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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.pjlinkdevice.internal;
  14
  15 import static org.openhab.binding.pjlinkdevice.internal.PJLinkDeviceBindingConstants.THING_TYPE_PJLINK;
  16
  17 import java.util.Collections;
  18 import java.util.Set;
  19
  20 import org.eclipse.jdt.annotation.NonNullByDefault;
  21 import org.eclipse.jdt.annotation.Nullable;
  22 import org.openhab.core.thing.Thing;
  23 import org.openhab.core.thing.ThingTypeUID;
  24 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  25 import org.openhab.core.thing.binding.ThingHandler;
  26 import org.openhab.core.thing.binding.ThingHandlerFactory;
  27 import org.osgi.service.component.annotations.Activate;
  28 import org.osgi.service.component.annotations.Component;
  29 import org.osgi.service.component.annotations.Reference;
  30
  31 /**
  32  * The {@link PJLinkDeviceHandlerFactory} is responsible for creating things and thing
  33  * handlers.
  34  *
  35  * @author Nils Schnabel - Initial contribution
  36  */
  37 @NonNullByDefault
  38 @Component(configurationPid = "binding.pjlinkdevice", service = { ThingHandlerFactory.class })
  39 public class PJLinkDeviceHandlerFactory extends BaseThingHandlerFactory {
  40     private InputChannelStateDescriptionProvider stateDescriptionProvider;
  41     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Collections.singleton(THING_TYPE_PJLINK);
  42
  43     @Activate
  44     public PJLinkDeviceHandlerFactory(@Reference InputChannelStateDescriptionProvider provider) {
  45         this.stateDescriptionProvider = provider;
  46     }
  47
  48     @Override
  49     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  50         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  51     }
  52
  53     @Override
  54     protected @Nullable ThingHandler createHandler(Thing thing) {
  55         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  56         if (THING_TYPE_PJLINK.equals(thingTypeUID)) {
  57             return new PJLinkDeviceHandler(thing, this.stateDescriptionProvider);
  58         }
  59
  60         return null;
  61     }
  62 }