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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.vitotronic.internal.handler;
  14
  15 import org.openhab.core.library.types.DateTimeType;
  16 import org.openhab.core.library.types.DecimalType;
  17 import org.openhab.core.library.types.OnOffType;
  18 import org.openhab.core.library.types.StringType;
  19 import org.openhab.core.thing.Bridge;
  20 import org.openhab.core.thing.Channel;
  21 import org.openhab.core.thing.ChannelUID;
  22 import org.openhab.core.thing.Thing;
  23 import org.openhab.core.thing.ThingStatus;
  24 import org.openhab.core.thing.binding.BaseThingHandler;
  25 import org.openhab.core.thing.binding.ThingHandler;
  26 import org.openhab.core.types.Command;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 /**
  31  * The {@link VitotronicHandler} is responsible for handling commands, which are
  32  * sent to one of the channels.
  33  *
  34  * @author Stefan Andres - Initial contribution
  35  */
  36
  37 public class VitotronicThingHandler extends BaseThingHandler {
  38
  39     private final Logger logger = LoggerFactory.getLogger(VitotronicThingHandler.class);
  40
  41     private VitotronicBridgeHandler bridgeHandler;
  42
  43     public VitotronicThingHandler(Thing thing) {
  44         super(thing);
  45     }
  46
  47     @Override
  48     public void initialize() {
  49         bridgeHandler = getBridgeHandler();
  50         logger.debug("Thing Handler for {} started", getThing().getUID().getId());
  51         registerVitotronicThingListener(bridgeHandler);
  52     }
  53
  54     @Override
  55     public void dispose() {
  56         logger.debug("Thing Handler for {} stop", getThing().getUID().getId());
  57         unregisterVitotronicThingListener(bridgeHandler);
  58     }
  59
  60     @Override
  61     public void handleCommand(ChannelUID channelUID, Command command) {
  62         logger.trace("Handle command for channel '{}' command '{}'", channelUID.getId(), command);
  63         bridgeHandler.updateChannel(getThing().getUID().getId(), channelUID.getId(), command.toString());
  64     }
  65
  66     @Override
  67     public void updateStatus(ThingStatus status) {
  68         super.updateStatus(status);
  69     }
  70
  71     private synchronized VitotronicBridgeHandler getBridgeHandler() {
  72         Bridge bridge = getBridge();
  73         if (bridge == null) {
  74             logger.debug("Required bridge not defined for device {}.", getThing().getUID());
  75             return null;
  76         } else {
  77             return getBridgeHandler(bridge);
  78         }
  79     }
  80
  81     private synchronized VitotronicBridgeHandler getBridgeHandler(Bridge bridge) {
  82         VitotronicBridgeHandler bridgeHandler = null;
  83
  84         ThingHandler handler = bridge.getHandler();
  85         if (handler instanceof VitotronicBridgeHandler) {
  86             bridgeHandler = (VitotronicBridgeHandler) handler;
  87         } else {
  88             logger.debug("No available bridge handler found yet. Bridge: {} .", bridge.getUID());
  89             bridgeHandler = null;
  90         }
  91         return bridgeHandler;
  92     }
  93
  94     private void registerVitotronicThingListener(VitotronicBridgeHandler bridgeHandler) {
  95         if (bridgeHandler != null) {
  96             bridgeHandler.registerVitotronicThingListener(this);
  97         } else {
  98             logger.debug("Can't register {} at bridge bridgeHandler is null.", this.getThing().getUID());
  99         }
 100     }
 101
 102     private void unregisterVitotronicThingListener(VitotronicBridgeHandler bridgeHandler) {
 103         if (bridgeHandler != null) {
 104             bridgeHandler.unregisterThingListener(this);
 105         } else {
 106             logger.debug("Can't unregister {} at bridge bridgeHandler is null.", this.getThing().getUID());
 107         }
 108     }
 109
 110     public void setChannelValue(String channelId, String value) {
 111         Channel channel = getThing().getChannel(channelId);
 112         if (channel == null) {
 113             logger.trace("Cannel '{}:{}' not implemented", getThing().getUID().getId(), channelId);
 114             return;
 115         }
 116
 117         logger.trace("Set {}:{}:{} = {}", getThing().getUID().getId(), channelId, channel.getAcceptedItemType(), value);
 118         switch (channel.getAcceptedItemType()) {
 119             case "Number":
 120                 this.updateState(channelId, new DecimalType(value));
 121                 break;
 122             case "String":
 123                 this.updateState(channelId, new StringType(value));
 124                 break;
 125             case "Switch":
 126                 if (value.toUpperCase().contains("ON")) {
 127                     this.updateState(channelId, OnOffType.ON);
 128                 } else {
 129                     this.updateState(channelId, OnOffType.OFF);
 130                 }
 131                 break;
 132             case "DateTime":
 133                 this.updateState(channelId, new DateTimeType(value));
 134                 break;
 135             default:
 136                 logger.trace("Type '{}' for channel '{}' not implemented", channel.getAcceptedItemType(), channelId);
 137         }
 138     }
 139
 140     public String getActiveChannelListAsString() {
 141         String channelList = "";
 142         for (Channel channel : getThing().getChannels()) {
 143             if (isLinked(channel.getUID().getId())) {
 144                 if (channelList.length() > 0) {
 145                     channelList = channelList + "," + channel.getUID().getId();
 146                 } else {
 147                     channelList = channel.getUID().getId();
 148                 }
 149             }
 150         }
 151         return channelList;
 152     }
 153 }