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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.nest.internal.wwn.test;
  14
  15 import java.util.HashMap;
  16 import java.util.Hashtable;
  17 import java.util.Map;
  18
  19 import javax.ws.rs.client.ClientBuilder;
  20
  21 import org.eclipse.jdt.annotation.NonNullByDefault;
  22 import org.eclipse.jdt.annotation.Nullable;
  23 import org.openhab.binding.nest.internal.wwn.discovery.WWNDiscoveryService;
  24 import org.openhab.binding.nest.internal.wwn.handler.WWNAccountHandler;
  25 import org.openhab.core.config.discovery.DiscoveryService;
  26 import org.openhab.core.thing.Bridge;
  27 import org.openhab.core.thing.Thing;
  28 import org.openhab.core.thing.ThingTypeUID;
  29 import org.openhab.core.thing.ThingUID;
  30 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  31 import org.openhab.core.thing.binding.ThingHandler;
  32 import org.openhab.core.thing.binding.ThingHandlerFactory;
  33 import org.osgi.framework.ServiceRegistration;
  34 import org.osgi.service.component.ComponentContext;
  35 import org.osgi.service.component.annotations.Activate;
  36 import org.osgi.service.component.annotations.Modified;
  37 import org.osgi.service.component.annotations.Reference;
  38 import org.osgi.service.jaxrs.client.SseEventSourceFactory;
  39
  40 /**
  41  * The {@link WWNTestHandlerFactory} is responsible for creating test things and thing handlers.
  42  *
  43  * @author Wouter Born - Initial contribution
  44  */
  45 @NonNullByDefault
  46 public class WWNTestHandlerFactory extends BaseThingHandlerFactory implements ThingHandlerFactory {
  47
  48     public static final String REDIRECT_URL_CONFIG_PROPERTY = "redirect.url";
  49
  50     private final ClientBuilder clientBuilder;
  51     private final SseEventSourceFactory eventSourceFactory;
  52     private final Map<ThingUID, ServiceRegistration<?>> discoveryService = new HashMap<>();
  53
  54     private String redirectUrl = "http://localhost";
  55
  56     @Activate
  57     public WWNTestHandlerFactory(@Reference ClientBuilder clientBuilder,
  58             @Reference SseEventSourceFactory eventSourceFactory) {
  59         this.clientBuilder = clientBuilder;
  60         this.eventSourceFactory = eventSourceFactory;
  61     }
  62
  63     @Override
  64     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  65         return WWNTestAccountHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID);
  66     }
  67
  68     @Activate
  69     public void activate(ComponentContext componentContext, Map<String, Object> config) {
  70         super.activate(componentContext);
  71         modified(config);
  72     }
  73
  74     @Modified
  75     public void modified(Map<String, Object> config) {
  76         String url = (String) config.get(REDIRECT_URL_CONFIG_PROPERTY);
  77         if (url != null) {
  78             this.redirectUrl = url;
  79         }
  80     }
  81
  82     @Override
  83     protected @Nullable ThingHandler createHandler(Thing thing) {
  84         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  85         if (thingTypeUID.equals(WWNTestAccountHandler.THING_TYPE_TEST_BRIDGE)) {
  86             WWNTestAccountHandler handler = new WWNTestAccountHandler((Bridge) thing, clientBuilder, eventSourceFactory,
  87                     redirectUrl);
  88             WWNDiscoveryService service = new WWNDiscoveryService();
  89             service.setThingHandler(handler);
  90             // Register the discovery service.
  91             discoveryService.put(handler.getThing().getUID(),
  92                     bundleContext.registerService(DiscoveryService.class.getName(), service, new Hashtable<>()));
  93
  94             return handler;
  95         }
  96         return null;
  97     }
  98
  99     /**
 100      * Removes the handler for the specific thing. This also handles disabling the discovery
 101      * service when the bridge is removed.
 102      */
 103     @Override
 104     protected void removeHandler(ThingHandler thingHandler) {
 105         if (thingHandler instanceof WWNAccountHandler) {
 106             ServiceRegistration<?> registration = discoveryService.get(thingHandler.getThing().getUID());
 107             if (registration != null) {
 108                 // Unregister the discovery service.
 109                 WWNDiscoveryService service = (WWNDiscoveryService) bundleContext
 110                         .getService(registration.getReference());
 111                 service.deactivate();
 112                 registration.unregister();
 113                 discoveryService.remove(thingHandler.getThing().getUID());
 114             }
 115         }
 116         super.removeHandler(thingHandler);
 117     }
 118 }