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   1 /**
   2  * Copyright (c) 2010-2021 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.OmniLinkCmd;
  20 import org.openhab.binding.omnilink.internal.handler.UnitHandler;
  21 import org.openhab.core.library.types.IncreaseDecreaseType;
  22 import org.openhab.core.library.types.OnOffType;
  23 import org.openhab.core.library.types.PercentType;
  24 import org.openhab.core.thing.ChannelUID;
  25 import org.openhab.core.thing.Thing;
  26 import org.openhab.core.types.Command;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 /**
  31  * The {@link DimmableUnitHandler} defines some methods that are used to
  32  * interface with an OmniLink Dimmable Unit. This by extension also defines the
  33  * Dimmable Unit things that openHAB will be able to pick up and interface with.
  34  *
  35  * @author Brian O'Connell - Initial contribution
  36  * @author Ethan Dye - openHAB3 rewrite
  37  */
  38 @NonNullByDefault
  39 public class DimmableUnitHandler extends UnitHandler {
  40     private final Logger logger = LoggerFactory.getLogger(DimmableUnitHandler.class);
  41     private final int thingID = getThingNumber();
  42     public @Nullable String number;
  43
  44     public DimmableUnitHandler(Thing thing) {
  45         super(thing);
  46     }
  47
  48     @Override
  49     public void handleCommand(ChannelUID channelUID, Command command) {
  50         logger.debug("handleCommand called for channel: {}, command: {}", channelUID, command);
  51         switch (channelUID.getId()) {
  52             case CHANNEL_UNIT_LEVEL:
  53                 handleUnitLevel(channelUID, command);
  54                 break;
  55             default:
  56                 logger.debug("Unknown channel for Dimmable Unit thing: {}", channelUID);
  57                 super.handleCommand(channelUID, command);
  58         }
  59     }
  60
  61     private void handleUnitLevel(ChannelUID channelUID, Command command) {
  62         logger.debug("handleUnitLevel called for channel: {}, command: {}", channelUID, command);
  63         if (command instanceof PercentType) {
  64             handlePercent(channelUID, (PercentType) command);
  65         } else if (command instanceof IncreaseDecreaseType) {
  66             handleIncreaseDecrease(channelUID, (IncreaseDecreaseType) command);
  67         } else {
  68             // Only handle percent or increase/decrease.
  69             super.handleCommand(channelUID, command);
  70         }
  71     }
  72
  73     private void handlePercent(ChannelUID channelUID, PercentType command) {
  74         logger.debug("handlePercent called for channel: {}, command: {}", channelUID, command);
  75         int lightLevel = command.intValue();
  76
  77         if (lightLevel == 0) {
  78             super.handleOnOff(channelUID, OnOffType.OFF);
  79         } else if (lightLevel == 100) {
  80             super.handleOnOff(channelUID, OnOffType.ON);
  81         } else {
  82             sendOmnilinkCommand(OmniLinkCmd.CMD_UNIT_PERCENT.getNumber(), lightLevel, thingID);
  83         }
  84     }
  85
  86     private void handleIncreaseDecrease(ChannelUID channelUID, IncreaseDecreaseType command) {
  87         logger.debug("handleIncreaseDecrease called for channel: {}, command: {}", channelUID, command);
  88         sendOmnilinkCommand(
  89                 IncreaseDecreaseType.INCREASE.equals(command) ? OmniLinkCmd.CMD_UNIT_UNIT_BRIGHTEN_STEP_1.getNumber()
  90                         : OmniLinkCmd.CMD_UNIT_UNIT_DIM_STEP_1.getNumber(),
  91                 0, thingID);
  92     }
  93 }