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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.livisismarthome.internal.handler;
  14
  15 import static org.openhab.binding.livisismarthome.internal.LivisiBindingConstants.*;
  16
  17 import java.time.format.DateTimeFormatter;
  18 import java.time.format.FormatStyle;
  19 import java.util.Map;
  20 import java.util.Map.Entry;
  21 import java.util.Optional;
  22
  23 import org.eclipse.jdt.annotation.NonNullByDefault;
  24 import org.eclipse.jdt.annotation.Nullable;
  25 import org.openhab.binding.livisismarthome.internal.client.api.entity.action.ShutterActionType;
  26 import org.openhab.binding.livisismarthome.internal.client.api.entity.capability.CapabilityDTO;
  27 import org.openhab.binding.livisismarthome.internal.client.api.entity.capability.CapabilityStateDTO;
  28 import org.openhab.binding.livisismarthome.internal.client.api.entity.device.DeviceDTO;
  29 import org.openhab.binding.livisismarthome.internal.client.api.entity.event.EventDTO;
  30 import org.openhab.binding.livisismarthome.internal.client.api.entity.event.EventPropertiesDTO;
  31 import org.openhab.binding.livisismarthome.internal.listener.DeviceStatusListener;
  32 import org.openhab.core.library.types.DecimalType;
  33 import org.openhab.core.library.types.OnOffType;
  34 import org.openhab.core.library.types.OpenClosedType;
  35 import org.openhab.core.library.types.PercentType;
  36 import org.openhab.core.library.types.QuantityType;
  37 import org.openhab.core.library.types.StopMoveType;
  38 import org.openhab.core.library.types.StringType;
  39 import org.openhab.core.library.types.UpDownType;
  40 import org.openhab.core.library.unit.SIUnits;
  41 import org.openhab.core.library.unit.Units;
  42 import org.openhab.core.thing.Bridge;
  43 import org.openhab.core.thing.Channel;
  44 import org.openhab.core.thing.ChannelUID;
  45 import org.openhab.core.thing.CommonTriggerEvents;
  46 import org.openhab.core.thing.Thing;
  47 import org.openhab.core.thing.ThingStatus;
  48 import org.openhab.core.thing.ThingStatusDetail;
  49 import org.openhab.core.thing.ThingStatusInfo;
  50 import org.openhab.core.thing.binding.BaseThingHandler;
  51 import org.openhab.core.thing.binding.ThingHandler;
  52 import org.openhab.core.types.Command;
  53 import org.openhab.core.types.RefreshType;
  54 import org.slf4j.Logger;
  55 import org.slf4j.LoggerFactory;
  56
  57 /**
  58  * The {@link LivisiDeviceHandler} is responsible for handling the {@link DeviceDTO}s and their commands, which are
  59  * sent to one of the channels.
  60  *
  61  * @author Oliver Kuhl - Initial contribution
  62  * @author Sven Strohschein - Renamed from Innogy to Livisi
  63  */
  64 @NonNullByDefault
  65 public class LivisiDeviceHandler extends BaseThingHandler implements DeviceStatusListener {
  66
  67     private static final int MIN_TEMPERATURE_CELSIUS = 6;
  68     private static final int MAX_TEMPERATURE_CELSIUS = 30;
  69     private static final String LONG_PRESS = "LongPress";
  70     private static final String SHORT_PRESS = "ShortPress";
  71
  72     private final Logger logger = LoggerFactory.getLogger(LivisiDeviceHandler.class);
  73     private final Object lock = new Object();
  74
  75     private String deviceId = "";
  76     private @Nullable LivisiBridgeHandler bridgeHandler;
  77
  78     /**
  79      * Constructs a new {@link LivisiDeviceHandler} for the given {@link Thing}.
  80      *
  81      * @param thing device thing
  82      */
  83     public LivisiDeviceHandler(final Thing thing) {
  84         super(thing);
  85     }
  86
  87     @Override
  88     public void handleCommand(final ChannelUID channelUID, final Command command) {
  89         logger.debug("handleCommand called for channel '{}' of type '{}' with command '{}'", channelUID,
  90                 getThing().getThingTypeUID().getId(), command);
  91
  92         if (ThingStatus.ONLINE.equals(getThing().getStatus())) {
  93             final Optional<LivisiBridgeHandler> bridgeHandlerOptional = getBridgeHandler();
  94             if (bridgeHandlerOptional.isPresent()) {
  95                 LivisiBridgeHandler bridgeHandler = bridgeHandlerOptional.get();
  96                 if (command instanceof RefreshType) {
  97                     final Optional<DeviceDTO> device = bridgeHandler.getDeviceById(deviceId);
  98                     device.ifPresent(this::onDeviceStateChanged);
  99                 } else {
 100                     executeCommand(channelUID, command, bridgeHandler);
 101                 }
 102             } else {
 103                 logger.warn("BridgeHandler not found. Cannot handle command without bridge.");
 104             }
 105         } else {
 106             logger.debug("Cannot handle command - thing is not online. Command ignored.");
 107         }
 108     }
 109
 110     private void executeCommand(ChannelUID channelUID, Command command, LivisiBridgeHandler bridgeHandler) {
 111         if (CHANNEL_SWITCH.equals(channelUID.getId())) {
 112             commandSwitchDevice(command, bridgeHandler);
 113         } else if (CHANNEL_DIMMER.equals(channelUID.getId())) {
 114             commandSetDimLevel(command, bridgeHandler);
 115         } else if (CHANNEL_ROLLERSHUTTER.equals(channelUID.getId())) {
 116             commandRollerShutter(command, bridgeHandler);
 117         } else if (CHANNEL_TARGET_TEMPERATURE.equals(channelUID.getId())) {
 118             commandUpdatePointTemperature(command, bridgeHandler);
 119         } else if (CHANNEL_OPERATION_MODE.equals(channelUID.getId())) {
 120             commandSetOperationMode(command, bridgeHandler);
 121         } else if (CHANNEL_ALARM.equals(channelUID.getId())) {
 122             commandSwitchAlarm(command, bridgeHandler);
 123         } else {
 124             logger.debug("UNSUPPORTED channel {} for device {}.", channelUID.getId(), deviceId);
 125         }
 126     }
 127
 128     private void commandSwitchDevice(Command command, LivisiBridgeHandler bridgeHandler) {
 129         if (command instanceof OnOffType) {
 130             bridgeHandler.commandSwitchDevice(deviceId, OnOffType.ON.equals(command));
 131         }
 132     }
 133
 134     private void commandSetDimLevel(Command command, LivisiBridgeHandler bridgeHandler) {
 135         if (command instanceof DecimalType) {
 136             final DecimalType dimLevel = (DecimalType) command;
 137             bridgeHandler.commandSetDimLevel(deviceId, dimLevel.intValue());
 138         } else if (command instanceof OnOffType) {
 139             if (OnOffType.ON.equals(command)) {
 140                 bridgeHandler.commandSetDimLevel(deviceId, 100);
 141             } else {
 142                 bridgeHandler.commandSetDimLevel(deviceId, 0);
 143             }
 144         }
 145     }
 146
 147     private void commandRollerShutter(Command command, LivisiBridgeHandler bridgeHandler) {
 148         if (command instanceof DecimalType) {
 149             final DecimalType rollerShutterLevel = (DecimalType) command;
 150             bridgeHandler.commandSetRollerShutterLevel(deviceId,
 151                     invertRollerShutterValueIfConfigured(rollerShutterLevel.intValue()));
 152         } else if (command instanceof OnOffType) {
 153             if (OnOffType.ON.equals(command)) {
 154                 bridgeHandler.commandSetRollerShutterStop(deviceId, ShutterActionType.DOWN);
 155             } else {
 156                 bridgeHandler.commandSetRollerShutterStop(deviceId, ShutterActionType.UP);
 157             }
 158         } else if (command instanceof UpDownType) {
 159             if (UpDownType.DOWN.equals(command)) {
 160                 bridgeHandler.commandSetRollerShutterStop(deviceId, ShutterActionType.DOWN);
 161             } else {
 162                 bridgeHandler.commandSetRollerShutterStop(deviceId, ShutterActionType.UP);
 163             }
 164         } else if (command instanceof StopMoveType) {
 165             if (StopMoveType.STOP.equals(command)) {
 166                 bridgeHandler.commandSetRollerShutterStop(deviceId, ShutterActionType.STOP);
 167             }
 168         }
 169     }
 170
 171     private void commandUpdatePointTemperature(Command command, LivisiBridgeHandler bridgeHandler) {
 172         if (command instanceof QuantityType) {
 173             final QuantityType<?> pointTemperatureCommand = ((QuantityType<?>) command).toUnit(SIUnits.CELSIUS);
 174             if (pointTemperatureCommand != null) {
 175                 commandUpdatePointTemperature(pointTemperatureCommand.doubleValue(), bridgeHandler);
 176             }
 177         } else if (command instanceof DecimalType) {
 178             commandUpdatePointTemperature(((DecimalType) command).doubleValue(), bridgeHandler);
 179         }
 180     }
 181
 182     private void commandUpdatePointTemperature(double pointTemperature, LivisiBridgeHandler bridgeHandler) {
 183         if (pointTemperature < MIN_TEMPERATURE_CELSIUS) {
 184             pointTemperature = MIN_TEMPERATURE_CELSIUS;
 185             logger.debug(
 186                     "pointTemperature set to value {} (instead of value '{}'), because it is the minimal possible value!",
 187                     MIN_TEMPERATURE_CELSIUS, pointTemperature);
 188         } else if (pointTemperature > MAX_TEMPERATURE_CELSIUS) {
 189             pointTemperature = MAX_TEMPERATURE_CELSIUS;
 190             logger.debug(
 191                     "pointTemperature set to value {} (instead of value '{}'), because it is the maximal possible value!",
 192                     MAX_TEMPERATURE_CELSIUS, pointTemperature);
 193         }
 194         bridgeHandler.commandUpdatePointTemperature(deviceId, pointTemperature);
 195     }
 196
 197     private void commandSetOperationMode(Command command, LivisiBridgeHandler bridgeHandler) {
 198         if (command instanceof StringType) {
 199             final String autoModeCommand = command.toString();
 200
 201             if (CapabilityStateDTO.STATE_VALUE_OPERATION_MODE_AUTO.equals(autoModeCommand)) {
 202                 bridgeHandler.commandSetOperationMode(deviceId, true);
 203             } else if (CapabilityStateDTO.STATE_VALUE_OPERATION_MODE_MANUAL.equals(autoModeCommand)) {
 204                 bridgeHandler.commandSetOperationMode(deviceId, false);
 205             } else {
 206                 logger.warn("Could not set operationMode. Invalid value '{}'! Only '{}' or '{}' allowed.",
 207                         autoModeCommand, CapabilityStateDTO.STATE_VALUE_OPERATION_MODE_AUTO,
 208                         CapabilityStateDTO.STATE_VALUE_OPERATION_MODE_MANUAL);
 209             }
 210         }
 211     }
 212
 213     private void commandSwitchAlarm(Command command, LivisiBridgeHandler bridgeHandler) {
 214         if (command instanceof OnOffType) {
 215             bridgeHandler.commandSwitchAlarm(deviceId, OnOffType.ON.equals(command));
 216         }
 217     }
 218
 219     @Override
 220     public void initialize() {
 221         logger.debug("Initializing LIVISI SmartHome device handler.");
 222         initializeThing(isBridgeOnline());
 223     }
 224
 225     @Override
 226     public void dispose() {
 227         unregisterListeners(bridgeHandler, deviceId);
 228     }
 229
 230     private static void unregisterListeners(@Nullable LivisiBridgeHandler bridgeHandler, String deviceId) {
 231         if (bridgeHandler != null) {
 232             bridgeHandler.unregisterDeviceStatusListener(deviceId);
 233         }
 234     }
 235
 236     @Override
 237     public void bridgeStatusChanged(final ThingStatusInfo bridgeStatusInfo) {
 238         logger.debug("bridgeStatusChanged {}", bridgeStatusInfo);
 239         initializeThing(ThingStatus.ONLINE == bridgeStatusInfo.getStatus());
 240     }
 241
 242     /**
 243      * Initializes the {@link Thing} corresponding to the given status of the bridge.
 244      *
 245      * @param isBridgeOnline true if the bridge thing is online, otherwise false
 246      */
 247     private void initializeThing(final boolean isBridgeOnline) {
 248         logger.debug("initializeThing thing {} bridge online status: {}", getThing().getUID(), isBridgeOnline);
 249         final String configDeviceId = (String) getConfig().get(PROPERTY_ID);
 250         if (configDeviceId != null) {
 251             deviceId = configDeviceId;
 252
 253             Optional<LivisiBridgeHandler> bridgeHandler = registerAtBridgeHandler();
 254             if (bridgeHandler.isPresent()) {
 255                 if (isBridgeOnline) {
 256                     initializeProperties();
 257
 258                     Optional<DeviceDTO> deviceOptional = getDevice();
 259                     if (deviceOptional.isPresent()) {
 260                         DeviceDTO device = deviceOptional.get();
 261                         if (device.isReachable() != null && !device.isReachable()) {
 262                             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 263                                     "@text/error.notReachable");
 264                         } else {
 265                             updateStatus(ThingStatus.ONLINE);
 266                         }
 267                     } else {
 268                         updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.GONE, "@text/error.deviceNotFound");
 269                     }
 270                 } else {
 271                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.BRIDGE_OFFLINE);
 272                 }
 273             } else {
 274                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 275                         "@text/error.bridgeHandlerMissing");
 276             }
 277         } else {
 278             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, "@text/error.deviceIdUnknown");
 279         }
 280     }
 281
 282     /**
 283      * Initializes all properties of the {@link DeviceDTO}, like vendor, serialnumber etc.
 284      */
 285     private void initializeProperties() {
 286         synchronized (this.lock) {
 287             final Optional<DeviceDTO> deviceOptional = getDevice();
 288             if (deviceOptional.isPresent()) {
 289                 DeviceDTO device = deviceOptional.get();
 290
 291                 final Map<String, String> properties = editProperties();
 292                 properties.put(PROPERTY_ID, device.getId());
 293                 properties.put(PROPERTY_PROTOCOL_ID, device.getConfig().getProtocolId());
 294                 if (device.hasSerialNumber()) {
 295                     properties.put(Thing.PROPERTY_SERIAL_NUMBER, device.getSerialNumber());
 296                 }
 297                 properties.put(Thing.PROPERTY_VENDOR, device.getManufacturer());
 298                 properties.put(PROPERTY_VERSION, device.getVersion());
 299                 if (device.hasLocation()) {
 300                     properties.put(PROPERTY_LOCATION, device.getLocation().getName());
 301                 }
 302                 if (device.isBatteryPowered()) {
 303                     properties.put(PROPERTY_BATTERY_POWERED, "yes");
 304                 } else {
 305                     properties.put(PROPERTY_BATTERY_POWERED, "no");
 306                 }
 307                 if (device.isController()) {
 308                     properties.put(PROPERTY_DEVICE_TYPE, "Controller");
 309                 } else if (device.isVirtualDevice()) {
 310                     properties.put(PROPERTY_DEVICE_TYPE, "Virtual");
 311                 } else if (device.isRadioDevice()) {
 312                     properties.put(PROPERTY_DEVICE_TYPE, "Radio");
 313                 }
 314
 315                 // Thermostat
 316                 if (DEVICE_RST.equals(device.getType()) || DEVICE_RST2.equals(device.getType())
 317                         || DEVICE_WRT.equals(device.getType())) {
 318                     properties.put(PROPERTY_DISPLAY_CURRENT_TEMPERATURE,
 319                             device.getConfig().getDisplayCurrentTemperature());
 320                 }
 321
 322                 // Meter
 323                 if (DEVICE_ANALOG_METER.equals(device.getType()) || DEVICE_GENERATION_METER.equals(device.getType())
 324                         || DEVICE_SMART_METER.equals(device.getType())
 325                         || DEVICE_TWO_WAY_METER.equals(device.getType())) {
 326                     properties.put(PROPERTY_METER_ID, device.getConfig().getMeterId());
 327                     properties.put(PROPERTY_METER_FIRMWARE_VERSION, device.getConfig().getMeterFirmwareVersion());
 328                 }
 329
 330                 if (device.getConfig().getTimeOfAcceptance() != null) {
 331                     properties.put(PROPERTY_TIME_OF_ACCEPTANCE, device.getConfig().getTimeOfAcceptance()
 332                             .format(DateTimeFormatter.ofLocalizedDateTime(FormatStyle.MEDIUM)));
 333                 }
 334                 if (device.getConfig().getTimeOfDiscovery() != null) {
 335                     properties.put(PROPERTY_TIME_OF_DISCOVERY, device.getConfig().getTimeOfDiscovery()
 336                             .format(DateTimeFormatter.ofLocalizedDateTime(FormatStyle.MEDIUM)));
 337                 }
 338
 339                 updateProperties(properties);
 340
 341                 onDeviceStateChanged(device);
 342             } else {
 343                 logger.debug("initializeProperties: The device with id {} isn't found", deviceId);
 344             }
 345         }
 346     }
 347
 348     @Override
 349     public void onDeviceStateChanged(final DeviceDTO device) {
 350         synchronized (this.lock) {
 351             updateChannels(device);
 352         }
 353     }
 354
 355     @Override
 356     public void onDeviceStateChanged(final DeviceDTO device, final EventDTO event) {
 357         synchronized (this.lock) {
 358             if (event.isLinkedtoCapability()) {
 359                 final String linkedCapabilityId = event.getSourceId();
 360
 361                 CapabilityDTO capability = device.getCapabilityMap().get(linkedCapabilityId);
 362                 if (capability != null) {
 363                     logger.trace("Loaded Capability {}, {} with id {}, device {} from device id {}",
 364                             capability.getType(), capability.getName(), capability.getId(), capability.getDeviceLink(),
 365                             device.getId());
 366
 367                     if (capability.hasState()) {
 368                         boolean deviceChanged = updateDevice(event, capability);
 369                         if (deviceChanged) {
 370                             updateChannels(device);
 371                         }
 372                     } else {
 373                         logger.debug("Capability {} has no state (yet?) - refreshing device.", capability.getName());
 374
 375                         Optional<DeviceDTO> deviceOptional = refreshDevice(linkedCapabilityId);
 376                         deviceOptional.ifPresent(this::updateChannels);
 377                     }
 378                 }
 379             } else if (event.isLinkedtoDevice()) {
 380                 if (device.hasDeviceState()) {
 381                     updateChannels(device);
 382                 } else {
 383                     logger.debug("Device {}/{} has no state.", device.getConfig().getName(), device.getId());
 384                 }
 385             }
 386         }
 387     }
 388
 389     private Optional<DeviceDTO> refreshDevice(String linkedCapabilityId) {
 390         Optional<LivisiBridgeHandler> bridgeHandler = registerAtBridgeHandler();
 391         Optional<DeviceDTO> deviceOptional = bridgeHandler.flatMap(bh -> bh.refreshDevice(deviceId));
 392         if (deviceOptional.isPresent()) {
 393             DeviceDTO device = deviceOptional.get();
 394             CapabilityDTO capability = device.getCapabilityMap().get(linkedCapabilityId);
 395             if (capability != null && capability.hasState()) {
 396                 return Optional.of(device);
 397             }
 398         }
 399         return Optional.empty();
 400     }
 401
 402     private boolean updateDevice(EventDTO event, CapabilityDTO capability) {
 403         CapabilityStateDTO capabilityState = capability.getCapabilityState();
 404
 405         // VariableActuator
 406         if (capability.isTypeVariableActuator()) {
 407             capabilityState.setVariableActuatorState(event.getProperties().getValue());
 408
 409             // SwitchActuator
 410         } else if (capability.isTypeSwitchActuator()) {
 411             capabilityState.setSwitchActuatorState(event.getProperties().getOnState());
 412
 413             // DimmerActuator
 414         } else if (capability.isTypeDimmerActuator()) {
 415             capabilityState.setDimmerActuatorState(event.getProperties().getDimLevel());
 416
 417             // RollerShutterActuator
 418         } else if (capability.isTypeRollerShutterActuator()) {
 419             capabilityState.setRollerShutterActuatorState(event.getProperties().getShutterLevel());
 420
 421             // TemperatureSensor
 422         } else if (capability.isTypeTemperatureSensor()) {
 423             // when values are changed, they come with separate events
 424             // values should only updated when they are not null
 425             final Double temperature = event.getProperties().getTemperature();
 426             final Boolean frostWarning = event.getProperties().getFrostWarning();
 427             if (temperature != null) {
 428                 capabilityState.setTemperatureSensorTemperatureState(temperature);
 429             }
 430             if (frostWarning != null) {
 431                 capabilityState.setTemperatureSensorFrostWarningState(frostWarning);
 432             }
 433
 434             // ThermostatActuator
 435         } else if (capability.isTypeThermostatActuator()) {
 436             // when values are changed, they come with separate events
 437             // values should only updated when they are not null
 438
 439             final Double pointTemperature = event.getProperties().getPointTemperature();
 440             final String operationMode = event.getProperties().getOperationMode();
 441             final Boolean windowReductionActive = event.getProperties().getWindowReductionActive();
 442
 443             if (pointTemperature != null) {
 444                 capabilityState.setThermostatActuatorPointTemperatureState(pointTemperature);
 445             }
 446             if (operationMode != null) {
 447                 capabilityState.setThermostatActuatorOperationModeState(operationMode);
 448             }
 449             if (windowReductionActive != null) {
 450                 capabilityState.setThermostatActuatorWindowReductionActiveState(windowReductionActive);
 451             }
 452
 453             // HumiditySensor
 454         } else if (capability.isTypeHumiditySensor()) {
 455             // when values are changed, they come with separate events
 456             // values should only updated when they are not null
 457             final Double humidity = event.getProperties().getHumidity();
 458             final Boolean moldWarning = event.getProperties().getMoldWarning();
 459             if (humidity != null) {
 460                 capabilityState.setHumiditySensorHumidityState(humidity);
 461             }
 462             if (moldWarning != null) {
 463                 capabilityState.setHumiditySensorMoldWarningState(moldWarning);
 464             }
 465
 466             // WindowDoorSensor
 467         } else if (capability.isTypeWindowDoorSensor()) {
 468             capabilityState.setWindowDoorSensorState(event.getProperties().getIsOpen());
 469
 470             // SmokeDetectorSensor
 471         } else if (capability.isTypeSmokeDetectorSensor()) {
 472             capabilityState.setSmokeDetectorSensorState(event.getProperties().getIsSmokeAlarm());
 473
 474             // AlarmActuator
 475         } else if (capability.isTypeAlarmActuator()) {
 476             capabilityState.setAlarmActuatorState(event.getProperties().getOnState());
 477
 478             // MotionDetectionSensor
 479         } else if (capability.isTypeMotionDetectionSensor()) {
 480             capabilityState.setMotionDetectionSensorState(event.getProperties().getMotionDetectedCount());
 481
 482             // LuminanceSensor
 483         } else if (capability.isTypeLuminanceSensor()) {
 484             capabilityState.setLuminanceSensorState(event.getProperties().getLuminance());
 485
 486             // PushButtonSensor
 487         } else if (capability.isTypePushButtonSensor()) {
 488             if (event.isButtonPressedEvent()) {
 489                 // Some devices send both StateChanged and ButtonPressed. But only the ButtonPressed should be handled,
 490                 // therefore it is checked for button pressed event (button index is set).
 491                 EventPropertiesDTO properties = event.getProperties();
 492                 capabilityState.setPushButtonSensorButtonIndexState(properties.getKeyPressButtonIndex());
 493                 capabilityState.setPushButtonSensorButtonIndexType(properties.getKeyPressType());
 494                 capabilityState.setPushButtonSensorCounterState(properties.getKeyPressCounter());
 495             }
 496
 497             // EnergyConsumptionSensor
 498         } else if (capability.isTypeEnergyConsumptionSensor()) {
 499             capabilityState.setEnergyConsumptionSensorEnergyConsumptionMonthKWhState(
 500                     event.getProperties().getEnergyConsumptionMonthKWh());
 501             capabilityState.setEnergyConsumptionSensorAbsoluteEnergyConsumptionState(
 502                     event.getProperties().getAbsoluteEnergyConsumption());
 503             capabilityState.setEnergyConsumptionSensorEnergyConsumptionMonthEuroState(
 504                     event.getProperties().getEnergyConsumptionMonthEuro());
 505             capabilityState.setEnergyConsumptionSensorEnergyConsumptionDayEuroState(
 506                     event.getProperties().getEnergyConsumptionDayEuro());
 507             capabilityState.setEnergyConsumptionSensorEnergyConsumptionDayKWhState(
 508                     event.getProperties().getEnergyConsumptionDayKWh());
 509
 510             // PowerConsumptionSensor
 511         } else if (capability.isTypePowerConsumptionSensor()) {
 512             capabilityState.setPowerConsumptionSensorPowerConsumptionWattState(
 513                     event.getProperties().getPowerConsumptionWatt());
 514
 515             // GenerationMeterEnergySensor
 516         } else if (capability.isTypeGenerationMeterEnergySensor()) {
 517             capabilityState.setGenerationMeterEnergySensorEnergyPerMonthInKWhState(
 518                     event.getProperties().getEnergyPerMonthInKWh());
 519             capabilityState.setGenerationMeterEnergySensorTotalEnergyState(event.getProperties().getTotalEnergy());
 520             capabilityState.setGenerationMeterEnergySensorEnergyPerMonthInEuroState(
 521                     event.getProperties().getEnergyPerMonthInEuro());
 522             capabilityState.setGenerationMeterEnergySensorEnergyPerDayInEuroState(
 523                     event.getProperties().getEnergyPerDayInEuro());
 524             capabilityState
 525                     .setGenerationMeterEnergySensorEnergyPerDayInKWhState(event.getProperties().getEnergyPerDayInKWh());
 526
 527             // GenerationMeterPowerConsumptionSensor
 528         } else if (capability.isTypeGenerationMeterPowerConsumptionSensor()) {
 529             capabilityState
 530                     .setGenerationMeterPowerConsumptionSensorPowerInWattState(event.getProperties().getPowerInWatt());
 531
 532             // TwoWayMeterEnergyConsumptionSensor
 533         } else if (capability.isTypeTwoWayMeterEnergyConsumptionSensor()) {
 534             capabilityState.setTwoWayMeterEnergyConsumptionSensorEnergyPerMonthInKWhState(
 535                     event.getProperties().getEnergyPerMonthInKWh());
 536             capabilityState
 537                     .setTwoWayMeterEnergyConsumptionSensorTotalEnergyState(event.getProperties().getTotalEnergy());
 538             capabilityState.setTwoWayMeterEnergyConsumptionSensorEnergyPerMonthInEuroState(
 539                     event.getProperties().getEnergyPerMonthInEuro());
 540             capabilityState.setTwoWayMeterEnergyConsumptionSensorEnergyPerDayInEuroState(
 541                     event.getProperties().getEnergyPerDayInEuro());
 542             capabilityState.setTwoWayMeterEnergyConsumptionSensorEnergyPerDayInKWhState(
 543                     event.getProperties().getEnergyPerDayInKWh());
 544
 545             // TwoWayMeterEnergyFeedSensor
 546         } else if (capability.isTypeTwoWayMeterEnergyFeedSensor()) {
 547             capabilityState.setTwoWayMeterEnergyFeedSensorEnergyPerMonthInKWhState(
 548                     event.getProperties().getEnergyPerMonthInKWh());
 549             capabilityState.setTwoWayMeterEnergyFeedSensorTotalEnergyState(event.getProperties().getTotalEnergy());
 550             capabilityState.setTwoWayMeterEnergyFeedSensorEnergyPerMonthInEuroState(
 551                     event.getProperties().getEnergyPerMonthInEuro());
 552             capabilityState.setTwoWayMeterEnergyFeedSensorEnergyPerDayInEuroState(
 553                     event.getProperties().getEnergyPerDayInEuro());
 554             capabilityState
 555                     .setTwoWayMeterEnergyFeedSensorEnergyPerDayInKWhState(event.getProperties().getEnergyPerDayInKWh());
 556
 557             // TwoWayMeterPowerConsumptionSensor
 558         } else if (capability.isTypeTwoWayMeterPowerConsumptionSensor()) {
 559             capabilityState
 560                     .setTwoWayMeterPowerConsumptionSensorPowerInWattState(event.getProperties().getPowerInWatt());
 561
 562         } else {
 563             logger.debug("Unsupported capability type {}.", capability.getType());
 564             return false;
 565         }
 566         return true;
 567     }
 568
 569     private void updateChannels(DeviceDTO device) {
 570         // DEVICE STATES
 571         final boolean isReachable = updateStatus(device);
 572
 573         if (isReachable) {
 574             updateDeviceChannels(device);
 575
 576             // CAPABILITY STATES
 577             for (final Entry<String, CapabilityDTO> entry : device.getCapabilityMap().entrySet()) {
 578                 final CapabilityDTO capability = entry.getValue();
 579
 580                 logger.debug("->capability:{} ({}/{})", capability.getId(), capability.getType(), capability.getName());
 581
 582                 if (capability.hasState()) {
 583                     updateCapabilityChannels(device, capability);
 584                 } else {
 585                     logger.debug("Capability not available for device {} ({})", device.getConfig().getName(),
 586                             device.getType());
 587                 }
 588             }
 589         }
 590     }
 591
 592     private boolean updateStatus(DeviceDTO device) {
 593         Boolean reachable = device.isReachable();
 594         if (reachable != null) {
 595             if (reachable) {
 596                 updateStatus(ThingStatus.ONLINE);
 597             } else {
 598                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, "@text/error.notReachable");
 599                 return false;
 600             }
 601         }
 602         return true;
 603     }
 604
 605     private void updateDeviceChannels(DeviceDTO device) {
 606         if (device.isBatteryPowered()) {
 607             updateState(CHANNEL_BATTERY_LOW, OnOffType.from(device.hasLowBattery()));
 608         }
 609     }
 610
 611     private void updateCapabilityChannels(DeviceDTO device, CapabilityDTO capability) {
 612         switch (capability.getType()) {
 613             case CapabilityDTO.TYPE_VARIABLEACTUATOR:
 614                 updateVariableActuatorChannels(capability);
 615                 break;
 616             case CapabilityDTO.TYPE_SWITCHACTUATOR:
 617                 updateSwitchActuatorChannels(capability);
 618                 break;
 619             case CapabilityDTO.TYPE_DIMMERACTUATOR:
 620                 updateDimmerActuatorChannels(capability);
 621                 break;
 622             case CapabilityDTO.TYPE_ROLLERSHUTTERACTUATOR:
 623                 updateRollerShutterActuatorChannels(capability);
 624                 break;
 625             case CapabilityDTO.TYPE_TEMPERATURESENSOR:
 626                 updateTemperatureSensorChannels(capability);
 627                 break;
 628             case CapabilityDTO.TYPE_THERMOSTATACTUATOR:
 629                 updateThermostatActuatorChannels(device, capability);
 630                 break;
 631             case CapabilityDTO.TYPE_HUMIDITYSENSOR:
 632                 updateHumiditySensorChannels(capability);
 633                 break;
 634             case CapabilityDTO.TYPE_WINDOWDOORSENSOR:
 635                 updateWindowDoorSensorChannels(capability);
 636                 break;
 637             case CapabilityDTO.TYPE_SMOKEDETECTORSENSOR:
 638                 updateSmokeDetectorChannels(capability);
 639                 break;
 640             case CapabilityDTO.TYPE_ALARMACTUATOR:
 641                 updateAlarmActuatorChannels(capability);
 642                 break;
 643             case CapabilityDTO.TYPE_MOTIONDETECTIONSENSOR:
 644                 updateMotionDetectionSensorChannels(capability);
 645                 break;
 646             case CapabilityDTO.TYPE_LUMINANCESENSOR:
 647                 updateLuminanceSensorChannels(capability);
 648                 break;
 649             case CapabilityDTO.TYPE_PUSHBUTTONSENSOR:
 650                 updatePushButtonSensorChannels(capability);
 651                 break;
 652             case CapabilityDTO.TYPE_ENERGYCONSUMPTIONSENSOR:
 653                 updateEnergyConsumptionSensorChannels(capability);
 654                 break;
 655             case CapabilityDTO.TYPE_POWERCONSUMPTIONSENSOR:
 656                 updateStateForEnergyChannelWatt(CHANNEL_POWER_CONSUMPTION_WATT,
 657                         capability.getCapabilityState().getPowerConsumptionSensorPowerConsumptionWattState(),
 658                         capability);
 659                 break;
 660             case CapabilityDTO.TYPE_GENERATIONMETERENERGYSENSOR:
 661                 updateGenerationMeterEnergySensorChannels(capability);
 662                 break;
 663             case CapabilityDTO.TYPE_GENERATIONMETERPOWERCONSUMPTIONSENSOR:
 664                 updateStateForEnergyChannelWatt(CHANNEL_POWER_GENERATION_WATT,
 665                         capability.getCapabilityState().getGenerationMeterPowerConsumptionSensorPowerInWattState(),
 666                         capability);
 667                 break;
 668             case CapabilityDTO.TYPE_TWOWAYMETERENERGYCONSUMPTIONSENSOR:
 669                 updateTwoWayMeterEnergyConsumptionSensorChannels(capability);
 670                 break;
 671             case CapabilityDTO.TYPE_TWOWAYMETERENERGYFEEDSENSOR:
 672                 updateTwoWayMeterEnergyFeedSensorChannels(capability);
 673                 break;
 674             case CapabilityDTO.TYPE_TWOWAYMETERPOWERCONSUMPTIONSENSOR:
 675                 updateStateForEnergyChannelWatt(CHANNEL_POWER_WATT,
 676                         capability.getCapabilityState().getTwoWayMeterPowerConsumptionSensorPowerInWattState(),
 677                         capability);
 678                 break;
 679             default:
 680                 logger.debug("Unsupported capability type {}.", capability.getType());
 681                 break;
 682         }
 683     }
 684
 685     private void updateVariableActuatorChannels(CapabilityDTO capability) {
 686         final Boolean variableActuatorState = capability.getCapabilityState().getVariableActuatorState();
 687         if (variableActuatorState != null) {
 688             updateState(CHANNEL_SWITCH, OnOffType.from(variableActuatorState));
 689         } else {
 690             logStateNull(capability);
 691         }
 692     }
 693
 694     private void updateSwitchActuatorChannels(CapabilityDTO capability) {
 695         final Boolean switchActuatorState = capability.getCapabilityState().getSwitchActuatorState();
 696         if (switchActuatorState != null) {
 697             updateState(CHANNEL_SWITCH, OnOffType.from(switchActuatorState));
 698         } else {
 699             logStateNull(capability);
 700         }
 701     }
 702
 703     private void updateDimmerActuatorChannels(CapabilityDTO capability) {
 704         final Integer dimLevel = capability.getCapabilityState().getDimmerActuatorState();
 705         if (dimLevel != null) {
 706             logger.debug("Dimlevel state {}", dimLevel);
 707             updateState(CHANNEL_DIMMER, new PercentType(dimLevel));
 708         } else {
 709             logStateNull(capability);
 710         }
 711     }
 712
 713     private void updateRollerShutterActuatorChannels(CapabilityDTO capability) {
 714         Integer rollerShutterLevel = capability.getCapabilityState().getRollerShutterActuatorState();
 715         if (rollerShutterLevel != null) {
 716             rollerShutterLevel = invertRollerShutterValueIfConfigured(rollerShutterLevel);
 717             logger.debug("RollerShutterlevel state {}", rollerShutterLevel);
 718             updateState(CHANNEL_ROLLERSHUTTER, new PercentType(rollerShutterLevel));
 719         } else {
 720             logStateNull(capability);
 721         }
 722     }
 723
 724     private void updateTemperatureSensorChannels(CapabilityDTO capability) {
 725         // temperature
 726         final Double temperature = capability.getCapabilityState().getTemperatureSensorTemperatureState();
 727         if (temperature != null) {
 728             logger.debug("-> Temperature sensor state: {}", temperature);
 729             updateState(CHANNEL_CURRENT_TEMPERATURE, QuantityType.valueOf(temperature, SIUnits.CELSIUS));
 730         } else {
 731             logStateNull(capability);
 732         }
 733
 734         // frost warning
 735         final Boolean frostWarning = capability.getCapabilityState().getTemperatureSensorFrostWarningState();
 736         if (frostWarning != null) {
 737             updateState(CHANNEL_FROST_WARNING, OnOffType.from(frostWarning));
 738         } else {
 739             logStateNull(capability);
 740         }
 741     }
 742
 743     private void updateThermostatActuatorChannels(DeviceDTO device, CapabilityDTO capability) {
 744         // point temperature
 745         final Double pointTemperature = capability.getCapabilityState().getThermostatActuatorPointTemperatureState();
 746         if (pointTemperature != null) {
 747             logger.debug("Update CHANNEL_SET_TEMPERATURE: state:{} (DeviceName {}, Capab-ID:{})", pointTemperature,
 748                     device.getConfig().getName(), capability.getId());
 749             updateState(CHANNEL_TARGET_TEMPERATURE, QuantityType.valueOf(pointTemperature, SIUnits.CELSIUS));
 750         } else {
 751             logStateNull(capability);
 752         }
 753
 754         // operation mode
 755         final String operationMode = capability.getCapabilityState().getThermostatActuatorOperationModeState();
 756         if (operationMode != null) {
 757             updateState(CHANNEL_OPERATION_MODE, new StringType(operationMode));
 758         } else {
 759             logStateNull(capability);
 760         }
 761
 762         // window reduction active
 763         final Boolean windowReductionActive = capability.getCapabilityState()
 764                 .getThermostatActuatorWindowReductionActiveState();
 765         if (windowReductionActive != null) {
 766             updateState(CHANNEL_WINDOW_REDUCTION_ACTIVE, OnOffType.from(windowReductionActive));
 767         } else {
 768             logStateNull(capability);
 769         }
 770     }
 771
 772     private void updateHumiditySensorChannels(CapabilityDTO capability) {
 773         // humidity
 774         final Double humidity = capability.getCapabilityState().getHumiditySensorHumidityState();
 775         if (humidity != null) {
 776             updateState(CHANNEL_HUMIDITY, QuantityType.valueOf(humidity, Units.PERCENT));
 777         } else {
 778             logStateNull(capability);
 779         }
 780
 781         // mold warning
 782         final Boolean moldWarning = capability.getCapabilityState().getHumiditySensorMoldWarningState();
 783         if (moldWarning != null) {
 784             updateState(CHANNEL_MOLD_WARNING, OnOffType.from(moldWarning));
 785         } else {
 786             logStateNull(capability);
 787         }
 788     }
 789
 790     private void updateWindowDoorSensorChannels(CapabilityDTO capability) {
 791         final Boolean contactState = capability.getCapabilityState().getWindowDoorSensorState();
 792         if (contactState != null) {
 793             updateState(CHANNEL_CONTACT, toOpenClosedType(contactState));
 794         } else {
 795             logStateNull(capability);
 796         }
 797     }
 798
 799     private void updateSmokeDetectorChannels(CapabilityDTO capability) {
 800         final Boolean smokeState = capability.getCapabilityState().getSmokeDetectorSensorState();
 801         if (smokeState != null) {
 802             updateState(CHANNEL_SMOKE, OnOffType.from(smokeState));
 803         } else {
 804             logStateNull(capability);
 805         }
 806     }
 807
 808     private void updateAlarmActuatorChannels(CapabilityDTO capability) {
 809         final Boolean alarmState = capability.getCapabilityState().getAlarmActuatorState();
 810         if (alarmState != null) {
 811             updateState(CHANNEL_ALARM, OnOffType.from(alarmState));
 812         } else {
 813             logStateNull(capability);
 814         }
 815     }
 816
 817     private void updateMotionDetectionSensorChannels(CapabilityDTO capability) {
 818         final Integer motionCount = capability.getCapabilityState().getMotionDetectionSensorState();
 819         if (motionCount != null) {
 820             logger.debug("Motion state {} -> count {}", motionCount, motionCount);
 821             updateState(CHANNEL_MOTION_COUNT, new DecimalType(motionCount));
 822         } else {
 823             logStateNull(capability);
 824         }
 825     }
 826
 827     private void updateLuminanceSensorChannels(CapabilityDTO capability) {
 828         final Double luminance = capability.getCapabilityState().getLuminanceSensorState();
 829         if (luminance != null) {
 830             updateState(CHANNEL_LUMINANCE, QuantityType.valueOf(luminance, Units.PERCENT));
 831         } else {
 832             logStateNull(capability);
 833         }
 834     }
 835
 836     private void updatePushButtonSensorChannels(CapabilityDTO capability) {
 837         final Integer pushCount = capability.getCapabilityState().getPushButtonSensorCounterState();
 838         final Integer buttonIndex = capability.getCapabilityState().getPushButtonSensorButtonIndexState();
 839         final String type = capability.getCapabilityState().getPushButtonSensorButtonIndexType();
 840         logger.debug("Pushbutton index {}, count {}, type {}", buttonIndex, pushCount, type);
 841         if (buttonIndex != null && pushCount != null) {
 842             if (buttonIndex >= 0 && buttonIndex <= 7) {
 843                 final int channelIndex = buttonIndex + 1;
 844                 if (type != null) {
 845                     if (SHORT_PRESS.equals(type)) {
 846                         triggerChannel(CHANNEL_BUTTON + channelIndex, CommonTriggerEvents.SHORT_PRESSED);
 847                     } else if (LONG_PRESS.equals(type)) {
 848                         triggerChannel(CHANNEL_BUTTON + channelIndex, CommonTriggerEvents.LONG_PRESSED);
 849                     }
 850                 }
 851                 triggerChannel(CHANNEL_BUTTON + channelIndex, CommonTriggerEvents.PRESSED);
 852                 updateState(String.format(CHANNEL_BUTTON_COUNT, channelIndex), new DecimalType(pushCount));
 853             }
 854             // Button handled so remove state to avoid re-trigger.
 855             capability.getCapabilityState().setPushButtonSensorButtonIndexState(null);
 856             capability.getCapabilityState().setPushButtonSensorButtonIndexType(null);
 857         } else {
 858             logStateNull(capability);
 859         }
 860     }
 861
 862     private void updateEnergyConsumptionSensorChannels(CapabilityDTO capability) {
 863         updateStateForEnergyChannelKiloWattHour(CHANNEL_ENERGY_CONSUMPTION_MONTH_KWH,
 864                 capability.getCapabilityState().getEnergyConsumptionSensorEnergyConsumptionMonthKWhState(), capability);
 865         updateStateForEnergyChannelKiloWattHour(CHANNEL_ABOLUTE_ENERGY_CONSUMPTION,
 866                 capability.getCapabilityState().getEnergyConsumptionSensorAbsoluteEnergyConsumptionState(), capability);
 867         updateStateForEnergyChannelEuro(CHANNEL_ENERGY_CONSUMPTION_MONTH_EURO,
 868                 capability.getCapabilityState().getEnergyConsumptionSensorEnergyConsumptionMonthEuroState(),
 869                 capability);
 870         updateStateForEnergyChannelEuro(CHANNEL_ENERGY_CONSUMPTION_DAY_EURO,
 871                 capability.getCapabilityState().getEnergyConsumptionSensorEnergyConsumptionDayEuroState(), capability);
 872         updateStateForEnergyChannelKiloWattHour(CHANNEL_ENERGY_CONSUMPTION_DAY_KWH,
 873                 capability.getCapabilityState().getEnergyConsumptionSensorEnergyConsumptionDayKWhState(), capability);
 874     }
 875
 876     private void updateGenerationMeterEnergySensorChannels(CapabilityDTO capability) {
 877         updateStateForEnergyChannelKiloWattHour(CHANNEL_ENERGY_GENERATION_MONTH_KWH,
 878                 capability.getCapabilityState().getGenerationMeterEnergySensorEnergyPerMonthInKWhState(), capability);
 879         updateStateForEnergyChannelKiloWattHour(CHANNEL_TOTAL_ENERGY_GENERATION,
 880                 capability.getCapabilityState().getGenerationMeterEnergySensorTotalEnergyState(), capability);
 881         updateStateForEnergyChannelEuro(CHANNEL_ENERGY_GENERATION_MONTH_EURO,
 882                 capability.getCapabilityState().getGenerationMeterEnergySensorEnergyPerMonthInEuroState(), capability);
 883         updateStateForEnergyChannelEuro(CHANNEL_ENERGY_GENERATION_DAY_EURO,
 884                 capability.getCapabilityState().getGenerationMeterEnergySensorEnergyPerDayInEuroState(), capability);
 885         updateStateForEnergyChannelKiloWattHour(CHANNEL_ENERGY_GENERATION_DAY_KWH,
 886                 capability.getCapabilityState().getGenerationMeterEnergySensorEnergyPerDayInKWhState(), capability);
 887     }
 888
 889     private void updateTwoWayMeterEnergyConsumptionSensorChannels(CapabilityDTO capability) {
 890         updateStateForEnergyChannelKiloWattHour(CHANNEL_ENERGY_MONTH_KWH,
 891                 capability.getCapabilityState().getTwoWayMeterEnergyConsumptionSensorEnergyPerMonthInKWhState(),
 892                 capability);
 893         updateStateForEnergyChannelKiloWattHour(CHANNEL_TOTAL_ENERGY,
 894                 capability.getCapabilityState().getTwoWayMeterEnergyConsumptionSensorTotalEnergyState(), capability);
 895         updateStateForEnergyChannelEuro(CHANNEL_ENERGY_MONTH_EURO,
 896                 capability.getCapabilityState().getTwoWayMeterEnergyConsumptionSensorEnergyPerMonthInEuroState(),
 897                 capability);
 898         updateStateForEnergyChannelEuro(CHANNEL_ENERGY_DAY_EURO,
 899                 capability.getCapabilityState().getTwoWayMeterEnergyConsumptionSensorEnergyPerDayInEuroState(),
 900                 capability);
 901         updateStateForEnergyChannelKiloWattHour(CHANNEL_ENERGY_DAY_KWH,
 902                 capability.getCapabilityState().getTwoWayMeterEnergyConsumptionSensorEnergyPerDayInKWhState(),
 903                 capability);
 904     }
 905
 906     private void updateTwoWayMeterEnergyFeedSensorChannels(CapabilityDTO capability) {
 907         updateStateForEnergyChannelKiloWattHour(CHANNEL_ENERGY_FEED_MONTH_KWH,
 908                 capability.getCapabilityState().getTwoWayMeterEnergyFeedSensorEnergyPerMonthInKWhState(), capability);
 909         updateStateForEnergyChannelKiloWattHour(CHANNEL_TOTAL_ENERGY_FED,
 910                 capability.getCapabilityState().getTwoWayMeterEnergyFeedSensorTotalEnergyState(), capability);
 911         updateStateForEnergyChannelEuro(CHANNEL_ENERGY_FEED_MONTH_EURO,
 912                 capability.getCapabilityState().getTwoWayMeterEnergyFeedSensorEnergyPerMonthInEuroState(), capability);
 913         updateStateForEnergyChannelEuro(CHANNEL_ENERGY_FEED_DAY_EURO,
 914                 capability.getCapabilityState().getTwoWayMeterEnergyFeedSensorEnergyPerDayInEuroState(), capability);
 915         updateStateForEnergyChannelKiloWattHour(CHANNEL_ENERGY_FEED_DAY_KWH,
 916                 capability.getCapabilityState().getTwoWayMeterEnergyFeedSensorEnergyPerDayInKWhState(), capability);
 917     }
 918
 919     private void updateStateForEnergyChannelEuro(final String channelId, @Nullable final Double state,
 920             final CapabilityDTO capability) {
 921         if (state != null) {
 922             updateState(channelId, new DecimalType(state));
 923         } else {
 924             logStateNull(capability);
 925         }
 926     }
 927
 928     private void updateStateForEnergyChannelWatt(final String channelId, @Nullable final Double state,
 929             final CapabilityDTO capability) {
 930         if (state != null) {
 931             updateState(channelId, QuantityType.valueOf(state, Units.WATT));
 932         } else {
 933             logStateNull(capability);
 934         }
 935     }
 936
 937     private void updateStateForEnergyChannelKiloWattHour(final String channelId, @Nullable final Double state,
 938             final CapabilityDTO capability) {
 939         if (state != null) {
 940             updateState(channelId, QuantityType.valueOf(state, Units.KILOWATT_HOUR));
 941         } else {
 942             logStateNull(capability);
 943         }
 944     }
 945
 946     /**
 947      * Returns the inverted value. Currently only rollershutter channels are supported.
 948      *
 949      * @param value value to become inverted
 950      * @return the value or the inverted value
 951      */
 952     private int invertRollerShutterValueIfConfigured(final int value) {
 953         @Nullable
 954         final Channel channel = getThing().getChannel(CHANNEL_ROLLERSHUTTER);
 955         if (channel == null) {
 956             logger.debug("Channel {} was null! Value not inverted.", CHANNEL_ROLLERSHUTTER);
 957             return value;
 958         }
 959         final Boolean invert = (Boolean) channel.getConfiguration().get(INVERT_CHANNEL_PARAMETER);
 960         if (invert != null && invert) {
 961             return value;
 962         }
 963         return 100 - value;
 964     }
 965
 966     /**
 967      * Returns the {@link DeviceDTO} associated with this {@link LivisiDeviceHandler} (referenced by the
 968      * {@link LivisiDeviceHandler#deviceId}).
 969      *
 970      * @return the {@link DeviceDTO} or null, if not found or no {@link LivisiBridgeHandler} is available
 971      */
 972     private Optional<DeviceDTO> getDevice() {
 973         return getBridgeHandler().flatMap(bridgeHandler -> bridgeHandler.getDeviceById(deviceId));
 974     }
 975
 976     private Optional<LivisiBridgeHandler> registerAtBridgeHandler() {
 977         synchronized (this.lock) {
 978             if (this.bridgeHandler == null) {
 979                 @Nullable
 980                 final Bridge bridge = getBridge();
 981                 if (bridge == null) {
 982                     return Optional.empty();
 983                 }
 984                 @Nullable
 985                 final ThingHandler handler = bridge.getHandler();
 986                 if (handler instanceof LivisiBridgeHandler) {
 987                     LivisiBridgeHandler bridgeHandler = (LivisiBridgeHandler) handler;
 988                     bridgeHandler.registerDeviceStatusListener(deviceId, this);
 989                     this.bridgeHandler = bridgeHandler;
 990                 } else {
 991                     return Optional.empty(); // also called when the handler is NULL
 992                 }
 993             }
 994             return getBridgeHandler();
 995         }
 996     }
 997
 998     /**
 999      * Returns the LIVISI bridge handler.
1000      *
1001      * @return the {@link LivisiBridgeHandler} or null
1002      */
1003     private Optional<LivisiBridgeHandler> getBridgeHandler() {
1004         return Optional.ofNullable(this.bridgeHandler);
1005     }
1006
1007     private boolean isBridgeOnline() {
1008         @Nullable
1009         Bridge bridge = getBridge();
1010         if (bridge != null) {
1011             return ThingStatus.ONLINE == bridge.getStatus();
1012         }
1013         return false;
1014     }
1015
1016     private void logStateNull(CapabilityDTO capability) {
1017         logger.debug("State for {} is STILL NULL!! cstate-id: {}, capability-id: {}", capability.getType(),
1018                 capability.getCapabilityState().getId(), capability.getId());
1019     }
1020
1021     private static OpenClosedType toOpenClosedType(boolean isOpen) {
1022         if (isOpen) {
1023             return OpenClosedType.OPEN;
1024         }
1025         return OpenClosedType.CLOSED;
1026     }
1027 }