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