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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.lutron.internal.handler;
  14
  15 import static org.openhab.binding.lutron.internal.LutronBindingConstants.CHANNEL_GROUPSTATE;
  16
  17 import org.eclipse.jdt.annotation.NonNullByDefault;
  18 import org.openhab.binding.lutron.internal.config.OGroupConfig;
  19 import org.openhab.binding.lutron.internal.protocol.GroupCommand;
  20 import org.openhab.binding.lutron.internal.protocol.lip.LutronCommandType;
  21 import org.openhab.core.library.types.StringType;
  22 import org.openhab.core.thing.Bridge;
  23 import org.openhab.core.thing.ChannelUID;
  24 import org.openhab.core.thing.Thing;
  25 import org.openhab.core.thing.ThingStatus;
  26 import org.openhab.core.thing.ThingStatusDetail;
  27 import org.openhab.core.types.Command;
  28 import org.openhab.core.types.RefreshType;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 /**
  33  * Handler responsible for communicating occupancy group states.
  34  *
  35  * @author Bob Adair - Initial contribution
  36  */
  37 @NonNullByDefault
  38 public class OGroupHandler extends LutronHandler {
  39     private static final String STATE_OCCUPIED = "OCCUPIED";
  40     private static final String STATE_UNOCCUPIED = "UNOCCUPIED";
  41     private static final String STATE_UNKNOWN = "UNKNOWN";
  42
  43     private final Logger logger = LoggerFactory.getLogger(OGroupHandler.class);
  44
  45     private @NonNullByDefault({}) OGroupConfig config;
  46
  47     public OGroupHandler(Thing thing) {
  48         super(thing);
  49     }
  50
  51     @Override
  52     public int getIntegrationId() {
  53         if (this.config == null) {
  54             throw new IllegalStateException("handler not initialized");
  55         }
  56         return config.integrationId;
  57     }
  58
  59     @Override
  60     public void initialize() {
  61         config = getConfigAs(OGroupConfig.class);
  62         if (config.integrationId <= 0) {
  63             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
  64                     "No valid integrationId configured");
  65             return;
  66         }
  67         logger.debug("Initializing Occupancy Group handler for integration ID {}", getIntegrationId());
  68         initDeviceState();
  69     }
  70
  71     @Override
  72     protected void initDeviceState() {
  73         logger.debug("Initializing device state for Occupancy Group {}", getIntegrationId());
  74         Bridge bridge = getBridge();
  75         if (bridge == null) {
  76             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, "No bridge configured");
  77         } else if (bridge.getStatus() == ThingStatus.ONLINE) {
  78             updateStatus(ThingStatus.UNKNOWN, ThingStatusDetail.NONE, "Awaiting initial response");
  79             queryGroup(GroupCommand.ACTION_GROUPSTATE);
  80             // handleUpdate() will set thing status to online when response arrives
  81         } else {
  82             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.BRIDGE_OFFLINE);
  83         }
  84     }
  85
  86     @Override
  87     public void channelLinked(ChannelUID channelUID) {
  88         if (channelUID.getId().equals(CHANNEL_GROUPSTATE)) {
  89             // Refresh state when new item is linked.
  90             queryGroup(GroupCommand.ACTION_GROUPSTATE);
  91         }
  92     }
  93
  94     @Override
  95     public void handleCommand(ChannelUID channelUID, Command command) {
  96         if (channelUID.getId().equals(CHANNEL_GROUPSTATE)) {
  97             if (command instanceof RefreshType) {
  98                 queryGroup(GroupCommand.ACTION_GROUPSTATE);
  99             }
 100         }
 101     }
 102
 103     @Override
 104     public void handleUpdate(LutronCommandType type, String... parameters) {
 105         int state;
 106
 107         if (type == LutronCommandType.GROUP && parameters.length > 1
 108                 && GroupCommand.ACTION_GROUPSTATE.toString().equals(parameters[0])) {
 109             try {
 110                 state = Integer.parseInt(parameters[1]);
 111             } catch (NumberFormatException e) {
 112                 logger.debug("Error parsing response parameter: {}", e.getMessage());
 113                 return;
 114             }
 115             if (getThing().getStatus() == ThingStatus.UNKNOWN) {
 116                 updateStatus(ThingStatus.ONLINE);
 117             }
 118             if (state == GroupCommand.STATE_GRP_OCCUPIED) {
 119                 updateState(CHANNEL_GROUPSTATE, new StringType(STATE_OCCUPIED));
 120             } else if (state == GroupCommand.STATE_GRP_UNOCCUPIED) {
 121                 updateState(CHANNEL_GROUPSTATE, new StringType(STATE_UNOCCUPIED));
 122             } else if (state == GroupCommand.STATE_GRP_UNKNOWN) {
 123                 updateState(CHANNEL_GROUPSTATE, new StringType(STATE_UNKNOWN));
 124             } else {
 125                 logger.debug("Invalid occupancy state received: {}", state);
 126                 updateState(CHANNEL_GROUPSTATE, new StringType(STATE_UNKNOWN));
 127             }
 128         }
 129     }
 130 }