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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.dwdpollenflug.internal.handler;
  14
  15 import org.eclipse.jdt.annotation.NonNullByDefault;
  16 import org.eclipse.jdt.annotation.Nullable;
  17 import org.openhab.binding.dwdpollenflug.internal.config.DWDPollenflugRegionConfiguration;
  18 import org.openhab.binding.dwdpollenflug.internal.dto.DWDPollenflug;
  19 import org.openhab.binding.dwdpollenflug.internal.dto.DWDRegion;
  20 import org.openhab.core.thing.Bridge;
  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.ThingStatusDetail;
  25 import org.openhab.core.thing.binding.BaseThingHandler;
  26 import org.openhab.core.thing.binding.ThingHandler;
  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  * The {@link DWDPollenflugRegionHandler} is the handler for bridge thing
  34  *
  35  * @author Johannes Ott - Initial contribution
  36  */
  37 @NonNullByDefault
  38 public class DWDPollenflugRegionHandler extends BaseThingHandler {
  39
  40     private final Logger logger = LoggerFactory.getLogger(DWDPollenflugRegionHandler.class);
  41
  42     private DWDPollenflugRegionConfiguration thingConfig = new DWDPollenflugRegionConfiguration();
  43
  44     public DWDPollenflugRegionHandler(Thing thing) {
  45         super(thing);
  46     }
  47
  48     @Override
  49     public void initialize() {
  50         logger.debug("Initializing DWD Pollenflug region handler");
  51         thingConfig = getConfigAs(DWDPollenflugRegionConfiguration.class);
  52
  53         if (thingConfig.isValid()) {
  54             DWDPollenflugBridgeHandler handler = getBridgeHandler();
  55             if (handler == null) {
  56                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, "Bridge handler missing");
  57             } else {
  58                 updateStatus(ThingStatus.ONLINE);
  59             }
  60         } else {
  61             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, "No valid region id given.");
  62         }
  63     }
  64
  65     private @Nullable DWDPollenflugBridgeHandler getBridgeHandler() {
  66         Bridge bridge = getBridge();
  67         if (bridge != null) {
  68             ThingHandler handler = bridge.getHandler();
  69             if (handler instanceof DWDPollenflugBridgeHandler) {
  70                 DWDPollenflugBridgeHandler bridgeHandler = (DWDPollenflugBridgeHandler) handler;
  71                 return bridgeHandler;
  72             }
  73         }
  74
  75         return null;
  76     }
  77
  78     @Override
  79     public void dispose() {
  80         logger.debug("DWDPollenflug region handler disposes.");
  81     }
  82
  83     @Override
  84     public void handleCommand(ChannelUID channelUID, Command command) {
  85         if (command instanceof RefreshType) {
  86             refresh();
  87         }
  88     }
  89
  90     private void refresh() {
  91         DWDPollenflugBridgeHandler handler = getBridgeHandler();
  92         if (handler != null) {
  93             DWDPollenflug pollenflug = handler.getPollenflug();
  94             if (pollenflug != null) {
  95                 notifyOnUpdate(pollenflug);
  96             }
  97         }
  98     }
  99
 100     public void notifyOnUpdate(DWDPollenflug pollenflug) {
 101         DWDRegion region = pollenflug.getRegion(thingConfig.regionID);
 102         if (region == null) {
 103             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, "Region not found");
 104             return;
 105         }
 106
 107         updateStatus(ThingStatus.ONLINE);
 108         updateProperties(region.getProperties());
 109
 110         region.getChannelsStateMap().forEach(this::updateState);
 111     }
 112 }