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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.zway.internal;
  14
  15 import java.util.Collections;
  16 import java.util.HashMap;
  17 import java.util.Hashtable;
  18 import java.util.Map;
  19 import java.util.Set;
  20 import java.util.stream.Collectors;
  21 import java.util.stream.Stream;
  22
  23 import org.eclipse.jdt.annotation.NonNullByDefault;
  24 import org.eclipse.jdt.annotation.Nullable;
  25 import org.openhab.binding.zway.internal.discovery.ZWayDeviceDiscoveryService;
  26 import org.openhab.binding.zway.internal.handler.ZWayBridgeHandler;
  27 import org.openhab.binding.zway.internal.handler.ZWayZAutomationDeviceHandler;
  28 import org.openhab.binding.zway.internal.handler.ZWayZWaveDeviceHandler;
  29 import org.openhab.core.config.discovery.DiscoveryService;
  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.Component;
  39
  40 /**
  41  * The {@link ZWayHandlerFactory} is responsible for creating things and thing
  42  * handlers.
  43  *
  44  * @author Patrick Hecker - Initial contribution
  45  */
  46 @NonNullByDefault
  47 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.zway")
  48 public class ZWayHandlerFactory extends BaseThingHandlerFactory {
  49
  50     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Collections.unmodifiableSet(
  51             Stream.of(ZWayBridgeHandler.SUPPORTED_THING_TYPE, ZWayZAutomationDeviceHandler.SUPPORTED_THING_TYPE,
  52                     ZWayZWaveDeviceHandler.SUPPORTED_THING_TYPE).collect(Collectors.toSet()));
  53
  54     private final Map<ThingUID, ServiceRegistration<?>> discoveryServiceRegs = new HashMap<>();
  55
  56     @Override
  57     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  58         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  59     }
  60
  61     @Override
  62     protected @Nullable ThingHandler createHandler(Thing thing) {
  63         if (ZWayBridgeHandler.SUPPORTED_THING_TYPE.equals(thing.getThingTypeUID())) {
  64             ZWayBridgeHandler handler = new ZWayBridgeHandler((Bridge) thing);
  65             registerDeviceDiscoveryService(handler);
  66
  67             return handler;
  68         } else if (ZWayZAutomationDeviceHandler.SUPPORTED_THING_TYPE.equals(thing.getThingTypeUID())) {
  69             return new ZWayZAutomationDeviceHandler(thing);
  70         } else if (ZWayZWaveDeviceHandler.SUPPORTED_THING_TYPE.equals(thing.getThingTypeUID())) {
  71             return new ZWayZWaveDeviceHandler(thing);
  72         } else {
  73             return null;
  74         }
  75     }
  76
  77     @Override
  78     protected synchronized void removeHandler(ThingHandler thingHandler) {
  79         if (thingHandler instanceof ZWayBridgeHandler) {
  80             ServiceRegistration<?> serviceReg = this.discoveryServiceRegs.remove(thingHandler.getThing().getUID());
  81             if (serviceReg != null) {
  82                 serviceReg.unregister();
  83             }
  84         }
  85     }
  86
  87     private synchronized void registerDeviceDiscoveryService(ZWayBridgeHandler handler) {
  88         ZWayDeviceDiscoveryService discoveryService = new ZWayDeviceDiscoveryService(handler);
  89         this.discoveryServiceRegs.put(handler.getThing().getUID(),
  90                 bundleContext.registerService(DiscoveryService.class.getName(), discoveryService, new Hashtable<>()));
  91     }
  92 }