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   1 /**
   2  * Copyright (c) 2010-2022 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.fineoffsetweatherstation.internal.handler;
  14
  15 import java.math.BigDecimal;
  16
  17 import org.eclipse.jdt.annotation.NonNullByDefault;
  18 import org.eclipse.jdt.annotation.Nullable;
  19 import org.openhab.binding.fineoffsetweatherstation.internal.FineOffsetWeatherStationBindingConstants;
  20 import org.openhab.binding.fineoffsetweatherstation.internal.domain.response.SensorDevice;
  21 import org.openhab.core.library.types.DecimalType;
  22 import org.openhab.core.library.types.OnOffType;
  23 import org.openhab.core.thing.Channel;
  24 import org.openhab.core.thing.ChannelUID;
  25 import org.openhab.core.thing.Thing;
  26 import org.openhab.core.thing.ThingStatus;
  27 import org.openhab.core.thing.ThingStatusDetail;
  28 import org.openhab.core.thing.binding.BaseThingHandler;
  29 import org.openhab.core.types.Command;
  30
  31 /**
  32  * The {@link FineOffsetSensorHandler} keeps track of the signal and battery of the sensor attached to the gateway.
  33  *
  34  * @author Andreas Berger - Initial contribution
  35  */
  36 @NonNullByDefault
  37 public class FineOffsetSensorHandler extends BaseThingHandler {
  38     private boolean disposed;
  39
  40     public FineOffsetSensorHandler(Thing thing) {
  41         super(thing);
  42     }
  43
  44     @Override
  45     public void handleCommand(ChannelUID channelUID, Command command) {
  46     }
  47
  48     @Override
  49     public void initialize() {
  50         updateStatus(ThingStatus.ONLINE);
  51         disposed = false;
  52     }
  53
  54     @Override
  55     public void dispose() {
  56         disposed = true;
  57     }
  58
  59     public void updateSensorState(@Nullable SensorDevice sensorDevice) {
  60         if (disposed) {
  61             return;
  62         }
  63         if (sensorDevice == null) {
  64             updateStatus(ThingStatus.OFFLINE);
  65             return;
  66         }
  67         if (sensorDevice.getSignal() == 0) {
  68             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR);
  69         } else {
  70             updateStatus(ThingStatus.ONLINE);
  71         }
  72         updateState(FineOffsetWeatherStationBindingConstants.SENSOR_CHANNEL_SIGNAL,
  73                 new DecimalType(sensorDevice.getSignal()));
  74         updateState(FineOffsetWeatherStationBindingConstants.SENSOR_CHANNEL_LOW_BATTERY,
  75                 sensorDevice.getBatteryStatus().isLow() ? OnOffType.ON : OnOffType.OFF);
  76         Integer percentage = sensorDevice.getBatteryStatus().getPercentage();
  77         if (percentage != null) {
  78             updateState(FineOffsetWeatherStationBindingConstants.SENSOR_CHANNEL_BATTERY_LEVEL,
  79                     new DecimalType(new BigDecimal(percentage)));
  80         } else {
  81             @Nullable
  82             Channel channel = thing.getChannel(FineOffsetWeatherStationBindingConstants.SENSOR_CHANNEL_BATTERY_LEVEL);
  83             if (channel != null) {
  84                 updateThing(editThing().withoutChannels(channel).build());
  85             }
  86         }
  87     }
  88 }