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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.hdpowerview.internal.handler;
  14
  15 import static org.openhab.binding.hdpowerview.internal.HDPowerViewBindingConstants.*;
  16 import static org.openhab.binding.hdpowerview.internal.api.CoordinateSystem.*;
  17
  18 import java.util.Map;
  19 import java.util.concurrent.ScheduledFuture;
  20 import java.util.concurrent.TimeUnit;
  21
  22 import javax.ws.rs.NotSupportedException;
  23
  24 import org.eclipse.jdt.annotation.NonNullByDefault;
  25 import org.eclipse.jdt.annotation.Nullable;
  26 import org.openhab.binding.hdpowerview.internal.HDPowerViewBindingConstants;
  27 import org.openhab.binding.hdpowerview.internal.HDPowerViewWebTargets;
  28 import org.openhab.binding.hdpowerview.internal.api.CoordinateSystem;
  29 import org.openhab.binding.hdpowerview.internal.api.Firmware;
  30 import org.openhab.binding.hdpowerview.internal.api.ShadePosition;
  31 import org.openhab.binding.hdpowerview.internal.api.responses.Shades.ShadeData;
  32 import org.openhab.binding.hdpowerview.internal.api.responses.Survey;
  33 import org.openhab.binding.hdpowerview.internal.config.HDPowerViewShadeConfiguration;
  34 import org.openhab.binding.hdpowerview.internal.database.ShadeCapabilitiesDatabase;
  35 import org.openhab.binding.hdpowerview.internal.database.ShadeCapabilitiesDatabase.Capabilities;
  36 import org.openhab.binding.hdpowerview.internal.exceptions.HubException;
  37 import org.openhab.binding.hdpowerview.internal.exceptions.HubInvalidResponseException;
  38 import org.openhab.binding.hdpowerview.internal.exceptions.HubMaintenanceException;
  39 import org.openhab.binding.hdpowerview.internal.exceptions.HubProcessingException;
  40 import org.openhab.core.library.types.DecimalType;
  41 import org.openhab.core.library.types.OnOffType;
  42 import org.openhab.core.library.types.PercentType;
  43 import org.openhab.core.library.types.QuantityType;
  44 import org.openhab.core.library.types.StopMoveType;
  45 import org.openhab.core.library.types.StringType;
  46 import org.openhab.core.library.types.UpDownType;
  47 import org.openhab.core.library.unit.Units;
  48 import org.openhab.core.thing.Bridge;
  49 import org.openhab.core.thing.ChannelUID;
  50 import org.openhab.core.thing.Thing;
  51 import org.openhab.core.thing.ThingStatus;
  52 import org.openhab.core.thing.ThingStatusDetail;
  53 import org.openhab.core.types.Command;
  54 import org.openhab.core.types.RefreshType;
  55 import org.openhab.core.types.UnDefType;
  56 import org.slf4j.Logger;
  57 import org.slf4j.LoggerFactory;
  58
  59 /**
  60  * Handles commands for an HD PowerView Shade
  61  *
  62  * @author Andy Lintner - Initial contribution
  63  * @author Andrew Fiddian-Green - Added support for secondary rail positions
  64  */
  65 @NonNullByDefault
  66 public class HDPowerViewShadeHandler extends AbstractHubbedThingHandler {
  67
  68     private enum RefreshKind {
  69         POSITION,
  70         SURVEY,
  71         BATTERY_LEVEL
  72     }
  73
  74     private static final String COMMAND_CALIBRATE = "CALIBRATE";
  75
  76     private final Logger logger = LoggerFactory.getLogger(HDPowerViewShadeHandler.class);
  77     private final ShadeCapabilitiesDatabase db = new ShadeCapabilitiesDatabase();
  78
  79     private @Nullable ScheduledFuture<?> refreshPositionFuture = null;
  80     private @Nullable ScheduledFuture<?> refreshSignalFuture = null;
  81     private @Nullable ScheduledFuture<?> refreshBatteryLevelFuture = null;
  82     private @Nullable Capabilities capabilities;
  83     private int shadeId;
  84     private boolean isDisposing;
  85
  86     public HDPowerViewShadeHandler(Thing thing) {
  87         super(thing);
  88     }
  89
  90     @Override
  91     public void initialize() {
  92         isDisposing = false;
  93         shadeId = getConfigAs(HDPowerViewShadeConfiguration.class).id;
  94         logger.debug("Initializing shade handler for shade {}", shadeId);
  95         if (shadeId <= 0) {
  96             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
  97                     "@text/offline.conf-error.invalid-id");
  98             return;
  99         }
 100         Bridge bridge = getBridge();
 101         if (bridge == null) {
 102             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.BRIDGE_UNINITIALIZED);
 103             return;
 104         }
 105         if (!(bridge.getHandler() instanceof HDPowerViewHubHandler)) {
 106             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.BRIDGE_UNINITIALIZED,
 107                     "@text/offline.conf-error.invalid-bridge-handler");
 108             return;
 109         }
 110         ThingStatus bridgeStatus = bridge.getStatus();
 111         if (bridgeStatus == ThingStatus.ONLINE) {
 112             updateStatus(ThingStatus.UNKNOWN);
 113         } else {
 114             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.BRIDGE_OFFLINE);
 115         }
 116     }
 117
 118     @Override
 119     public void dispose() {
 120         logger.debug("Disposing shade handler for shade {}", shadeId);
 121         isDisposing = true;
 122         ScheduledFuture<?> future = refreshPositionFuture;
 123         if (future != null) {
 124             future.cancel(true);
 125         }
 126         refreshPositionFuture = null;
 127         future = refreshSignalFuture;
 128         if (future != null) {
 129             future.cancel(true);
 130         }
 131         refreshSignalFuture = null;
 132         future = refreshBatteryLevelFuture;
 133         if (future != null) {
 134             future.cancel(true);
 135         }
 136         refreshBatteryLevelFuture = null;
 137         capabilities = null;
 138     }
 139
 140     @Override
 141     public void handleCommand(ChannelUID channelUID, Command command) {
 142         String channelId = channelUID.getId();
 143
 144         if (RefreshType.REFRESH == command) {
 145             switch (channelId) {
 146                 case CHANNEL_SHADE_POSITION:
 147                 case CHANNEL_SHADE_SECONDARY_POSITION:
 148                 case CHANNEL_SHADE_VANE:
 149                     requestRefreshShadePosition();
 150                     break;
 151                 case CHANNEL_SHADE_LOW_BATTERY:
 152                 case CHANNEL_SHADE_BATTERY_LEVEL:
 153                 case CHANNEL_SHADE_BATTERY_VOLTAGE:
 154                     requestRefreshShadeBatteryLevel();
 155                     break;
 156                 case CHANNEL_SHADE_SIGNAL_STRENGTH:
 157                     requestRefreshShadeSurvey();
 158                     break;
 159             }
 160             return;
 161         }
 162
 163         HDPowerViewHubHandler bridge = getBridgeHandler();
 164         if (bridge == null) {
 165             logger.warn("Missing bridge handler");
 166             return;
 167         }
 168         HDPowerViewWebTargets webTargets = bridge.getWebTargets();
 169         if (webTargets == null) {
 170             logger.warn("Web targets not initialized");
 171             return;
 172         }
 173         try {
 174             handleShadeCommand(channelId, command, webTargets, shadeId);
 175         } catch (HubInvalidResponseException e) {
 176             Throwable cause = e.getCause();
 177             if (cause == null) {
 178                 logger.warn("Bridge returned a bad JSON response: {}", e.getMessage());
 179             } else {
 180                 logger.warn("Bridge returned a bad JSON response: {} -> {}", e.getMessage(), cause.getMessage());
 181             }
 182         } catch (HubMaintenanceException e) {
 183             // exceptions are logged in HDPowerViewWebTargets
 184         } catch (HubException e) {
 185             // ScheduledFutures will be cancelled by dispose(), naturally causing InterruptedException in invoke()
 186             // for any ongoing requests. Logging this would only cause confusion.
 187             if (!isDisposing) {
 188                 logger.warn("Unexpected error: {}", e.getMessage());
 189             }
 190         }
 191     }
 192
 193     private void handleShadeCommand(String channelId, Command command, HDPowerViewWebTargets webTargets, int shadeId)
 194             throws HubInvalidResponseException, HubProcessingException, HubMaintenanceException {
 195         switch (channelId) {
 196             case CHANNEL_SHADE_POSITION:
 197                 if (command instanceof PercentType) {
 198                     moveShade(PRIMARY_POSITION, ((PercentType) command).intValue(), webTargets, shadeId);
 199                 } else if (command instanceof UpDownType) {
 200                     moveShade(PRIMARY_POSITION, UpDownType.UP == command ? 0 : 100, webTargets, shadeId);
 201                 } else if (command instanceof StopMoveType) {
 202                     if (StopMoveType.STOP == command) {
 203                         stopShade(webTargets, shadeId);
 204                     } else {
 205                         logger.warn("Unexpected StopMoveType command");
 206                     }
 207                 }
 208                 break;
 209
 210             case CHANNEL_SHADE_VANE:
 211                 if (command instanceof PercentType) {
 212                     moveShade(VANE_TILT_POSITION, ((PercentType) command).intValue(), webTargets, shadeId);
 213                 } else if (command instanceof OnOffType) {
 214                     moveShade(VANE_TILT_POSITION, OnOffType.ON == command ? 100 : 0, webTargets, shadeId);
 215                 }
 216                 break;
 217
 218             case CHANNEL_SHADE_SECONDARY_POSITION:
 219                 if (command instanceof PercentType) {
 220                     moveShade(SECONDARY_POSITION, ((PercentType) command).intValue(), webTargets, shadeId);
 221                 } else if (command instanceof UpDownType) {
 222                     moveShade(SECONDARY_POSITION, UpDownType.UP == command ? 0 : 100, webTargets, shadeId);
 223                 } else if (command instanceof StopMoveType) {
 224                     if (StopMoveType.STOP == command) {
 225                         stopShade(webTargets, shadeId);
 226                     } else {
 227                         logger.warn("Unexpected StopMoveType command");
 228                     }
 229                 }
 230                 break;
 231
 232             case CHANNEL_SHADE_COMMAND:
 233                 if (command instanceof StringType) {
 234                     if (COMMAND_CALIBRATE.equals(((StringType) command).toString())) {
 235                         logger.debug("Calibrate shade {}", shadeId);
 236                         calibrateShade(webTargets, shadeId);
 237                     }
 238                 } else {
 239                     logger.warn("Unsupported command: {}. Supported commands are: " + COMMAND_CALIBRATE, command);
 240                 }
 241                 break;
 242         }
 243     }
 244
 245     /**
 246      * Update the state of the channels based on the ShadeData provided.
 247      *
 248      * @param shadeData the ShadeData to be used; may be null.
 249      */
 250     protected void onReceiveUpdate(@Nullable ShadeData shadeData) {
 251         if (shadeData != null) {
 252             updateStatus(ThingStatus.ONLINE);
 253             updateCapabilities(shadeData);
 254             updateSoftProperties(shadeData);
 255             updateFirmwareProperties(shadeData);
 256             ShadePosition shadePosition = shadeData.positions;
 257             if (shadePosition != null) {
 258                 updatePositionStates(shadePosition);
 259             }
 260             updateBatteryLevelStates(shadeData.batteryStatus);
 261             updateState(CHANNEL_SHADE_BATTERY_VOLTAGE,
 262                     shadeData.batteryStrength > 0 ? new QuantityType<>(shadeData.batteryStrength / 10, Units.VOLT)
 263                             : UnDefType.UNDEF);
 264             updateState(CHANNEL_SHADE_SIGNAL_STRENGTH, new DecimalType(shadeData.signalStrength));
 265         } else {
 266             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR);
 267         }
 268     }
 269
 270     private void updateCapabilities(ShadeData shade) {
 271         if (capabilities != null) {
 272             // Already cached.
 273             return;
 274         }
 275         Integer value = shade.capabilities;
 276         if (value != null) {
 277             int valueAsInt = value.intValue();
 278             logger.debug("Caching capabilities {} for shade {}", valueAsInt, shade.id);
 279             capabilities = db.getCapabilities(valueAsInt);
 280         } else {
 281             logger.debug("Capabilities not included in shade response");
 282         }
 283     }
 284
 285     private Capabilities getCapabilitiesOrDefault() {
 286         Capabilities capabilities = this.capabilities;
 287         if (capabilities == null) {
 288             return new Capabilities();
 289         }
 290         return capabilities;
 291     }
 292
 293     /**
 294      * Update the Thing's properties based on the contents of the provided ShadeData.
 295      *
 296      * Checks the database of known Shade 'types' and 'capabilities' and logs any unknown or incompatible values, so
 297      * that developers can be kept updated about the potential need to add support for that type resp. capabilities.
 298      *
 299      * @param shadeData
 300      */
 301     private void updateSoftProperties(ShadeData shadeData) {
 302         final Map<String, String> properties = getThing().getProperties();
 303         boolean propChanged = false;
 304
 305         // update 'type' property
 306         final int type = shadeData.type;
 307         String propKey = HDPowerViewBindingConstants.PROPERTY_SHADE_TYPE;
 308         String propOldVal = properties.getOrDefault(propKey, "");
 309         String propNewVal = db.getType(type).toString();
 310         if (!propNewVal.equals(propOldVal)) {
 311             propChanged = true;
 312             getThing().setProperty(propKey, propNewVal);
 313             if ((type > 0) && !db.isTypeInDatabase(type)) {
 314                 db.logTypeNotInDatabase(type);
 315             }
 316         }
 317
 318         // update 'capabilities' property
 319         final Integer temp = shadeData.capabilities;
 320         final int capabilitiesVal = temp != null ? temp.intValue() : -1;
 321         Capabilities capabilities = db.getCapabilities(capabilitiesVal);
 322         propKey = HDPowerViewBindingConstants.PROPERTY_SHADE_CAPABILITIES;
 323         propOldVal = properties.getOrDefault(propKey, "");
 324         propNewVal = capabilities.toString();
 325         if (!propNewVal.equals(propOldVal)) {
 326             propChanged = true;
 327             getThing().setProperty(propKey, propNewVal);
 328             if ((capabilitiesVal >= 0) && !db.isCapabilitiesInDatabase(capabilitiesVal)) {
 329                 db.logCapabilitiesNotInDatabase(type, capabilitiesVal);
 330             }
 331         }
 332
 333         if (propChanged && db.isCapabilitiesInDatabase(capabilitiesVal) && db.isTypeInDatabase(type)
 334                 && (capabilitiesVal != db.getType(type).getCapabilities())) {
 335             db.logCapabilitiesMismatch(type, capabilitiesVal);
 336         }
 337     }
 338
 339     private void updateFirmwareProperties(ShadeData shadeData) {
 340         Map<String, String> properties = editProperties();
 341         Firmware shadeFirmware = shadeData.firmware;
 342         Firmware motorFirmware = shadeData.motor;
 343         if (shadeFirmware != null) {
 344             properties.put(Thing.PROPERTY_FIRMWARE_VERSION, shadeFirmware.toString());
 345         }
 346         if (motorFirmware != null) {
 347             properties.put(PROPERTY_MOTOR_FIRMWARE_VERSION, motorFirmware.toString());
 348         }
 349         updateProperties(properties);
 350     }
 351
 352     /**
 353      * After a hard refresh, update the Thing's properties based on the contents of the provided ShadeData.
 354      *
 355      * Checks if the secondary support capabilities in the database of known Shade 'types' and 'capabilities' matches
 356      * that implied by the ShadeData and logs any incompatible values, so that developers can be kept updated about the
 357      * potential need to add support for that type resp. capabilities.
 358      *
 359      * @param shadeData
 360      */
 361     private void updateHardProperties(ShadeData shadeData) {
 362         final ShadePosition positions = shadeData.positions;
 363         if (positions == null) {
 364             return;
 365         }
 366         Capabilities capabilities = getCapabilitiesOrDefault();
 367         final Map<String, String> properties = getThing().getProperties();
 368
 369         // update 'secondary rail detected' property
 370         String propKey = HDPowerViewBindingConstants.PROPERTY_SECONDARY_RAIL_DETECTED;
 371         String propOldVal = properties.getOrDefault(propKey, "");
 372         boolean propNewBool = positions.secondaryRailDetected();
 373         String propNewVal = String.valueOf(propNewBool);
 374         if (!propNewVal.equals(propOldVal)) {
 375             getThing().setProperty(propKey, propNewVal);
 376             if (propNewBool != capabilities.supportsSecondary()) {
 377                 db.logPropertyMismatch(propKey, shadeData.type, capabilities.getValue(), propNewBool);
 378             }
 379         }
 380
 381         // update 'tilt anywhere detected' property
 382         propKey = HDPowerViewBindingConstants.PROPERTY_TILT_ANYWHERE_DETECTED;
 383         propOldVal = properties.getOrDefault(propKey, "");
 384         propNewBool = positions.tiltAnywhereDetected();
 385         propNewVal = String.valueOf(propNewBool);
 386         if (!propNewVal.equals(propOldVal)) {
 387             getThing().setProperty(propKey, propNewVal);
 388             if (propNewBool != capabilities.supportsTiltAnywhere()) {
 389                 db.logPropertyMismatch(propKey, shadeData.type, capabilities.getValue(), propNewBool);
 390             }
 391         }
 392     }
 393
 394     private void updatePositionStates(ShadePosition shadePos) {
 395         Capabilities capabilities = this.capabilities;
 396         if (capabilities == null) {
 397             logger.debug("The 'shadeCapabilities' field has not yet been initialized");
 398             updateState(CHANNEL_SHADE_POSITION, UnDefType.UNDEF);
 399             updateState(CHANNEL_SHADE_VANE, UnDefType.UNDEF);
 400             updateState(CHANNEL_SHADE_SECONDARY_POSITION, UnDefType.UNDEF);
 401             return;
 402         }
 403         updateState(CHANNEL_SHADE_POSITION, shadePos.getState(capabilities, PRIMARY_POSITION));
 404         updateState(CHANNEL_SHADE_VANE, shadePos.getState(capabilities, VANE_TILT_POSITION));
 405         updateState(CHANNEL_SHADE_SECONDARY_POSITION, shadePos.getState(capabilities, SECONDARY_POSITION));
 406     }
 407
 408     private void updateBatteryLevelStates(int batteryStatus) {
 409         int mappedValue;
 410         switch (batteryStatus) {
 411             case 1: // Low
 412                 mappedValue = 10;
 413                 break;
 414             case 2: // Medium
 415                 mappedValue = 50;
 416                 break;
 417             case 3: // High
 418             case 4: // Plugged in
 419                 mappedValue = 100;
 420                 break;
 421             default: // No status available (0) or invalid
 422                 updateState(CHANNEL_SHADE_LOW_BATTERY, UnDefType.UNDEF);
 423                 updateState(CHANNEL_SHADE_BATTERY_LEVEL, UnDefType.UNDEF);
 424                 return;
 425         }
 426         updateState(CHANNEL_SHADE_LOW_BATTERY, batteryStatus == 1 ? OnOffType.ON : OnOffType.OFF);
 427         updateState(CHANNEL_SHADE_BATTERY_LEVEL, new DecimalType(mappedValue));
 428     }
 429
 430     private void moveShade(CoordinateSystem coordSys, int newPercent, HDPowerViewWebTargets webTargets, int shadeId)
 431             throws HubInvalidResponseException, HubProcessingException, HubMaintenanceException {
 432         ShadePosition newPosition = null;
 433         // (try to) read the positions from the hub
 434         ShadeData shadeData = webTargets.getShade(shadeId);
 435         updateCapabilities(shadeData);
 436         newPosition = shadeData.positions;
 437         // if no positions returned, then create a new position
 438         if (newPosition == null) {
 439             newPosition = new ShadePosition();
 440         }
 441         Capabilities capabilities = getCapabilitiesOrDefault();
 442         // set the new position value, and write the positions to the hub
 443         shadeData = webTargets.moveShade(shadeId, newPosition.setPosition(capabilities, coordSys, newPercent));
 444         updateShadePositions(shadeData);
 445     }
 446
 447     private void stopShade(HDPowerViewWebTargets webTargets, int shadeId)
 448             throws HubInvalidResponseException, HubProcessingException, HubMaintenanceException {
 449         updateShadePositions(webTargets.stopShade(shadeId));
 450         // Positions in response from stop motion is not updated to to actual positions yet,
 451         // so we need to request hard refresh.
 452         requestRefreshShadePosition();
 453     }
 454
 455     private void calibrateShade(HDPowerViewWebTargets webTargets, int shadeId)
 456             throws HubInvalidResponseException, HubProcessingException, HubMaintenanceException {
 457         updateShadePositions(webTargets.calibrateShade(shadeId));
 458     }
 459
 460     private void updateShadePositions(ShadeData shadeData) {
 461         ShadePosition shadePosition = shadeData.positions;
 462         if (shadePosition == null) {
 463             return;
 464         }
 465         updateCapabilities(shadeData);
 466         updatePositionStates(shadePosition);
 467     }
 468
 469     /**
 470      * Request that the shade shall undergo a 'hard' refresh for querying its current position
 471      */
 472     protected synchronized void requestRefreshShadePosition() {
 473         if (refreshPositionFuture == null) {
 474             refreshPositionFuture = scheduler.schedule(this::doRefreshShadePosition, 0, TimeUnit.SECONDS);
 475         }
 476     }
 477
 478     /**
 479      * Request that the shade shall undergo a 'hard' refresh for querying its survey data
 480      */
 481     protected synchronized void requestRefreshShadeSurvey() {
 482         if (refreshSignalFuture == null) {
 483             refreshSignalFuture = scheduler.schedule(this::doRefreshShadeSignal, 0, TimeUnit.SECONDS);
 484         }
 485     }
 486
 487     /**
 488      * Request that the shade shall undergo a 'hard' refresh for querying its battery level state
 489      */
 490     protected synchronized void requestRefreshShadeBatteryLevel() {
 491         if (refreshBatteryLevelFuture == null) {
 492             refreshBatteryLevelFuture = scheduler.schedule(this::doRefreshShadeBatteryLevel, 0, TimeUnit.SECONDS);
 493         }
 494     }
 495
 496     private void doRefreshShadePosition() {
 497         this.doRefreshShade(RefreshKind.POSITION);
 498         refreshPositionFuture = null;
 499     }
 500
 501     private void doRefreshShadeSignal() {
 502         this.doRefreshShade(RefreshKind.SURVEY);
 503         refreshSignalFuture = null;
 504     }
 505
 506     private void doRefreshShadeBatteryLevel() {
 507         this.doRefreshShade(RefreshKind.BATTERY_LEVEL);
 508         refreshBatteryLevelFuture = null;
 509     }
 510
 511     private void doRefreshShade(RefreshKind kind) {
 512         try {
 513             HDPowerViewHubHandler bridge;
 514             if ((bridge = getBridgeHandler()) == null) {
 515                 throw new HubProcessingException("Missing bridge handler");
 516             }
 517             HDPowerViewWebTargets webTargets = bridge.getWebTargets();
 518             if (webTargets == null) {
 519                 throw new HubProcessingException("Web targets not initialized");
 520             }
 521             ShadeData shadeData;
 522             switch (kind) {
 523                 case POSITION:
 524                     shadeData = webTargets.refreshShadePosition(shadeId);
 525                     break;
 526                 case SURVEY:
 527                     Survey survey = webTargets.getShadeSurvey(shadeId);
 528                     if (survey.surveyData != null) {
 529                         logger.debug("Survey response for shade {}: {}", survey.shadeId, survey.toString());
 530                     } else {
 531                         logger.warn("No response from shade {} survey", shadeId);
 532                     }
 533                     return;
 534                 case BATTERY_LEVEL:
 535                     shadeData = webTargets.refreshShadeBatteryLevel(shadeId);
 536                     break;
 537                 default:
 538                     throw new NotSupportedException("Unsupported refresh kind " + kind.toString());
 539             }
 540             if (Boolean.TRUE.equals(shadeData.timedOut)) {
 541                 logger.warn("Shade {} wireless refresh time out", shadeId);
 542             } else if (kind == RefreshKind.POSITION) {
 543                 updateShadePositions(shadeData);
 544                 updateHardProperties(shadeData);
 545             }
 546         } catch (HubInvalidResponseException e) {
 547             Throwable cause = e.getCause();
 548             if (cause == null) {
 549                 logger.warn("Bridge returned a bad JSON response: {}", e.getMessage());
 550             } else {
 551                 logger.warn("Bridge returned a bad JSON response: {} -> {}", e.getMessage(), cause.getMessage());
 552             }
 553         } catch (HubMaintenanceException e) {
 554             // exceptions are logged in HDPowerViewWebTargets
 555         } catch (HubException e) {
 556             // ScheduledFutures will be cancelled by dispose(), naturally causing InterruptedException in invoke()
 557             // for any ongoing requests. Logging this would only cause confusion.
 558             if (!isDisposing) {
 559                 logger.warn("Unexpected error: {}", e.getMessage());
 560             }
 561         }
 562     }
 563 }