         set(data.getJsonString());
  60     }
  61
  62     @Override
  63     public void handleCommand(ChannelUID channelUID, Command command) {
  64         if (active) {
  65             if (command instanceof RefreshType) {
  66                 TradfriCoapClient coapClient = this.coapClient;
  67                 if (coapClient != null) {
  68                     logger.debug("Refreshing channel {}", channelUID);
  69                     coapClient.asyncGet(this);
  70                 } else {
  71                     logger.debug("coapClient is null!");
  72                 }
  73                 return;
  74             }
  75
  76             switch (channelUID.getId()) {
  77                 case CHANNEL_POWER:
  78                     if (command instanceof OnOffType) {
  79                         setState(((OnOffType) command));
  80                     } else {
  81                         logger.debug("Cannot handle command '{}' for channel '{}'", command, CHANNEL_POWER);
  82                     }
  83                     break;
  84                 default:
  85                     logger.error("Unknown channel UID {}", channelUID);
  86             }
  87         }
  88     }
  89 }