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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.elerotransmitterstick.internal.handler;
  14
  15 import static org.openhab.binding.elerotransmitterstick.internal.EleroTransmitterStickBindingConstants.*;
  16
  17 import java.util.List;
  18
  19 import org.openhab.binding.elerotransmitterstick.internal.config.EleroChannelConfig;
  20 import org.openhab.binding.elerotransmitterstick.internal.stick.CommandType;
  21 import org.openhab.binding.elerotransmitterstick.internal.stick.ResponseStatus;
  22 import org.openhab.core.library.types.PercentType;
  23 import org.openhab.core.library.types.StopMoveType;
  24 import org.openhab.core.library.types.StringType;
  25 import org.openhab.core.library.types.UpDownType;
  26 import org.openhab.core.thing.ChannelUID;
  27 import org.openhab.core.thing.Thing;
  28 import org.openhab.core.thing.ThingStatus;
  29 import org.openhab.core.thing.ThingStatusDetail;
  30 import org.openhab.core.thing.ThingStatusInfo;
  31 import org.openhab.core.thing.binding.BaseThingHandler;
  32 import org.openhab.core.types.Command;
  33 import org.openhab.core.types.RefreshType;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36
  37 /**
  38  * The {@link EleroChannelHandler} is responsible for handling commands, which are
  39  * sent to one of the channels.
  40  *
  41  * @author Volker Bier - Initial contribution
  42  */
  43 public class EleroChannelHandler extends BaseThingHandler implements StatusListener {
  44     private final Logger logger = LoggerFactory.getLogger(EleroChannelHandler.class);
  45
  46     protected Integer channelId;
  47     protected EleroTransmitterStickHandler bridge;
  48
  49     public EleroChannelHandler(Thing thing) {
  50         super(thing);
  51     }
  52
  53     @Override
  54     public void initialize() {
  55         bridge = (EleroTransmitterStickHandler) getBridge().getHandler();
  56
  57         channelId = getConfig().as(EleroChannelConfig.class).channelId;
  58         bridge.addStatusListener(channelId, this);
  59
  60         if (bridge.getThing().getStatus() != ThingStatus.ONLINE) {
  61             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.BRIDGE_OFFLINE);
  62         } else {
  63             updateStatus(ThingStatus.UNKNOWN);
  64         }
  65     }
  66
  67     @Override
  68     public void dispose() {
  69         if (bridge != null) {
  70             bridge.removeStatusListener(channelId, this);
  71         }
  72     }
  73
  74     @Override
  75     public void bridgeStatusChanged(ThingStatusInfo bridgeStatusInfo) {
  76         if (bridgeStatusInfo.getStatus() == ThingStatus.OFFLINE) {
  77             logger.debug("Bridge for Elero channel handler for thing {} ({}) changed status to {}",
  78                     getThing().getLabel(), getThing().getUID(), bridgeStatusInfo.getStatus().toString());
  79             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.BRIDGE_OFFLINE);
  80         } else {
  81             updateStatus(ThingStatus.UNKNOWN);
  82         }
  83     }
  84
  85     @Override
  86     public void handleCommand(ChannelUID channelUID, Command command) {
  87         logger.debug("Received command {} for channel {}", command, channelUID);
  88
  89         if (channelUID.getIdWithoutGroup().equals(CONTROL_CHANNEL)) {
  90             if (command == UpDownType.UP) {
  91                 bridge.getStick().sendCommand(CommandType.UP, List.of(channelId));
  92             } else if (command == UpDownType.DOWN) {
  93                 bridge.getStick().sendCommand(CommandType.DOWN, List.of(channelId));
  94             } else if (command == StopMoveType.STOP) {
  95                 bridge.getStick().sendCommand(CommandType.STOP, List.of(channelId));
  96             } else if (command instanceof PercentType pt) {
  97                 CommandType cmd = CommandType.getForPercent(pt.intValue());
  98                 if (cmd != null) {
  99                     bridge.getStick().sendCommand(cmd, List.of(channelId));
 100                 } else {
 101                     logger.debug("Unhandled command {}.", command);
 102                 }
 103             } else if (command == RefreshType.REFRESH) {
 104                 bridge.getStick().requestUpdate(List.of(channelId));
 105             }
 106         }
 107     }
 108
 109     @Override
 110     public void statusChanged(int channelId, ResponseStatus status) {
 111         logger.debug("Received updated state {} for thing {}", status, getThing().getUID().toString());
 112
 113         updateState(STATUS_CHANNEL, new StringType(status.toString()));
 114
 115         int percentage = ResponseStatus.getPercentageFor(status);
 116         if (percentage != -1) {
 117             updateState(CONTROL_CHANNEL, new PercentType(percentage));
 118         }
 119
 120         updateStatus(ThingStatus.ONLINE);
 121     }
 122 }