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   1 /**
   2  * Copyright (c) 2010-2022 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.wundergroundupdatereceiver.internal;
  14
  15 import static org.openhab.binding.wundergroundupdatereceiver.internal.WundergroundUpdateReceiverBindingConstants.THING_TYPE_UPDATE_RECEIVER;
  16
  17 import org.eclipse.jdt.annotation.NonNullByDefault;
  18 import org.eclipse.jdt.annotation.Nullable;
  19 import org.openhab.core.thing.Thing;
  20 import org.openhab.core.thing.ThingTypeUID;
  21 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  22 import org.openhab.core.thing.binding.ThingHandler;
  23 import org.openhab.core.thing.binding.ThingHandlerFactory;
  24 import org.openhab.core.thing.type.ChannelTypeRegistry;
  25 import org.osgi.service.component.ComponentContext;
  26 import org.osgi.service.component.annotations.Activate;
  27 import org.osgi.service.component.annotations.Component;
  28 import org.osgi.service.component.annotations.Reference;
  29 import org.osgi.service.http.HttpService;
  30
  31 /**
  32  * The {@link WundergroundUpdateReceiverHandlerFactory} is responsible for creating things and thing
  33  * handlers.
  34  *
  35  * @author Daniel Demus - Initial contribution
  36  */
  37 @NonNullByDefault
  38 @Component(configurationPid = "binding.wundergroundupdatereceiver", service = ThingHandlerFactory.class)
  39 public class WundergroundUpdateReceiverHandlerFactory extends BaseThingHandlerFactory {
  40
  41     private final WundergroundUpdateReceiverDiscoveryService discoveryService;
  42     private final ChannelTypeRegistry channelTypeRegistry;
  43     private final WundergroundUpdateReceiverUnknownChannelTypeProvider channelTypeProvider;
  44     private final WundergroundUpdateReceiverServlet wunderGroundUpdateReceiverServlet;
  45
  46     @Activate
  47     public WundergroundUpdateReceiverHandlerFactory(@Reference HttpService httpService,
  48             @Reference WundergroundUpdateReceiverDiscoveryService discoveryService,
  49             @Reference WundergroundUpdateReceiverUnknownChannelTypeProvider channelTypeProvider,
  50             @Reference ChannelTypeRegistry channelTypeRegistry) {
  51         this.discoveryService = discoveryService;
  52         this.channelTypeRegistry = channelTypeRegistry;
  53         this.channelTypeProvider = channelTypeProvider;
  54         this.wunderGroundUpdateReceiverServlet = new WundergroundUpdateReceiverServlet(httpService,
  55                 this.discoveryService);
  56         this.discoveryService.servletControls = this.wunderGroundUpdateReceiverServlet;
  57         if (this.discoveryService.isBackgroundDiscoveryEnabled()) {
  58             this.wunderGroundUpdateReceiverServlet.activate();
  59         }
  60     }
  61
  62     @Override
  63     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  64         return WundergroundUpdateReceiverBindingConstants.SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  65     }
  66
  67     @Override
  68     protected @Nullable ThingHandler createHandler(Thing thing) {
  69         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  70
  71         if (THING_TYPE_UPDATE_RECEIVER.equals(thingTypeUID)) {
  72             return new WundergroundUpdateReceiverHandler(thing, this.wunderGroundUpdateReceiverServlet,
  73                     this.discoveryService, this.channelTypeProvider, this.channelTypeRegistry);
  74         }
  75
  76         return null;
  77     }
  78
  79     @Override
  80     protected void deactivate(ComponentContext componentContext) {
  81         this.wunderGroundUpdateReceiverServlet.deactivate();
  82         this.wunderGroundUpdateReceiverServlet.dispose();
  83         super.deactivate(componentContext);
  84     }
  85 }