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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.plex.internal;
  14
  15 import static org.openhab.binding.plex.internal.PlexBindingConstants.*;
  16
  17 import java.util.Hashtable;
  18
  19 import org.eclipse.jdt.annotation.NonNullByDefault;
  20 import org.eclipse.jdt.annotation.Nullable;
  21 import org.openhab.binding.plex.discovery.PlexDiscoveryService;
  22 import org.openhab.binding.plex.internal.handler.PlexPlayerHandler;
  23 import org.openhab.binding.plex.internal.handler.PlexServerHandler;
  24 import org.openhab.core.config.discovery.DiscoveryService;
  25 import org.openhab.core.io.net.http.HttpClientFactory;
  26 import org.openhab.core.thing.Bridge;
  27 import org.openhab.core.thing.Thing;
  28 import org.openhab.core.thing.ThingTypeUID;
  29 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  30 import org.openhab.core.thing.binding.ThingHandler;
  31 import org.openhab.core.thing.binding.ThingHandlerFactory;
  32 import org.osgi.framework.ServiceRegistration;
  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 PlexHandlerFactory} is responsible for creating things and thing
  39  * handlers.
  40  *
  41  * @author Brian Homeyer - Initial contribution
  42  * @author Aron Beurskens - Binding development
  43  */
  44 @NonNullByDefault
  45 @Component(configurationPid = "binding.plex", service = ThingHandlerFactory.class)
  46 public class PlexHandlerFactory extends BaseThingHandlerFactory {
  47     private final HttpClientFactory httpClientFactory;
  48     private @Nullable ServiceRegistration<?> plexDiscoveryServiceRegistration;
  49
  50     @Activate
  51     public PlexHandlerFactory(final @Reference HttpClientFactory httpClientFactory) {
  52         this.httpClientFactory = httpClientFactory;
  53     }
  54
  55     @Override
  56     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  57         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  58     }
  59
  60     @Override
  61     protected @Nullable ThingHandler createHandler(Thing thing) {
  62         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  63         if (SUPPORTED_SERVER_THING_TYPES_UIDS.contains(thingTypeUID)) {
  64             PlexServerHandler handler = new PlexServerHandler((Bridge) thing, httpClientFactory);
  65             registerPlexDiscoveryService(handler);
  66             return handler;
  67         } else if (SUPPORTED_PLAYER_THING_TYPES_UIDS.contains(thingTypeUID)) {
  68             return new PlexPlayerHandler(thing);
  69         }
  70         return null;
  71     }
  72
  73     @Override
  74     protected synchronized void removeHandler(ThingHandler thingHandler) {
  75         if (thingHandler instanceof PlexServerHandler) {
  76             ServiceRegistration<?> plexDiscoveryServiceRegistration = this.plexDiscoveryServiceRegistration;
  77             if (plexDiscoveryServiceRegistration != null) {
  78                 // remove discovery service, if bridge handler is removed
  79                 plexDiscoveryServiceRegistration.unregister();
  80             }
  81         }
  82     }
  83
  84     private void registerPlexDiscoveryService(PlexServerHandler handler) {
  85         PlexDiscoveryService discoveryService = new PlexDiscoveryService(handler);
  86         if (bundleContext != null) {
  87             this.plexDiscoveryServiceRegistration = bundleContext.registerService(DiscoveryService.class.getName(),
  88                     discoveryService, new Hashtable<>());
  89         }
  90     }
  91 }