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   1 /**
   2  * Copyright (c) 2010-2020 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.io.net.http.HttpClientFactory;
  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.binding.BaseThingHandlerFactory;
  35 import org.openhab.core.thing.binding.ThingHandler;
  36 import org.openhab.core.thing.binding.ThingHandlerFactory;
  37 import org.osgi.framework.ServiceRegistration;
  38 import org.osgi.service.component.annotations.Activate;
  39 import org.osgi.service.component.annotations.Component;
  40 import org.osgi.service.component.annotations.Reference;
  41
  42 /**
  43  * The {@link AutomowerHandlerFactory} is responsible for creating things and thing
  44  * handlers.
  45  *
  46  * @author Markus Pfleger - Initial contribution
  47  */
  48 @NonNullByDefault
  49 @Component(configurationPid = "binding.automower", service = ThingHandlerFactory.class)
  50 public class AutomowerHandlerFactory extends BaseThingHandlerFactory {
  51     public static final Set<ThingTypeUID> SUPPORTED_THING_TYPES = Collections.unmodifiableSet(Stream
  52             .of(AutomowerBridgeHandler.SUPPORTED_THING_TYPES.stream(), AutomowerHandler.SUPPORTED_THING_TYPES.stream())
  53             .flatMap(Function.identity()).collect(Collectors.toSet()));
  54
  55     private final OAuthFactory oAuthFactory;
  56     protected final @NonNullByDefault({}) HttpClient httpClient;
  57     private @Nullable ServiceRegistration<?> automowerDiscoveryServiceRegistration;
  58
  59     @Activate
  60     public AutomowerHandlerFactory(@Reference OAuthFactory oAuthFactory,
  61             @Reference HttpClientFactory httpClientFactory) {
  62         this.oAuthFactory = oAuthFactory;
  63         this.httpClient = httpClientFactory.getCommonHttpClient();
  64     }
  65
  66     @Override
  67     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  68         return SUPPORTED_THING_TYPES.contains(thingTypeUID);
  69     }
  70
  71     @Override
  72     protected @Nullable ThingHandler createHandler(Thing thing) {
  73         if (AutomowerBridgeHandler.SUPPORTED_THING_TYPES.contains(thing.getThingTypeUID())) {
  74             AutomowerBridgeHandler handler = new AutomowerBridgeHandler((Bridge) thing, oAuthFactory, httpClient);
  75             registerAutomowerDiscoveryService(handler);
  76             return handler;
  77         }
  78
  79         if (AutomowerHandler.SUPPORTED_THING_TYPES.contains(thing.getThingTypeUID())) {
  80             return new AutomowerHandler(thing);
  81         }
  82
  83         return null;
  84     }
  85
  86     @Override
  87     protected synchronized void removeHandler(ThingHandler thingHandler) {
  88         if (thingHandler instanceof AutomowerBridgeHandler) {
  89             if (automowerDiscoveryServiceRegistration != null) {
  90                 // remove discovery service, if bridge handler is removed
  91                 automowerDiscoveryServiceRegistration.unregister();
  92             }
  93         }
  94     }
  95
  96     private void registerAutomowerDiscoveryService(AutomowerBridgeHandler handler) {
  97         AutomowerDiscoveryService discoveryService = new AutomowerDiscoveryService(handler);
  98         this.automowerDiscoveryServiceRegistration = bundleContext.registerService(DiscoveryService.class.getName(),
  99                 discoveryService, new Hashtable<>());
 100     }
 101 }