git.basschouten.com Git - openhab-addons.git/blob

   1 /**
   2  * Copyright (c) 2010-2021 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.bosesoundtouch.internal;
  14
  15 import static org.openhab.binding.bosesoundtouch.internal.BoseSoundTouchBindingConstants.*;
  16 import static org.openhab.core.thing.Thing.PROPERTY_FIRMWARE_VERSION;
  17 import static org.openhab.core.thing.Thing.PROPERTY_HARDWARE_VERSION;
  18 import static org.openhab.core.thing.Thing.PROPERTY_MODEL_ID;
  19
  20 import java.util.HashMap;
  21 import java.util.Map;
  22 import java.util.Objects;
  23 import java.util.Stack;
  24
  25 import org.openhab.binding.bosesoundtouch.internal.handler.BoseSoundTouchHandler;
  26 import org.openhab.core.io.net.http.HttpUtil;
  27 import org.openhab.core.library.types.DecimalType;
  28 import org.openhab.core.library.types.OnOffType;
  29 import org.openhab.core.library.types.PercentType;
  30 import org.openhab.core.library.types.PlayPauseType;
  31 import org.openhab.core.library.types.RawType;
  32 import org.openhab.core.library.types.StringType;
  33 import org.openhab.core.types.State;
  34 import org.openhab.core.types.UnDefType;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37 import org.xml.sax.Attributes;
  38 import org.xml.sax.SAXException;
  39 import org.xml.sax.helpers.DefaultHandler;
  40
  41 /**
  42  * The {@link XMLResponseHandler} class handles the XML communication with the Soundtouch
  43  *
  44  * @author Christian Niessner - Initial contribution
  45  * @author Thomas Traunbauer - Initial contribution
  46  * @author Kai Kreuzer - code clean up
  47  */
  48 public class XMLResponseHandler extends DefaultHandler {
  49
  50     private final Logger logger = LoggerFactory.getLogger(XMLResponseHandler.class);
  51
  52     private BoseSoundTouchHandler handler;
  53     private CommandExecutor commandExecutor;
  54
  55     private Map<XMLHandlerState, Map<String, XMLHandlerState>> stateSwitchingMap;
  56
  57     private Stack<XMLHandlerState> states;
  58     private XMLHandlerState state;
  59     private boolean msgHeaderWasValid;
  60
  61     private ContentItem contentItem;
  62     private boolean volumeMuteEnabled;
  63     private OnOffType rateEnabled;
  64     private OnOffType skipEnabled;
  65     private OnOffType skipPreviousEnabled;
  66
  67     private State nowPlayingSource;
  68
  69     private BoseSoundTouchConfiguration masterDeviceId;
  70     String deviceId;
  71
  72     private Map<Integer, ContentItem> playerPresets;
  73
  74     /**
  75      * Creates a new instance of this class
  76      *
  77      * @param handler
  78      * @param stateSwitchingMap the stateSwitchingMap is the XMLState Map, that says which Flags are computed
  79      */
  80     public XMLResponseHandler(BoseSoundTouchHandler handler,
  81             Map<XMLHandlerState, Map<String, XMLHandlerState>> stateSwitchingMap) {
  82         this.handler = handler;
  83         this.commandExecutor = handler.getCommandExecutor();
  84         this.stateSwitchingMap = stateSwitchingMap;
  85         init();
  86     }
  87
  88     @Override
  89     public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
  90         super.startElement(uri, localName, qName, attributes);
  91         logger.trace("{}: startElement('{}'; state: {})", handler.getDeviceName(), localName, state);
  92         states.push(state);
  93         XMLHandlerState curState = state; // save for switch statement
  94         Map<String, XMLHandlerState> stateMap = stateSwitchingMap.get(state);
  95         state = XMLHandlerState.Unprocessed; // set default value; we avoid default in select to have the compiler
  96                                              // showing a
  97         // warning for unhandled states
  98         switch (curState) {
  99             case INIT:
 100                 if ("updates".equals(localName)) {
 101                     // it just seems to be a ping - havn't seen any data on it..
 102                     if (checkDeviceId(localName, attributes, false)) {
 103                         state = XMLHandlerState.Updates;
 104                     } else {
 105                         state = XMLHandlerState.Unprocessed;
 106                     }
 107                 } else {
 108                     state = stateMap.get(localName);
 109                     if (state == null) {
 110                         if (logger.isDebugEnabled()) {
 111                             logger.warn("{}: Unhandled XML entity during {}: '{}", handler.getDeviceName(), curState,
 112                                     localName);
 113                         }
 114                         state = XMLHandlerState.Unprocessed;
 115                     }
 116                 }
 117                 break;
 118             case Msg:
 119                 if ("header".equals(localName)) {
 120                     // message
 121                     if (checkDeviceId(localName, attributes, false)) {
 122                         state = XMLHandlerState.MsgHeader;
 123                         msgHeaderWasValid = true;
 124                     } else {
 125                         state = XMLHandlerState.Unprocessed;
 126                     }
 127                 } else if ("body".equals(localName)) {
 128                     if (msgHeaderWasValid) {
 129                         state = XMLHandlerState.MsgBody;
 130                     } else {
 131                         state = XMLHandlerState.Unprocessed;
 132                     }
 133                 } else {
 134                     if (logger.isDebugEnabled()) {
 135                         logger.warn("{}: Unhandled XML entity during {}: '{}'", handler.getDeviceName(), curState,
 136                                 localName);
 137                     }
 138                     state = XMLHandlerState.Unprocessed;
 139                 }
 140                 break;
 141             case MsgHeader:
 142                 if ("request".equals(localName)) {
 143                     state = XMLHandlerState.Unprocessed; // TODO implement request id / response tracking...
 144                 } else {
 145                     if (logger.isDebugEnabled()) {
 146                         logger.warn("{}: Unhandled XML entity during {}: '{}'", handler.getDeviceName(), curState,
 147                                 localName);
 148                     }
 149                     state = XMLHandlerState.Unprocessed;
 150                 }
 151                 break;
 152             case MsgBody:
 153                 if ("nowPlaying".equals(localName)) {
 154                     /*
 155                      * if (!checkDeviceId(localName, attributes, true)) {
 156                      * state = XMLHandlerState.Unprocessed;
 157                      * break;
 158                      * }
 159                      */
 160                     rateEnabled = OnOffType.OFF;
 161                     skipEnabled = OnOffType.OFF;
 162                     skipPreviousEnabled = OnOffType.OFF;
 163                     state = XMLHandlerState.NowPlaying;
 164                     String source = attributes.getValue("source");
 165                     if (nowPlayingSource == null || !nowPlayingSource.toString().equals(source)) {
 166                         // source changed
 167                         nowPlayingSource = new StringType(source);
 168                         // reset enabled states
 169                         updateRateEnabled(OnOffType.OFF);
 170                         updateSkipEnabled(OnOffType.OFF);
 171                         updateSkipPreviousEnabled(OnOffType.OFF);
 172
 173                         // clear all "nowPlaying" details on source change...
 174                         updateNowPlayingAlbum(UnDefType.NULL);
 175                         updateNowPlayingArtwork(UnDefType.NULL);
 176                         updateNowPlayingArtist(UnDefType.NULL);
 177                         updateNowPlayingDescription(UnDefType.NULL);
 178                         updateNowPlayingGenre(UnDefType.NULL);
 179                         updateNowPlayingItemName(UnDefType.NULL);
 180                         updateNowPlayingStationLocation(UnDefType.NULL);
 181                         updateNowPlayingStationName(UnDefType.NULL);
 182                         updateNowPlayingTrack(UnDefType.NULL);
 183                     }
 184                 } else if ("zone".equals(localName)) {
 185                     state = XMLHandlerState.Zone;
 186                 } else if ("presets".equals(localName)) {
 187                     // reset the current playerPrests
 188                     playerPresets = new HashMap<>();
 189                     for (int i = 1; i <= 6; i++) {
 190                         playerPresets.put(i, null);
 191                     }
 192                     state = XMLHandlerState.Presets;
 193                 } else if ("group".equals(localName)) {
 194                     this.masterDeviceId = new BoseSoundTouchConfiguration();
 195                     state = stateMap.get(localName);
 196                 } else {
 197                     state = stateMap.get(localName);
 198                     if (state == null) {
 199                         if (logger.isDebugEnabled()) {
 200                             logger.warn("{}: Unhandled XML entity during {}: '{}", handler.getDeviceName(), curState,
 201                                     localName);
 202                         }
 203                         state = XMLHandlerState.Unprocessed;
 204                     } else if (state != XMLHandlerState.Volume && state != XMLHandlerState.Presets
 205                             && state != XMLHandlerState.Group && state != XMLHandlerState.Unprocessed) {
 206                         if (!checkDeviceId(localName, attributes, false)) {
 207                             state = XMLHandlerState.Unprocessed;
 208                             break;
 209                         }
 210                     }
 211                 }
 212                 break;
 213             case Presets:
 214                 if ("preset".equals(localName)) {
 215                     state = XMLHandlerState.Preset;
 216                     String id = attributes.getValue("id");
 217                     if (contentItem == null) {
 218                         contentItem = new ContentItem();
 219                     }
 220                     contentItem.setPresetID(Integer.parseInt(id));
 221                 } else {
 222                     if (logger.isDebugEnabled()) {
 223                         logger.warn("{}: Unhandled XML entity during {}: '{}'", handler.getDeviceName(), curState,
 224                                 localName);
 225                     }
 226                     state = XMLHandlerState.Unprocessed;
 227                 }
 228                 break;
 229             case Sources:
 230                 if ("sourceItem".equals(localName)) {
 231                     state = XMLHandlerState.Unprocessed;
 232                     String source = attributes.getValue("source");
 233                     String sourceAccount = attributes.getValue("sourceAccount");
 234                     String status = attributes.getValue("status");
 235                     if (status.equals("READY")) {
 236                         if (source.equals("AUX")) {
 237                             if (sourceAccount.equals("AUX")) {
 238                                 commandExecutor.setAUXAvailable(true);
 239                             }
 240                             if (sourceAccount.equals("AUX1")) {
 241                                 commandExecutor.setAUX1Available(true);
 242                             }
 243                             if (sourceAccount.equals("AUX2")) {
 244                                 commandExecutor.setAUX2Available(true);
 245                             }
 246                             if (sourceAccount.equals("AUX3")) {
 247                                 commandExecutor.setAUX3Available(true);
 248                             }
 249                         }
 250                         if (source.equals("STORED_MUSIC")) {
 251                             commandExecutor.setStoredMusicAvailable(true);
 252                         }
 253                         if (source.equals("INTERNET_RADIO")) {
 254                             commandExecutor.setInternetRadioAvailable(true);
 255                         }
 256                         if (source.equals("BLUETOOTH")) {
 257                             commandExecutor.setBluetoothAvailable(true);
 258                         }
 259                         if (source.equals("PRODUCT")) {
 260                             if (sourceAccount.equals("TV")) {
 261                                 commandExecutor.setTVAvailable(true);
 262                             }
 263                             if (sourceAccount.equals("HDMI_1")) {
 264                                 commandExecutor.setHDMI1Available(true);
 265                             }
 266                         }
 267                     }
 268                 } else {
 269                     if (logger.isDebugEnabled()) {
 270                         logger.warn("{}: Unhandled XML entity during {}: '{}'", handler.getDeviceName(), curState,
 271                                 localName);
 272                     }
 273                     state = XMLHandlerState.Unprocessed;
 274                 }
 275                 break;
 276             // auto go trough the state map
 277             case Group:
 278             case Zone:
 279             case Bass:
 280             case ContentItem:
 281             case MasterDeviceId:
 282             case GroupName:
 283             case DeviceId:
 284             case DeviceIp:
 285             case Info:
 286             case NowPlaying:
 287             case Preset:
 288             case Updates:
 289             case Volume:
 290             case Components:
 291             case Component:
 292                 state = nextState(stateMap, curState, localName);
 293                 break;
 294             case BassCapabilities:
 295                 state = nextState(stateMap, curState, localName);
 296                 break;
 297             // all entities without any children expected..
 298             case BassTarget:
 299             case BassActual:
 300             case BassUpdated:
 301             case BassMin:
 302             case BassMax:
 303             case BassDefault:
 304             case ContentItemItemName:
 305             case ContentItemContainerArt:
 306             case InfoName:
 307             case InfoType:
 308             case InfoFirmwareVersion:
 309             case InfoModuleType:
 310             case NowPlayingAlbum:
 311             case NowPlayingArt:
 312             case NowPlayingArtist:
 313             case NowPlayingGenre:
 314             case NowPlayingDescription:
 315             case NowPlayingPlayStatus:
 316             case NowPlayingRateEnabled:
 317             case NowPlayingSkipEnabled:
 318             case NowPlayingSkipPreviousEnabled:
 319             case NowPlayingStationLocation:
 320             case NowPlayingStationName:
 321             case NowPlayingTrack:
 322             case VolumeTarget:
 323             case VolumeActual:
 324             case VolumeUpdated:
 325             case VolumeMuteEnabled:
 326             case ZoneMember:
 327             case ZoneUpdated: // currently this dosn't provide any zone details..
 328                 if (logger.isDebugEnabled()) {
 329                     logger.warn("{}: Unhandled XML entity during {}: '{}'", handler.getDeviceName(), curState,
 330                             localName);
 331                 }
 332                 state = XMLHandlerState.Unprocessed;
 333                 break;
 334             case BassAvailable:
 335                 if (logger.isDebugEnabled()) {
 336                     logger.warn("{}: Unhandled XML entity during {}: '{}'", handler.getDeviceName(), curState,
 337                             localName);
 338                 }
 339                 state = XMLHandlerState.Unprocessed;
 340                 break;
 341             case Unprocessed:
 342                 // all further things are also unprocessed
 343                 state = XMLHandlerState.Unprocessed;
 344                 break;
 345             case UnprocessedNoTextExpected:
 346                 state = XMLHandlerState.UnprocessedNoTextExpected;
 347                 break;
 348         }
 349         if (state == XMLHandlerState.ContentItem) {
 350             if (contentItem == null) {
 351                 contentItem = new ContentItem();
 352             }
 353             contentItem.setSource(attributes.getValue("source"));
 354             contentItem.setSourceAccount(attributes.getValue("sourceAccount"));
 355             contentItem.setLocation(attributes.getValue("location"));
 356             contentItem.setPresetable(Boolean.parseBoolean(attributes.getValue("isPresetable")));
 357             for (int attrId = 0; attrId < attributes.getLength(); attrId++) {
 358                 String attrName = attributes.getLocalName(attrId);
 359                 if ("source".equalsIgnoreCase(attrName)) {
 360                     continue;
 361                 }
 362                 if ("location".equalsIgnoreCase(attrName)) {
 363                     continue;
 364                 }
 365                 if ("sourceAccount".equalsIgnoreCase(attrName)) {
 366                     continue;
 367                 }
 368                 if ("isPresetable".equalsIgnoreCase(attrName)) {
 369                     continue;
 370                 }
 371                 contentItem.setAdditionalAttribute(attrName, attributes.getValue(attrId));
 372             }
 373         }
 374     }
 375
 376     @Override
 377     public void endElement(String uri, String localName, String qName) throws SAXException {
 378         super.endElement(uri, localName, qName);
 379         logger.trace("{}: endElement('{}')", handler.getDeviceName(), localName);
 380         final XMLHandlerState prevState = state;
 381         state = states.pop();
 382         switch (prevState) {
 383             case Info:
 384                 commandExecutor.getInformations(APIRequest.VOLUME);
 385                 commandExecutor.getInformations(APIRequest.PRESETS);
 386                 commandExecutor.getInformations(APIRequest.NOW_PLAYING);
 387                 commandExecutor.getInformations(APIRequest.GET_ZONE);
 388                 commandExecutor.getInformations(APIRequest.BASS);
 389                 commandExecutor.getInformations(APIRequest.SOURCES);
 390                 commandExecutor.getInformations(APIRequest.BASSCAPABILITIES);
 391                 commandExecutor.getInformations(APIRequest.GET_GROUP);
 392                 break;
 393             case ContentItem:
 394                 if (state == XMLHandlerState.NowPlaying) {
 395                     // update now playing name...
 396                     updateNowPlayingItemName(new StringType(contentItem.getItemName()));
 397                     commandExecutor.setCurrentContentItem(contentItem);
 398                 }
 399                 break;
 400             case Preset:
 401                 if (state == XMLHandlerState.Presets) {
 402                     playerPresets.put(contentItem.getPresetID(), contentItem);
 403                     contentItem = null;
 404                 }
 405                 break;
 406             case NowPlaying:
 407                 if (state == XMLHandlerState.MsgBody) {
 408                     updateRateEnabled(rateEnabled);
 409                     updateSkipEnabled(skipEnabled);
 410                     updateSkipPreviousEnabled(skipPreviousEnabled);
 411                 }
 412                 break;
 413             // handle special tags..
 414             case BassUpdated:
 415                 // request current bass level
 416                 commandExecutor.getInformations(APIRequest.BASS);
 417                 break;
 418             case VolumeUpdated:
 419                 commandExecutor.getInformations(APIRequest.VOLUME);
 420                 break;
 421             case NowPlayingRateEnabled:
 422                 rateEnabled = OnOffType.ON;
 423                 break;
 424             case NowPlayingSkipEnabled:
 425                 skipEnabled = OnOffType.ON;
 426                 break;
 427             case NowPlayingSkipPreviousEnabled:
 428                 skipPreviousEnabled = OnOffType.ON;
 429                 break;
 430             case Volume:
 431                 OnOffType muted = volumeMuteEnabled ? OnOffType.ON : OnOffType.OFF;
 432                 commandExecutor.setCurrentMuted(volumeMuteEnabled);
 433                 commandExecutor.postVolumeMuted(muted);
 434                 break;
 435             case ZoneUpdated:
 436                 commandExecutor.getInformations(APIRequest.GET_ZONE);
 437                 break;
 438             case Presets:
 439                 commandExecutor.updatePresetContainerFromPlayer(playerPresets);
 440                 playerPresets = null;
 441                 break;
 442             case Group:
 443                 handler.handleGroupUpdated(masterDeviceId);
 444                 break;
 445             default:
 446                 // no actions...
 447                 break;
 448         }
 449     }
 450
 451     @Override
 452     public void characters(char[] ch, int start, int length) throws SAXException {
 453         logger.trace("{}: Text data during {}: '{}'", handler.getDeviceName(), state, new String(ch, start, length));
 454         super.characters(ch, start, length);
 455         switch (state) {
 456             case INIT:
 457             case Msg:
 458             case MsgHeader:
 459             case MsgBody:
 460             case Bass:
 461             case BassUpdated:
 462             case Updates:
 463             case Volume:
 464             case VolumeUpdated:
 465             case Info:
 466             case Preset:
 467             case Presets:
 468             case NowPlaying:
 469             case NowPlayingRateEnabled:
 470             case NowPlayingSkipEnabled:
 471             case NowPlayingSkipPreviousEnabled:
 472             case ContentItem:
 473             case UnprocessedNoTextExpected:
 474             case Zone:
 475             case ZoneUpdated:
 476             case Sources:
 477                 logger.debug("{}: Unexpected text data during {}: '{}'", handler.getDeviceName(), state,
 478                         new String(ch, start, length));
 479                 break;
 480             case BassMin: // @TODO - find out how to dynamically change "channel-type" bass configuration
 481             case BassMax: // based on these values...
 482             case BassDefault:
 483             case BassTarget:
 484             case VolumeTarget:
 485                 // this are currently unprocessed values.
 486                 break;
 487             case BassCapabilities:
 488                 logger.debug("{}: Unexpected text data during {}: '{}'", handler.getDeviceName(), state,
 489                         new String(ch, start, length));
 490                 break;
 491             case Unprocessed:
 492                 // drop quietly..
 493                 break;
 494             case BassActual:
 495                 commandExecutor.updateBassLevelGUIState(new DecimalType(new String(ch, start, length)));
 496                 break;
 497             case InfoName:
 498                 setConfigOption(DEVICE_INFO_NAME, new String(ch, start, length));
 499                 break;
 500             case InfoType:
 501                 setConfigOption(DEVICE_INFO_TYPE, new String(ch, start, length));
 502                 setConfigOption(PROPERTY_MODEL_ID, new String(ch, start, length));
 503                 break;
 504             case InfoModuleType:
 505                 setConfigOption(PROPERTY_HARDWARE_VERSION, new String(ch, start, length));
 506                 break;
 507             case InfoFirmwareVersion:
 508                 String[] fwVersion = new String(ch, start, length).split(" ");
 509                 setConfigOption(PROPERTY_FIRMWARE_VERSION, fwVersion[0]);
 510                 break;
 511             case BassAvailable:
 512                 boolean bassAvailable = Boolean.parseBoolean(new String(ch, start, length));
 513                 commandExecutor.setBassAvailable(bassAvailable);
 514                 break;
 515             case NowPlayingAlbum:
 516                 updateNowPlayingAlbum(new StringType(new String(ch, start, length)));
 517                 break;
 518             case NowPlayingArt:
 519                 String url = new String(ch, start, length);
 520                 if (url.startsWith("http")) {
 521                     // We download the cover art in a different thread to not delay the other operations
 522                     handler.getScheduler().submit(() -> {
 523                         RawType image = HttpUtil.downloadImage(url, true, 500000);
 524                         if (image != null) {
 525                             updateNowPlayingArtwork(image);
 526                         } else {
 527                             updateNowPlayingArtwork(UnDefType.UNDEF);
 528                         }
 529                     });
 530                 } else {
 531                     updateNowPlayingArtwork(UnDefType.UNDEF);
 532                 }
 533                 break;
 534             case NowPlayingArtist:
 535                 updateNowPlayingArtist(new StringType(new String(ch, start, length)));
 536                 break;
 537             case ContentItemItemName:
 538                 contentItem.setItemName(new String(ch, start, length));
 539                 break;
 540             case ContentItemContainerArt:
 541                 contentItem.setContainerArt(new String(ch, start, length));
 542                 break;
 543             case NowPlayingDescription:
 544                 updateNowPlayingDescription(new StringType(new String(ch, start, length)));
 545                 break;
 546             case NowPlayingGenre:
 547                 updateNowPlayingGenre(new StringType(new String(ch, start, length)));
 548                 break;
 549             case NowPlayingPlayStatus:
 550                 String playPauseState = new String(ch, start, length);
 551                 if ("PLAY_STATE".equals(playPauseState) || "BUFFERING_STATE".equals(playPauseState)) {
 552                     commandExecutor.updatePlayerControlGUIState(PlayPauseType.PLAY);
 553                 } else if ("STOP_STATE".equals(playPauseState) || "PAUSE_STATE".equals(playPauseState)) {
 554                     commandExecutor.updatePlayerControlGUIState(PlayPauseType.PAUSE);
 555                 }
 556                 break;
 557             case NowPlayingStationLocation:
 558                 updateNowPlayingStationLocation(new StringType(new String(ch, start, length)));
 559                 break;
 560             case NowPlayingStationName:
 561                 updateNowPlayingStationName(new StringType(new String(ch, start, length)));
 562                 break;
 563             case NowPlayingTrack:
 564                 updateNowPlayingTrack(new StringType(new String(ch, start, length)));
 565                 break;
 566             case VolumeActual:
 567                 commandExecutor.updateVolumeGUIState(new PercentType(Integer.parseInt(new String(ch, start, length))));
 568                 break;
 569             case VolumeMuteEnabled:
 570                 volumeMuteEnabled = Boolean.parseBoolean(new String(ch, start, length));
 571                 commandExecutor.setCurrentMuted(volumeMuteEnabled);
 572                 break;
 573             case MasterDeviceId:
 574                 if (masterDeviceId != null) {
 575                     masterDeviceId.macAddress = new String(ch, start, length);
 576                 }
 577                 break;
 578             case GroupName:
 579                 if (masterDeviceId != null) {
 580                     masterDeviceId.groupName = new String(ch, start, length);
 581                 }
 582                 break;
 583             case DeviceId:
 584                 deviceId = new String(ch, start, length);
 585                 break;
 586             case DeviceIp:
 587                 if (masterDeviceId != null && Objects.equals(masterDeviceId.macAddress, deviceId)) {
 588                     masterDeviceId.host = new String(ch, start, length);
 589                 }
 590                 break;
 591             default:
 592                 // do nothing
 593                 break;
 594         }
 595     }
 596
 597     @Override
 598     public void skippedEntity(String name) throws SAXException {
 599         super.skippedEntity(name);
 600     }
 601
 602     private boolean checkDeviceId(String localName, Attributes attributes, boolean allowFromMaster) {
 603         String deviceID = attributes.getValue("deviceID");
 604         if (deviceID == null) {
 605             logger.warn("{}: No device-ID in entity {}", handler.getDeviceName(), localName);
 606             return false;
 607         }
 608         if (deviceID.equals(handler.getMacAddress())) {
 609             return true;
 610         }
 611         logger.warn("{}: Wrong device-ID in entity '{}': Got: '{}', expected: '{}'", handler.getDeviceName(), localName,
 612                 deviceID, handler.getMacAddress());
 613         return false;
 614     }
 615
 616     private void init() {
 617         states = new Stack<>();
 618         state = XMLHandlerState.INIT;
 619         nowPlayingSource = null;
 620     }
 621
 622     private XMLHandlerState nextState(Map<String, XMLHandlerState> stateMap, XMLHandlerState curState,
 623             String localName) {
 624         XMLHandlerState state = stateMap.get(localName);
 625         if (state == null) {
 626             if (logger.isDebugEnabled()) {
 627                 logger.warn("{}: Unhandled XML entity during {}: '{}'", handler.getDeviceName(), curState, localName);
 628             }
 629             state = XMLHandlerState.Unprocessed;
 630         }
 631         return state;
 632     }
 633
 634     private void setConfigOption(String option, String value) {
 635         Map<String, String> prop = handler.getThing().getProperties();
 636         String cur = prop.get(option);
 637         if (cur == null || !cur.equals(value)) {
 638             logger.debug("{}: Option '{}' updated: From '{}' to '{}'", handler.getDeviceName(), option, cur, value);
 639             handler.getThing().setProperty(option, value);
 640         }
 641     }
 642
 643     private void updateNowPlayingAlbum(State state) {
 644         handler.updateState(CHANNEL_NOWPLAYING_ALBUM, state);
 645     }
 646
 647     private void updateNowPlayingArtwork(State state) {
 648         handler.updateState(CHANNEL_NOWPLAYING_ARTWORK, state);
 649     }
 650
 651     private void updateNowPlayingArtist(State state) {
 652         handler.updateState(CHANNEL_NOWPLAYING_ARTIST, state);
 653     }
 654
 655     private void updateNowPlayingDescription(State state) {
 656         handler.updateState(CHANNEL_NOWPLAYING_DESCRIPTION, state);
 657     }
 658
 659     private void updateNowPlayingGenre(State state) {
 660         handler.updateState(CHANNEL_NOWPLAYING_GENRE, state);
 661     }
 662
 663     private void updateNowPlayingItemName(State state) {
 664         handler.updateState(CHANNEL_NOWPLAYING_ITEMNAME, state);
 665     }
 666
 667     private void updateNowPlayingStationLocation(State state) {
 668         handler.updateState(CHANNEL_NOWPLAYING_STATIONLOCATION, state);
 669     }
 670
 671     private void updateNowPlayingStationName(State state) {
 672         handler.updateState(CHANNEL_NOWPLAYING_STATIONNAME, state);
 673     }
 674
 675     private void updateNowPlayingTrack(State state) {
 676         handler.updateState(CHANNEL_NOWPLAYING_TRACK, state);
 677     }
 678
 679     private void updateRateEnabled(OnOffType state) {
 680         handler.updateState(CHANNEL_RATEENABLED, state);
 681     }
 682
 683     private void updateSkipEnabled(OnOffType state) {
 684         handler.updateState(CHANNEL_SKIPENABLED, state);
 685     }
 686
 687     private void updateSkipPreviousEnabled(OnOffType state) {
 688         handler.updateState(CHANNEL_SKIPPREVIOUSENABLED, state);
 689     }
 690 }