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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.dscalarm.internal.handler;
  14
  15 import static org.openhab.binding.dscalarm.internal.DSCAlarmBindingConstants.*;
  16
  17 import java.math.BigDecimal;
  18 import java.text.SimpleDateFormat;
  19 import java.util.Date;
  20 import java.util.List;
  21 import java.util.concurrent.ScheduledFuture;
  22 import java.util.concurrent.TimeUnit;
  23
  24 import org.openhab.binding.dscalarm.internal.DSCAlarmCode;
  25 import org.openhab.binding.dscalarm.internal.DSCAlarmEvent;
  26 import org.openhab.binding.dscalarm.internal.DSCAlarmMessage;
  27 import org.openhab.binding.dscalarm.internal.DSCAlarmMessage.DSCAlarmMessageInfoType;
  28 import org.openhab.binding.dscalarm.internal.DSCAlarmMessage.DSCAlarmMessageType;
  29 import org.openhab.binding.dscalarm.internal.config.DSCAlarmPartitionConfiguration;
  30 import org.openhab.binding.dscalarm.internal.config.DSCAlarmZoneConfiguration;
  31 import org.openhab.binding.dscalarm.internal.discovery.DSCAlarmDiscoveryService;
  32 import org.openhab.core.config.core.Configuration;
  33 import org.openhab.core.library.types.OnOffType;
  34 import org.openhab.core.library.types.StringType;
  35 import org.openhab.core.thing.Bridge;
  36 import org.openhab.core.thing.ChannelUID;
  37 import org.openhab.core.thing.Thing;
  38 import org.openhab.core.thing.ThingStatus;
  39 import org.openhab.core.thing.binding.BaseBridgeHandler;
  40 import org.openhab.core.types.Command;
  41 import org.openhab.core.types.RefreshType;
  42 import org.slf4j.Logger;
  43 import org.slf4j.LoggerFactory;
  44
  45 /**
  46  * Abstract class for a DSC Alarm Bridge Handler.
  47  *
  48  * @author Russell Stephens - Initial Contribution
  49  */
  50 public abstract class DSCAlarmBaseBridgeHandler extends BaseBridgeHandler {
  51
  52     private final Logger logger = LoggerFactory.getLogger(DSCAlarmBaseBridgeHandler.class);
  53
  54     /** The DSC Alarm bridge type. */
  55     private DSCAlarmBridgeType dscAlarmBridgeType = null;
  56
  57     /** The DSC Alarm bridge type. */
  58     private DSCAlarmProtocol dscAlarmProtocol = null;
  59
  60     /** The DSC Alarm Discovery Service. */
  61     private DSCAlarmDiscoveryService dscAlarmDiscoveryService = null;
  62
  63     /** The Panel Thing handler for the bridge. */
  64     private DSCAlarmBaseThingHandler panelThingHandler = null;
  65
  66     /** Connection status for the bridge. */
  67     private boolean connected = false;
  68
  69     /** Determines if things have changed. */
  70     private boolean thingsHaveChanged = false;
  71
  72     /** Determines if all things have been initialized. */
  73     private boolean allThingsInitialized = false;
  74
  75     /** Thing count. */
  76     private int thingCount = 0;
  77
  78     /** Password for bridge connection authentication. */
  79     private String password = null;
  80
  81     /** User Code for some DSC Alarm commands. */
  82     private String userCode = null;
  83
  84     // Polling variables
  85     protected int pollPeriod = 0;
  86     private long pollElapsedTime = 0;
  87     private long pollStartTime = 0;
  88     private long refreshInterval = 5000;
  89
  90     private ScheduledFuture<?> pollingTask;
  91
  92     /**
  93      * Constructor.
  94      *
  95      * @param bridge
  96      * @param dscAlarmBridgeType
  97      */
  98     DSCAlarmBaseBridgeHandler(Bridge bridge, DSCAlarmBridgeType dscAlarmBridgeType, DSCAlarmProtocol dscAlarmProtocol) {
  99         super(bridge);
 100         this.dscAlarmBridgeType = dscAlarmBridgeType;
 101         this.dscAlarmProtocol = dscAlarmProtocol;
 102     }
 103
 104     /**
 105      * Returns the bridge type.
 106      */
 107     public DSCAlarmBridgeType getBridgeType() {
 108         return dscAlarmBridgeType;
 109     }
 110
 111     /**
 112      * Sets the protocol.
 113      *
 114      * @param dscAlarmProtocol
 115      */
 116     public void setProtocol(DSCAlarmProtocol dscAlarmProtocol) {
 117         this.dscAlarmProtocol = dscAlarmProtocol;
 118     }
 119
 120     /**
 121      * Returns the protocol.
 122      */
 123     public DSCAlarmProtocol getProtocol() {
 124         return dscAlarmProtocol;
 125     }
 126
 127     /**
 128      * Sets the bridge type.
 129      *
 130      * @param dscAlarmBridgeType
 131      */
 132     public void setBridgeType(DSCAlarmBridgeType dscAlarmBridgeType) {
 133         this.dscAlarmBridgeType = dscAlarmBridgeType;
 134     }
 135
 136     @Override
 137     public void initialize() {
 138         if (this.pollPeriod > 15) {
 139             this.pollPeriod = 15;
 140         } else if (this.pollPeriod < 1) {
 141             this.pollPeriod = 1;
 142         }
 143         updateStatus(ThingStatus.OFFLINE);
 144         startPolling();
 145     }
 146
 147     @Override
 148     public void dispose() {
 149         stopPolling();
 150         closeConnection();
 151         super.dispose();
 152     }
 153
 154     /**
 155      * Register the Discovery Service.
 156      *
 157      * @param discoveryService
 158      */
 159     public void registerDiscoveryService(DSCAlarmDiscoveryService discoveryService) {
 160         if (discoveryService == null) {
 161             throw new IllegalArgumentException("registerDiscoveryService(): Illegal Argument. Not allowed to be Null!");
 162         } else {
 163             this.dscAlarmDiscoveryService = discoveryService;
 164             logger.trace("registerDiscoveryService(): Discovery Service Registered!");
 165         }
 166     }
 167
 168     /**
 169      * Unregister the Discovery Service.
 170      */
 171     public void unregisterDiscoveryService() {
 172         dscAlarmDiscoveryService = null;
 173         logger.trace("unregisterDiscoveryService(): Discovery Service Unregistered!");
 174     }
 175
 176     /**
 177      * Connect The Bridge.
 178      */
 179     private void connect() {
 180         openConnection();
 181
 182         if (isConnected()) {
 183             if (dscAlarmBridgeType != DSCAlarmBridgeType.Envisalink) {
 184                 onConnected();
 185             }
 186         }
 187     }
 188
 189     /**
 190      * Runs when connected.
 191      */
 192     public void onConnected() {
 193         logger.debug("onConnected(): Bridge Connected!");
 194
 195         setBridgeStatus(true);
 196
 197         thingsHaveChanged = true;
 198     }
 199
 200     /**
 201      * Disconnect The Bridge.
 202      */
 203     private void disconnect() {
 204         closeConnection();
 205
 206         if (!isConnected()) {
 207             setBridgeStatus(false);
 208         }
 209     }
 210
 211     /**
 212      * Returns Connected.
 213      */
 214     public boolean isConnected() {
 215         return this.connected;
 216     }
 217
 218     /**
 219      * Sets Connected.
 220      */
 221     public void setConnected(boolean connected) {
 222         this.connected = connected;
 223     }
 224
 225     /**
 226      * Set Bridge Status.
 227      *
 228      * @param isOnline
 229      */
 230     public void setBridgeStatus(boolean isOnline) {
 231         logger.debug("setBridgeStatus(): Setting Bridge to {}", isOnline ? ThingStatus.ONLINE : ThingStatus.OFFLINE);
 232
 233         updateStatus(isOnline ? ThingStatus.ONLINE : ThingStatus.OFFLINE);
 234
 235         ChannelUID channelUID = new ChannelUID(getThing().getUID(), BRIDGE_RESET);
 236         updateState(channelUID, OnOffType.from(isOnline));
 237     }
 238
 239     /**
 240      * Method for opening a connection to DSC Alarm.
 241      */
 242     abstract void openConnection();
 243
 244     /**
 245      * Method for closing a connection to DSC Alarm.
 246      */
 247     abstract void closeConnection();
 248
 249     /**
 250      * Method for writing to an open DSC Alarm connection.
 251      *
 252      * @param writeString
 253      * @param doNotLog
 254      */
 255     public abstract void write(String writeString, boolean doNotLog);
 256
 257     /**
 258      * Method for reading from an open DSC Alarm connection.
 259      */
 260     public abstract String read();
 261
 262     /**
 263      * Get Bridge Password.
 264      */
 265     public String getPassword() {
 266         return this.password;
 267     }
 268
 269     /**
 270      * Set Bridge Password.
 271      *
 272      * @param password
 273      */
 274     public void setPassword(String password) {
 275         this.password = password;
 276     }
 277
 278     /**
 279      * Get Panel User Code.
 280      */
 281     public String getUserCode() {
 282         return this.userCode;
 283     }
 284
 285     /**
 286      * Set Panel User Code.
 287      *
 288      * @param userCode
 289      */
 290     public void setUserCode(String userCode) {
 291         this.userCode = userCode;
 292     }
 293
 294     /**
 295      * Method to start the polling task.
 296      */
 297     private void startPolling() {
 298         logger.debug("Starting DSC Alarm Polling Task.");
 299         if (pollingTask == null || pollingTask.isCancelled()) {
 300             pollingTask = scheduler.scheduleWithFixedDelay(this::polling, 0, refreshInterval, TimeUnit.MILLISECONDS);
 301         }
 302     }
 303
 304     /**
 305      * Method to stop the polling task.
 306      */
 307     private void stopPolling() {
 308         logger.debug("Stopping DSC Alarm Polling Task.");
 309         if (pollingTask != null && !pollingTask.isCancelled()) {
 310             pollingTask.cancel(true);
 311             pollingTask = null;
 312         }
 313     }
 314
 315     /**
 316      * Method for polling the DSC Alarm System.
 317      */
 318     public synchronized void polling() {
 319         logger.debug("DSC Alarm Polling Task - '{}' is {}", getThing().getUID(), getThing().getStatus());
 320
 321         if (isConnected()) {
 322             if (pollStartTime == 0) {
 323                 pollStartTime = System.currentTimeMillis();
 324             }
 325
 326             pollElapsedTime = ((System.currentTimeMillis() - pollStartTime) / 1000) / 60;
 327
 328             // Send Poll command to the DSC Alarm if idle for 'pollPeriod'
 329             // minutes
 330             if (pollElapsedTime >= pollPeriod) {
 331                 sendCommand(DSCAlarmCode.Poll);
 332                 pollStartTime = 0;
 333             }
 334
 335             checkThings();
 336
 337             if (thingsHaveChanged && allThingsInitialized) {
 338                 this.setBridgeStatus(isConnected());
 339                 thingsHaveChanged = false;
 340                 // Get a status report from DSC Alarm.
 341                 sendCommand(DSCAlarmCode.StatusReport);
 342             }
 343         } else {
 344             logger.error("Not Connected to the DSC Alarm!");
 345             connect();
 346         }
 347     }
 348
 349     /**
 350      * Check if things have changed.
 351      */
 352     public void checkThings() {
 353         logger.debug("Checking Things!");
 354
 355         allThingsInitialized = true;
 356
 357         List<Thing> things = getThing().getThings();
 358
 359         if (things.size() != thingCount) {
 360             thingsHaveChanged = true;
 361             thingCount = things.size();
 362         }
 363
 364         for (Thing thing : things) {
 365
 366             DSCAlarmBaseThingHandler handler = (DSCAlarmBaseThingHandler) thing.getHandler();
 367
 368             if (handler != null) {
 369                 logger.debug("***Checking '{}' - Status: {}, Initialized: {}", thing.getUID(), thing.getStatus(),
 370                         handler.isThingHandlerInitialized());
 371
 372                 if (!handler.isThingHandlerInitialized() || thing.getStatus() != ThingStatus.ONLINE) {
 373                     allThingsInitialized = false;
 374                 }
 375
 376                 if (handler.getDSCAlarmThingType().equals(DSCAlarmThingType.PANEL)) {
 377                     if (panelThingHandler == null) {
 378                         panelThingHandler = handler;
 379                     }
 380                 }
 381
 382             } else {
 383                 logger.error("checkThings(): Thing handler not found!");
 384             }
 385         }
 386     }
 387
 388     /**
 389      * Find a Thing.
 390      *
 391      * @param dscAlarmThingType
 392      * @param partitionId
 393      * @param zoneId
 394      * @return thing
 395      */
 396     public Thing findThing(DSCAlarmThingType dscAlarmThingType, int partitionId, int zoneId) {
 397         List<Thing> things = getThing().getThings();
 398
 399         Thing thing = null;
 400
 401         for (Thing t : things) {
 402             try {
 403                 Configuration config = t.getConfiguration();
 404                 DSCAlarmBaseThingHandler handler = (DSCAlarmBaseThingHandler) t.getHandler();
 405
 406                 if (handler != null) {
 407                     DSCAlarmThingType handlerDSCAlarmThingType = handler.getDSCAlarmThingType();
 408
 409                     if (handlerDSCAlarmThingType != null) {
 410                         if (handlerDSCAlarmThingType.equals(dscAlarmThingType)) {
 411                             switch (handlerDSCAlarmThingType) {
 412                                 case PANEL:
 413                                 case KEYPAD:
 414                                     thing = t;
 415                                     logger.debug("findThing(): Thing Found - {}, {}, {}", t, handler,
 416                                             handlerDSCAlarmThingType);
 417                                     return thing;
 418                                 case PARTITION:
 419                                     BigDecimal partitionNumber = (BigDecimal) config
 420                                             .get(DSCAlarmPartitionConfiguration.PARTITION_NUMBER);
 421                                     if (partitionId == partitionNumber.intValue()) {
 422                                         thing = t;
 423                                         logger.debug("findThing(): Thing Found - {}, {}, {}", t, handler,
 424                                                 handlerDSCAlarmThingType);
 425                                         return thing;
 426                                     }
 427                                     break;
 428                                 case ZONE:
 429                                     BigDecimal zoneNumber = (BigDecimal) config
 430                                             .get(DSCAlarmZoneConfiguration.ZONE_NUMBER);
 431                                     if (zoneId == zoneNumber.intValue()) {
 432                                         thing = t;
 433                                         logger.debug("findThing(): Thing Found - {}, {}, {}", t, handler,
 434                                                 handlerDSCAlarmThingType);
 435                                         return thing;
 436                                     }
 437                                     break;
 438                                 default:
 439                                     break;
 440                             }
 441                         }
 442                     }
 443                 }
 444             } catch (Exception e) {
 445                 logger.debug("findThing(): Error Seaching Thing - {} ", e.getMessage(), e);
 446             }
 447         }
 448
 449         return thing;
 450     }
 451
 452     /**
 453      * Handles an incoming message from the DSC Alarm System.
 454      *
 455      * @param incomingMessage
 456      */
 457     public synchronized void handleIncomingMessage(String incomingMessage) {
 458         if (incomingMessage != null && !incomingMessage.isEmpty()) {
 459             DSCAlarmMessage dscAlarmMessage = new DSCAlarmMessage(incomingMessage);
 460             DSCAlarmMessageType dscAlarmMessageType = dscAlarmMessage.getDSCAlarmMessageType();
 461
 462             logger.debug("handleIncomingMessage(): Message received: {} - {}", incomingMessage,
 463                     dscAlarmMessage.toString());
 464
 465             DSCAlarmEvent event = new DSCAlarmEvent(this);
 466             event.dscAlarmEventMessage(dscAlarmMessage);
 467             DSCAlarmThingType dscAlarmThingType = null;
 468             int partitionId = 0;
 469             int zoneId = 0;
 470
 471             DSCAlarmCode dscAlarmCode = DSCAlarmCode
 472                     .getDSCAlarmCodeValue(dscAlarmMessage.getMessageInfo(DSCAlarmMessageInfoType.CODE));
 473
 474             if (panelThingHandler != null) {
 475                 panelThingHandler.setPanelMessage(dscAlarmMessage);
 476             }
 477
 478             if (dscAlarmCode == DSCAlarmCode.LoginResponse) {
 479                 String dscAlarmMessageData = dscAlarmMessage.getMessageInfo(DSCAlarmMessageInfoType.DATA);
 480                 if ("3".equals(dscAlarmMessageData)) {
 481                     sendCommand(DSCAlarmCode.NetworkLogin);
 482                     // onConnected();
 483                 } else if ("1".equals(dscAlarmMessageData)) {
 484                     onConnected();
 485                 }
 486                 return;
 487             } else if (dscAlarmCode == DSCAlarmCode.CommandAcknowledge) {
 488                 String dscAlarmMessageData = dscAlarmMessage.getMessageInfo(DSCAlarmMessageInfoType.DATA);
 489                 if ("000".equals(dscAlarmMessageData)) {
 490                     setBridgeStatus(true);
 491                 }
 492             }
 493
 494             switch (dscAlarmMessageType) {
 495                 case PANEL_EVENT:
 496                     dscAlarmThingType = DSCAlarmThingType.PANEL;
 497                     break;
 498                 case PARTITION_EVENT:
 499                     dscAlarmThingType = DSCAlarmThingType.PARTITION;
 500                     partitionId = Integer
 501                             .parseInt(event.getDSCAlarmMessage().getMessageInfo(DSCAlarmMessageInfoType.PARTITION));
 502                     break;
 503                 case ZONE_EVENT:
 504                     dscAlarmThingType = DSCAlarmThingType.ZONE;
 505                     zoneId = Integer.parseInt(event.getDSCAlarmMessage().getMessageInfo(DSCAlarmMessageInfoType.ZONE));
 506                     break;
 507                 case KEYPAD_EVENT:
 508                     dscAlarmThingType = DSCAlarmThingType.KEYPAD;
 509                     break;
 510                 default:
 511                     break;
 512             }
 513
 514             if (dscAlarmThingType != null) {
 515                 Thing thing = findThing(dscAlarmThingType, partitionId, zoneId);
 516
 517                 logger.debug("handleIncomingMessage(): Thing Search - '{}'", thing);
 518
 519                 if (thing != null) {
 520                     DSCAlarmBaseThingHandler thingHandler = (DSCAlarmBaseThingHandler) thing.getHandler();
 521
 522                     if (thingHandler != null) {
 523                         if (thingHandler.isThingHandlerInitialized() && thing.getStatus() == ThingStatus.ONLINE) {
 524                             thingHandler.dscAlarmEventReceived(event, thing);
 525
 526                         } else {
 527                             logger.debug("handleIncomingMessage(): Thing '{}' Not Refreshed!", thing.getUID());
 528                         }
 529                     }
 530                 } else {
 531                     logger.debug("handleIncomingMessage(): Thing Not Found! Send to Discovery Service!");
 532
 533                     if (dscAlarmDiscoveryService != null) {
 534                         dscAlarmDiscoveryService.addThing(getThing(), dscAlarmThingType, event);
 535                     }
 536                 }
 537             }
 538         } else {
 539             logger.debug("handleIncomingMessage(): No Message Received!");
 540         }
 541     }
 542
 543     @Override
 544     public void handleCommand(ChannelUID channelUID, Command command) {
 545         logger.debug("handleCommand(): Command Received - {} {}.", channelUID, command);
 546
 547         if (command instanceof RefreshType) {
 548             return;
 549         }
 550
 551         if (isConnected()) {
 552             switch (channelUID.getId()) {
 553                 case BRIDGE_RESET:
 554                     if (command == OnOffType.OFF) {
 555                         disconnect();
 556                     }
 557                     break;
 558                 case SEND_COMMAND:
 559                     if (!command.toString().isEmpty()) {
 560                         String[] tokens = command.toString().split(",");
 561
 562                         String cmd = tokens[0];
 563                         String data = "";
 564                         if (tokens.length > 1) {
 565                             data = tokens[1];
 566                         }
 567
 568                         sendDSCAlarmCommand(cmd, data);
 569
 570                         updateState(channelUID, new StringType(""));
 571                     }
 572                     break;
 573                 default:
 574                     break;
 575             }
 576         }
 577     }
 578
 579     /**
 580      * Method to send a sequence of key presses one at a time using the '070' command.
 581      *
 582      * @param keySequence
 583      */
 584     private boolean sendKeySequence(String keySequence) {
 585         logger.debug("sendKeySequence(): Sending key sequence '{}'.", keySequence);
 586
 587         boolean sent = false;
 588
 589         for (char key : keySequence.toCharArray()) {
 590             sent = sendCommand(DSCAlarmCode.KeyStroke, String.valueOf(key));
 591
 592             if (!sent) {
 593                 return sent;
 594             }
 595         }
 596
 597         return sent;
 598     }
 599
 600     /**
 601      * Sends a DSC Alarm command
 602      *
 603      * @param command
 604      * @param data
 605      */
 606     public boolean sendDSCAlarmCommand(String command, String data) {
 607         logger.debug("sendDSCAlarmCommand(): Attempting to send DSC Alarm Command: command - {} - data: {}", command,
 608                 data);
 609
 610         DSCAlarmCode dscAlarmCode = DSCAlarmCode.getDSCAlarmCodeValue(command);
 611
 612         if (dscAlarmProtocol.equals(DSCAlarmProtocol.IT100_API) && dscAlarmCode.equals(DSCAlarmCode.KeySequence)) {
 613             return sendKeySequence(data);
 614         } else {
 615             return sendCommand(dscAlarmCode, data);
 616         }
 617     }
 618
 619     /**
 620      * Send an API command to the DSC Alarm system.
 621      *
 622      * @param dscAlarmCode
 623      * @param dscAlarmData
 624      * @return successful
 625      */
 626     public boolean sendCommand(DSCAlarmCode dscAlarmCode, String... dscAlarmData) {
 627         boolean successful = false;
 628         boolean validCommand = false;
 629
 630         String command = dscAlarmCode.getCode();
 631         String data = "";
 632         boolean confidentialData = false;
 633
 634         switch (dscAlarmCode) {
 635             case Poll: /* 000 */
 636             case StatusReport: /* 001 */
 637                 validCommand = true;
 638                 break;
 639             case LabelsRequest: /* 002 */
 640                 if (!dscAlarmProtocol.equals(DSCAlarmProtocol.IT100_API)) {
 641                     break;
 642                 }
 643                 validCommand = true;
 644                 break;
 645             case NetworkLogin: /* 005 */
 646                 if (!dscAlarmProtocol.equals(DSCAlarmProtocol.ENVISALINK_TPI)) {
 647                     break;
 648                 }
 649
 650                 if (password == null) {
 651                     logger.error("sendCommand(): No password!");
 652                     break;
 653                 }
 654                 data = password;
 655                 confidentialData = true;
 656                 validCommand = true;
 657                 break;
 658             case DumpZoneTimers: /* 008 */
 659                 if (!dscAlarmProtocol.equals(DSCAlarmProtocol.ENVISALINK_TPI)) {
 660                     break;
 661                 }
 662                 validCommand = true;
 663                 break;
 664             case SetTimeDate: /* 010 */
 665                 Date date = new Date();
 666                 SimpleDateFormat dateTime = new SimpleDateFormat("HHmmMMddYY");
 667                 data = dateTime.format(date);
 668                 validCommand = true;
 669                 break;
 670             case CommandOutputControl: /* 020 */
 671                 if (dscAlarmData[0] == null || !dscAlarmData[0].matches("[1-8]")) {
 672                     logger.error(
 673                             "sendCommand(): Partition number must be a single character string from 1 to 8, it was: {}",
 674                             dscAlarmData[0]);
 675                     break;
 676                 }
 677
 678                 if (dscAlarmData[1] == null || !dscAlarmData[1].matches("[1-4]")) {
 679                     logger.error(
 680                             "sendCommand(): Output number must be a single character string from 1 to 4, it was: {}",
 681                             dscAlarmData[1]);
 682                     break;
 683                 }
 684
 685                 data = dscAlarmData[0];
 686                 validCommand = true;
 687                 break;
 688             case KeepAlive: /* 074 */
 689                 if (!dscAlarmProtocol.equals(DSCAlarmProtocol.ENVISALINK_TPI)) {
 690                     break;
 691                 }
 692             case PartitionArmControlAway: /* 030 */
 693             case PartitionArmControlStay: /* 031 */
 694             case PartitionArmControlZeroEntryDelay: /* 032 */
 695                 if (dscAlarmData[0] == null || !dscAlarmData[0].matches("[1-8]")) {
 696                     logger.error(
 697                             "sendCommand(): Partition number must be a single character string from 1 to 8, it was: {}",
 698                             dscAlarmData[0]);
 699                     break;
 700                 }
 701                 data = dscAlarmData[0];
 702                 validCommand = true;
 703                 break;
 704             case PartitionArmControlWithUserCode: /* 033 */
 705             case PartitionDisarmControl: /* 040 */
 706                 if (dscAlarmData[0] == null || !dscAlarmData[0].matches("[1-8]")) {
 707                     logger.error(
 708                             "sendCommand(): Partition number must be a single character string from 1 to 8, it was: {}",
 709                             dscAlarmData[0]);
 710                     break;
 711                 }
 712
 713                 if (userCode == null || userCode.length() < 4 || userCode.length() > 6) {
 714                     logger.error("sendCommand(): User Code is invalid, must be between 4 and 6 chars");
 715                     break;
 716                 }
 717
 718                 if (dscAlarmProtocol.equals(DSCAlarmProtocol.IT100_API)) {
 719                     data = dscAlarmData[0] + String.format("%-6s", userCode).replace(' ', '0');
 720                 } else {
 721                     data = dscAlarmData[0] + userCode;
 722                 }
 723
 724                 confidentialData = true;
 725                 validCommand = true;
 726                 break;
 727             case VirtualKeypadControl: /* 058 */
 728                 if (!dscAlarmProtocol.equals(DSCAlarmProtocol.IT100_API)) {
 729                     break;
 730                 }
 731             case TimeStampControl: /* 055 */
 732             case TimeDateBroadcastControl: /* 056 */
 733             case TemperatureBroadcastControl: /* 057 */
 734                 if (dscAlarmData[0] == null || !dscAlarmData[0].matches("[0-1]")) {
 735                     logger.error("sendCommand(): Value must be a single character string of 0 or 1: {}",
 736                             dscAlarmData[0]);
 737                     break;
 738                 }
 739                 data = dscAlarmData[0];
 740                 validCommand = true;
 741                 break;
 742             case TriggerPanicAlarm: /* 060 */
 743                 if (dscAlarmData[0] == null || !dscAlarmData[0].matches("[1-3]")) {
 744                     logger.error("sendCommand(): FAPcode must be a single character string from 1 to 3, it was: {}",
 745                             dscAlarmData[1]);
 746                     break;
 747                 }
 748                 data = dscAlarmData[0];
 749                 validCommand = true;
 750                 break;
 751             case KeyStroke: /* 070 */
 752                 if (dscAlarmProtocol.equals(DSCAlarmProtocol.ENVISALINK_TPI)) {
 753                     if (dscAlarmData[0] == null || dscAlarmData[0].length() != 1
 754                             || !dscAlarmData[0].matches("[0-9]|A|#|\\*")) {
 755                         logger.error(
 756                                 "sendCommand(): \'keystroke\' must be a single character string from 0 to 9, *, #, or A, it was: {}",
 757                                 dscAlarmData[0]);
 758                         break;
 759                     }
 760                 } else if (dscAlarmProtocol.equals(DSCAlarmProtocol.IT100_API)) {
 761                     if (dscAlarmData[0] == null || dscAlarmData[0].length() != 1
 762                             || !dscAlarmData[0].matches("[0-9]|\\*|#|F|A|P|[a-e]|<|>|=|\\^|L")) {
 763                         logger.error(
 764                                 "sendCommand(): \'keystroke\' must be a single character string from 0 to 9, *, #, F, A, P, a to e, <, >, =, or ^, it was: {}",
 765                                 dscAlarmData[0]);
 766                         break;
 767                     } else if ("L".equals(dscAlarmData[0])) { /* Long Key Press */
 768                         try {
 769                             Thread.sleep(1500);
 770                             data = "^";
 771                             validCommand = true;
 772                             break;
 773                         } catch (InterruptedException e) {
 774                             logger.error("sendCommand(): \'keystroke\': Error with Long Key Press!");
 775                             break;
 776                         }
 777                     }
 778                 } else {
 779                     break;
 780                 }
 781
 782                 data = dscAlarmData[0];
 783                 validCommand = true;
 784                 break;
 785             case KeySequence: /* 071 */
 786                 if (!dscAlarmProtocol.equals(DSCAlarmProtocol.ENVISALINK_TPI)) {
 787                     break;
 788                 }
 789
 790                 if (dscAlarmData[0] == null || dscAlarmData[0].length() > 6
 791                         || !dscAlarmData[0].matches("(\\d|#|\\*)+")) {
 792                     logger.error(
 793                             "sendCommand(): \'keysequence\' must be a string of up to 6 characters consiting of 0 to 9, *, or #, it was: {}",
 794                             dscAlarmData[0]);
 795                     break;
 796                 }
 797                 data = dscAlarmData[0];
 798                 validCommand = true;
 799                 break;
 800             case CodeSend: /* 200 */
 801                 if (userCode == null || userCode.length() < 4 || userCode.length() > 6) {
 802                     logger.error("sendCommand(): Access Code is invalid, must be between 4 and 6 chars");
 803                     break;
 804                 }
 805
 806                 data = userCode;
 807                 confidentialData = true;
 808                 validCommand = true;
 809                 break;
 810
 811             default:
 812                 validCommand = false;
 813                 break;
 814
 815         }
 816
 817         if (validCommand) {
 818             String cmd = dscAlarmCommand(command, data);
 819             write(cmd, confidentialData);
 820             successful = true;
 821             logger.debug("sendCommand(): '{}' Command Sent - {}", dscAlarmCode, confidentialData ? "***" : cmd);
 822         } else {
 823             logger.error("sendCommand(): Command '{}' Not Sent - Invalid!", dscAlarmCode);
 824         }
 825
 826         return successful;
 827     }
 828
 829     private String dscAlarmCommand(String command, String data) {
 830         int sum = 0;
 831
 832         String cmd = command + data;
 833
 834         for (int i = 0; i < cmd.length(); i++) {
 835             char c = cmd.charAt(i);
 836             sum += c;
 837         }
 838
 839         sum &= 0xFF;
 840
 841         String strChecksum = Integer.toHexString(sum >> 4) + Integer.toHexString(sum & 0xF);
 842
 843         return cmd + strChecksum.toUpperCase() + "\r\n";
 844     }
 845 }