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   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.wled.internal;
  14
  15 import static org.openhab.binding.wled.internal.WLedBindingConstants.SUPPORTED_THING_TYPES;
  16
  17 import org.eclipse.jdt.annotation.NonNullByDefault;
  18 import org.eclipse.jdt.annotation.Nullable;
  19 import org.openhab.binding.wled.internal.api.WledApiFactory;
  20 import org.openhab.core.thing.Thing;
  21 import org.openhab.core.thing.ThingTypeUID;
  22 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  23 import org.openhab.core.thing.binding.ThingHandler;
  24 import org.openhab.core.thing.binding.ThingHandlerFactory;
  25 import org.osgi.service.component.annotations.Activate;
  26 import org.osgi.service.component.annotations.Component;
  27 import org.osgi.service.component.annotations.Reference;
  28
  29 /**
  30  * The {@link WLedHandlerFactory} is responsible for creating things and thing
  31  * handlers.
  32  *
  33  * @author Matthew Skinner - Initial contribution
  34  */
  35 @NonNullByDefault
  36 @Component(configurationPid = "binding.wled", service = ThingHandlerFactory.class)
  37 public class WLedHandlerFactory extends BaseThingHandlerFactory {
  38     private final WledDynamicStateDescriptionProvider stateDescriptionProvider;
  39     private final WledApiFactory apiFactory;
  40
  41     @Activate
  42     public WLedHandlerFactory(@Reference WledApiFactory apiFactory,
  43             final @Reference WledDynamicStateDescriptionProvider stateDescriptionProvider) {
  44         this.apiFactory = apiFactory;
  45         this.stateDescriptionProvider = stateDescriptionProvider;
  46     }
  47
  48     @Override
  49     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  50         return SUPPORTED_THING_TYPES.contains(thingTypeUID);
  51     }
  52
  53     @Override
  54     protected @Nullable ThingHandler createHandler(Thing thing) {
  55         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  56         if (SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
  57             return new WLedHandler(thing, apiFactory, stateDescriptionProvider);
  58         }
  59         return null;
  60     }
  61 }