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

   1 /**
   2  * Copyright (c) 2010-2020 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.library.types.DecimalType;
  26 import org.openhab.core.thing.Bridge;
  27 import org.openhab.core.thing.Thing;
  28 import org.openhab.core.thing.ThingTypeUID;
  29 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  30 import org.openhab.core.thing.binding.ThingHandler;
  31 import org.openhab.core.thing.binding.ThingHandlerFactory;
  32 import org.osgi.service.component.annotations.Activate;
  33 import org.osgi.service.component.annotations.Component;
  34 import org.osgi.service.component.annotations.Reference;
  35
  36 import com.google.gson.FieldNamingPolicy;
  37 import com.google.gson.Gson;
  38 import com.google.gson.GsonBuilder;
  39 import com.google.gson.JsonDeserializer;
  40
  41 /**
  42  * The {@link OpenUVHandlerFactory} is responsible for creating things and thing
  43  * handlers.
  44  *
  45  * @author Gaël L'hopital - Initial contribution
  46  */
  47 @NonNullByDefault
  48 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.openuv")
  49 public class OpenUVHandlerFactory extends BaseThingHandlerFactory {
  50
  51     private final LocationProvider locationProvider;
  52     private final Gson gson;
  53
  54     @Activate
  55     public OpenUVHandlerFactory(@Reference TimeZoneProvider timeZoneProvider,
  56             @Reference LocationProvider locationProvider) {
  57         this.locationProvider = locationProvider;
  58         this.gson = new GsonBuilder()
  59                 .registerTypeAdapter(DecimalType.class,
  60                         (JsonDeserializer<DecimalType>) (json, type, jsonDeserializationContext) -> DecimalType
  61                                 .valueOf(json.getAsJsonPrimitive().getAsString()))
  62                 .registerTypeAdapter(ZonedDateTime.class,
  63                         (JsonDeserializer<ZonedDateTime>) (json, type, jsonDeserializationContext) -> ZonedDateTime
  64                                 .parse(json.getAsJsonPrimitive().getAsString())
  65                                 .withZoneSameInstant(timeZoneProvider.getTimeZone()))
  66                 .setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES).create();
  67     }
  68
  69     @Override
  70     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  71         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID) || BRIDGE_THING_TYPES_UIDS.contains(thingTypeUID);
  72     }
  73
  74     @Override
  75     protected @Nullable ThingHandler createHandler(Thing thing) {
  76         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  77
  78         return APIBRIDGE_THING_TYPE.equals(thingTypeUID)
  79                 ? new OpenUVBridgeHandler((Bridge) thing, locationProvider, gson)
  80                 : LOCATION_REPORT_THING_TYPE.equals(thingTypeUID) ? new OpenUVReportHandler(thing) : null;
  81     }
  82 }