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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.icloud.internal;
  14
  15 import static org.openhab.binding.icloud.internal.ICloudBindingConstants.*;
  16
  17 import java.util.HashMap;
  18 import java.util.Hashtable;
  19 import java.util.Map;
  20
  21 import org.eclipse.jdt.annotation.NonNullByDefault;
  22 import org.eclipse.jdt.annotation.Nullable;
  23 import org.openhab.binding.icloud.internal.discovery.ICloudDeviceDiscovery;
  24 import org.openhab.binding.icloud.internal.handler.ICloudAccountBridgeHandler;
  25 import org.openhab.binding.icloud.internal.handler.ICloudDeviceHandler;
  26 import org.openhab.core.config.discovery.DiscoveryService;
  27 import org.openhab.core.i18n.LocaleProvider;
  28 import org.openhab.core.i18n.TranslationProvider;
  29 import org.openhab.core.storage.Storage;
  30 import org.openhab.core.storage.StorageService;
  31 import org.openhab.core.thing.Bridge;
  32 import org.openhab.core.thing.Thing;
  33 import org.openhab.core.thing.ThingTypeUID;
  34 import org.openhab.core.thing.ThingUID;
  35 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  36 import org.openhab.core.thing.binding.ThingHandler;
  37 import org.openhab.core.thing.binding.ThingHandlerFactory;
  38 import org.osgi.framework.ServiceRegistration;
  39 import org.osgi.service.component.annotations.Activate;
  40 import org.osgi.service.component.annotations.Component;
  41 import org.osgi.service.component.annotations.Reference;
  42
  43 /**
  44  * The {@link ICloudHandlerFactory} is responsible for creating things and thing handlers.
  45  *
  46  * @author Patrik Gfeller - Initial contribution
  47  */
  48 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.icloud")
  49 @NonNullByDefault
  50 public class ICloudHandlerFactory extends BaseThingHandlerFactory {
  51     private final Map<ThingUID, ServiceRegistration<?>> discoveryServiceRegistrations = new HashMap<>();
  52
  53     private LocaleProvider localeProvider;
  54
  55     private TranslationProvider i18nProvider;
  56
  57     private final StorageService storageService;
  58
  59     @Activate
  60     public ICloudHandlerFactory(@Reference StorageService storageService, @Reference LocaleProvider localeProvider,
  61             @Reference TranslationProvider i18nProvider) {
  62         this.storageService = storageService;
  63         this.localeProvider = localeProvider;
  64         this.i18nProvider = i18nProvider;
  65     }
  66
  67     @Override
  68     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  69         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  70     }
  71
  72     @Override
  73     protected @Nullable ThingHandler createHandler(Thing thing) {
  74         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  75
  76         if (thingTypeUID.equals(THING_TYPE_ICLOUD)) {
  77             Storage<String> storage = this.storageService.getStorage(thing.getUID().toString(),
  78                     String.class.getClassLoader());
  79             ICloudAccountBridgeHandler bridgeHandler = new ICloudAccountBridgeHandler((Bridge) thing, storage);
  80             registerDeviceDiscoveryService(bridgeHandler);
  81             return bridgeHandler;
  82         }
  83
  84         if (thingTypeUID.equals(THING_TYPE_ICLOUDDEVICE)) {
  85             return new ICloudDeviceHandler(thing);
  86         }
  87         return null;
  88     }
  89
  90     @Override
  91     protected void removeHandler(ThingHandler thingHandler) {
  92         if (thingHandler instanceof ICloudAccountBridgeHandler) {
  93             unregisterDeviceDiscoveryService((ICloudAccountBridgeHandler) thingHandler);
  94         }
  95     }
  96
  97     private synchronized void registerDeviceDiscoveryService(ICloudAccountBridgeHandler bridgeHandler) {
  98         ICloudDeviceDiscovery discoveryService = new ICloudDeviceDiscovery(bridgeHandler,
  99                 this.bundleContext.getBundle(), this.i18nProvider, this.localeProvider);
 100         discoveryService.activate();
 101         this.discoveryServiceRegistrations.put(bridgeHandler.getThing().getUID(), this.bundleContext
 102                 .registerService(DiscoveryService.class.getName(), discoveryService, new Hashtable<>()));
 103     }
 104
 105     private synchronized void unregisterDeviceDiscoveryService(ICloudAccountBridgeHandler bridgeHandler) {
 106         ServiceRegistration<?> serviceRegistration = this.discoveryServiceRegistrations
 107                 .get(bridgeHandler.getThing().getUID());
 108         if (serviceRegistration != null) {
 109             ICloudDeviceDiscovery discoveryService = (ICloudDeviceDiscovery) this.bundleContext
 110                     .getService(serviceRegistration.getReference());
 111             if (discoveryService != null) {
 112                 discoveryService.deactivate();
 113             }
 114             serviceRegistration.unregister();
 115             this.discoveryServiceRegistrations.remove(bridgeHandler.getThing().getUID());
 116         }
 117     }
 118 }