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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.evohome.internal;
  14
  15 import java.util.HashMap;
  16 import java.util.Hashtable;
  17 import java.util.Map;
  18
  19 import org.eclipse.jdt.annotation.NonNullByDefault;
  20 import org.eclipse.jdt.annotation.Nullable;
  21 import org.eclipse.jetty.client.HttpClient;
  22 import org.openhab.binding.evohome.internal.discovery.EvohomeDiscoveryService;
  23 import org.openhab.binding.evohome.internal.handler.EvohomeAccountBridgeHandler;
  24 import org.openhab.binding.evohome.internal.handler.EvohomeHeatingZoneHandler;
  25 import org.openhab.binding.evohome.internal.handler.EvohomeTemperatureControlSystemHandler;
  26 import org.openhab.core.config.discovery.DiscoveryService;
  27 import org.openhab.core.io.net.http.HttpClientFactory;
  28 import org.openhab.core.thing.Bridge;
  29 import org.openhab.core.thing.Thing;
  30 import org.openhab.core.thing.ThingTypeUID;
  31 import org.openhab.core.thing.ThingUID;
  32 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  33 import org.openhab.core.thing.binding.ThingHandler;
  34 import org.openhab.core.thing.binding.ThingHandlerFactory;
  35 import org.osgi.framework.ServiceRegistration;
  36 import org.osgi.service.component.annotations.Activate;
  37 import org.osgi.service.component.annotations.Component;
  38 import org.osgi.service.component.annotations.Reference;
  39
  40 /**
  41  * Provides the thing factory for this binding
  42  *
  43  * @author Jasper van Zuijlen - Initial contribution
  44  *
  45  */
  46 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.evohome")
  47 @NonNullByDefault
  48 public class EvohomeHandlerFactory extends BaseThingHandlerFactory {
  49
  50     private final Map<ThingUID, ServiceRegistration<?>> discoveryServiceRegs = new HashMap<>();
  51
  52     private final HttpClient httpClient;
  53
  54     @Activate
  55     public EvohomeHandlerFactory(@Reference final HttpClientFactory httpClientFactory) {
  56         this.httpClient = httpClientFactory.getCommonHttpClient();
  57     }
  58
  59     @Override
  60     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  61         return EvohomeBindingConstants.SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  62     }
  63
  64     @Override
  65     protected @Nullable ThingHandler createHandler(Thing thing) {
  66         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  67         if (thingTypeUID.equals(EvohomeBindingConstants.THING_TYPE_EVOHOME_ACCOUNT)) {
  68             EvohomeAccountBridgeHandler bridge = new EvohomeAccountBridgeHandler((Bridge) thing, httpClient);
  69             registerEvohomeDiscoveryService(bridge);
  70             return bridge;
  71         } else if (thingTypeUID.equals(EvohomeBindingConstants.THING_TYPE_EVOHOME_DISPLAY)) {
  72             return new EvohomeTemperatureControlSystemHandler(thing);
  73         } else if (thingTypeUID.equals(EvohomeBindingConstants.THING_TYPE_EVOHOME_HEATING_ZONE)) {
  74             return new EvohomeHeatingZoneHandler(thing);
  75         }
  76
  77         return null;
  78     }
  79
  80     private void registerEvohomeDiscoveryService(EvohomeAccountBridgeHandler evohomeBridgeHandler) {
  81         EvohomeDiscoveryService discoveryService = new EvohomeDiscoveryService(evohomeBridgeHandler);
  82
  83         this.discoveryServiceRegs.put(evohomeBridgeHandler.getThing().getUID(),
  84                 bundleContext.registerService(DiscoveryService.class.getName(), discoveryService, new Hashtable<>()));
  85     }
  86
  87     @Override
  88     public ThingHandler registerHandler(Thing thing) {
  89         return super.registerHandler(thing);
  90     }
  91
  92     @Override
  93     protected void removeHandler(ThingHandler thingHandler) {
  94         if (thingHandler instanceof EvohomeAccountBridgeHandler) {
  95             ServiceRegistration<?> serviceReg = this.discoveryServiceRegs.get(thingHandler.getThing().getUID());
  96             if (serviceReg != null) {
  97                 EvohomeDiscoveryService service = (EvohomeDiscoveryService) bundleContext
  98                         .getService(serviceReg.getReference());
  99                 if (service != null) {
 100                     service.deactivate();
 101                 }
 102                 serviceReg.unregister();
 103                 discoveryServiceRegs.remove(thingHandler.getThing().getUID());
 104             }
 105         }
 106     }
 107 }