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   1 /**
   2  * Copyright (c) 2010-2024 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.meteoalerte.internal;
  14
  15 import static org.openhab.binding.meteoalerte.internal.MeteoAlerteBindingConstants.THING_TYPE_METEO_ALERT;
  16
  17 import java.time.ZonedDateTime;
  18
  19 import org.eclipse.jdt.annotation.NonNullByDefault;
  20 import org.eclipse.jdt.annotation.Nullable;
  21 import org.openhab.binding.meteoalerte.internal.handler.MeteoAlerteHandler;
  22 import org.openhab.core.i18n.TimeZoneProvider;
  23 import org.openhab.core.thing.Thing;
  24 import org.openhab.core.thing.ThingTypeUID;
  25 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  26 import org.openhab.core.thing.binding.ThingHandler;
  27 import org.openhab.core.thing.binding.ThingHandlerFactory;
  28 import org.osgi.service.component.annotations.Activate;
  29 import org.osgi.service.component.annotations.Component;
  30 import org.osgi.service.component.annotations.Reference;
  31
  32 import com.google.gson.Gson;
  33 import com.google.gson.GsonBuilder;
  34 import com.google.gson.JsonDeserializer;
  35
  36 /**
  37  * The {@link MeteoAlerteHandlerFactory} is responsible for creating things and thing handlers.
  38  *
  39  * @author Gaël L'hopital - Initial contribution
  40  */
  41 @Component(service = ThingHandlerFactory.class)
  42 @NonNullByDefault
  43 public class MeteoAlerteHandlerFactory extends BaseThingHandlerFactory {
  44     private final Gson gson;
  45     private final MeteoAlertIconProvider iconProvider;
  46
  47     @Activate
  48     public MeteoAlerteHandlerFactory(@Reference TimeZoneProvider timeZoneProvider,
  49             @Reference MeteoAlertIconProvider iconProvider) {
  50         this.iconProvider = iconProvider;
  51         this.gson = new GsonBuilder().registerTypeAdapter(ZonedDateTime.class,
  52                 (JsonDeserializer<ZonedDateTime>) (json, type, jsonDeserializationContext) -> ZonedDateTime
  53                         .parse(json.getAsJsonPrimitive().getAsString())
  54                         .withZoneSameInstant(timeZoneProvider.getTimeZone()))
  55                 .create();
  56     }
  57
  58     @Override
  59     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  60         return THING_TYPE_METEO_ALERT.equals(thingTypeUID);
  61     }
  62
  63     @Override
  64     protected @Nullable ThingHandler createHandler(Thing thing) {
  65         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  66
  67         return supportsThingType(thingTypeUID) ? new MeteoAlerteHandler(thing, gson, iconProvider) : null;
  68     }
  69 }