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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.neeo.internal.handler;
  14
  15 import java.util.Hashtable;
  16 import java.util.Objects;
  17 import java.util.concurrent.ConcurrentHashMap;
  18 import java.util.concurrent.ConcurrentMap;
  19
  20 import javax.ws.rs.client.ClientBuilder;
  21
  22 import org.eclipse.jdt.annotation.NonNullByDefault;
  23 import org.eclipse.jdt.annotation.Nullable;
  24 import org.openhab.binding.neeo.internal.NeeoConstants;
  25 import org.openhab.binding.neeo.internal.discovery.NeeoDeviceDiscoveryService;
  26 import org.openhab.binding.neeo.internal.discovery.NeeoRoomDiscoveryService;
  27 import org.openhab.core.config.discovery.DiscoveryService;
  28 import org.openhab.core.net.HttpServiceUtil;
  29 import org.openhab.core.net.NetworkAddressService;
  30 import org.openhab.core.thing.Bridge;
  31 import org.openhab.core.thing.Thing;
  32 import org.openhab.core.thing.ThingTypeUID;
  33 import org.openhab.core.thing.ThingUID;
  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 import org.osgi.service.http.HttpService;
  42
  43 /**
  44  * The {@link NeeoHandlerFactory} is responsible for creating things and thing
  45  * handlers.
  46  *
  47  * @author Tim Roberts - Initial contribution
  48  */
  49 @NonNullByDefault
  50 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.neeo")
  51 public class NeeoHandlerFactory extends BaseThingHandlerFactory {
  52
  53     /** The {@link HttpService} used to register callbacks */
  54     private final HttpService httpService;
  55
  56     /** The {@link NetworkAddressService} used for ip lookup */
  57     private final NetworkAddressService networkAddressService;
  58
  59     /** The {@link ClientBuilder} used in HttpRequest */
  60     private final ClientBuilder clientBuilder;
  61
  62     /** The discovery services created by this class (one per room and one for each device) */
  63     private final ConcurrentMap<ThingUID, ServiceRegistration<?>> discoveryServiceRegs = new ConcurrentHashMap<>();
  64
  65     @Activate
  66     public NeeoHandlerFactory(@Reference HttpService httpService,
  67             @Reference NetworkAddressService networkAddressService, @Reference ClientBuilder clientBuilder) {
  68         this.httpService = httpService;
  69         this.networkAddressService = networkAddressService;
  70         this.clientBuilder = clientBuilder;
  71     }
  72
  73     @Override
  74     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  75         Objects.requireNonNull(thingTypeUID, "thingTypeUID cannot be null");
  76
  77         return NeeoConstants.BINDING_ID.equals(thingTypeUID.getBindingId());
  78     }
  79
  80     @Nullable
  81     @Override
  82     protected ThingHandler createHandler(Thing thing) {
  83         Objects.requireNonNull(thing, "thing cannot be null");
  84         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  85
  86         if (thingTypeUID.equals(NeeoConstants.BRIDGE_TYPE_BRAIN)) {
  87             final int port = HttpServiceUtil.getHttpServicePort(this.bundleContext);
  88             final NeeoBrainHandler handler = new NeeoBrainHandler((Bridge) thing,
  89                     port < 0 ? NeeoConstants.DEFAULT_BRAIN_HTTP_PORT : port, httpService, networkAddressService,
  90                     clientBuilder);
  91             registerRoomDiscoveryService(handler);
  92             return handler;
  93         } else if (thingTypeUID.equals(NeeoConstants.BRIDGE_TYPE_ROOM)) {
  94             final NeeoRoomHandler handler = new NeeoRoomHandler((Bridge) thing);
  95             registerDeviceDiscoveryService(handler);
  96             return handler;
  97         } else if (thingTypeUID.equals(NeeoConstants.THING_TYPE_DEVICE)) {
  98             return new NeeoDeviceHandler(thing);
  99         }
 100
 101         return null;
 102     }
 103
 104     /**
 105      * Helper method to register the room discovery service
 106      *
 107      * @param handler a non-null brain handler
 108      */
 109     private void registerRoomDiscoveryService(NeeoBrainHandler handler) {
 110         Objects.requireNonNull(handler, "handler cannot be null");
 111         final NeeoRoomDiscoveryService discoveryService = new NeeoRoomDiscoveryService(handler);
 112         this.discoveryServiceRegs.put(handler.getThing().getUID(),
 113                 bundleContext.registerService(DiscoveryService.class.getName(), discoveryService, new Hashtable<>()));
 114     }
 115
 116     /**
 117      * Helper method to register the device discovery service
 118      *
 119      * @param handler a non-null room handler
 120      */
 121     private void registerDeviceDiscoveryService(NeeoRoomHandler handler) {
 122         Objects.requireNonNull(handler, "handler cannot be null");
 123         final NeeoDeviceDiscoveryService discoveryService = new NeeoDeviceDiscoveryService(handler);
 124         this.discoveryServiceRegs.put(handler.getThing().getUID(),
 125                 bundleContext.registerService(DiscoveryService.class.getName(), discoveryService, new Hashtable<>()));
 126     }
 127
 128     @Override
 129     protected void removeHandler(ThingHandler thingHandler) {
 130         final ServiceRegistration<?> serviceReg = this.discoveryServiceRegs.remove(thingHandler.getThing().getUID());
 131         if (serviceReg != null) {
 132             serviceReg.unregister();
 133         }
 134     }
 135 }