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   1 /**
   2  * Copyright (c) 2010-2023 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.irtrans.internal.handler;
  14
  15 import static org.openhab.binding.irtrans.internal.IRtransBindingConstants.CHANNEL_IO;
  16
  17 import org.openhab.binding.irtrans.internal.IRtransBindingConstants.Led;
  18 import org.openhab.binding.irtrans.internal.IrCommand;
  19 import org.openhab.core.library.types.StringType;
  20 import org.openhab.core.thing.ChannelUID;
  21 import org.openhab.core.thing.Thing;
  22 import org.openhab.core.thing.ThingStatus;
  23 import org.openhab.core.thing.binding.BaseThingHandler;
  24 import org.openhab.core.types.Command;
  25 import org.openhab.core.types.RefreshType;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 /**
  30  * The {@link BlasterHandler} is responsible for handling commands, which are
  31  * sent to one of the channels.
  32  *
  33  * @author Karel Goderis - Initial contribution
  34  *
  35  */
  36 public class BlasterHandler extends BaseThingHandler implements TransceiverStatusListener {
  37
  38     // List of Configuration constants
  39     public static final String COMMAND = "command";
  40     public static final String LED = "led";
  41     public static final String REMOTE = "remote";
  42
  43     private Logger logger = LoggerFactory.getLogger(BlasterHandler.class);
  44
  45     public BlasterHandler(Thing thing) {
  46         super(thing);
  47     }
  48
  49     @Override
  50     public void initialize() {
  51         ((EthernetBridgeHandler) getBridge().getHandler()).registerTransceiverStatusListener(this);
  52     }
  53
  54     @Override
  55     public void handleRemoval() {
  56         ((EthernetBridgeHandler) getBridge().getHandler()).unregisterTransceiverStatusListener(this);
  57         updateStatus(ThingStatus.REMOVED);
  58     }
  59
  60     @Override
  61     public void handleCommand(ChannelUID channelUID, Command command) {
  62         EthernetBridgeHandler ethernetBridge = (EthernetBridgeHandler) getBridge().getHandler();
  63
  64         if (ethernetBridge == null) {
  65             logger.warn("IRtrans Ethernet bridge handler not found. Cannot handle command without bridge.");
  66             return;
  67         }
  68
  69         if (!(command instanceof RefreshType)) {
  70             if (channelUID.getId().equals(CHANNEL_IO)) {
  71                 if (command instanceof StringType) {
  72                     String[] remoteCommand = command.toString().split(",", 2);
  73                     if (remoteCommand.length < 2) {
  74                         logger.warn("Ignoring invalid command '{}'", command);
  75                         return;
  76                     }
  77
  78                     IrCommand ircommand = new IrCommand();
  79                     ircommand.setRemote(remoteCommand[0]);
  80                     ircommand.setCommand(remoteCommand[1]);
  81
  82                     IrCommand thingCompatibleCommand = new IrCommand();
  83                     thingCompatibleCommand.setRemote((String) getConfig().get(REMOTE));
  84                     thingCompatibleCommand.setCommand((String) getConfig().get(COMMAND));
  85
  86                     if (ircommand.matches(thingCompatibleCommand)) {
  87                         if (!ethernetBridge.sendIRcommand(ircommand, Led.get((String) getConfig().get(LED)))) {
  88                             logger.warn("An error occured whilst sending the infrared command '{}' for Channel '{}'",
  89                                     ircommand, channelUID);
  90                         }
  91                     }
  92                 }
  93             }
  94         }
  95     }
  96
  97     @Override
  98     public void onCommandReceived(EthernetBridgeHandler bridge, IrCommand command) {
  99         logger.debug("Received command {},{} for thing {}", command.getRemote(), command.getCommand(),
 100                 this.getThing().getUID());
 101
 102         IrCommand thingCompatibleCommand = new IrCommand();
 103         thingCompatibleCommand.setRemote((String) getConfig().get(REMOTE));
 104         thingCompatibleCommand.setCommand((String) getConfig().get(COMMAND));
 105
 106         if (command.matches(thingCompatibleCommand)) {
 107             StringType stringType = new StringType(command.getRemote() + "," + command.getCommand());
 108             updateState(CHANNEL_IO, stringType);
 109         }
 110     }
 111 }