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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.tplinksmarthome.internal.device;
  14
  15 import static org.openhab.binding.tplinksmarthome.internal.TPLinkSmartHomeBindingConstants.*;
  16
  17 import org.eclipse.jdt.annotation.NonNullByDefault;
  18 import org.openhab.binding.tplinksmarthome.internal.Commands;
  19 import org.openhab.binding.tplinksmarthome.internal.model.Realtime;
  20 import org.openhab.core.library.types.QuantityType;
  21 import org.openhab.core.library.unit.Units;
  22 import org.openhab.core.thing.ChannelUID;
  23 import org.openhab.core.types.State;
  24 import org.openhab.core.types.UnDefType;
  25
  26 /**
  27  * TP-Link Smart Home Switch device that also can measure energy usage.
  28  *
  29  * @author Hilbrand Bouwkamp - Initial contribution
  30  */
  31 @NonNullByDefault
  32 public class EnergySwitchDevice extends SwitchDevice {
  33
  34     @Override
  35     public String getUpdateCommand() {
  36         return Commands.getRealtimeAndSysinfo();
  37     }
  38
  39     @Override
  40     public State updateChannel(ChannelUID channelUid, DeviceState deviceState) {
  41         final State state;
  42         final String matchChannelId = channelUid.isInGroup() ? channelUid.getIdWithoutGroup() : channelUid.getId();
  43
  44         if (CHANNELS_ENERGY.contains(matchChannelId)) {
  45             state = updateEnergyChannel(matchChannelId, deviceState.getRealtime());
  46         } else {
  47             state = super.updateChannel(channelUid, deviceState);
  48         }
  49         return state;
  50     }
  51
  52     /**
  53      * Gets the state for an energy channel.
  54      *
  55      * @param channelId Id of the energy channel to get the state
  56      * @param realtime data object containing the data from the device
  57      * @return state object for the given channel
  58      */
  59     protected State updateEnergyChannel(String channelId, Realtime realtime) {
  60         final State value;
  61
  62         switch (channelId) {
  63             case CHANNEL_ENERGY_CURRENT:
  64                 value = new QuantityType<>(realtime.getCurrent(), Units.AMPERE);
  65                 break;
  66             case CHANNEL_ENERGY_TOTAL:
  67                 value = new QuantityType<>(realtime.getTotal(), Units.KILOWATT_HOUR);
  68                 break;
  69             case CHANNEL_ENERGY_VOLTAGE:
  70                 value = new QuantityType<>(realtime.getVoltage(), Units.VOLT);
  71                 break;
  72             case CHANNEL_ENERGY_POWER:
  73                 value = new QuantityType<>(realtime.getPower(), Units.WATT);
  74                 break;
  75             default:
  76                 value = UnDefType.UNDEF;
  77                 break;
  78         }
  79         return value;
  80     }
  81 }