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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.lirc.internal;
  14
  15 import static org.openhab.binding.lirc.internal.LIRCBindingConstants.THING_TYPE_REMOTE;
  16
  17 import java.util.HashMap;
  18 import java.util.Hashtable;
  19 import java.util.Map;
  20
  21 import org.openhab.binding.lirc.internal.discovery.LIRCRemoteDiscoveryService;
  22 import org.openhab.binding.lirc.internal.handler.LIRCBridgeHandler;
  23 import org.openhab.binding.lirc.internal.handler.LIRCRemoteHandler;
  24 import org.openhab.core.config.discovery.DiscoveryService;
  25 import org.openhab.core.thing.Bridge;
  26 import org.openhab.core.thing.Thing;
  27 import org.openhab.core.thing.ThingTypeUID;
  28 import org.openhab.core.thing.ThingUID;
  29 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  30 import org.openhab.core.thing.binding.ThingHandler;
  31 import org.openhab.core.thing.binding.ThingHandlerFactory;
  32 import org.osgi.framework.ServiceRegistration;
  33 import org.osgi.service.component.annotations.Component;
  34
  35 /**
  36  * The {@link LIRCHandlerFactory} is responsible for creating things and thing
  37  * handlers.
  38  *
  39  * @author Andrew Nagle - Initial contribution
  40  */
  41 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.lirc")
  42 public class LIRCHandlerFactory extends BaseThingHandlerFactory {
  43
  44     private final Map<ThingUID, ServiceRegistration<?>> discoveryServiceRegs = new HashMap<>();
  45
  46     @Override
  47     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  48         return LIRCBindingConstants.SUPPORTED_THING_TYPES.contains(thingTypeUID);
  49     }
  50
  51     @Override
  52     protected ThingHandler createHandler(Thing thing) {
  53         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  54         if (LIRCBindingConstants.SUPPORTED_BRIDGE_TYPES.contains(thingTypeUID)) {
  55             LIRCBridgeHandler handler = new LIRCBridgeHandler((Bridge) thing);
  56             registerDeviceDiscoveryService(handler);
  57             return handler;
  58         } else if (thingTypeUID.equals(THING_TYPE_REMOTE)) {
  59             return new LIRCRemoteHandler(thing);
  60         }
  61         return null;
  62     }
  63
  64     @Override
  65     protected synchronized void removeHandler(ThingHandler thingHandler) {
  66         if (this.discoveryServiceRegs != null) {
  67             ServiceRegistration<?> serviceReg = this.discoveryServiceRegs.remove(thingHandler.getThing().getUID());
  68             if (serviceReg != null) {
  69                 serviceReg.unregister();
  70             }
  71         }
  72     }
  73
  74     private synchronized void registerDeviceDiscoveryService(LIRCBridgeHandler handler) {
  75         LIRCRemoteDiscoveryService discoveryService = new LIRCRemoteDiscoveryService(handler);
  76         this.discoveryServiceRegs.put(handler.getThing().getUID(),
  77                 bundleContext.registerService(DiscoveryService.class.getName(), discoveryService, new Hashtable<>()));
  78     }
  79 }