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   1 /**
   2  * Copyright (c) 2010-2022 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.CHANNEL_UNIT_LEVEL;
  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.IncreaseDecreaseType;
  21 import org.openhab.core.library.types.OnOffType;
  22 import org.openhab.core.library.types.PercentType;
  23 import org.openhab.core.thing.ChannelUID;
  24 import org.openhab.core.thing.Thing;
  25 import org.openhab.core.types.Command;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 import com.digitaldan.jomnilinkII.MessageTypes.CommandMessage;
  30
  31 /**
  32  * The {@link DimmableUnitHandler} defines some methods that are used to
  33  * interface with an OmniLink Dimmable Unit. This by extension also defines the
  34  * Dimmable Unit things that openHAB will be able to pick up and interface with.
  35  *
  36  * @author Brian O'Connell - Initial contribution
  37  * @author Ethan Dye - openHAB3 rewrite
  38  */
  39 @NonNullByDefault
  40 public class DimmableUnitHandler extends UnitHandler {
  41     private final Logger logger = LoggerFactory.getLogger(DimmableUnitHandler.class);
  42     private final int thingID = getThingNumber();
  43     public @Nullable String number;
  44
  45     public DimmableUnitHandler(Thing thing) {
  46         super(thing);
  47     }
  48
  49     @Override
  50     public void handleCommand(ChannelUID channelUID, Command command) {
  51         logger.debug("handleCommand called for channel: {}, command: {}", channelUID, command);
  52         switch (channelUID.getId()) {
  53             case CHANNEL_UNIT_LEVEL:
  54                 handleUnitLevel(channelUID, command);
  55                 break;
  56             default:
  57                 logger.debug("Unknown channel for Dimmable Unit thing: {}", channelUID);
  58                 super.handleCommand(channelUID, command);
  59         }
  60     }
  61
  62     private void handleUnitLevel(ChannelUID channelUID, Command command) {
  63         logger.debug("handleUnitLevel called for channel: {}, command: {}", channelUID, command);
  64         if (command instanceof PercentType) {
  65             handlePercent(channelUID, (PercentType) command);
  66         } else if (command instanceof IncreaseDecreaseType) {
  67             handleIncreaseDecrease(channelUID, (IncreaseDecreaseType) command);
  68         } else {
  69             // Only handle percent or increase/decrease.
  70             super.handleCommand(channelUID, command);
  71         }
  72     }
  73
  74     private void handlePercent(ChannelUID channelUID, PercentType command) {
  75         logger.debug("handlePercent called for channel: {}, command: {}", channelUID, command);
  76         int lightLevel = command.intValue();
  77
  78         if (lightLevel == 0) {
  79             super.handleOnOff(channelUID, OnOffType.OFF);
  80         } else if (lightLevel == 100) {
  81             super.handleOnOff(channelUID, OnOffType.ON);
  82         } else {
  83             sendOmnilinkCommand(CommandMessage.CMD_UNIT_PERCENT, lightLevel, thingID);
  84         }
  85     }
  86
  87     private void handleIncreaseDecrease(ChannelUID channelUID, IncreaseDecreaseType command) {
  88         logger.debug("handleIncreaseDecrease called for channel: {}, command: {}", channelUID, command);
  89         sendOmnilinkCommand(IncreaseDecreaseType.INCREASE.equals(command) ? CommandMessage.CMD_UNIT_UPB_BRIGHTEN_STEP_1
  90                 : CommandMessage.CMD_UNIT_UPB_DIM_STEP_1, 0, thingID);
  91     }
  92 }