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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.dimmable;
  14
  15 import static org.openhab.binding.omnilink.internal.OmnilinkBindingConstants.CHANNEL_UPB_STATUS;
  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.units.DimmableUnitHandler;
  21 import org.openhab.core.library.types.StringType;
  22 import org.openhab.core.thing.ChannelUID;
  23 import org.openhab.core.thing.Thing;
  24 import org.openhab.core.types.Command;
  25 import org.openhab.core.types.RefreshType;
  26 import org.openhab.core.types.UnDefType;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 /**
  31  * The {@link UpbUnitHandler} defines some methods that are used to
  32  * interface with an OmniLink UPB Unit. This by extension also defines the
  33  * UPB Unit thing that openHAB will be able to pick up and interface with.
  34  *
  35  * @author Craig Hamilton - Initial contribution
  36  * @author Ethan Dye - openHAB3 rewrite
  37  */
  38 @NonNullByDefault
  39 public class UpbUnitHandler extends DimmableUnitHandler {
  40     private final Logger logger = LoggerFactory.getLogger(UpbUnitHandler.class);
  41     private final int thingID = getThingNumber();
  42     public @Nullable String number;
  43
  44     public UpbUnitHandler(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
  52         if (command instanceof RefreshType) {
  53             updateState(CHANNEL_UPB_STATUS, UnDefType.UNDEF);
  54             return;
  55         }
  56
  57         switch (channelUID.getId()) {
  58             case CHANNEL_UPB_STATUS:
  59                 if (command instanceof StringType) {
  60                     sendOmnilinkCommand(OmniLinkCmd.CMD_UNIT_UPB_REQ_STATUS.getNumber(), 0, thingID);
  61                     updateState(CHANNEL_UPB_STATUS, UnDefType.UNDEF);
  62                 } else {
  63                     logger.debug("Invalid command: {}, must be StringType", command);
  64                 }
  65                 break;
  66             default:
  67                 logger.debug("Unknown channel for UPB Unit thing: {}", channelUID);
  68                 super.handleCommand(channelUID, command);
  69         }
  70     }
  71 }