git.basschouten.com Git - openhab-addons.git/blob

   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.amazonechocontrol.internal;
  14
  15 import static org.openhab.binding.amazonechocontrol.internal.AmazonEchoControlBindingConstants.*;
  16
  17 import java.util.*;
  18
  19 import org.eclipse.jdt.annotation.NonNullByDefault;
  20 import org.eclipse.jdt.annotation.Nullable;
  21 import org.openhab.binding.amazonechocontrol.internal.discovery.AmazonEchoDiscovery;
  22 import org.openhab.binding.amazonechocontrol.internal.discovery.SmartHomeDevicesDiscovery;
  23 import org.openhab.binding.amazonechocontrol.internal.handler.AccountHandler;
  24 import org.openhab.binding.amazonechocontrol.internal.handler.EchoHandler;
  25 import org.openhab.binding.amazonechocontrol.internal.handler.FlashBriefingProfileHandler;
  26 import org.openhab.binding.amazonechocontrol.internal.handler.SmartHomeDeviceHandler;
  27 import org.openhab.core.config.discovery.AbstractDiscoveryService;
  28 import org.openhab.core.config.discovery.DiscoveryService;
  29 import org.openhab.core.storage.Storage;
  30 import org.openhab.core.storage.StorageService;
  31 import org.openhab.core.thing.Bridge;
  32 import org.openhab.core.thing.Thing;
  33 import org.openhab.core.thing.ThingTypeUID;
  34 import org.openhab.core.thing.ThingUID;
  35 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  36 import org.openhab.core.thing.binding.ThingHandler;
  37 import org.openhab.core.thing.binding.ThingHandlerFactory;
  38 import org.osgi.framework.ServiceRegistration;
  39 import org.osgi.service.component.ComponentContext;
  40 import org.osgi.service.component.annotations.Activate;
  41 import org.osgi.service.component.annotations.Component;
  42 import org.osgi.service.component.annotations.Reference;
  43 import org.osgi.service.http.HttpService;
  44 import org.slf4j.Logger;
  45 import org.slf4j.LoggerFactory;
  46
  47 import com.google.gson.Gson;
  48
  49 /**
  50  * The {@link AmazonEchoControlHandlerFactory} is responsible for creating things and thing
  51  * handlers.
  52  *
  53  * @author Michael Geramb - Initial contribution
  54  */
  55 @Component(service = { ThingHandlerFactory.class,
  56         AmazonEchoControlHandlerFactory.class }, configurationPid = "binding.amazonechocontrol")
  57 @NonNullByDefault
  58 public class AmazonEchoControlHandlerFactory extends BaseThingHandlerFactory {
  59     private final Logger logger = LoggerFactory.getLogger(AmazonEchoControlHandlerFactory.class);
  60     private final Map<ThingUID, List<ServiceRegistration<?>>> discoveryServiceRegistrations = new HashMap<>();
  61
  62     private final Set<AccountHandler> accountHandlers = new HashSet<>();
  63     private final HttpService httpService;
  64     private final StorageService storageService;
  65     private final BindingServlet bindingServlet;
  66     private final Gson gson;
  67
  68     @Activate
  69     public AmazonEchoControlHandlerFactory(@Reference HttpService httpService,
  70             @Reference StorageService storageService) {
  71         this.storageService = storageService;
  72         this.httpService = httpService;
  73         this.gson = new Gson();
  74         this.bindingServlet = new BindingServlet(httpService);
  75     }
  76
  77     @Override
  78     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  79         return SUPPORTED_ECHO_THING_TYPES_UIDS.contains(thingTypeUID)
  80                 || SUPPORTED_SMART_HOME_THING_TYPES_UIDS.contains(thingTypeUID);
  81     }
  82
  83     @Override
  84     protected void deactivate(ComponentContext componentContext) {
  85         bindingServlet.dispose();
  86         super.deactivate(componentContext);
  87     }
  88
  89     @Override
  90     protected @Nullable ThingHandler createHandler(Thing thing) {
  91         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  92
  93         if (thingTypeUID.equals(THING_TYPE_ACCOUNT)) {
  94             Storage<String> storage = storageService.getStorage(thing.getUID().toString(),
  95                     String.class.getClassLoader());
  96             AccountHandler bridgeHandler = new AccountHandler((Bridge) thing, httpService, storage, gson);
  97             accountHandlers.add(bridgeHandler);
  98             registerDiscoveryService(bridgeHandler);
  99             bindingServlet.addAccountThing(thing);
 100             return bridgeHandler;
 101         } else if (thingTypeUID.equals(THING_TYPE_FLASH_BRIEFING_PROFILE)) {
 102             Storage<String> storage = storageService.getStorage(thing.getUID().toString(),
 103                     String.class.getClassLoader());
 104             return new FlashBriefingProfileHandler(thing, storage);
 105         } else if (SUPPORTED_ECHO_THING_TYPES_UIDS.contains(thingTypeUID)) {
 106             return new EchoHandler(thing, gson);
 107         } else if (SUPPORTED_SMART_HOME_THING_TYPES_UIDS.contains(thingTypeUID)) {
 108             return new SmartHomeDeviceHandler(thing, gson);
 109         }
 110         return null;
 111     }
 112
 113     private synchronized void registerDiscoveryService(AccountHandler bridgeHandler) {
 114         List<ServiceRegistration<?>> discoveryServiceRegistration = Objects.requireNonNull(discoveryServiceRegistrations
 115                 .computeIfAbsent(bridgeHandler.getThing().getUID(), k -> new ArrayList<>()));
 116         SmartHomeDevicesDiscovery smartHomeDevicesDiscovery = new SmartHomeDevicesDiscovery(bridgeHandler);
 117         smartHomeDevicesDiscovery.activate();
 118         discoveryServiceRegistration.add(bundleContext.registerService(DiscoveryService.class.getName(),
 119                 smartHomeDevicesDiscovery, new Hashtable<>()));
 120
 121         AmazonEchoDiscovery discoveryService = new AmazonEchoDiscovery(bridgeHandler);
 122         discoveryService.activate();
 123         discoveryServiceRegistration.add(
 124                 bundleContext.registerService(DiscoveryService.class.getName(), discoveryService, new Hashtable<>()));
 125     }
 126
 127     @Override
 128     protected synchronized void removeHandler(ThingHandler thingHandler) {
 129         if (thingHandler instanceof AccountHandler) {
 130             accountHandlers.remove(thingHandler);
 131             BindingServlet bindingServlet = this.bindingServlet;
 132             bindingServlet.removeAccountThing(thingHandler.getThing());
 133
 134             List<ServiceRegistration<?>> discoveryServiceRegistration = discoveryServiceRegistrations
 135                     .remove(thingHandler.getThing().getUID());
 136             if (discoveryServiceRegistration != null) {
 137                 discoveryServiceRegistration.forEach(serviceReg -> {
 138                     AbstractDiscoveryService service = (AbstractDiscoveryService) bundleContext
 139                             .getService(serviceReg.getReference());
 140                     serviceReg.unregister();
 141                     if (service != null) {
 142                         if (service instanceof AmazonEchoDiscovery) {
 143                             ((AmazonEchoDiscovery) service).deactivate();
 144                         } else if (service instanceof SmartHomeDevicesDiscovery) {
 145                             ((SmartHomeDevicesDiscovery) service).deactivate();
 146                         } else {
 147                             logger.warn("Found unknown discovery-service instance: {}", service);
 148                         }
 149                     }
 150                 });
 151             }
 152         }
 153     }
 154
 155     public Set<AccountHandler> getAccountHandlers() {
 156         return accountHandlers;
 157     }
 158 }