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   1 /**
   2  * Copyright (c) 2010-2023 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.lifx.internal;
  14
  15 import static org.openhab.binding.lifx.internal.LifxBindingConstants.SUPPORTED_THING_TYPES;
  16
  17 import org.eclipse.jdt.annotation.NonNullByDefault;
  18 import org.eclipse.jdt.annotation.Nullable;
  19 import org.openhab.binding.lifx.internal.handler.LifxLightHandler;
  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.ComponentContext;
  26 import org.osgi.service.component.annotations.Component;
  27 import org.osgi.service.component.annotations.Reference;
  28
  29 /**
  30  * The {@link LifxHandlerFactory} is responsible for creating things and thing handlers.
  31  *
  32  * @author Dennis Nobel - Initial contribution
  33  * @author Karel Goderis - Remove dependency on external libraries
  34  */
  35 @NonNullByDefault
  36 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.lifx")
  37 public class LifxHandlerFactory extends BaseThingHandlerFactory {
  38
  39     private @NonNullByDefault({}) LifxChannelFactory channelFactory;
  40
  41     @Override
  42     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  43         return SUPPORTED_THING_TYPES.contains(thingTypeUID);
  44     }
  45
  46     @Override
  47     protected void activate(ComponentContext componentContext) {
  48         super.activate(componentContext);
  49     }
  50
  51     @Override
  52     protected @Nullable ThingHandler createHandler(Thing thing) {
  53         if (supportsThingType(thing.getThingTypeUID())) {
  54             return new LifxLightHandler(thing, channelFactory);
  55         }
  56
  57         return null;
  58     }
  59
  60     @Override
  61     protected void deactivate(ComponentContext componentContext) {
  62         super.deactivate(componentContext);
  63     }
  64
  65     @Reference
  66     protected void setChannelFactory(LifxChannelFactory channelFactory) {
  67         this.channelFactory = channelFactory;
  68     }
  69
  70     protected void unsetChannelFactory(LifxChannelFactory channelFactory) {
  71         this.channelFactory = null;
  72     }
  73 }