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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.Arrays;
  18 import java.util.Collections;
  19 import java.util.HashMap;
  20 import java.util.HashSet;
  21 import java.util.Hashtable;
  22 import java.util.Map;
  23 import java.util.Set;
  24
  25 import org.eclipse.jdt.annotation.NonNullByDefault;
  26 import org.eclipse.jdt.annotation.Nullable;
  27 import org.openhab.binding.tado.internal.discovery.TadoDiscoveryService;
  28 import org.openhab.core.config.discovery.DiscoveryService;
  29 import org.openhab.core.thing.Bridge;
  30 import org.openhab.core.thing.Thing;
  31 import org.openhab.core.thing.ThingTypeUID;
  32 import org.openhab.core.thing.ThingUID;
  33 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  34 import org.openhab.core.thing.binding.ThingHandler;
  35 import org.openhab.core.thing.binding.ThingHandlerFactory;
  36 import org.osgi.framework.ServiceRegistration;
  37 import org.osgi.service.component.annotations.Activate;
  38 import org.osgi.service.component.annotations.Component;
  39 import org.osgi.service.component.annotations.Reference;
  40
  41 /**
  42  * The {@link TadoHandlerFactory} is responsible for creating things and thing
  43  * handlers.
  44  *
  45  * @author Dennis Frommknecht - Initial contribution
  46  */
  47 @NonNullByDefault
  48 @Component(configurationPid = "binding.tado", service = ThingHandlerFactory.class)
  49 public class TadoHandlerFactory extends BaseThingHandlerFactory {
  50
  51     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Collections
  52             .unmodifiableSet(new HashSet<>(Arrays.asList(THING_TYPE_HOME, THING_TYPE_ZONE, THING_TYPE_MOBILE_DEVICE)));
  53
  54     private final Map<ThingUID, ServiceRegistration<?>> discoveryServiceRegs = new HashMap<>();
  55
  56     private final TadoStateDescriptionProvider stateDescriptionProvider;
  57
  58     @Activate
  59     public TadoHandlerFactory(final @Reference TadoStateDescriptionProvider stateDescriptionProvider) {
  60         this.stateDescriptionProvider = stateDescriptionProvider;
  61     }
  62
  63     @Override
  64     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  65         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  66     }
  67
  68     @Override
  69     protected @Nullable ThingHandler createHandler(Thing thing) {
  70         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  71
  72         if (thingTypeUID.equals(THING_TYPE_HOME)) {
  73             TadoHomeHandler tadoHomeHandler = new TadoHomeHandler((Bridge) thing);
  74             registerTadoDiscoveryService(tadoHomeHandler);
  75             return tadoHomeHandler;
  76         } else if (thingTypeUID.equals(THING_TYPE_ZONE)) {
  77             return new TadoZoneHandler(thing, stateDescriptionProvider);
  78         } else if (thingTypeUID.equals(THING_TYPE_MOBILE_DEVICE)) {
  79             return new TadoMobileDeviceHandler(thing);
  80         }
  81
  82         return null;
  83     }
  84
  85     private synchronized void registerTadoDiscoveryService(TadoHomeHandler tadoHomeHandler) {
  86         TadoDiscoveryService discoveryService = new TadoDiscoveryService(tadoHomeHandler);
  87         ServiceRegistration<?> serviceRegistration = bundleContext.registerService(DiscoveryService.class.getName(),
  88                 discoveryService, new Hashtable<>());
  89         discoveryService.activate();
  90         this.discoveryServiceRegs.put(tadoHomeHandler.getThing().getUID(), serviceRegistration);
  91     }
  92
  93     @Override
  94     protected synchronized void removeHandler(ThingHandler thingHandler) {
  95         if (thingHandler instanceof TadoHomeHandler) {
  96             ServiceRegistration<?> serviceReg = this.discoveryServiceRegs.remove(thingHandler.getThing().getUID());
  97             if (serviceReg != null) {
  98                 TadoDiscoveryService service = (TadoDiscoveryService) bundleContext
  99                         .getService(serviceReg.getReference());
 100                 serviceReg.unregister();
 101                 if (service != null) {
 102                     service.deactivate();
 103                 }
 104             }
 105         }
 106     }
 107 }