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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.omnilink.internal.handler.units;
  14
  15 import static org.openhab.binding.omnilink.internal.OmnilinkBindingConstants.*;
  16
  17 import org.eclipse.jdt.annotation.NonNullByDefault;
  18 import org.eclipse.jdt.annotation.Nullable;
  19 import org.openhab.binding.omnilink.internal.handler.UnitHandler;
  20 import org.openhab.core.library.types.DecimalType;
  21 import org.openhab.core.library.types.OnOffType;
  22 import org.openhab.core.thing.ChannelUID;
  23 import org.openhab.core.thing.Thing;
  24 import org.openhab.core.thing.ThingStatus;
  25 import org.openhab.core.thing.ThingStatusDetail;
  26 import org.openhab.core.types.Command;
  27 import org.openhab.core.types.RefreshType;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 import com.digitaldan.jomnilinkII.MessageTypes.CommandMessage;
  32 import com.digitaldan.jomnilinkII.MessageTypes.statuses.ExtendedUnitStatus;
  33
  34 /**
  35  * The {@link FlagHandler} defines some methods that are used to
  36  * interface with an OmniLink Flag. This by extension also defines the
  37  * Flag thing that openHAB will be able to pick up and interface with.
  38  *
  39  * @author Craig Hamilton - Initial contribution
  40  * @author Ethan Dye - openHAB3 rewrite
  41  */
  42 @NonNullByDefault
  43 public class FlagHandler extends UnitHandler {
  44     private final Logger logger = LoggerFactory.getLogger(FlagHandler.class);
  45     private final int thingID = getThingNumber();
  46     public @Nullable String number;
  47
  48     public FlagHandler(Thing thing) {
  49         super(thing);
  50     }
  51
  52     @Override
  53     public void handleCommand(ChannelUID channelUID, Command command) {
  54         logger.debug("handleCommand called for channel: {}, command: {}", channelUID, command);
  55
  56         if (command instanceof RefreshType) {
  57             retrieveStatus().ifPresentOrElse(this::updateChannels, () -> updateStatus(ThingStatus.OFFLINE,
  58                     ThingStatusDetail.OFFLINE.COMMUNICATION_ERROR, "Received null status update!"));
  59             return;
  60         }
  61
  62         switch (channelUID.getId()) {
  63             case CHANNEL_FLAG_VALUE:
  64                 if (command instanceof DecimalType decimalCommand) {
  65                     sendOmnilinkCommand(CommandMessage.CMD_UNIT_SET_COUNTER, decimalCommand.intValue(), thingID);
  66                 } else {
  67                     logger.debug("Invalid command: {}, must be DecimalType", command);
  68                 }
  69                 break;
  70             case CHANNEL_FLAG_SWITCH:
  71                 if (command instanceof OnOffType onOffCommand) {
  72                     handleOnOff(channelUID, onOffCommand);
  73                 } else {
  74                     logger.debug("Invalid command: {}, must be OnOffType", command);
  75                 }
  76                 break;
  77             default:
  78                 logger.debug("Unknown channel for Flag thing: {}", channelUID);
  79                 super.handleCommand(channelUID, command);
  80         }
  81     }
  82
  83     @Override
  84     public void updateChannels(ExtendedUnitStatus status) {
  85         logger.debug("updateChannels called for Flag status: {}", status);
  86         updateState(CHANNEL_FLAG_VALUE, DecimalType.valueOf(Integer.toString(status.getStatus())));
  87         updateState(CHANNEL_FLAG_SWITCH, OnOffType.from(status.getStatus() == 1));
  88     }
  89 }