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   1 /**
   2  * Copyright (c) 2010-2023 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.sonyprojector.internal.handler;
  14
  15 import static org.openhab.binding.sonyprojector.internal.SonyProjectorBindingConstants.*;
  16
  17 import java.util.concurrent.ScheduledFuture;
  18 import java.util.concurrent.TimeUnit;
  19
  20 import org.eclipse.jdt.annotation.NonNullByDefault;
  21 import org.eclipse.jdt.annotation.Nullable;
  22 import org.openhab.binding.sonyprojector.internal.SonyProjectorCommandDescriptionOptionProvider;
  23 import org.openhab.binding.sonyprojector.internal.SonyProjectorException;
  24 import org.openhab.binding.sonyprojector.internal.SonyProjectorModel;
  25 import org.openhab.binding.sonyprojector.internal.SonyProjectorStateDescriptionOptionProvider;
  26 import org.openhab.binding.sonyprojector.internal.communication.SonyProjectorConnector;
  27 import org.openhab.binding.sonyprojector.internal.communication.SonyProjectorItem;
  28 import org.openhab.binding.sonyprojector.internal.communication.SonyProjectorStatusPower;
  29 import org.openhab.binding.sonyprojector.internal.communication.sdcp.SonyProjectorSdcpConnector;
  30 import org.openhab.binding.sonyprojector.internal.communication.sdcp.SonyProjectorSdcpSimuConnector;
  31 import org.openhab.binding.sonyprojector.internal.communication.serial.SonyProjectorSerialConnector;
  32 import org.openhab.binding.sonyprojector.internal.communication.serial.SonyProjectorSerialOverIpConnector;
  33 import org.openhab.binding.sonyprojector.internal.communication.serial.SonyProjectorSerialSimuConnector;
  34 import org.openhab.binding.sonyprojector.internal.configuration.SonyProjectorEthernetConfiguration;
  35 import org.openhab.binding.sonyprojector.internal.configuration.SonyProjectorSerialConfiguration;
  36 import org.openhab.binding.sonyprojector.internal.configuration.SonyProjectorSerialOverIpConfiguration;
  37 import org.openhab.core.cache.ExpiringCacheMap;
  38 import org.openhab.core.i18n.ConnectionException;
  39 import org.openhab.core.i18n.TranslationProvider;
  40 import org.openhab.core.io.transport.serial.SerialPortManager;
  41 import org.openhab.core.library.types.DecimalType;
  42 import org.openhab.core.library.types.OnOffType;
  43 import org.openhab.core.library.types.PercentType;
  44 import org.openhab.core.library.types.StringType;
  45 import org.openhab.core.thing.ChannelUID;
  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.binding.BaseThingHandler;
  50 import org.openhab.core.types.Command;
  51 import org.openhab.core.types.RefreshType;
  52 import org.openhab.core.types.State;
  53 import org.openhab.core.types.UnDefType;
  54 import org.osgi.framework.Bundle;
  55 import org.osgi.framework.FrameworkUtil;
  56 import org.slf4j.Logger;
  57 import org.slf4j.LoggerFactory;
  58
  59 /**
  60  * The {@link SonyProjectorHandler} is responsible for handling commands, which are
  61  * sent to one of the channels.
  62  *
  63  * @author Markus Wehrle - Initial contribution
  64  * @author Laurent Garnier - Refactoring, poll thread for regular channels updates, new serial thing type, new channels
  65  * @author Laurent Garnier - Add new channel "ircommand"
  66  */
  67 @NonNullByDefault
  68 public class SonyProjectorHandler extends BaseThingHandler {
  69
  70     private static final SonyProjectorModel DEFAULT_MODEL = SonyProjectorModel.VW520;
  71     private static final long POLLING_INTERVAL = TimeUnit.SECONDS.toSeconds(15);
  72
  73     private final Logger logger = LoggerFactory.getLogger(SonyProjectorHandler.class);
  74
  75     private final SonyProjectorStateDescriptionOptionProvider stateDescriptionProvider;
  76     private final SonyProjectorCommandDescriptionOptionProvider commandDescriptionProvider;
  77     private final SerialPortManager serialPortManager;
  78     private final TranslationProvider i18nProvider;
  79
  80     private final Bundle bundle;
  81
  82     private final ExpiringCacheMap<String, State> cache;
  83
  84     private @Nullable ScheduledFuture<?> refreshJob;
  85
  86     private boolean identifyProjector;
  87     private SonyProjectorModel projectorModel = DEFAULT_MODEL;
  88     private SonyProjectorConnector connector = new SonyProjectorSdcpSimuConnector(DEFAULT_MODEL);
  89
  90     private boolean simu;
  91
  92     private final Object commandLock = new Object();
  93
  94     public SonyProjectorHandler(Thing thing, SonyProjectorStateDescriptionOptionProvider stateDescriptionProvider,
  95             SonyProjectorCommandDescriptionOptionProvider commandDescriptionProvider,
  96             SerialPortManager serialPortManager, TranslationProvider i18nProvider) {
  97         super(thing);
  98         this.stateDescriptionProvider = stateDescriptionProvider;
  99         this.commandDescriptionProvider = commandDescriptionProvider;
 100         this.serialPortManager = serialPortManager;
 101         this.i18nProvider = i18nProvider;
 102         this.bundle = FrameworkUtil.getBundle(this.getClass());
 103         this.cache = new ExpiringCacheMap<>(TimeUnit.SECONDS.toMillis(POLLING_INTERVAL));
 104     }
 105
 106     @Override
 107     public void handleCommand(ChannelUID channelUID, Command command) {
 108         String channel = channelUID.getId();
 109         if (command instanceof RefreshType) {
 110             State state = cache.get(channel);
 111             if (state != null) {
 112                 updateState(channel, state);
 113             }
 114             return;
 115         }
 116
 117         synchronized (commandLock) {
 118             try {
 119                 connector.open();
 120             } catch (ConnectionException e) {
 121                 logger.debug("Command {} from channel {} failed: {}", command, channel,
 122                         e.getMessage(bundle, i18nProvider));
 123                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, e.getRawMessage());
 124                 return;
 125             }
 126             try {
 127                 switch (channel) {
 128                     case CHANNEL_POWER:
 129                         if (command == OnOffType.ON) {
 130                             connector.powerOn();
 131                         } else if (command == OnOffType.OFF) {
 132                             connector.powerOff();
 133                         } else {
 134                             throw new SonyProjectorException("Invalid command value");
 135                         }
 136                         break;
 137                     case CHANNEL_INPUT:
 138                         connector.setInput(command.toString());
 139                         break;
 140                     case CHANNEL_CALIBRATION_PRESET:
 141                         connector.setCalibrationPreset(command.toString());
 142                         refreshChannel(CHANNEL_CONTRAST, true);
 143                         refreshChannel(CHANNEL_BRIGHTNESS, true);
 144                         refreshChannel(CHANNEL_COLOR, true);
 145                         refreshChannel(CHANNEL_HUE, true);
 146                         refreshChannel(CHANNEL_SHARPNESS, true);
 147                         refreshChannel(CHANNEL_COLOR_TEMP, true);
 148                         refreshChannel(CHANNEL_IRIS_MODE, true);
 149                         refreshChannel(CHANNEL_IRIS_MANUAL, true);
 150                         refreshChannel(CHANNEL_IRIS_SENSITIVITY, true);
 151                         refreshChannel(CHANNEL_LAMP_CONTROL, true);
 152                         refreshChannel(CHANNEL_FILM_PROJECTION, true);
 153                         refreshChannel(CHANNEL_MOTION_ENHANCER, true);
 154                         refreshChannel(CHANNEL_CONTRAST_ENHANCER, true);
 155                         refreshChannel(CHANNEL_FILM_MODE, true);
 156                         refreshChannel(CHANNEL_GAMMA_CORRECTION, true);
 157                         refreshChannel(CHANNEL_COLOR_SPACE, true);
 158                         refreshChannel(CHANNEL_NR, true);
 159                         refreshChannel(CHANNEL_BLOCK_NR, true);
 160                         refreshChannel(CHANNEL_MOSQUITO_NR, true);
 161                         refreshChannel(CHANNEL_MPEG_NR, true);
 162                         refreshChannel(CHANNEL_XVCOLOR, true);
 163                         break;
 164                     case CHANNEL_CONTRAST:
 165                         if (command instanceof DecimalType decimalCommand) {
 166                             connector.setContrast(decimalCommand.intValue());
 167                         } else if (command instanceof PercentType percentCommand) {
 168                             connector.setContrast(percentCommand.intValue());
 169                         } else {
 170                             throw new SonyProjectorException("Invalid command value");
 171                         }
 172                         break;
 173                     case CHANNEL_BRIGHTNESS:
 174                         if (command instanceof DecimalType decimalCommand) {
 175                             connector.setBrightness(decimalCommand.intValue());
 176                         } else if (command instanceof PercentType percentCommand2) {
 177                             connector.setBrightness(percentCommand2.intValue());
 178                         } else {
 179                             throw new SonyProjectorException("Invalid command value");
 180                         }
 181                         break;
 182                     case CHANNEL_COLOR:
 183                         if (command instanceof DecimalType decimalCommand) {
 184                             connector.setColor(decimalCommand.intValue());
 185                         } else if (command instanceof PercentType percentCommand3) {
 186                             connector.setColor(percentCommand3.intValue());
 187                         } else {
 188                             throw new SonyProjectorException("Invalid command value");
 189                         }
 190                         break;
 191                     case CHANNEL_HUE:
 192                         if (command instanceof DecimalType decimalCommand) {
 193                             connector.setHue(decimalCommand.intValue());
 194                         } else if (command instanceof PercentType percentCommand4) {
 195                             connector.setHue(percentCommand4.intValue());
 196                         } else {
 197                             throw new SonyProjectorException("Invalid command value");
 198                         }
 199                         break;
 200                     case CHANNEL_SHARPNESS:
 201                         if (command instanceof DecimalType decimalCommand) {
 202                             connector.setSharpness(decimalCommand.intValue());
 203                         } else if (command instanceof PercentType percentCommand5) {
 204                             connector.setSharpness(percentCommand5.intValue());
 205                         } else {
 206                             throw new SonyProjectorException("Invalid command value");
 207                         }
 208                         break;
 209                     case CHANNEL_COLOR_TEMP:
 210                         connector.setColorTemperature(command.toString());
 211                         break;
 212                     case CHANNEL_IRIS_MODE:
 213                         connector.setIrisMode(command.toString());
 214                         refreshChannel(CHANNEL_IRIS_MANUAL, true);
 215                         break;
 216                     case CHANNEL_IRIS_MANUAL:
 217                         if (command instanceof DecimalType decimalCommand) {
 218                             connector.setIrisManual(decimalCommand.intValue());
 219                         } else if (command instanceof PercentType percentCommand6) {
 220                             connector.setIrisManual(percentCommand6.intValue());
 221                         } else {
 222                             throw new SonyProjectorException("Invalid command value");
 223                         }
 224                         break;
 225                     case CHANNEL_IRIS_SENSITIVITY:
 226                         connector.setIrisSensitivity(command.toString());
 227                         break;
 228                     case CHANNEL_LAMP_CONTROL:
 229                         connector.setLampControl(command.toString());
 230                         break;
 231                     case CHANNEL_FILM_PROJECTION:
 232                         connector.setFilmProjection(command.toString());
 233                         break;
 234                     case CHANNEL_MOTION_ENHANCER:
 235                         connector.setMotionEnhancer(command.toString());
 236                         break;
 237                     case CHANNEL_CONTRAST_ENHANCER:
 238                         connector.setContrastEnhancer(command.toString());
 239                         break;
 240                     case CHANNEL_FILM_MODE:
 241                         connector.setFilmMode(command.toString());
 242                         break;
 243                     case CHANNEL_GAMMA_CORRECTION:
 244                         connector.setGammaCorrection(command.toString());
 245                         break;
 246                     case CHANNEL_COLOR_SPACE:
 247                         connector.setColorSpace(command.toString());
 248                         break;
 249                     case CHANNEL_NR:
 250                         connector.setNr(command.toString());
 251                         break;
 252                     case CHANNEL_BLOCK_NR:
 253                         connector.setBlockNr(command.toString());
 254                         break;
 255                     case CHANNEL_MOSQUITO_NR:
 256                         connector.setMosquitoNr(command.toString());
 257                         break;
 258                     case CHANNEL_MPEG_NR:
 259                         connector.setMpegNr(command.toString());
 260                         break;
 261                     case CHANNEL_XVCOLOR:
 262                         if (command == OnOffType.ON) {
 263                             connector.enableXvColor();
 264                             refreshChannel(CHANNEL_GAMMA_CORRECTION, true);
 265                         } else if (command == OnOffType.OFF) {
 266                             connector.disableXvColor();
 267                             refreshChannel(CHANNEL_GAMMA_CORRECTION, true);
 268                         } else {
 269                             throw new SonyProjectorException("Invalid command value");
 270                         }
 271                         break;
 272                     case CHANNEL_PICTURE_MUTING:
 273                         if (command == OnOffType.ON) {
 274                             connector.mutePicture();
 275                         } else if (command == OnOffType.OFF) {
 276                             connector.unmutePicture();
 277                         } else {
 278                             throw new SonyProjectorException("Invalid command value");
 279                         }
 280                         break;
 281                     case CHANNEL_ASPECT:
 282                         connector.setAspect(command.toString());
 283                         break;
 284                     case CHANNEL_OVERSCAN:
 285                         if (command == OnOffType.ON) {
 286                             connector.enableOverscan();
 287                         } else if (command == OnOffType.OFF) {
 288                             connector.disableOverscan();
 289                         } else {
 290                             throw new SonyProjectorException("Invalid command value");
 291                         }
 292                         break;
 293                     case CHANNEL_PICTURE_POSITION:
 294                         connector.setPicturePosition(command.toString());
 295                         break;
 296                     case CHANNEL_IR_COMMAND:
 297                         connector.sendIrCommand(command.toString());
 298                         break;
 299                     default:
 300                         throw new SonyProjectorException("Unexpected command");
 301                 }
 302                 logger.debug("Command {} from channel {} succeeded", command, channel);
 303             } catch (SonyProjectorException e) {
 304                 logger.debug("Command {} from channel {} failed: {}", command, channel, e.getMessage());
 305                 refreshChannel(channel, true);
 306             }
 307             connector.close();
 308         }
 309     }
 310
 311     @Override
 312     public void initialize() {
 313         logger.debug("Start initializing handler for thing {}", getThing().getUID());
 314
 315         boolean configOk = false;
 316
 317         if (getThing().getThingTypeUID().equals(THING_TYPE_ETHERNET)) {
 318             SonyProjectorEthernetConfiguration config = getConfigAs(SonyProjectorEthernetConfiguration.class);
 319             String configModel = config.model;
 320             logger.debug("Ethernet config host {}", config.host);
 321             logger.debug("Ethernet config port {}", config.port);
 322             logger.debug("Ethernet config model {}", configModel);
 323             logger.debug("Ethernet config community {}", config.community);
 324             if (config.host == null || config.host.isEmpty()) {
 325                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 326                         "@text/offline.config-error-unknown-host");
 327             } else if (configModel == null || configModel.isEmpty()) {
 328                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 329                         "@text/offline.config-error-unknown-model");
 330             } else {
 331                 configOk = true;
 332
 333                 connector = simu ? new SonyProjectorSdcpSimuConnector(DEFAULT_MODEL)
 334                         : new SonyProjectorSdcpConnector(config.host, config.port, config.community, DEFAULT_MODEL);
 335                 identifyProjector = "AUTO".equals(configModel);
 336                 projectorModel = switchToModel("AUTO".equals(configModel) ? null : configModel, true);
 337
 338                 updateStatus(ThingStatus.UNKNOWN);
 339             }
 340         } else if (getThing().getThingTypeUID().equals(THING_TYPE_SERIAL)) {
 341             SonyProjectorSerialConfiguration config = getConfigAs(SonyProjectorSerialConfiguration.class);
 342             String configModel = config.model;
 343             logger.debug("Serial config port {}", config.port);
 344             logger.debug("Serial config model {}", configModel);
 345             if (config.port == null || config.port.isEmpty()) {
 346                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 347                         "@text/offline.config-error-unknown-port");
 348             } else if (config.port.toLowerCase().startsWith("rfc2217")) {
 349                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 350                         "@text/offline.config-error-invalid-thing-type");
 351             } else if (configModel == null || configModel.isEmpty()) {
 352                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 353                         "@text/offline.config-error-unknown-model");
 354             } else {
 355                 configOk = true;
 356
 357                 connector = simu ? new SonyProjectorSerialSimuConnector(serialPortManager, DEFAULT_MODEL)
 358                         : new SonyProjectorSerialConnector(serialPortManager, config.port, DEFAULT_MODEL);
 359                 identifyProjector = false;
 360                 projectorModel = switchToModel(configModel, true);
 361
 362                 updateStatus(ThingStatus.UNKNOWN);
 363             }
 364         } else if (getThing().getThingTypeUID().equals(THING_TYPE_SERIAL_OVER_IP)) {
 365             SonyProjectorSerialOverIpConfiguration config = getConfigAs(SonyProjectorSerialOverIpConfiguration.class);
 366             String configModel = config.model;
 367             logger.debug("Serial over IP config host {}", config.host);
 368             logger.debug("Serial over IP config port {}", config.port);
 369             logger.debug("Serial over IP config model {}", configModel);
 370             if (config.host == null || config.host.isEmpty()) {
 371                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 372                         "@text/offline.config-error-unknown-host");
 373             } else if (config.port == null) {
 374                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 375                         "@text/offline.config-error-unknown-port");
 376             } else if (config.port <= 0) {
 377                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 378                         "@text/offline.config-error-invalid-port");
 379             } else if (configModel == null || configModel.isEmpty()) {
 380                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 381                         "@text/offline.config-error-unknown-model");
 382             } else {
 383                 configOk = true;
 384
 385                 connector = simu ? new SonyProjectorSerialSimuConnector(serialPortManager, DEFAULT_MODEL)
 386                         : new SonyProjectorSerialOverIpConnector(serialPortManager, config.host, config.port,
 387                                 DEFAULT_MODEL);
 388                 identifyProjector = false;
 389                 projectorModel = switchToModel(configModel, true);
 390
 391                 updateStatus(ThingStatus.UNKNOWN);
 392             }
 393         }
 394
 395         if (!configOk) {
 396             connector = new SonyProjectorSdcpSimuConnector(DEFAULT_MODEL);
 397         } else {
 398             ScheduledFuture<?> refreshJob = this.refreshJob;
 399             if (refreshJob == null || refreshJob.isCancelled()) {
 400                 this.refreshJob = scheduler.scheduleWithFixedDelay(() -> {
 401                     pollProjector();
 402                 }, 1, POLLING_INTERVAL, TimeUnit.SECONDS);
 403             }
 404         }
 405
 406         logger.debug("Finished initializing!");
 407     }
 408
 409     @Override
 410     public void dispose() {
 411         logger.debug("Disposing handler for thing {}", getThing().getUID());
 412         ScheduledFuture<?> refreshJob = this.refreshJob;
 413         if (refreshJob != null && !refreshJob.isCancelled()) {
 414             refreshJob.cancel(true);
 415             this.refreshJob = null;
 416         }
 417         connector.close();
 418         super.dispose();
 419     }
 420
 421     private void pollProjector() {
 422         synchronized (commandLock) {
 423             logger.debug("Polling the projector to refresh the channels...");
 424
 425             try {
 426                 connector.open();
 427             } catch (ConnectionException e) {
 428                 logger.debug("Poll projector failed: {}", e.getMessage(bundle, i18nProvider), e);
 429                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, e.getRawMessage());
 430                 return;
 431             }
 432
 433             boolean isOn = refreshPowerState();
 434             refreshModel();
 435             refreshChannel(CHANNEL_INPUT, isOn);
 436             refreshChannel(CHANNEL_CALIBRATION_PRESET, isOn);
 437             refreshChannel(CHANNEL_CONTRAST, isOn);
 438             refreshChannel(CHANNEL_BRIGHTNESS, isOn);
 439             refreshChannel(CHANNEL_COLOR, isOn);
 440             refreshChannel(CHANNEL_HUE, isOn);
 441             refreshChannel(CHANNEL_SHARPNESS, isOn);
 442             refreshChannel(CHANNEL_COLOR_TEMP, isOn);
 443             refreshChannel(CHANNEL_IRIS_MODE, isOn);
 444             refreshChannel(CHANNEL_IRIS_MANUAL, isOn);
 445             refreshChannel(CHANNEL_IRIS_SENSITIVITY, isOn);
 446             refreshChannel(CHANNEL_LAMP_CONTROL, isOn);
 447             refreshChannel(CHANNEL_FILM_PROJECTION, isOn);
 448             refreshChannel(CHANNEL_MOTION_ENHANCER, isOn);
 449             refreshChannel(CHANNEL_CONTRAST_ENHANCER, isOn);
 450             refreshChannel(CHANNEL_FILM_MODE, isOn);
 451             refreshChannel(CHANNEL_GAMMA_CORRECTION, isOn);
 452             refreshChannel(CHANNEL_COLOR_SPACE, isOn);
 453             refreshChannel(CHANNEL_NR, isOn);
 454             refreshChannel(CHANNEL_BLOCK_NR, isOn);
 455             refreshChannel(CHANNEL_MOSQUITO_NR, isOn);
 456             refreshChannel(CHANNEL_MPEG_NR, isOn);
 457             refreshChannel(CHANNEL_XVCOLOR, isOn);
 458             refreshChannel(CHANNEL_PICTURE_MUTING, isOn);
 459             refreshChannel(CHANNEL_ASPECT, isOn);
 460             refreshChannel(CHANNEL_OVERSCAN, isOn);
 461             refreshChannel(CHANNEL_PICTURE_POSITION, isOn);
 462             refreshChannel(CHANNEL_LAMP_USE_TIME, isOn);
 463
 464             connector.close();
 465
 466             updateStatus(ThingStatus.ONLINE);
 467
 468             logger.debug("End of the polling thread");
 469         }
 470     }
 471
 472     private void refreshModel() {
 473         if (identifyProjector && getThing().getThingTypeUID().equals(THING_TYPE_ETHERNET)) {
 474             try {
 475                 String modelName = ((SonyProjectorSdcpConnector) connector).getModelName();
 476                 logger.debug("getModelName returned {}", modelName);
 477                 identifyProjector = false;
 478                 switchToModel(modelName, false);
 479             } catch (SonyProjectorException e) {
 480                 logger.debug("getModelName failed: {}", e.getMessage());
 481             }
 482         }
 483     }
 484
 485     private SonyProjectorModel switchToModel(@Nullable String modelName, boolean force) {
 486         SonyProjectorModel model = DEFAULT_MODEL;
 487         if (modelName != null && !modelName.isEmpty()) {
 488             try {
 489                 model = SonyProjectorModel.getFromName(modelName, false);
 490                 logger.debug("Model found: {}", model.getName());
 491             } catch (SonyProjectorException e) {
 492                 logger.info("Model {} is unknow; consider {} by default", modelName, DEFAULT_MODEL.getName());
 493             }
 494         }
 495         if (force || !model.getName().equals(projectorModel.getName())) {
 496             connector.setModel(model);
 497             stateDescriptionProvider.setStateOptions(new ChannelUID(getThing().getUID(), CHANNEL_INPUT),
 498                     model.getInputStateOptions());
 499             stateDescriptionProvider.setStateOptions(new ChannelUID(getThing().getUID(), CHANNEL_CALIBRATION_PRESET),
 500                     model.getCalibrPresetStateOptions());
 501             stateDescriptionProvider.setStateOptions(new ChannelUID(getThing().getUID(), CHANNEL_COLOR_TEMP),
 502                     model.getColorTempStateOptions());
 503             stateDescriptionProvider.setStateOptions(new ChannelUID(getThing().getUID(), CHANNEL_IRIS_MODE),
 504                     model.getIrisModeStateOptions());
 505             stateDescriptionProvider.setStateOptions(new ChannelUID(getThing().getUID(), CHANNEL_IRIS_SENSITIVITY),
 506                     model.getIrisSensitivityStateOptions());
 507             stateDescriptionProvider.setStateOptions(new ChannelUID(getThing().getUID(), CHANNEL_LAMP_CONTROL),
 508                     model.getLampControlStateOptions());
 509             stateDescriptionProvider.setStateOptions(new ChannelUID(getThing().getUID(), CHANNEL_FILM_PROJECTION),
 510                     model.getFilmProjectionStateOptions());
 511             stateDescriptionProvider.setStateOptions(new ChannelUID(getThing().getUID(), CHANNEL_MOTION_ENHANCER),
 512                     model.getMotionEnhancerStateOptions());
 513             stateDescriptionProvider.setStateOptions(new ChannelUID(getThing().getUID(), CHANNEL_CONTRAST_ENHANCER),
 514                     model.getContrastEnhancerStateOptions());
 515             stateDescriptionProvider.setStateOptions(new ChannelUID(getThing().getUID(), CHANNEL_FILM_MODE),
 516                     model.getFilmModeStateOptions());
 517             stateDescriptionProvider.setStateOptions(new ChannelUID(getThing().getUID(), CHANNEL_GAMMA_CORRECTION),
 518                     model.getGammaCorrectionStateOptions());
 519             stateDescriptionProvider.setStateOptions(new ChannelUID(getThing().getUID(), CHANNEL_COLOR_SPACE),
 520                     model.getColorSpaceStateOptions());
 521             stateDescriptionProvider.setStateOptions(new ChannelUID(getThing().getUID(), CHANNEL_NR),
 522                     model.getNrStateOptions());
 523             stateDescriptionProvider.setStateOptions(new ChannelUID(getThing().getUID(), CHANNEL_BLOCK_NR),
 524                     model.getBlockNrStateOptions());
 525             stateDescriptionProvider.setStateOptions(new ChannelUID(getThing().getUID(), CHANNEL_MOSQUITO_NR),
 526                     model.getMosquitoNrStateOptions());
 527             stateDescriptionProvider.setStateOptions(new ChannelUID(getThing().getUID(), CHANNEL_MPEG_NR),
 528                     model.getMpegNrStateOptions());
 529             stateDescriptionProvider.setStateOptions(new ChannelUID(getThing().getUID(), CHANNEL_ASPECT),
 530                     model.getAspectStateOptions());
 531             stateDescriptionProvider.setStateOptions(new ChannelUID(getThing().getUID(), CHANNEL_PICTURE_POSITION),
 532                     model.getPicturePositionStateOptions());
 533             commandDescriptionProvider.setCommandOptions(new ChannelUID(getThing().getUID(), CHANNEL_IR_COMMAND),
 534                     SonyProjectorItem.getIRCommandOptions(model.getInputCommandOptions(),
 535                             model.getCalibrPresetCommandOptions(), model.getAspectCommandOptions()));
 536         }
 537         return model;
 538     }
 539
 540     private boolean refreshPowerState() {
 541         boolean on = false;
 542         State state = UnDefType.UNDEF;
 543         try {
 544             SonyProjectorStatusPower value = connector.getStatusPower();
 545             logger.debug("Get Status Power returned {}", value);
 546             on = value.isOn();
 547             state = new StringType(value.name());
 548         } catch (SonyProjectorException e) {
 549             logger.debug("Get Status Power failed: {}", e.getMessage());
 550         }
 551         updateChannelStateAndCache(CHANNEL_POWER, on ? OnOffType.ON : OnOffType.OFF);
 552         updateChannelStateAndCache(CHANNEL_POWERSTATE, state);
 553         return on;
 554     }
 555
 556     private @Nullable State requestProjectorValue(String channel, boolean requestValue) {
 557         State state = null;
 558         boolean precond;
 559         switch (channel) {
 560             case CHANNEL_POWER:
 561             case CHANNEL_POWERSTATE:
 562             case CHANNEL_INPUT:
 563             case CHANNEL_CALIBRATION_PRESET:
 564             case CHANNEL_CONTRAST:
 565             case CHANNEL_BRIGHTNESS:
 566             case CHANNEL_COLOR:
 567             case CHANNEL_HUE:
 568             case CHANNEL_SHARPNESS:
 569             case CHANNEL_COLOR_TEMP:
 570             case CHANNEL_CONTRAST_ENHANCER:
 571             case CHANNEL_GAMMA_CORRECTION:
 572             case CHANNEL_COLOR_SPACE:
 573             case CHANNEL_NR:
 574             case CHANNEL_PICTURE_MUTING:
 575             case CHANNEL_ASPECT:
 576                 precond = true;
 577                 break;
 578             case CHANNEL_IRIS_MODE:
 579                 precond = projectorModel.isIrisModeAvailable();
 580                 break;
 581             case CHANNEL_IRIS_MANUAL:
 582                 precond = projectorModel.isIrisManualAvailable();
 583                 break;
 584             case CHANNEL_IRIS_SENSITIVITY:
 585                 precond = projectorModel.isIrisSensitivityAvailable();
 586                 break;
 587             case CHANNEL_LAMP_CONTROL:
 588                 precond = projectorModel.isLampControlAvailable();
 589                 break;
 590             case CHANNEL_FILM_PROJECTION:
 591                 precond = projectorModel.isFilmProjectionAvailable();
 592                 break;
 593             case CHANNEL_MOTION_ENHANCER:
 594                 precond = projectorModel.isMotionEnhancerAvailable();
 595                 break;
 596             case CHANNEL_FILM_MODE:
 597                 precond = projectorModel.isFilmModeAvailable();
 598                 break;
 599             case CHANNEL_BLOCK_NR:
 600                 precond = projectorModel.isBlockNrAvailable();
 601                 break;
 602             case CHANNEL_MOSQUITO_NR:
 603                 precond = projectorModel.isMosquitoNrAvailable();
 604                 break;
 605             case CHANNEL_MPEG_NR:
 606                 precond = projectorModel.isMpegNrAvailable();
 607                 break;
 608             case CHANNEL_XVCOLOR:
 609                 precond = projectorModel.isXvColorAvailable();
 610                 break;
 611             case CHANNEL_OVERSCAN:
 612                 precond = projectorModel.isOverscanAvailable();
 613                 break;
 614             case CHANNEL_PICTURE_POSITION:
 615                 precond = projectorModel.isPicturePositionAvailable();
 616                 break;
 617             case CHANNEL_LAMP_USE_TIME:
 618                 precond = requestValue;
 619                 break;
 620             default:
 621                 precond = false;
 622                 break;
 623         }
 624         if (isLinked(channel) && precond) {
 625             state = UnDefType.UNDEF;
 626             if (requestValue) {
 627                 try {
 628                     switch (channel) {
 629                         case CHANNEL_POWER:
 630                             state = connector.getStatusPower().isOn() ? OnOffType.ON : OnOffType.OFF;
 631                             break;
 632                         case CHANNEL_POWERSTATE:
 633                             state = new StringType(connector.getStatusPower().name());
 634                             break;
 635                         case CHANNEL_INPUT:
 636                             state = new StringType(connector.getInput());
 637                             break;
 638                         case CHANNEL_CALIBRATION_PRESET:
 639                             state = new StringType(connector.getCalibrationPreset());
 640                             break;
 641                         case CHANNEL_CONTRAST:
 642                             state = new PercentType(connector.getContrast());
 643                             break;
 644                         case CHANNEL_BRIGHTNESS:
 645                             state = new PercentType(connector.getBrightness());
 646                             break;
 647                         case CHANNEL_COLOR:
 648                             state = new PercentType(connector.getColor());
 649                             break;
 650                         case CHANNEL_HUE:
 651                             state = new PercentType(connector.getHue());
 652                             break;
 653                         case CHANNEL_SHARPNESS:
 654                             state = new PercentType(connector.getSharpness());
 655                             break;
 656                         case CHANNEL_COLOR_TEMP:
 657                             state = new StringType(connector.getColorTemperature());
 658                             break;
 659                         case CHANNEL_IRIS_MODE:
 660                             state = new StringType(connector.getIrisMode());
 661                             break;
 662                         case CHANNEL_IRIS_MANUAL:
 663                             state = new PercentType(connector.getIrisManual());
 664                             break;
 665                         case CHANNEL_IRIS_SENSITIVITY:
 666                             state = new StringType(connector.getIrisSensitivity());
 667                             break;
 668                         case CHANNEL_LAMP_CONTROL:
 669                             state = new StringType(connector.getLampControl());
 670                             break;
 671                         case CHANNEL_FILM_PROJECTION:
 672                             state = new StringType(connector.getFilmProjection());
 673                             break;
 674                         case CHANNEL_MOTION_ENHANCER:
 675                             state = new StringType(connector.getMotionEnhancer());
 676                             break;
 677                         case CHANNEL_CONTRAST_ENHANCER:
 678                             state = new StringType(connector.getContrastEnhancer());
 679                             break;
 680                         case CHANNEL_FILM_MODE:
 681                             state = new StringType(connector.getFilmMode());
 682                             break;
 683                         case CHANNEL_GAMMA_CORRECTION:
 684                             state = new StringType(connector.getGammaCorrection());
 685                             break;
 686                         case CHANNEL_COLOR_SPACE:
 687                             state = new StringType(connector.getColorSpace());
 688                             break;
 689                         case CHANNEL_NR:
 690                             state = new StringType(connector.getNr());
 691                             break;
 692                         case CHANNEL_BLOCK_NR:
 693                             state = new StringType(connector.getBlockNr());
 694                             break;
 695                         case CHANNEL_MOSQUITO_NR:
 696                             state = new StringType(connector.getMosquitoNr());
 697                             break;
 698                         case CHANNEL_MPEG_NR:
 699                             state = new StringType(connector.getMpegNr());
 700                             break;
 701                         case CHANNEL_XVCOLOR:
 702                             state = connector.getXvColor();
 703                             break;
 704                         case CHANNEL_PICTURE_MUTING:
 705                             state = connector.getPictureMuting();
 706                             break;
 707                         case CHANNEL_ASPECT:
 708                             state = new StringType(connector.getAspect());
 709                             break;
 710                         case CHANNEL_OVERSCAN:
 711                             state = connector.getOverscan();
 712                             break;
 713                         case CHANNEL_PICTURE_POSITION:
 714                             state = new StringType(connector.getPicturePosition());
 715                             break;
 716                         case CHANNEL_LAMP_USE_TIME:
 717                             state = new DecimalType(connector.getLampUseTime());
 718                             break;
 719                         default:
 720                             break;
 721                     }
 722                     logger.debug("Refresh channel {} with value {}", channel, state);
 723                 } catch (SonyProjectorException e) {
 724                     logger.debug("Refresh channel {} failed: {}", channel, e.getMessage());
 725                 }
 726             }
 727         }
 728         return state;
 729     }
 730
 731     private void refreshChannel(String channel, boolean requestValue) {
 732         updateChannelStateAndCache(channel, requestProjectorValue(channel, requestValue));
 733     }
 734
 735     private void updateChannelStateAndCache(String channel, @Nullable State state) {
 736         if (state != null) {
 737             updateState(channel, state);
 738
 739             if (!cache.containsKey(channel)) {
 740                 cache.put(channel, () -> {
 741                     synchronized (commandLock) {
 742                         return requestProjectorValue(channel, true);
 743                     }
 744                 });
 745             }
 746             cache.putValue(channel, state);
 747         }
 748     }
 749 }