git.basschouten.com Git - openhab-addons.git/blob

   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.harmonyhub.internal;
  14
  15 import java.util.HashMap;
  16 import java.util.Hashtable;
  17 import java.util.Map;
  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.eclipse.jetty.client.HttpClient;
  25 import org.openhab.binding.harmonyhub.internal.discovery.HarmonyDeviceDiscoveryService;
  26 import org.openhab.binding.harmonyhub.internal.handler.HarmonyDeviceHandler;
  27 import org.openhab.binding.harmonyhub.internal.handler.HarmonyHubHandler;
  28 import org.openhab.core.config.discovery.DiscoveryService;
  29 import org.openhab.core.io.net.http.HttpClientFactory;
  30 import org.openhab.core.thing.Bridge;
  31 import org.openhab.core.thing.Thing;
  32 import org.openhab.core.thing.ThingTypeUID;
  33 import org.openhab.core.thing.ThingUID;
  34 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  35 import org.openhab.core.thing.binding.ThingHandler;
  36 import org.openhab.core.thing.binding.ThingHandlerFactory;
  37 import org.osgi.framework.ServiceRegistration;
  38 import org.osgi.service.component.annotations.Activate;
  39 import org.osgi.service.component.annotations.Component;
  40 import org.osgi.service.component.annotations.Reference;
  41
  42 /**
  43  * The {@link HarmonyHubHandlerFactory} is responsible for creating things and thing
  44  * handlers.
  45  *
  46  * @author Dan Cunningham - Initial contribution
  47  * @author Wouter Born - Add null annotations
  48  */
  49 @NonNullByDefault
  50 @Component(service = { ThingHandlerFactory.class }, configurationPid = "binding.harmonyhub")
  51 public class HarmonyHubHandlerFactory extends BaseThingHandlerFactory {
  52
  53     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Stream
  54             .concat(HarmonyHubHandler.SUPPORTED_THING_TYPES_UIDS.stream(),
  55                     HarmonyDeviceHandler.SUPPORTED_THING_TYPES_UIDS.stream())
  56             .collect(Collectors.toSet());
  57
  58     private final Map<ThingUID, ServiceRegistration<?>> discoveryServiceRegs = new HashMap<>();
  59     private final HttpClient httpClient;
  60
  61     private final HarmonyHubDynamicTypeProvider dynamicTypeProvider;
  62
  63     @Activate
  64     public HarmonyHubHandlerFactory(@Reference final HttpClientFactory httpClientFactory,
  65             @Reference HarmonyHubDynamicTypeProvider dynamicTypeProvider) {
  66         this.httpClient = httpClientFactory.getCommonHttpClient();
  67         this.dynamicTypeProvider = dynamicTypeProvider;
  68     }
  69
  70     @Override
  71     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  72         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  73     }
  74
  75     @Override
  76     protected @Nullable ThingHandler createHandler(Thing thing) {
  77         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  78
  79         if (thingTypeUID.equals(HarmonyHubBindingConstants.HARMONY_HUB_THING_TYPE)) {
  80             HarmonyHubHandler harmonyHubHandler = new HarmonyHubHandler((Bridge) thing, dynamicTypeProvider,
  81                     httpClient);
  82             registerHarmonyDeviceDiscoveryService(harmonyHubHandler);
  83             return harmonyHubHandler;
  84         }
  85
  86         if (thingTypeUID.equals(HarmonyHubBindingConstants.HARMONY_DEVICE_THING_TYPE)) {
  87             return new HarmonyDeviceHandler(thing, dynamicTypeProvider);
  88         }
  89
  90         return null;
  91     }
  92
  93     @Override
  94     protected synchronized void removeHandler(ThingHandler thingHandler) {
  95         if (thingHandler instanceof HarmonyHubHandler) {
  96             ServiceRegistration<?> serviceReg = this.discoveryServiceRegs.remove(thingHandler.getThing().getUID());
  97             if (serviceReg != null) {
  98                 serviceReg.unregister();
  99             }
 100         }
 101     }
 102
 103     /**
 104      * Adds HarmonyHubHandler to the discovery service to find Harmony Devices
 105      *
 106      * @param harmonyHubHandler
 107      */
 108     private synchronized void registerHarmonyDeviceDiscoveryService(HarmonyHubHandler harmonyHubHandler) {
 109         HarmonyDeviceDiscoveryService discoveryService = new HarmonyDeviceDiscoveryService(harmonyHubHandler);
 110         this.discoveryServiceRegs.put(harmonyHubHandler.getThing().getUID(),
 111                 bundleContext.registerService(DiscoveryService.class.getName(), discoveryService, new Hashtable<>()));
 112     }
 113 }