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   1 /**
   2  * Copyright (c) 2010-2024 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.kaleidescape.internal.handler;
  14
  15 import static org.eclipse.jetty.http.HttpMethod.GET;
  16 import static org.eclipse.jetty.http.HttpStatus.OK_200;
  17 import static org.openhab.binding.kaleidescape.internal.KaleidescapeBindingConstants.*;
  18
  19 import java.math.BigDecimal;
  20 import java.util.concurrent.ExecutionException;
  21 import java.util.concurrent.TimeUnit;
  22 import java.util.concurrent.TimeoutException;
  23 import java.util.regex.Matcher;
  24 import java.util.regex.Pattern;
  25
  26 import org.eclipse.jdt.annotation.NonNullByDefault;
  27 import org.eclipse.jetty.client.api.ContentResponse;
  28 import org.openhab.binding.kaleidescape.internal.KaleidescapeBindingConstants;
  29 import org.openhab.binding.kaleidescape.internal.KaleidescapeException;
  30 import org.openhab.binding.kaleidescape.internal.communication.KaleidescapeFormatter;
  31 import org.openhab.binding.kaleidescape.internal.communication.KaleidescapeStatusCodes;
  32 import org.openhab.core.library.types.DecimalType;
  33 import org.openhab.core.library.types.OnOffType;
  34 import org.openhab.core.library.types.PercentType;
  35 import org.openhab.core.library.types.PlayPauseType;
  36 import org.openhab.core.library.types.QuantityType;
  37 import org.openhab.core.library.types.RawType;
  38 import org.openhab.core.library.types.StringType;
  39 import org.openhab.core.types.State;
  40 import org.openhab.core.types.UnDefType;
  41 import org.slf4j.Logger;
  42 import org.slf4j.LoggerFactory;
  43
  44 /**
  45  * The {@link KaleidescapeMessageHandler} class processes all messages received
  46  * by the event listener and then updates the appropriate states
  47  *
  48  * @author Michael Lobstein - Initial contribution
  49  */
  50 @NonNullByDefault
  51 public enum KaleidescapeMessageHandler {
  52     UI_STATE {
  53         @Override
  54         public void handleMessage(String message, KaleidescapeHandler handler) {
  55             handler.updateChannel(KaleidescapeBindingConstants.UI_STATE, new StringType(message));
  56         }
  57     },
  58     HIGHLIGHTED_SELECTION {
  59         private final Logger logger = LoggerFactory.getLogger(KaleidescapeMessageHandler.class);
  60
  61         @Override
  62         public void handleMessage(String message, KaleidescapeHandler handler) {
  63             handler.updateChannel(KaleidescapeBindingConstants.HIGHLIGHTED_SELECTION, new StringType(message));
  64
  65             if (handler.isLoadHighlightedDetails) {
  66                 try {
  67                     handler.connector.sendCommand(GET_CONTENT_DETAILS + message + ":");
  68                 } catch (KaleidescapeException e) {
  69                     logger.debug("GET_CONTENT_DETAILS - exception loading content details for handle: {}", message);
  70                 }
  71             }
  72         }
  73     },
  74     DEVICE_POWER_STATE {
  75         private final Logger logger = LoggerFactory.getLogger(KaleidescapeMessageHandler.class);
  76
  77         // example: 1:1
  78         // power_state, zone 1 state, zone n state
  79         private final Pattern p = Pattern.compile("^(\\d{1}):(.*)$");
  80
  81         @Override
  82         public void handleMessage(String message, KaleidescapeHandler handler) {
  83             Matcher matcher = p.matcher(message);
  84             if (matcher.find()) {
  85                 handler.updateChannel(POWER, OnOffType.from(ONE.equals(matcher.group(1))));
  86             } else {
  87                 logger.debug("DEVICE_POWER_STATE - no match on message: {}", message);
  88             }
  89         }
  90     },
  91     TITLE_NAME {
  92         @Override
  93         public void handleMessage(String message, KaleidescapeHandler handler) {
  94             handler.updateChannel(KaleidescapeBindingConstants.TITLE_NAME,
  95                     new StringType(KaleidescapeFormatter.formatString(message)));
  96         }
  97     },
  98     PLAY_STATUS {
  99         private final Logger logger = LoggerFactory.getLogger(KaleidescapeMessageHandler.class);
 100
 101         // example: 0:0:00:00000:00000:000:00000:00000
 102         // mode, speed, title_num, title_length, title_loc, chapter_num, chapter_length, chapter_loc
 103         private final Pattern p = Pattern
 104                 .compile("^(\\d{1}):(\\d{1}):(\\d{2}):(\\d{5}):(\\d{5}):(\\d{3}):(\\d{5}):(\\d{5})$");
 105
 106         @Override
 107         public void handleMessage(String message, KaleidescapeHandler handler) {
 108             Matcher matcher = p.matcher(message);
 109             if (matcher.find()) {
 110                 handler.updateChannel(PLAY_MODE,
 111                         new StringType(KaleidescapeStatusCodes.PLAY_MODE.get(matcher.group(1))));
 112
 113                 handler.updateChannel(CONTROL, "2".equals(matcher.group(1)) ? PlayPauseType.PLAY : PlayPauseType.PAUSE);
 114
 115                 handler.updateChannel(PLAY_SPEED, new StringType(matcher.group(2)));
 116
 117                 handler.updateChannel(TITLE_NUM, new DecimalType(Integer.parseInt(matcher.group(3))));
 118
 119                 handler.updateChannel(TITLE_LENGTH,
 120                         new QuantityType<>(Integer.parseInt(matcher.group(4)), handler.apiSecondUnit));
 121
 122                 handler.updateChannel(TITLE_LOC,
 123                         new QuantityType<>(Integer.parseInt(matcher.group(5)), handler.apiSecondUnit));
 124
 125                 handler.updateChannel(CHAPTER_NUM, new DecimalType(Integer.parseInt(matcher.group(6))));
 126
 127                 handler.updateChannel(CHAPTER_LENGTH,
 128                         new QuantityType<>(Integer.parseInt(matcher.group(7)), handler.apiSecondUnit));
 129
 130                 handler.updateChannel(CHAPTER_LOC,
 131                         new QuantityType<>(Integer.parseInt(matcher.group(8)), handler.apiSecondUnit));
 132             } else {
 133                 logger.debug("PLAY_STATUS - no match on message: {}", message);
 134             }
 135         }
 136     },
 137     MOVIE_MEDIA_TYPE {
 138         @Override
 139         public void handleMessage(String message, KaleidescapeHandler handler) {
 140             handler.updateChannel(KaleidescapeBindingConstants.MOVIE_MEDIA_TYPE,
 141                     new StringType(KaleidescapeStatusCodes.MEDIA_TYPE.get(message)));
 142         }
 143     },
 144     MOVIE_LOCATION {
 145         @Override
 146         public void handleMessage(String message, KaleidescapeHandler handler) {
 147             handler.updateChannel(KaleidescapeBindingConstants.MOVIE_LOCATION,
 148                     new StringType(KaleidescapeStatusCodes.MOVIE_LOCATION.get(message)));
 149         }
 150     },
 151     VIDEO_MODE {
 152         private final Logger logger = LoggerFactory.getLogger(KaleidescapeMessageHandler.class);
 153
 154         // example: 00:00:00
 155         // composite, component, hdmi
 156         private final Pattern p = Pattern.compile("^(\\d{2}):(\\d{2}):(\\d{2})$");
 157
 158         @Override
 159         public void handleMessage(String message, KaleidescapeHandler handler) {
 160             handler.updateChannel(KaleidescapeBindingConstants.VIDEO_MODE, new StringType(message));
 161
 162             Matcher matcher = p.matcher(message);
 163             if (matcher.find()) {
 164                 handler.updateChannel(VIDEO_MODE_COMPOSITE,
 165                         new StringType(KaleidescapeStatusCodes.VIDEO_MODE.get(matcher.group(1))));
 166
 167                 handler.updateChannel(VIDEO_MODE_COMPONENT,
 168                         new StringType(KaleidescapeStatusCodes.VIDEO_MODE.get(matcher.group(2))));
 169
 170                 handler.updateChannel(VIDEO_MODE_HDMI,
 171                         new StringType(KaleidescapeStatusCodes.VIDEO_MODE.get(matcher.group(3))));
 172             } else {
 173                 logger.debug("VIDEO_MODE - no match on message: {}", message);
 174             }
 175         }
 176     },
 177     VIDEO_COLOR {
 178         private final Logger logger = LoggerFactory.getLogger(KaleidescapeMessageHandler.class);
 179
 180         // example: 02:01:24:01
 181         // eotf, color_space, color_depth, color_sampling
 182         private final Pattern p = Pattern.compile("^(\\d{2}):(\\d{2}):(\\d{2}):(\\d{2})$");
 183
 184         @Override
 185         public void handleMessage(String message, KaleidescapeHandler handler) {
 186             handler.updateChannel(KaleidescapeBindingConstants.VIDEO_COLOR, new StringType(message));
 187
 188             Matcher matcher = p.matcher(message);
 189             if (matcher.find()) {
 190                 handler.updateChannel(VIDEO_COLOR_EOTF,
 191                         new StringType(KaleidescapeStatusCodes.EOTF.get(matcher.group(1))));
 192             } else {
 193                 logger.debug("VIDEO_COLOR - no match on message: {}", message);
 194             }
 195         }
 196     },
 197     CONTENT_COLOR {
 198         private final Logger logger = LoggerFactory.getLogger(KaleidescapeMessageHandler.class);
 199
 200         // example: 02:01:24:01
 201         // eotf, color_space, color_depth, color_sampling
 202         private final Pattern p = Pattern.compile("^(\\d{2}):(\\d{2}):(\\d{2}):(\\d{2})$");
 203
 204         @Override
 205         public void handleMessage(String message, KaleidescapeHandler handler) {
 206             handler.updateChannel(KaleidescapeBindingConstants.CONTENT_COLOR, new StringType(message));
 207
 208             Matcher matcher = p.matcher(message);
 209             if (matcher.find()) {
 210                 handler.updateChannel(CONTENT_COLOR_EOTF,
 211                         new StringType(KaleidescapeStatusCodes.EOTF.get(matcher.group(1))));
 212             } else {
 213                 logger.debug("CONTENT_COLOR - no match on message: {}", message);
 214             }
 215         }
 216     },
 217     SCALE_MODE {
 218         @Override
 219         public void handleMessage(String message, KaleidescapeHandler handler) {
 220             handler.updateChannel(KaleidescapeBindingConstants.SCALE_MODE, new StringType(message));
 221         }
 222     },
 223     SCREEN_MASK {
 224         @Override
 225         public void handleMessage(String message, KaleidescapeHandler handler) {
 226             handler.updateChannel(KaleidescapeBindingConstants.SCREEN_MASK, new StringType(message));
 227
 228             // per API reference rev 3.3.1, ASPECT_RATIO message should not be used
 229             // the first element of SCREEN_MASK now provides this info
 230             if (!message.equals(EMPTY)) {
 231                 String[] msgSplit = message.split(":", 2);
 232                 handler.updateChannel(KaleidescapeBindingConstants.ASPECT_RATIO,
 233                         new StringType(KaleidescapeStatusCodes.ASPECT_RATIO.get(msgSplit[0])));
 234             }
 235         }
 236     },
 237     SCREEN_MASK2 {
 238         @Override
 239         public void handleMessage(String message, KaleidescapeHandler handler) {
 240             handler.updateChannel(KaleidescapeBindingConstants.SCREEN_MASK2, new StringType(message));
 241         }
 242     },
 243     CINEMASCAPE_MASK {
 244         @Override
 245         public void handleMessage(String message, KaleidescapeHandler handler) {
 246             handler.updateChannel(KaleidescapeBindingConstants.CINEMASCAPE_MASK, new StringType(message));
 247         }
 248     },
 249     CINEMASCAPE_MODE {
 250         @Override
 251         public void handleMessage(String message, KaleidescapeHandler handler) {
 252             handler.updateChannel(KaleidescapeBindingConstants.CINEMASCAPE_MODE, new StringType(message));
 253         }
 254     },
 255     CHILD_MODE_STATE {
 256         @Override
 257         public void handleMessage(String message, KaleidescapeHandler handler) {
 258             handler.updateChannel(KaleidescapeBindingConstants.CHILD_MODE_STATE, new StringType(message));
 259         }
 260     },
 261     MUSIC_TITLE {
 262         private final Logger logger = LoggerFactory.getLogger(KaleidescapeMessageHandler.class);
 263
 264         // example: You:Radiohead:Pablo Honey:1.9b5f4d786d7e2c49-t301_577:1.R_1493833:2.200c5
 265         // track, artist, album, track handle, album handle, now playing handle
 266         private final Pattern p = Pattern.compile("^(.*):(.*):(.*):(.*):(.*):(.*)$");
 267
 268         @Override
 269         public void handleMessage(String message, KaleidescapeHandler handler) {
 270             // first replace delimited : in track/artist/album name with ||, fix it later in formatString()
 271             Matcher matcher = p.matcher(message.replace("\\:", "||"));
 272             if (matcher.find()) {
 273                 handler.updateChannel(MUSIC_TRACK,
 274                         new StringType(KaleidescapeFormatter.formatString(matcher.group(1))));
 275
 276                 handler.updateChannel(MUSIC_ARTIST,
 277                         new StringType(KaleidescapeFormatter.formatString(matcher.group(2))));
 278
 279                 handler.updateChannel(MUSIC_ALBUM,
 280                         new StringType(KaleidescapeFormatter.formatString(matcher.group(3))));
 281
 282                 handler.updateChannel(MUSIC_TRACK_HANDLE, new StringType(matcher.group(4)));
 283
 284                 handler.updateChannel(MUSIC_ALBUM_HANDLE, new StringType(matcher.group(5)));
 285
 286                 handler.updateChannel(MUSIC_NOWPLAY_HANDLE, new StringType(matcher.group(6)));
 287
 288                 if (handler.isLoadAlbumDetails) {
 289                     try {
 290                         handler.connector.sendCommand(GET_CONTENT_DETAILS + matcher.group(5) + ":");
 291                     } catch (KaleidescapeException e) {
 292                         logger.debug("GET_CONTENT_DETAILS - exception loading album details for handle: {}",
 293                                 matcher.group(5));
 294                     }
 295                 }
 296             } else {
 297                 logger.debug("MUSIC_TITLE - no match on message: {}", message);
 298             }
 299         }
 300     },
 301     MUSIC_PLAY_STATUS {
 302         private final Logger logger = LoggerFactory.getLogger(KaleidescapeMessageHandler.class);
 303
 304         // example: 2:0:00207:+00000:000.00
 305         // 2:0:00331:+00183:055.29
 306         // mode, speed, track length, track position, track progress %
 307         private final Pattern p = Pattern.compile("^(\\d{1}):(\\d{1}):(\\d{5}):(.\\d{5}):(\\d{3}\\.\\d{2})$");
 308
 309         @Override
 310         public void handleMessage(String message, KaleidescapeHandler handler) {
 311             Matcher matcher = p.matcher(message);
 312             if (matcher.find()) {
 313                 handler.updateChannel(MUSIC_PLAY_MODE,
 314                         new StringType(KaleidescapeStatusCodes.PLAY_MODE.get(matcher.group(1))));
 315
 316                 handler.updateChannel(MUSIC_CONTROL,
 317                         "2".equals(matcher.group(1)) ? PlayPauseType.PLAY : PlayPauseType.PAUSE);
 318
 319                 handler.updateChannel(MUSIC_PLAY_SPEED, new StringType(matcher.group(2)));
 320
 321                 handler.updateChannel(MUSIC_TRACK_LENGTH,
 322                         new QuantityType<>(Integer.parseInt(matcher.group(3)), handler.apiSecondUnit));
 323
 324                 handler.updateChannel(MUSIC_TRACK_POSITION,
 325                         new QuantityType<>(Integer.parseInt(matcher.group(4)), handler.apiSecondUnit));
 326
 327                 handler.updateChannel(MUSIC_TRACK_PROGRESS,
 328                         new DecimalType(BigDecimal.valueOf(Math.round(Double.parseDouble(matcher.group(5))))));
 329             } else {
 330                 logger.debug("MUSIC_PLAY_STATUS - no match on message: {}", message);
 331             }
 332         }
 333     },
 334     MUSIC_NOW_PLAYING_STATUS {
 335         private final Logger logger = LoggerFactory.getLogger(KaleidescapeMessageHandler.class);
 336
 337         // example: 00013:00000:0:0:0000000238:2.200c5
 338         // total # tracks in list, list index, repeat, random, generation, now_playing handle
 339         // only using repeat & random right now
 340         private final Pattern p = Pattern.compile("^(\\d{5}):(\\d{5}):(\\d{1}):(\\d{1}):(\\d{10}):(.*)$");
 341
 342         @Override
 343         public void handleMessage(String message, KaleidescapeHandler handler) {
 344             Matcher matcher = p.matcher(message);
 345             if (matcher.find()) {
 346                 // update REPEAT switch state
 347                 handler.updateChannel(MUSIC_REPEAT, OnOffType.from(ONE.equals(matcher.group(3))));
 348
 349                 // update RANDOM switch state
 350                 handler.updateChannel(MUSIC_RANDOM, OnOffType.from(ONE.equals(matcher.group(4))));
 351             } else {
 352                 logger.debug("MUSIC_NOW_PLAYING_STATUS - no match on message: {}", message);
 353             }
 354         }
 355     },
 356     PLAYING_MUSIC_INFORMATION {
 357         @Override
 358         public void handleMessage(String message, KaleidescapeHandler handler) {
 359             // example: R_1493833:Radiohead - Pablo Honey
 360             // album handle, artist - album
 361             // do nothing; redundant
 362         }
 363     },
 364     CONTENT_DETAILS {
 365         private final Logger logger = LoggerFactory.getLogger(KaleidescapeMessageHandler.class);
 366
 367         // g1=meta id, g2=meta type, g3=data
 368         // example: 6:Year:1995
 369         // or: 10:Genres:Pop\/Rock
 370         private final Pattern p = Pattern.compile("^(\\d{1,2}):([^:^/]*):(.*)$");
 371
 372         @Override
 373         public void handleMessage(String message, KaleidescapeHandler handler) {
 374             Matcher matcher = p.matcher(message);
 375             if (matcher.find()) {
 376                 String metaType = matcher.group(2).toLowerCase();
 377                 String value = KaleidescapeFormatter.formatString(matcher.group(3));
 378
 379                 // the CONTENT_DETAILS message with id=1 tells us what type of meta data is coming
 380                 if (ONE.equals(matcher.group(1))) {
 381                     if ((CONTENT_HANDLE).equals(metaType)) {
 382                         handler.updateDetailChannel(DETAIL_TYPE, new StringType(MOVIE));
 383                         handler.metaRuntimeMultiple = 60;
 384
 385                         // null out album specific
 386                         handler.updateDetailChannel(DETAIL_ALBUM_TITLE, UnDefType.NULL);
 387                         handler.updateDetailChannel(DETAIL_ARTIST, UnDefType.NULL);
 388                         handler.updateDetailChannel(DETAIL_REVIEW, UnDefType.NULL);
 389
 390                     } else if ((ALBUM_CONTENT_HANDLE).equals(metaType)) {
 391                         handler.updateDetailChannel(DETAIL_TYPE, new StringType(ALBUM));
 392                         handler.metaRuntimeMultiple = 1;
 393
 394                         // null out movie specific
 395                         handler.updateDetailChannel(DETAIL_TITLE, UnDefType.NULL);
 396                         handler.updateDetailChannel(DETAIL_RATING, UnDefType.NULL);
 397                         handler.updateDetailChannel(DETAIL_ACTORS, UnDefType.NULL);
 398                         handler.updateDetailChannel(DETAIL_DIRECTORS, UnDefType.NULL);
 399                         handler.updateDetailChannel(DETAIL_RATING_REASON, UnDefType.NULL);
 400                         handler.updateDetailChannel(DETAIL_SYNOPSIS, UnDefType.NULL);
 401                         handler.updateDetailChannel(DETAIL_COLOR_DESCRIPTION, UnDefType.NULL);
 402                         handler.updateDetailChannel(DETAIL_COUNTRY, UnDefType.NULL);
 403                         handler.updateDetailChannel(DETAIL_ASPECT_RATIO, UnDefType.NULL);
 404
 405                     } else {
 406                         handler.updateDetailChannel(DETAIL_TYPE, UnDefType.UNDEF);
 407                     }
 408                     // otherwise update the channel if it is one we care about
 409                 } else if (METADATA_CHANNELS.contains(metaType)) {
 410                     // special case for cover art image
 411                     if (DETAIL_COVER_URL.equals(metaType)) {
 412                         handler.updateDetailChannel(metaType, new StringType(value));
 413                         if (!value.isEmpty() && handler.isChannelLinked(DETAIL + DETAIL_COVER_ART)) {
 414                             try {
 415                                 ContentResponse contentResponse = handler.httpClient.newRequest(value).method(GET)
 416                                         .timeout(10, TimeUnit.SECONDS).send();
 417                                 int httpStatus = contentResponse.getStatus();
 418                                 if (httpStatus == OK_200) {
 419                                     handler.updateDetailChannel(DETAIL_COVER_ART,
 420                                             new RawType(contentResponse.getContent(), "image/jpeg"));
 421                                 } else {
 422                                     handler.updateDetailChannel(DETAIL_COVER_ART, UnDefType.NULL);
 423                                 }
 424                             } catch (InterruptedException | TimeoutException | ExecutionException e) {
 425                                 logger.debug("Error updating Cover Art Image channel for url: {}", value);
 426                                 handler.updateDetailChannel(DETAIL_COVER_ART, UnDefType.NULL);
 427                             }
 428                         } else {
 429                             handler.updateDetailChannel(DETAIL_COVER_ART, UnDefType.NULL);
 430                         }
 431                         // special case for running time to create a QuantityType<Time>
 432                     } else if (DETAIL_RUNNING_TIME.equals(metaType)) {
 433                         handler.updateDetailChannel(DETAIL_RUNNING_TIME, new QuantityType<>(
 434                                 Integer.parseInt(value) * handler.metaRuntimeMultiple, handler.apiSecondUnit));
 435                         // everything else just send it as a string
 436                     } else {
 437                         handler.updateDetailChannel(metaType, new StringType(value));
 438                     }
 439                 }
 440             } else {
 441                 logger.debug("CONTENT_DETAILS - no match on message: {}", message);
 442             }
 443         }
 444     },
 445     TIME {
 446         @Override
 447         public void handleMessage(String message, KaleidescapeHandler handler) {
 448             // do nothing
 449         }
 450     },
 451     STATUS_CUE_PERIOD {
 452         @Override
 453         public void handleMessage(String message, KaleidescapeHandler handler) {
 454             // do nothing
 455         }
 456     },
 457     ASPECT_RATIO {
 458         @Override
 459         public void handleMessage(String message, KaleidescapeHandler handler) {
 460             // per API reference rev 3.3.1, ASPECT_RATIO message should not be used
 461             // the first element of SCREEN_MASK now provides this info
 462         }
 463     },
 464     USER_DEFINED_EVENT {
 465         private final Logger logger = LoggerFactory.getLogger(KaleidescapeMessageHandler.class);
 466
 467         @Override
 468         public void handleMessage(String message, KaleidescapeHandler handler) {
 469             // example: SELECT_KALEIDESCAPE_INPUT
 470             try {
 471                 switch (message) {
 472                     // when the ipad or phone app is started up, it sends a VOLUME_QUERY,
 473                     // so we respond to enable volume controls and set the initial volume and mute
 474                     case "VOLUME_QUERY":
 475                         if (handler.volumeEnabled) {
 476                             synchronized (handler.sequenceLock) {
 477                                 handler.connector.sendCommand(SEND_EVENT_VOLUME_CAPABILITIES_15);
 478                                 handler.connector.sendCommand(SEND_EVENT_VOLUME_LEVEL_EQ + handler.volume);
 479                                 handler.connector.sendCommand(SEND_EVENT_MUTE + (handler.isMuted ? MUTE_ON : MUTE_OFF));
 480                             }
 481                         } else if (handler.volumeBasicEnabled) {
 482                             synchronized (handler.sequenceLock) {
 483                                 handler.connector.sendCommand(SEND_EVENT_VOLUME_CAPABILITIES_3);
 484                             }
 485                         }
 486                         break;
 487                     case "VOLUME_UP":
 488                         if (handler.volumeEnabled) {
 489                             synchronized (handler.sequenceLock) {
 490                                 handler.volume++;
 491                                 handler.updateChannel(VOLUME, new PercentType(BigDecimal.valueOf(handler.volume)));
 492                                 handler.connector.sendCommand(SEND_EVENT_VOLUME_LEVEL_EQ + handler.volume);
 493                             }
 494                         }
 495                         break;
 496                     case "VOLUME_DOWN":
 497                         if (handler.volumeEnabled) {
 498                             synchronized (handler.sequenceLock) {
 499                                 handler.volume--;
 500                                 handler.updateChannel(VOLUME, new PercentType(BigDecimal.valueOf(handler.volume)));
 501                                 handler.connector.sendCommand(SEND_EVENT_VOLUME_LEVEL_EQ + handler.volume);
 502                             }
 503                         }
 504                         break;
 505                     case "TOGGLE_MUTE":
 506                         if (handler.volumeEnabled) {
 507                             State state = UnDefType.UNDEF;
 508                             synchronized (handler.sequenceLock) {
 509                                 if (handler.isMuted) {
 510                                     state = OnOffType.OFF;
 511                                     handler.isMuted = false;
 512                                 } else {
 513                                     state = OnOffType.ON;
 514                                     handler.isMuted = true;
 515                                 }
 516                                 handler.connector.sendCommand(SEND_EVENT_MUTE + (handler.isMuted ? MUTE_ON : MUTE_OFF));
 517                                 handler.updateChannel(MUTE, state);
 518                             }
 519                         }
 520                         break;
 521                 }
 522                 handler.updateChannel(KaleidescapeBindingConstants.USER_DEFINED_EVENT, new StringType(message));
 523             } catch (KaleidescapeException e) {
 524                 logger.debug("USER_DEFINED_EVENT - exception on message: {}", message);
 525             }
 526         }
 527     },
 528     USER_INPUT {
 529         @Override
 530         public void handleMessage(String message, KaleidescapeHandler handler) {
 531             // example: 01:Search for title:ABC
 532             handler.updateChannel(KaleidescapeBindingConstants.USER_INPUT, new StringType(message));
 533         }
 534     },
 535     USER_INPUT_PROMPT {
 536         @Override
 537         public void handleMessage(String message, KaleidescapeHandler handler) {
 538             // example: 00:00::00:0:1
 539             handler.updateChannel(KaleidescapeBindingConstants.USER_INPUT, new StringType(message));
 540         }
 541     },
 542     SYSTEM_READINESS_STATE {
 543         @Override
 544         public void handleMessage(String message, KaleidescapeHandler handler) {
 545             // example 1, 2 or 3
 546             handler.updateChannel(KaleidescapeBindingConstants.SYSTEM_READINESS_STATE,
 547                     new StringType(KaleidescapeStatusCodes.READINESS_STATE.get(message)));
 548         }
 549     },
 550     SYSTEM_VERSION {
 551         private final Logger logger = LoggerFactory.getLogger(KaleidescapeMessageHandler.class);
 552
 553         // example: 16:8.6.0-21023
 554         // protocol version, kOS version
 555         private final Pattern p = Pattern.compile("^(\\d{2}):(.*)$");
 556
 557         @Override
 558         public void handleMessage(String message, KaleidescapeHandler handler) {
 559             Matcher matcher = p.matcher(message);
 560             if (matcher.find()) {
 561                 handler.updateThingProperty(PROPERTY_PROTOCOL_VERSION, matcher.group(1));
 562                 handler.updateThingProperty(PROPERTY_SYSTEM_VERSION, matcher.group(2));
 563             } else {
 564                 logger.debug("SYSTEM_VERSION - no match on message: {}", message);
 565             }
 566         }
 567     },
 568     DEVICE_INFO {
 569         private final Logger logger = LoggerFactory.getLogger(KaleidescapeMessageHandler.class);
 570
 571         // example: 07:000000000000558F:00:192.168.001.100
 572         // device type (deprecated), serial number, cpdid, ip address
 573         private final Pattern p = Pattern.compile("^(\\d{2}):(.*):(\\d{2}):(.*)$");
 574
 575         @Override
 576         public void handleMessage(String message, KaleidescapeHandler handler) {
 577             Matcher matcher = p.matcher(message);
 578             if (matcher.find()) {
 579                 // replaceFirst takes off leading zeros
 580                 handler.updateThingProperty(PROPERTY_SERIAL_NUMBER, matcher.group(2).replaceFirst("^0+(?!$)", EMPTY));
 581                 handler.updateThingProperty(PROPERTY_CONTROL_PROTOCOL_ID, matcher.group(3));
 582             } else {
 583                 logger.debug("DEVICE_INFO - no match on message: {}", message);
 584             }
 585         }
 586     },
 587     DEVICE_TYPE_NAME {
 588         @Override
 589         public void handleMessage(String message, KaleidescapeHandler handler) {
 590             // example: 'Player' or 'Strato'
 591             handler.updateThingProperty(PROPERTY_COMPONENT_TYPE, message);
 592         }
 593     },
 594     FRIENDLY_NAME {
 595         @Override
 596         public void handleMessage(String message, KaleidescapeHandler handler) {
 597             // example: 'Living Room'
 598             handler.friendlyName = message;
 599             handler.updateThingProperty(PROPERTY_FRIENDLY_NAME, message);
 600         }
 601     };
 602
 603     public abstract void handleMessage(String message, KaleidescapeHandler handler);
 604 }