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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.tado.internal.handler;
  14
  15 import static org.openhab.binding.tado.internal.TadoBindingConstants.*;
  16
  17 import java.util.HashMap;
  18 import java.util.Hashtable;
  19 import java.util.Map;
  20 import java.util.Set;
  21
  22 import org.eclipse.jdt.annotation.NonNullByDefault;
  23 import org.eclipse.jdt.annotation.Nullable;
  24 import org.openhab.binding.tado.internal.discovery.TadoDiscoveryService;
  25 import org.openhab.core.config.discovery.DiscoveryService;
  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.ThingUID;
  30 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  31 import org.openhab.core.thing.binding.ThingHandler;
  32 import org.openhab.core.thing.binding.ThingHandlerFactory;
  33 import org.osgi.framework.ServiceRegistration;
  34 import org.osgi.service.component.annotations.Activate;
  35 import org.osgi.service.component.annotations.Component;
  36 import org.osgi.service.component.annotations.Reference;
  37
  38 /**
  39  * The {@link TadoHandlerFactory} is responsible for creating things and thing
  40  * handlers.
  41  *
  42  * @author Dennis Frommknecht - Initial contribution
  43  */
  44 @NonNullByDefault
  45 @Component(configurationPid = "binding.tado", service = ThingHandlerFactory.class)
  46 public class TadoHandlerFactory extends BaseThingHandlerFactory {
  47
  48     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Set.of(THING_TYPE_HOME, THING_TYPE_ZONE,
  49             THING_TYPE_MOBILE_DEVICE);
  50
  51     private final Map<ThingUID, ServiceRegistration<?>> discoveryServiceRegs = new HashMap<>();
  52
  53     private final TadoStateDescriptionProvider stateDescriptionProvider;
  54
  55     @Activate
  56     public TadoHandlerFactory(final @Reference TadoStateDescriptionProvider stateDescriptionProvider) {
  57         this.stateDescriptionProvider = stateDescriptionProvider;
  58     }
  59
  60     @Override
  61     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  62         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  63     }
  64
  65     @Override
  66     protected @Nullable ThingHandler createHandler(Thing thing) {
  67         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  68
  69         if (thingTypeUID.equals(THING_TYPE_HOME)) {
  70             TadoHomeHandler tadoHomeHandler = new TadoHomeHandler((Bridge) thing);
  71             registerTadoDiscoveryService(tadoHomeHandler);
  72             return tadoHomeHandler;
  73         } else if (thingTypeUID.equals(THING_TYPE_ZONE)) {
  74             return new TadoZoneHandler(thing, stateDescriptionProvider);
  75         } else if (thingTypeUID.equals(THING_TYPE_MOBILE_DEVICE)) {
  76             return new TadoMobileDeviceHandler(thing);
  77         }
  78
  79         return null;
  80     }
  81
  82     private synchronized void registerTadoDiscoveryService(TadoHomeHandler tadoHomeHandler) {
  83         TadoDiscoveryService discoveryService = new TadoDiscoveryService(tadoHomeHandler);
  84         ServiceRegistration<?> serviceRegistration = bundleContext.registerService(DiscoveryService.class.getName(),
  85                 discoveryService, new Hashtable<>());
  86         discoveryService.activate();
  87         this.discoveryServiceRegs.put(tadoHomeHandler.getThing().getUID(), serviceRegistration);
  88     }
  89
  90     @Override
  91     protected synchronized void removeHandler(ThingHandler thingHandler) {
  92         if (thingHandler instanceof TadoHomeHandler) {
  93             ServiceRegistration<?> serviceReg = this.discoveryServiceRegs.remove(thingHandler.getThing().getUID());
  94             if (serviceReg != null) {
  95                 TadoDiscoveryService service = (TadoDiscoveryService) bundleContext
  96                         .getService(serviceReg.getReference());
  97                 serviceReg.unregister();
  98                 if (service != null) {
  99                     service.deactivate();
 100                 }
 101             }
 102         }
 103     }
 104 }