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   1 /**
   2  * Copyright (c) 2010-2022 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 javax.ws.rs.client.ClientBuilder;
  24
  25 import org.openhab.binding.sleepiq.internal.discovery.SleepIQBedDiscoveryService;
  26 import org.openhab.binding.sleepiq.internal.handler.SleepIQCloudHandler;
  27 import org.openhab.binding.sleepiq.internal.handler.SleepIQDualBedHandler;
  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 import org.slf4j.Logger;
  41 import org.slf4j.LoggerFactory;
  42
  43 /**
  44  * The {@link SleepIQHandlerFactory} is responsible for creating thing handlers.
  45  *
  46  * @author Gregory Moyer - Initial contribution
  47  */
  48 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.sleepiq")
  49 public class SleepIQHandlerFactory extends BaseThingHandlerFactory {
  50     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPE_UIDS = Collections
  51             .unmodifiableSet(Stream.concat(SleepIQCloudHandler.SUPPORTED_THING_TYPE_UIDS.stream(),
  52                     SleepIQDualBedHandler.SUPPORTED_THING_TYPE_UIDS.stream()).collect(Collectors.toSet()));
  53
  54     private final Logger logger = LoggerFactory.getLogger(SleepIQHandlerFactory.class);
  55
  56     private final ClientBuilder clientBuilder;
  57
  58     private final Map<ThingUID, ServiceRegistration<?>> discoveryServiceReg = new HashMap<>();
  59
  60     @Activate
  61     public SleepIQHandlerFactory(@Reference ClientBuilder clientBuilder) {
  62         this.clientBuilder = clientBuilder;
  63     }
  64
  65     @Override
  66     public boolean supportsThingType(final ThingTypeUID thingTypeUID) {
  67         return SUPPORTED_THING_TYPE_UIDS.contains(thingTypeUID);
  68     }
  69
  70     @Override
  71     protected ThingHandler createHandler(final Thing thing) {
  72         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  73
  74         if (SleepIQCloudHandler.SUPPORTED_THING_TYPE_UIDS.contains(thingTypeUID)) {
  75             logger.debug("Creating SleepIQ cloud thing handler");
  76             SleepIQCloudHandler cloudHandler = new SleepIQCloudHandler((Bridge) thing, clientBuilder);
  77             registerBedDiscoveryService(cloudHandler);
  78             return cloudHandler;
  79         } else if (SleepIQDualBedHandler.SUPPORTED_THING_TYPE_UIDS.contains(thingTypeUID)) {
  80             logger.debug("Creating SleepIQ dual bed thing handler");
  81             return new SleepIQDualBedHandler(thing);
  82         }
  83
  84         return null;
  85     }
  86
  87     @Override
  88     protected void removeHandler(final ThingHandler thingHandler) {
  89         logger.debug("Removing SleepIQ thing handler");
  90
  91         if (thingHandler instanceof SleepIQCloudHandler) {
  92             unregisterBedDiscoveryService((SleepIQCloudHandler) thingHandler);
  93         }
  94     }
  95
  96     /**
  97      * Register the given cloud handler to participate in discovery of new beds.
  98      *
  99      * @param cloudHandler the cloud handler to register (must not be <code>null</code>)
 100      */
 101     private synchronized void registerBedDiscoveryService(final SleepIQCloudHandler cloudHandler) {
 102         logger.debug("Registering bed discovery service");
 103         SleepIQBedDiscoveryService discoveryService = new SleepIQBedDiscoveryService(cloudHandler);
 104         discoveryServiceReg.put(cloudHandler.getThing().getUID(),
 105                 bundleContext.registerService(DiscoveryService.class.getName(), discoveryService, new Hashtable<>()));
 106     }
 107
 108     /**
 109      * Unregister the given cloud handler from participating in discovery of new beds.
 110      *
 111      * @param cloudHandler the cloud handler to unregister (must not be <code>null</code>)
 112      */
 113     private synchronized void unregisterBedDiscoveryService(final SleepIQCloudHandler cloudHandler) {
 114         ThingUID thingUID = cloudHandler.getThing().getUID();
 115         ServiceRegistration<?> serviceReg = discoveryServiceReg.remove(thingUID);
 116         if (serviceReg != null) {
 117             logger.debug("Unregistering bed discovery service");
 118             serviceReg.unregister();
 119         }
 120     }
 121 }