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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.HashMap;
  19 import java.util.List;
  20 import java.util.Map;
  21 import java.util.StringJoiner;
  22 import java.util.concurrent.ScheduledFuture;
  23 import java.util.concurrent.TimeUnit;
  24
  25 import javax.ws.rs.NotSupportedException;
  26
  27 import org.eclipse.jdt.annotation.NonNullByDefault;
  28 import org.eclipse.jdt.annotation.Nullable;
  29 import org.openhab.binding.hdpowerview.internal.HDPowerViewBindingConstants;
  30 import org.openhab.binding.hdpowerview.internal.HDPowerViewWebTargets;
  31 import org.openhab.binding.hdpowerview.internal.api.CoordinateSystem;
  32 import org.openhab.binding.hdpowerview.internal.api.Firmware;
  33 import org.openhab.binding.hdpowerview.internal.api.ShadePosition;
  34 import org.openhab.binding.hdpowerview.internal.api.SurveyData;
  35 import org.openhab.binding.hdpowerview.internal.api.responses.Shades.ShadeData;
  36 import org.openhab.binding.hdpowerview.internal.config.HDPowerViewShadeConfiguration;
  37 import org.openhab.binding.hdpowerview.internal.database.ShadeCapabilitiesDatabase;
  38 import org.openhab.binding.hdpowerview.internal.database.ShadeCapabilitiesDatabase.Capabilities;
  39 import org.openhab.binding.hdpowerview.internal.exceptions.HubException;
  40 import org.openhab.binding.hdpowerview.internal.exceptions.HubInvalidResponseException;
  41 import org.openhab.binding.hdpowerview.internal.exceptions.HubMaintenanceException;
  42 import org.openhab.binding.hdpowerview.internal.exceptions.HubProcessingException;
  43 import org.openhab.binding.hdpowerview.internal.exceptions.HubShadeTimeoutException;
  44 import org.openhab.core.library.types.DecimalType;
  45 import org.openhab.core.library.types.OnOffType;
  46 import org.openhab.core.library.types.PercentType;
  47 import org.openhab.core.library.types.QuantityType;
  48 import org.openhab.core.library.types.StopMoveType;
  49 import org.openhab.core.library.types.StringType;
  50 import org.openhab.core.library.types.UpDownType;
  51 import org.openhab.core.library.unit.Units;
  52 import org.openhab.core.thing.Bridge;
  53 import org.openhab.core.thing.ChannelUID;
  54 import org.openhab.core.thing.Thing;
  55 import org.openhab.core.thing.ThingStatus;
  56 import org.openhab.core.thing.ThingStatusDetail;
  57 import org.openhab.core.types.Command;
  58 import org.openhab.core.types.RefreshType;
  59 import org.openhab.core.types.UnDefType;
  60 import org.slf4j.Logger;
  61 import org.slf4j.LoggerFactory;
  62
  63 /**
  64  * Handles commands for an HD PowerView Shade
  65  *
  66  * @author Andy Lintner - Initial contribution
  67  * @author Andrew Fiddian-Green - Added support for secondary rail positions
  68  */
  69 @NonNullByDefault
  70 public class HDPowerViewShadeHandler extends AbstractHubbedThingHandler {
  71
  72     private enum RefreshKind {
  73         POSITION,
  74         SURVEY,
  75         BATTERY_LEVEL
  76     }
  77
  78     private static final String COMMAND_CALIBRATE = "CALIBRATE";
  79     private static final String COMMAND_IDENTIFY = "IDENTIFY";
  80
  81     private static final String DETECTED_SECONDARY_RAIL = "secondaryRailDetected";
  82     private static final String DETECTED_TILT_ANYWHERE = "tiltAnywhereDetected";
  83     private final Map<String, String> detectedCapabilities = new HashMap<>();
  84
  85     private final Logger logger = LoggerFactory.getLogger(HDPowerViewShadeHandler.class);
  86     private final ShadeCapabilitiesDatabase db = new ShadeCapabilitiesDatabase();
  87
  88     private @Nullable ScheduledFuture<?> refreshPositionFuture = null;
  89     private @Nullable ScheduledFuture<?> refreshSignalFuture = null;
  90     private @Nullable ScheduledFuture<?> refreshBatteryLevelFuture = null;
  91     private @Nullable Capabilities capabilities;
  92     private int shadeId;
  93     private boolean isDisposing;
  94
  95     public HDPowerViewShadeHandler(Thing thing) {
  96         super(thing);
  97     }
  98
  99     @Override
 100     public void initialize() {
 101         isDisposing = false;
 102         shadeId = getConfigAs(HDPowerViewShadeConfiguration.class).id;
 103         logger.debug("Initializing shade handler for shade {}", shadeId);
 104         Bridge bridge = getBridge();
 105         if (bridge == null) {
 106             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 107                     "@text/offline.conf-error.invalid-bridge-handler");
 108             return;
 109         }
 110
 111         updateStatus(ThingStatus.UNKNOWN);
 112     }
 113
 114     @Override
 115     public void dispose() {
 116         logger.debug("Disposing shade handler for shade {}", shadeId);
 117         isDisposing = true;
 118         ScheduledFuture<?> future = refreshPositionFuture;
 119         if (future != null) {
 120             future.cancel(true);
 121         }
 122         refreshPositionFuture = null;
 123         future = refreshSignalFuture;
 124         if (future != null) {
 125             future.cancel(true);
 126         }
 127         refreshSignalFuture = null;
 128         future = refreshBatteryLevelFuture;
 129         if (future != null) {
 130             future.cancel(true);
 131         }
 132         refreshBatteryLevelFuture = null;
 133         capabilities = null;
 134     }
 135
 136     @Override
 137     public void handleCommand(ChannelUID channelUID, Command command) {
 138         String channelId = channelUID.getId();
 139
 140         if (RefreshType.REFRESH == command) {
 141             switch (channelId) {
 142                 case CHANNEL_SHADE_POSITION:
 143                 case CHANNEL_SHADE_SECONDARY_POSITION:
 144                 case CHANNEL_SHADE_VANE:
 145                     requestRefreshShadePosition();
 146                     break;
 147                 case CHANNEL_SHADE_LOW_BATTERY:
 148                 case CHANNEL_SHADE_BATTERY_LEVEL:
 149                 case CHANNEL_SHADE_BATTERY_VOLTAGE:
 150                     requestRefreshShadeBatteryLevel();
 151                     break;
 152                 case CHANNEL_SHADE_SIGNAL_STRENGTH:
 153                     requestRefreshShadeSurvey();
 154                     break;
 155             }
 156             return;
 157         }
 158
 159         HDPowerViewHubHandler bridge = getBridgeHandler();
 160         if (bridge == null) {
 161             logger.warn("Missing bridge handler");
 162             return;
 163         }
 164         HDPowerViewWebTargets webTargets = bridge.getWebTargets();
 165         try {
 166             handleShadeCommand(channelId, command, webTargets, shadeId);
 167         } catch (HubInvalidResponseException e) {
 168             Throwable cause = e.getCause();
 169             if (cause == null) {
 170                 logger.warn("Bridge returned a bad JSON response: {}", e.getMessage());
 171             } else {
 172                 logger.warn("Bridge returned a bad JSON response: {} -> {}", e.getMessage(), cause.getMessage());
 173             }
 174         } catch (HubMaintenanceException e) {
 175             // exceptions are logged in HDPowerViewWebTargets
 176         } catch (HubShadeTimeoutException e) {
 177             logger.warn("Shade {} timeout when sending command {}", shadeId, command);
 178         } catch (HubException e) {
 179             // ScheduledFutures will be cancelled by dispose(), naturally causing InterruptedException in invoke()
 180             // for any ongoing requests. Logging this would only cause confusion.
 181             if (!isDisposing) {
 182                 logger.warn("Unexpected error: {}", e.getMessage());
 183             }
 184         }
 185     }
 186
 187     private void handleShadeCommand(String channelId, Command command, HDPowerViewWebTargets webTargets, int shadeId)
 188             throws HubInvalidResponseException, HubProcessingException, HubMaintenanceException,
 189             HubShadeTimeoutException {
 190         switch (channelId) {
 191             case CHANNEL_SHADE_POSITION:
 192                 if (command instanceof PercentType) {
 193                     moveShade(PRIMARY_POSITION, ((PercentType) command).intValue(), webTargets, shadeId);
 194                 } else if (command instanceof UpDownType) {
 195                     moveShade(PRIMARY_POSITION, UpDownType.UP == command ? 0 : 100, webTargets, shadeId);
 196                 } else if (command instanceof StopMoveType) {
 197                     if (StopMoveType.STOP == command) {
 198                         stopShade(webTargets, shadeId);
 199                     } else {
 200                         logger.warn("Unexpected StopMoveType command");
 201                     }
 202                 }
 203                 break;
 204
 205             case CHANNEL_SHADE_VANE:
 206                 if (command instanceof PercentType) {
 207                     moveShade(VANE_TILT_POSITION, ((PercentType) command).intValue(), webTargets, shadeId);
 208                 } else if (command instanceof OnOffType) {
 209                     moveShade(VANE_TILT_POSITION, OnOffType.ON == command ? 100 : 0, webTargets, shadeId);
 210                 }
 211                 break;
 212
 213             case CHANNEL_SHADE_SECONDARY_POSITION:
 214                 if (command instanceof PercentType) {
 215                     moveShade(SECONDARY_POSITION, ((PercentType) command).intValue(), webTargets, shadeId);
 216                 } else if (command instanceof UpDownType) {
 217                     moveShade(SECONDARY_POSITION, UpDownType.UP == command ? 0 : 100, webTargets, shadeId);
 218                 } else if (command instanceof StopMoveType) {
 219                     if (StopMoveType.STOP == command) {
 220                         stopShade(webTargets, shadeId);
 221                     } else {
 222                         logger.warn("Unexpected StopMoveType command");
 223                     }
 224                 }
 225                 break;
 226
 227             case CHANNEL_SHADE_COMMAND:
 228                 if (command instanceof StringType) {
 229                     if (COMMAND_IDENTIFY.equals(((StringType) command).toString())) {
 230                         logger.debug("Identify shade {}", shadeId);
 231                         identifyShade(webTargets, shadeId);
 232                     } else if (COMMAND_CALIBRATE.equals(((StringType) command).toString())) {
 233                         logger.debug("Calibrate shade {}", shadeId);
 234                         calibrateShade(webTargets, shadeId);
 235                     }
 236                 } else {
 237                     logger.warn("Unsupported command: {}. Supported commands are: " + COMMAND_CALIBRATE, command);
 238                 }
 239                 break;
 240         }
 241     }
 242
 243     /**
 244      * Update the state of the channels based on the ShadeData provided.
 245      *
 246      * @param shadeData the ShadeData to be used.
 247      */
 248     protected void onReceiveUpdate(ShadeData shadeData) {
 249         updateStatus(ThingStatus.ONLINE);
 250         updateCapabilities(shadeData);
 251         updateSoftProperties(shadeData);
 252         updateFirmwareProperties(shadeData);
 253         ShadePosition shadePosition = shadeData.positions;
 254         if (shadePosition != null) {
 255             updatePositionStates(shadePosition);
 256         }
 257         updateBatteryStates(shadeData.batteryStatus, shadeData.batteryStrength);
 258         updateSignalStrengthState(shadeData.signalStrength);
 259     }
 260
 261     private void updateCapabilities(ShadeData shade) {
 262         if (capabilities != null) {
 263             // Already cached.
 264             return;
 265         }
 266         Capabilities capabilities = db.getCapabilities(shade.type, shade.capabilities);
 267         if (capabilities.getValue() < 0) {
 268             logger.debug("Unable to set capabilities for shade {}", shade.id);
 269             return;
 270         }
 271         logger.debug("Caching capabilities {} for shade {}", capabilities.getValue(), shade.id);
 272         this.capabilities = capabilities;
 273     }
 274
 275     private Capabilities getCapabilitiesOrDefault() {
 276         Capabilities capabilities = this.capabilities;
 277         if (capabilities == null) {
 278             return new Capabilities();
 279         }
 280         return capabilities;
 281     }
 282
 283     /**
 284      * Update the Thing's properties based on the contents of the provided ShadeData.
 285      *
 286      * Checks the database of known Shade 'types' and 'capabilities' and logs any unknown or incompatible values, so
 287      * that developers can be kept updated about the potential need to add support for that type resp. capabilities.
 288      *
 289      * @param shadeData
 290      */
 291     private void updateSoftProperties(ShadeData shadeData) {
 292         final Map<String, String> properties = getThing().getProperties();
 293         boolean propChanged = false;
 294
 295         // update 'type' property
 296         final int type = shadeData.type;
 297         String propKey = HDPowerViewBindingConstants.PROPERTY_SHADE_TYPE;
 298         String propOldVal = properties.getOrDefault(propKey, "");
 299         String propNewVal = db.getType(type).toString();
 300         if (!propNewVal.equals(propOldVal)) {
 301             propChanged = true;
 302             getThing().setProperty(propKey, propNewVal);
 303             if ((type > 0) && !db.isTypeInDatabase(type)) {
 304                 db.logTypeNotInDatabase(type);
 305             }
 306         }
 307
 308         // update 'capabilities' property
 309         Capabilities capabilities = db.getCapabilities(shadeData.capabilities);
 310         final int capabilitiesVal = capabilities.getValue();
 311         propKey = HDPowerViewBindingConstants.PROPERTY_SHADE_CAPABILITIES;
 312         propOldVal = properties.getOrDefault(propKey, "");
 313         propNewVal = capabilities.toString();
 314         if (!propNewVal.equals(propOldVal)) {
 315             propChanged = true;
 316             getThing().setProperty(propKey, propNewVal);
 317             if ((capabilitiesVal >= 0) && !db.isCapabilitiesInDatabase(capabilitiesVal)) {
 318                 db.logCapabilitiesNotInDatabase(type, capabilitiesVal);
 319             }
 320         }
 321
 322         if (propChanged && db.isCapabilitiesInDatabase(capabilitiesVal) && db.isTypeInDatabase(type)
 323                 && (capabilitiesVal != db.getType(type).getCapabilities()) && (shadeData.capabilities != null)) {
 324             db.logCapabilitiesMismatch(type, capabilitiesVal);
 325         }
 326     }
 327
 328     private void updateFirmwareProperties(ShadeData shadeData) {
 329         Map<String, String> properties = editProperties();
 330         Firmware shadeFirmware = shadeData.firmware;
 331         Firmware motorFirmware = shadeData.motor;
 332         if (shadeFirmware != null) {
 333             properties.put(Thing.PROPERTY_FIRMWARE_VERSION, shadeFirmware.toString());
 334         }
 335         if (motorFirmware != null) {
 336             properties.put(PROPERTY_MOTOR_FIRMWARE_VERSION, motorFirmware.toString());
 337         }
 338         updateProperties(properties);
 339     }
 340
 341     /**
 342      * After a hard refresh, update the Thing's detected capabilities based on the contents of the provided ShadeData.
 343      *
 344      * Checks if the secondary support capabilities in the database of known Shade 'types' and 'capabilities' matches
 345      * that implied by the ShadeData and logs any incompatible values, so that developers can be kept updated about the
 346      * potential need to add support for that type resp. capabilities.
 347      *
 348      * @param shadeData
 349      */
 350     private void updateDetectedCapabilities(ShadeData shadeData) {
 351         final ShadePosition positions = shadeData.positions;
 352         if (positions == null) {
 353             return;
 354         }
 355         Capabilities capabilities = getCapabilitiesOrDefault();
 356
 357         // update 'secondary rail' detected capability
 358         String capsKey = DETECTED_SECONDARY_RAIL;
 359         String capsOldVal = detectedCapabilities.getOrDefault(capsKey, "");
 360         boolean capsNewBool = positions.secondaryRailDetected();
 361         String capsNewVal = String.valueOf(capsNewBool);
 362         if (!capsNewVal.equals(capsOldVal)) {
 363             detectedCapabilities.put(capsKey, capsNewVal);
 364             if (capsNewBool != capabilities.supportsSecondary()) {
 365                 db.logPropertyMismatch(capsKey, shadeData.type, capabilities.getValue(), capsNewBool);
 366             }
 367         }
 368
 369         // update 'tilt anywhere' detected capability
 370         capsKey = DETECTED_TILT_ANYWHERE;
 371         capsOldVal = detectedCapabilities.getOrDefault(capsKey, "");
 372         capsNewBool = positions.tiltAnywhereDetected();
 373         capsNewVal = String.valueOf(capsNewBool);
 374         if (!capsNewVal.equals(capsOldVal)) {
 375             detectedCapabilities.put(capsKey, capsNewVal);
 376             if (capsNewBool != capabilities.supportsTiltAnywhere()) {
 377                 db.logPropertyMismatch(capsKey, shadeData.type, capabilities.getValue(), capsNewBool);
 378             }
 379         }
 380     }
 381
 382     private void updatePositionStates(ShadePosition shadePos) {
 383         Capabilities capabilities = this.capabilities;
 384         if (capabilities == null) {
 385             logger.debug("The 'shadeCapabilities' field has not yet been initialized");
 386             updateState(CHANNEL_SHADE_POSITION, UnDefType.UNDEF);
 387             updateState(CHANNEL_SHADE_VANE, UnDefType.UNDEF);
 388             updateState(CHANNEL_SHADE_SECONDARY_POSITION, UnDefType.UNDEF);
 389             return;
 390         }
 391         updateState(CHANNEL_SHADE_POSITION, shadePos.getState(capabilities, PRIMARY_POSITION));
 392         updateState(CHANNEL_SHADE_VANE, shadePos.getState(capabilities, VANE_TILT_POSITION));
 393         updateState(CHANNEL_SHADE_SECONDARY_POSITION, shadePos.getState(capabilities, SECONDARY_POSITION));
 394     }
 395
 396     private void updateBatteryStates(int batteryStatus, double batteryStrength) {
 397         updateBatteryLevelStates(batteryStatus);
 398         updateState(CHANNEL_SHADE_BATTERY_VOLTAGE,
 399                 batteryStrength > 0 ? new QuantityType<>(batteryStrength / 10, Units.VOLT) : UnDefType.UNDEF);
 400     }
 401
 402     private void updateBatteryLevelStates(int batteryStatus) {
 403         int mappedValue;
 404         switch (batteryStatus) {
 405             case 1: // Low
 406                 mappedValue = 10;
 407                 break;
 408             case 2: // Medium
 409                 mappedValue = 50;
 410                 break;
 411             case 3: // High
 412             case 4: // Plugged in
 413                 mappedValue = 100;
 414                 break;
 415             default: // No status available (0) or invalid
 416                 updateState(CHANNEL_SHADE_LOW_BATTERY, UnDefType.UNDEF);
 417                 updateState(CHANNEL_SHADE_BATTERY_LEVEL, UnDefType.UNDEF);
 418                 return;
 419         }
 420         updateState(CHANNEL_SHADE_LOW_BATTERY, batteryStatus == 1 ? OnOffType.ON : OnOffType.OFF);
 421         updateState(CHANNEL_SHADE_BATTERY_LEVEL, new DecimalType(mappedValue));
 422     }
 423
 424     private void updateSignalStrengthState(int signalStrength) {
 425         updateState(CHANNEL_SHADE_SIGNAL_STRENGTH, new DecimalType(signalStrength));
 426     }
 427
 428     private void moveShade(CoordinateSystem coordSys, int newPercent, HDPowerViewWebTargets webTargets, int shadeId)
 429             throws HubInvalidResponseException, HubProcessingException, HubMaintenanceException,
 430             HubShadeTimeoutException {
 431         ShadePosition newPosition = null;
 432         // (try to) read the positions from the hub
 433         ShadeData shadeData = webTargets.getShade(shadeId);
 434         updateCapabilities(shadeData);
 435         newPosition = shadeData.positions;
 436         // if no positions returned, then create a new position
 437         if (newPosition == null) {
 438             newPosition = new ShadePosition();
 439         }
 440         Capabilities capabilities = getCapabilitiesOrDefault();
 441         // set the new position value, and write the positions to the hub
 442         shadeData = webTargets.moveShade(shadeId, newPosition.setPosition(capabilities, coordSys, newPercent));
 443         updateShadePositions(shadeData);
 444     }
 445
 446     private void stopShade(HDPowerViewWebTargets webTargets, int shadeId) throws HubInvalidResponseException,
 447             HubProcessingException, HubMaintenanceException, HubShadeTimeoutException {
 448         updateShadePositions(webTargets.stopShade(shadeId));
 449         // Positions in response from stop motion is not updated to to actual positions yet,
 450         // so we need to request hard refresh.
 451         requestRefreshShadePosition();
 452     }
 453
 454     private void identifyShade(HDPowerViewWebTargets webTargets, int shadeId) throws HubInvalidResponseException,
 455             HubProcessingException, HubMaintenanceException, HubShadeTimeoutException {
 456         updateShadePositions(webTargets.jogShade(shadeId));
 457     }
 458
 459     private void calibrateShade(HDPowerViewWebTargets webTargets, int shadeId) throws HubInvalidResponseException,
 460             HubProcessingException, HubMaintenanceException, HubShadeTimeoutException {
 461         updateShadePositions(webTargets.calibrateShade(shadeId));
 462     }
 463
 464     private void updateShadePositions(ShadeData shadeData) {
 465         ShadePosition shadePosition = shadeData.positions;
 466         if (shadePosition == null) {
 467             return;
 468         }
 469         updateCapabilities(shadeData);
 470         updatePositionStates(shadePosition);
 471     }
 472
 473     /**
 474      * Request that the shade shall undergo a 'hard' refresh for querying its current position
 475      */
 476     protected synchronized void requestRefreshShadePosition() {
 477         if (refreshPositionFuture == null) {
 478             refreshPositionFuture = scheduler.schedule(this::doRefreshShadePosition, 0, TimeUnit.SECONDS);
 479         }
 480     }
 481
 482     /**
 483      * Request that the shade shall undergo a 'hard' refresh for querying its survey data
 484      */
 485     protected synchronized void requestRefreshShadeSurvey() {
 486         if (refreshSignalFuture == null) {
 487             refreshSignalFuture = scheduler.schedule(this::doRefreshShadeSignal, 0, TimeUnit.SECONDS);
 488         }
 489     }
 490
 491     /**
 492      * Request that the shade shall undergo a 'hard' refresh for querying its battery level state
 493      */
 494     protected synchronized void requestRefreshShadeBatteryLevel() {
 495         if (refreshBatteryLevelFuture == null) {
 496             refreshBatteryLevelFuture = scheduler.schedule(this::doRefreshShadeBatteryLevel, 0, TimeUnit.SECONDS);
 497         }
 498     }
 499
 500     private void doRefreshShadePosition() {
 501         this.doRefreshShade(RefreshKind.POSITION);
 502         refreshPositionFuture = null;
 503     }
 504
 505     private void doRefreshShadeSignal() {
 506         this.doRefreshShade(RefreshKind.SURVEY);
 507         refreshSignalFuture = null;
 508     }
 509
 510     private void doRefreshShadeBatteryLevel() {
 511         this.doRefreshShade(RefreshKind.BATTERY_LEVEL);
 512         refreshBatteryLevelFuture = null;
 513     }
 514
 515     private void doRefreshShade(RefreshKind kind) {
 516         try {
 517             HDPowerViewHubHandler bridge;
 518             if ((bridge = getBridgeHandler()) == null) {
 519                 throw new HubProcessingException("Missing bridge handler");
 520             }
 521             HDPowerViewWebTargets webTargets = bridge.getWebTargets();
 522             ShadeData shadeData;
 523             switch (kind) {
 524                 case POSITION:
 525                     shadeData = webTargets.refreshShadePosition(shadeId);
 526                     updateShadePositions(shadeData);
 527                     updateDetectedCapabilities(shadeData);
 528                     break;
 529                 case SURVEY:
 530                     List<SurveyData> surveyData = webTargets.getShadeSurvey(shadeId);
 531                     if (!surveyData.isEmpty()) {
 532                         if (logger.isDebugEnabled()) {
 533                             StringJoiner joiner = new StringJoiner(", ");
 534                             surveyData.forEach(data -> joiner.add(data.toString()));
 535                             logger.debug("Survey response for shade {}: {}", shadeId, joiner.toString());
 536                         }
 537                         shadeData = webTargets.getShade(shadeId);
 538                         updateSignalStrengthState(shadeData.signalStrength);
 539                     } else {
 540                         logger.info("No data from shade {} survey", shadeId);
 541                         /*
 542                          * Setting channel to UNDEF here would be reverted on next poll, since
 543                          * signal strength is part of shade response. So leaving current value,
 544                          * even though refreshing the value failed.
 545                          */
 546                     }
 547                     break;
 548                 case BATTERY_LEVEL:
 549                     shadeData = webTargets.refreshShadeBatteryLevel(shadeId);
 550                     updateBatteryStates(shadeData.batteryStatus, shadeData.batteryStrength);
 551                     break;
 552                 default:
 553                     throw new NotSupportedException("Unsupported refresh kind " + kind.toString());
 554             }
 555         } catch (HubInvalidResponseException e) {
 556             Throwable cause = e.getCause();
 557             if (cause == null) {
 558                 logger.warn("Bridge returned a bad JSON response: {}", e.getMessage());
 559             } else {
 560                 logger.warn("Bridge returned a bad JSON response: {} -> {}", e.getMessage(), cause.getMessage());
 561             }
 562         } catch (HubMaintenanceException e) {
 563             // exceptions are logged in HDPowerViewWebTargets
 564         } catch (HubShadeTimeoutException e) {
 565             logger.info("Shade {} wireless refresh time out", shadeId);
 566         } catch (HubException e) {
 567             // ScheduledFutures will be cancelled by dispose(), naturally causing InterruptedException in invoke()
 568             // for any ongoing requests. Logging this would only cause confusion.
 569             if (!isDisposing) {
 570                 logger.warn("Unexpected error: {}", e.getMessage());
 571             }
 572         }
 573     }
 574 }