git.basschouten.com Git - openhab-addons.git/blob

   1 /**
   2  * Copyright (c) 2010-2021 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.openuv.internal;
  14
  15 import static org.openhab.binding.openuv.internal.OpenUVBindingConstants.*;
  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.openuv.internal.handler.OpenUVBridgeHandler;
  22 import org.openhab.binding.openuv.internal.handler.OpenUVReportHandler;
  23 import org.openhab.core.i18n.LocationProvider;
  24 import org.openhab.core.i18n.TimeZoneProvider;
  25 import org.openhab.core.thing.Bridge;
  26 import org.openhab.core.thing.Thing;
  27 import org.openhab.core.thing.ThingTypeUID;
  28 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  29 import org.openhab.core.thing.binding.ThingHandler;
  30 import org.openhab.core.thing.binding.ThingHandlerFactory;
  31 import org.osgi.service.component.annotations.Activate;
  32 import org.osgi.service.component.annotations.Component;
  33 import org.osgi.service.component.annotations.Reference;
  34
  35 import com.google.gson.FieldNamingPolicy;
  36 import com.google.gson.Gson;
  37 import com.google.gson.GsonBuilder;
  38 import com.google.gson.JsonDeserializer;
  39
  40 /**
  41  * The {@link OpenUVHandlerFactory} is responsible for creating things and thing
  42  * handlers.
  43  *
  44  * @author Gaël L'hopital - Initial contribution
  45  */
  46 @NonNullByDefault
  47 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.openuv")
  48 public class OpenUVHandlerFactory extends BaseThingHandlerFactory {
  49
  50     private final LocationProvider locationProvider;
  51     private final Gson gson;
  52
  53     @Activate
  54     public OpenUVHandlerFactory(@Reference TimeZoneProvider timeZoneProvider,
  55             @Reference LocationProvider locationProvider) {
  56         this.locationProvider = locationProvider;
  57         this.gson = new GsonBuilder()
  58                 .registerTypeAdapter(ZonedDateTime.class,
  59                         (JsonDeserializer<ZonedDateTime>) (json, type, jsonDeserializationContext) -> ZonedDateTime
  60                                 .parse(json.getAsJsonPrimitive().getAsString())
  61                                 .withZoneSameInstant(timeZoneProvider.getTimeZone()))
  62                 .setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES).create();
  63     }
  64
  65     @Override
  66     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  67         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID) || BRIDGE_THING_TYPES_UIDS.contains(thingTypeUID);
  68     }
  69
  70     @Override
  71     protected @Nullable ThingHandler createHandler(Thing thing) {
  72         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  73
  74         return APIBRIDGE_THING_TYPE.equals(thingTypeUID)
  75                 ? new OpenUVBridgeHandler((Bridge) thing, locationProvider, gson)
  76                 : LOCATION_REPORT_THING_TYPE.equals(thingTypeUID) ? new OpenUVReportHandler(thing) : null;
  77     }
  78 }