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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.automower.internal;
  14
  15 import java.util.Collections;
  16 import java.util.Hashtable;
  17 import java.util.Set;
  18 import java.util.function.Function;
  19 import java.util.stream.Collectors;
  20 import java.util.stream.Stream;
  21
  22 import org.eclipse.jdt.annotation.NonNullByDefault;
  23 import org.eclipse.jdt.annotation.Nullable;
  24 import org.eclipse.jetty.client.HttpClient;
  25 import org.openhab.binding.automower.internal.bridge.AutomowerBridgeHandler;
  26 import org.openhab.binding.automower.internal.discovery.AutomowerDiscoveryService;
  27 import org.openhab.binding.automower.internal.things.AutomowerHandler;
  28 import org.openhab.core.auth.client.oauth2.OAuthFactory;
  29 import org.openhab.core.config.discovery.DiscoveryService;
  30 import org.openhab.core.i18n.TimeZoneProvider;
  31 import org.openhab.core.io.net.http.HttpClientFactory;
  32 import org.openhab.core.thing.Bridge;
  33 import org.openhab.core.thing.Thing;
  34 import org.openhab.core.thing.ThingTypeUID;
  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.annotations.Activate;
  40 import org.osgi.service.component.annotations.Component;
  41 import org.osgi.service.component.annotations.Reference;
  42
  43 /**
  44  * The {@link AutomowerHandlerFactory} is responsible for creating things and thing
  45  * handlers.
  46  *
  47  * @author Markus Pfleger - Initial contribution
  48  */
  49 @NonNullByDefault
  50 @Component(configurationPid = "binding.automower", service = ThingHandlerFactory.class)
  51 public class AutomowerHandlerFactory extends BaseThingHandlerFactory {
  52     public static final Set<ThingTypeUID> SUPPORTED_THING_TYPES = Collections.unmodifiableSet(Stream
  53             .of(AutomowerBridgeHandler.SUPPORTED_THING_TYPES.stream(), AutomowerHandler.SUPPORTED_THING_TYPES.stream())
  54             .flatMap(Function.identity()).collect(Collectors.toSet()));
  55
  56     private final OAuthFactory oAuthFactory;
  57     protected final @NonNullByDefault({}) HttpClient httpClient;
  58     private @Nullable ServiceRegistration<?> automowerDiscoveryServiceRegistration;
  59     private final TimeZoneProvider timeZoneProvider;
  60
  61     @Activate
  62     public AutomowerHandlerFactory(@Reference OAuthFactory oAuthFactory, @Reference HttpClientFactory httpClientFactory,
  63             @Reference TimeZoneProvider timeZoneProvider) {
  64         this.oAuthFactory = oAuthFactory;
  65         this.httpClient = httpClientFactory.getCommonHttpClient();
  66         this.timeZoneProvider = timeZoneProvider;
  67     }
  68
  69     @Override
  70     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  71         return SUPPORTED_THING_TYPES.contains(thingTypeUID);
  72     }
  73
  74     @Override
  75     protected @Nullable ThingHandler createHandler(Thing thing) {
  76         if (AutomowerBridgeHandler.SUPPORTED_THING_TYPES.contains(thing.getThingTypeUID())) {
  77             AutomowerBridgeHandler handler = new AutomowerBridgeHandler((Bridge) thing, oAuthFactory, httpClient);
  78             registerAutomowerDiscoveryService(handler);
  79             return handler;
  80         }
  81
  82         if (AutomowerHandler.SUPPORTED_THING_TYPES.contains(thing.getThingTypeUID())) {
  83             return new AutomowerHandler(thing, timeZoneProvider);
  84         }
  85
  86         return null;
  87     }
  88
  89     @Override
  90     protected synchronized void removeHandler(ThingHandler thingHandler) {
  91         if (thingHandler instanceof AutomowerBridgeHandler) {
  92             if (automowerDiscoveryServiceRegistration != null) {
  93                 // remove discovery service, if bridge handler is removed
  94                 automowerDiscoveryServiceRegistration.unregister();
  95             }
  96         }
  97     }
  98
  99     private void registerAutomowerDiscoveryService(AutomowerBridgeHandler handler) {
 100         AutomowerDiscoveryService discoveryService = new AutomowerDiscoveryService(handler);
 101         this.automowerDiscoveryServiceRegistration = bundleContext.registerService(DiscoveryService.class.getName(),
 102                 discoveryService, new Hashtable<>());
 103     }
 104 }