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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.mqtt.homeassistant.generic.internal;
  14
  15 import java.util.Set;
  16 import java.util.stream.Collectors;
  17 import java.util.stream.Stream;
  18
  19 import org.eclipse.jdt.annotation.NonNullByDefault;
  20 import org.eclipse.jdt.annotation.Nullable;
  21 import org.openhab.binding.mqtt.generic.MqttChannelStateDescriptionProvider;
  22 import org.openhab.binding.mqtt.generic.MqttChannelTypeProvider;
  23 import org.openhab.binding.mqtt.generic.TransformationServiceProvider;
  24 import org.openhab.binding.mqtt.homeassistant.internal.handler.HomeAssistantThingHandler;
  25 import org.openhab.core.thing.Thing;
  26 import org.openhab.core.thing.ThingTypeUID;
  27 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  28 import org.openhab.core.thing.binding.ThingHandler;
  29 import org.openhab.core.thing.binding.ThingHandlerFactory;
  30 import org.openhab.core.thing.type.ChannelTypeRegistry;
  31 import org.openhab.core.transform.TransformationHelper;
  32 import org.openhab.core.transform.TransformationService;
  33 import org.osgi.service.component.annotations.Activate;
  34 import org.osgi.service.component.annotations.Component;
  35 import org.osgi.service.component.annotations.Reference;
  36
  37 /**
  38  * The {@link MqttThingHandlerFactory} is responsible for creating things and thing
  39  * handlers.
  40  *
  41  * @author David Graeff - Initial contribution
  42  */
  43 @Component(service = ThingHandlerFactory.class)
  44 @NonNullByDefault
  45 public class MqttThingHandlerFactory extends BaseThingHandlerFactory implements TransformationServiceProvider {
  46     private final MqttChannelTypeProvider typeProvider;
  47     private final MqttChannelStateDescriptionProvider stateDescriptionProvider;
  48     private final ChannelTypeRegistry channelTypeRegistry;
  49
  50     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Stream
  51             .of(MqttBindingConstants.HOMEASSISTANT_MQTT_THING).collect(Collectors.toSet());
  52
  53     @Activate
  54     public MqttThingHandlerFactory(final @Reference MqttChannelTypeProvider typeProvider,
  55             final @Reference MqttChannelStateDescriptionProvider stateDescriptionProvider,
  56             final @Reference ChannelTypeRegistry channelTypeRegistry) {
  57         this.typeProvider = typeProvider;
  58         this.stateDescriptionProvider = stateDescriptionProvider;
  59         this.channelTypeRegistry = channelTypeRegistry;
  60     }
  61
  62     @Override
  63     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  64         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID) || isHomeassistantDynamicType(thingTypeUID);
  65     }
  66
  67     private boolean isHomeassistantDynamicType(ThingTypeUID thingTypeUID) {
  68         return MqttBindingConstants.BINDING_ID.equals(thingTypeUID.getBindingId())
  69                 && thingTypeUID.getId().startsWith(MqttBindingConstants.HOMEASSISTANT_MQTT_THING.getId());
  70     }
  71
  72     @Override
  73     protected @Nullable ThingHandler createHandler(Thing thing) {
  74         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  75
  76         if (supportsThingType(thingTypeUID)) {
  77             return new HomeAssistantThingHandler(thing, typeProvider, stateDescriptionProvider, channelTypeRegistry,
  78                     this, 10000, 2000);
  79         }
  80         return null;
  81     }
  82
  83     @Override
  84     public @Nullable TransformationService getTransformationService(String type) {
  85         return TransformationHelper.getTransformationService(bundleContext, type);
  86     }
  87 }