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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.ihc.internal;
  14
  15 import static org.openhab.binding.ihc.internal.IhcBindingConstants.THING_CONTROLLER;
  16
  17 import java.util.Collections;
  18 import java.util.Set;
  19 import java.util.stream.Collectors;
  20 import java.util.stream.Stream;
  21
  22 import org.eclipse.jdt.annotation.NonNullByDefault;
  23 import org.eclipse.jdt.annotation.Nullable;
  24 import org.openhab.binding.ihc.internal.handler.IhcHandler;
  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.osgi.service.component.annotations.Component;
  31
  32 /**
  33  * The {@link IhcHandlerFactory} is responsible for creating things and thing
  34  * handlers.
  35  *
  36  * @author Pauli Anttila - Initial contribution
  37  */
  38 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.ihc")
  39 @NonNullByDefault
  40 public class IhcHandlerFactory extends BaseThingHandlerFactory {
  41
  42     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Collections
  43             .unmodifiableSet(Stream.of(THING_CONTROLLER).collect(Collectors.toSet()));
  44
  45     @Override
  46     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  47         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  48     }
  49
  50     @Override
  51     protected @Nullable ThingHandler createHandler(Thing thing) {
  52         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  53
  54         if (thingTypeUID.equals(THING_CONTROLLER)) {
  55             return new IhcHandler(thing);
  56         }
  57
  58         return null;
  59     }
  60 }