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   1 /**
   2  * Copyright (c) 2010-2021 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.sleepiq.internal;
  14
  15 import java.util.Collections;
  16 import java.util.HashMap;
  17 import java.util.Hashtable;
  18 import java.util.Map;
  19 import java.util.Set;
  20 import java.util.stream.Collectors;
  21 import java.util.stream.Stream;
  22
  23 import org.openhab.binding.sleepiq.internal.discovery.SleepIQBedDiscoveryService;
  24 import org.openhab.binding.sleepiq.internal.handler.SleepIQCloudHandler;
  25 import org.openhab.binding.sleepiq.internal.handler.SleepIQDualBedHandler;
  26 import org.openhab.core.config.discovery.DiscoveryService;
  27 import org.openhab.core.thing.Bridge;
  28 import org.openhab.core.thing.Thing;
  29 import org.openhab.core.thing.ThingTypeUID;
  30 import org.openhab.core.thing.ThingUID;
  31 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  32 import org.openhab.core.thing.binding.ThingHandler;
  33 import org.openhab.core.thing.binding.ThingHandlerFactory;
  34 import org.osgi.framework.ServiceRegistration;
  35 import org.osgi.service.component.annotations.Component;
  36 import org.slf4j.Logger;
  37 import org.slf4j.LoggerFactory;
  38
  39 /**
  40  * The {@link SleepIQHandlerFactory} is responsible for creating thing handlers.
  41  *
  42  * @author Gregory Moyer - Initial contribution
  43  */
  44 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.sleepiq")
  45 public class SleepIQHandlerFactory extends BaseThingHandlerFactory {
  46     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPE_UIDS = Collections
  47             .unmodifiableSet(Stream.concat(SleepIQCloudHandler.SUPPORTED_THING_TYPE_UIDS.stream(),
  48                     SleepIQDualBedHandler.SUPPORTED_THING_TYPE_UIDS.stream()).collect(Collectors.toSet()));
  49
  50     private final Logger logger = LoggerFactory.getLogger(SleepIQHandlerFactory.class);
  51
  52     private final Map<ThingUID, ServiceRegistration<?>> discoveryServiceReg = new HashMap<>();
  53
  54     @Override
  55     public boolean supportsThingType(final ThingTypeUID thingTypeUID) {
  56         return SUPPORTED_THING_TYPE_UIDS.contains(thingTypeUID);
  57     }
  58
  59     @Override
  60     protected ThingHandler createHandler(final Thing thing) {
  61         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  62
  63         if (SleepIQCloudHandler.SUPPORTED_THING_TYPE_UIDS.contains(thingTypeUID)) {
  64             logger.debug("Creating SleepIQ cloud thing handler");
  65             SleepIQCloudHandler cloudHandler = new SleepIQCloudHandler((Bridge) thing);
  66             registerBedDiscoveryService(cloudHandler);
  67             return cloudHandler;
  68         } else if (SleepIQDualBedHandler.SUPPORTED_THING_TYPE_UIDS.contains(thingTypeUID)) {
  69             logger.debug("Creating SleepIQ dual bed thing handler");
  70             return new SleepIQDualBedHandler(thing);
  71         }
  72
  73         return null;
  74     }
  75
  76     @Override
  77     protected void removeHandler(final ThingHandler thingHandler) {
  78         logger.debug("Removing SleepIQ thing handler");
  79
  80         if (thingHandler instanceof SleepIQCloudHandler) {
  81             unregisterBedDiscoveryService((SleepIQCloudHandler) thingHandler);
  82         }
  83     }
  84
  85     /**
  86      * Register the given cloud handler to participate in discovery of new beds.
  87      *
  88      * @param cloudHandler the cloud handler to register (must not be <code>null</code>)
  89      */
  90     private synchronized void registerBedDiscoveryService(final SleepIQCloudHandler cloudHandler) {
  91         logger.debug("Registering bed discovery service");
  92         SleepIQBedDiscoveryService discoveryService = new SleepIQBedDiscoveryService(cloudHandler);
  93         discoveryServiceReg.put(cloudHandler.getThing().getUID(),
  94                 bundleContext.registerService(DiscoveryService.class.getName(), discoveryService, new Hashtable<>()));
  95     }
  96
  97     /**
  98      * Unregister the given cloud handler from participating in discovery of new beds.
  99      *
 100      * @param cloudHandler the cloud handler to unregister (must not be <code>null</code>)
 101      */
 102     private synchronized void unregisterBedDiscoveryService(final SleepIQCloudHandler cloudHandler) {
 103         ThingUID thingUID = cloudHandler.getThing().getUID();
 104         ServiceRegistration<?> serviceReg = discoveryServiceReg.remove(thingUID);
 105         if (serviceReg != null) {
 106             logger.debug("Unregistering bed discovery service");
 107             serviceReg.unregister();
 108         }
 109     }
 110 }