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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.boschshc.internal.devices.lightcontrol;
  14
  15 import static org.openhab.binding.boschshc.internal.devices.BoschSHCBindingConstants.*;
  16
  17 import java.util.List;
  18
  19 import javax.measure.quantity.Energy;
  20 import javax.measure.quantity.Power;
  21
  22 import org.eclipse.jdt.annotation.NonNullByDefault;
  23 import org.openhab.binding.boschshc.internal.devices.BoschSHCHandler;
  24 import org.openhab.binding.boschshc.internal.exceptions.BoschSHCException;
  25 import org.openhab.binding.boschshc.internal.services.powermeter.PowerMeterService;
  26 import org.openhab.binding.boschshc.internal.services.powermeter.dto.PowerMeterServiceState;
  27 import org.openhab.binding.boschshc.internal.services.powerswitch.PowerSwitchService;
  28 import org.openhab.binding.boschshc.internal.services.powerswitch.PowerSwitchState;
  29 import org.openhab.binding.boschshc.internal.services.powerswitch.dto.PowerSwitchServiceState;
  30 import org.openhab.core.library.types.OnOffType;
  31 import org.openhab.core.library.types.QuantityType;
  32 import org.openhab.core.library.unit.Units;
  33 import org.openhab.core.thing.ChannelUID;
  34 import org.openhab.core.thing.Thing;
  35 import org.openhab.core.types.Command;
  36 import org.openhab.core.types.State;
  37
  38 /**
  39  * A simple light control.
  40  *
  41  * @author Stefan Kästle - Initial contribution
  42  */
  43 @NonNullByDefault
  44 public class LightControlHandler extends BoschSHCHandler {
  45
  46     private final PowerSwitchService powerSwitchService;
  47
  48     public LightControlHandler(Thing thing) {
  49         super(thing);
  50         this.powerSwitchService = new PowerSwitchService();
  51     }
  52
  53     @Override
  54     protected void initializeServices() throws BoschSHCException {
  55         super.initializeServices();
  56
  57         this.registerService(this.powerSwitchService, this::updateChannels, List.of(CHANNEL_POWER_SWITCH));
  58         this.createService(PowerMeterService::new, this::updateChannels,
  59                 List.of(CHANNEL_POWER_CONSUMPTION, CHANNEL_ENERGY_CONSUMPTION));
  60     }
  61
  62     @Override
  63     public void handleCommand(ChannelUID channelUID, Command command) {
  64         super.handleCommand(channelUID, command);
  65
  66         switch (channelUID.getId()) {
  67             case CHANNEL_POWER_SWITCH:
  68                 if (command instanceof OnOffType) {
  69                     updatePowerSwitchState((OnOffType) command);
  70                 }
  71                 break;
  72         }
  73     }
  74
  75     /**
  76      * Updates the channels which are linked to the {@link PowerMeterService} of the device.
  77      *
  78      * @param state Current state of {@link PowerMeterService}.
  79      */
  80     private void updateChannels(PowerMeterServiceState state) {
  81         super.updateState(CHANNEL_POWER_CONSUMPTION, new QuantityType<Power>(state.powerConsumption, Units.WATT));
  82         super.updateState(CHANNEL_ENERGY_CONSUMPTION,
  83                 new QuantityType<Energy>(state.energyConsumption, Units.WATT_HOUR));
  84     }
  85
  86     /**
  87      * Updates the channels which are linked to the {@link PowerSwitchService} of the device.
  88      *
  89      * @param state Current state of {@link PowerSwitchService}.
  90      */
  91     private void updateChannels(PowerSwitchServiceState state) {
  92         State powerState = OnOffType.from(state.switchState.toString());
  93         super.updateState(CHANNEL_POWER_SWITCH, powerState);
  94     }
  95
  96     private void updatePowerSwitchState(OnOffType command) {
  97         PowerSwitchServiceState state = new PowerSwitchServiceState();
  98         state.switchState = PowerSwitchState.valueOf(command.toFullString());
  99         this.updateServiceState(this.powerSwitchService, state);
 100     }
 101 }