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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.enocean.internal;
  14
  15 import java.util.HashMap;
  16 import java.util.Hashtable;
  17 import java.util.Map;
  18 import java.util.Set;
  19 import java.util.stream.Collectors;
  20 import java.util.stream.Stream;
  21
  22 import org.openhab.binding.enocean.internal.discovery.EnOceanDeviceDiscoveryService;
  23 import org.openhab.binding.enocean.internal.handler.EnOceanBaseActuatorHandler;
  24 import org.openhab.binding.enocean.internal.handler.EnOceanBaseSensorHandler;
  25 import org.openhab.binding.enocean.internal.handler.EnOceanBridgeHandler;
  26 import org.openhab.binding.enocean.internal.handler.EnOceanClassicDeviceHandler;
  27 import org.openhab.core.config.discovery.DiscoveryService;
  28 import org.openhab.core.io.transport.serial.SerialPortManager;
  29 import org.openhab.core.thing.Bridge;
  30 import org.openhab.core.thing.Thing;
  31 import org.openhab.core.thing.ThingManager;
  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.openhab.core.thing.link.ItemChannelLinkRegistry;
  38 import org.osgi.framework.ServiceRegistration;
  39 import org.osgi.service.component.annotations.Component;
  40 import org.osgi.service.component.annotations.Reference;
  41
  42 /**
  43  * The {@link EnOceanHandlerFactory} is responsible for creating things and thing
  44  * handlers.
  45  *
  46  * @author Daniel Weber - Initial contribution
  47  */
  48 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.enocean")
  49 public class EnOceanHandlerFactory extends BaseThingHandlerFactory {
  50
  51     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Stream
  52             .concat(EnOceanBridgeHandler.SUPPORTED_THING_TYPES.stream(),
  53                     EnOceanBindingConstants.SUPPORTED_DEVICE_THING_TYPES_UIDS.stream())
  54             .collect(Collectors.toSet());
  55
  56     private Map<ThingUID, ServiceRegistration<?>> discoveryServiceRegs = new HashMap<>();
  57
  58     @Reference
  59     SerialPortManager serialPortManager;
  60
  61     @Reference
  62     ItemChannelLinkRegistry itemChannelLinkRegistry;
  63
  64     @Reference
  65     ThingManager thingManager;
  66
  67     @Override
  68     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  69         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  70     }
  71
  72     @Override
  73     protected ThingHandler createHandler(Thing thing) {
  74         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  75
  76         if (EnOceanBridgeHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
  77             EnOceanBridgeHandler bridgeHandler = new EnOceanBridgeHandler((Bridge) thing, serialPortManager);
  78             registerDeviceDiscoveryService(bridgeHandler);
  79             return bridgeHandler;
  80         } else if (EnOceanBaseActuatorHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
  81             return new EnOceanBaseActuatorHandler(thing, itemChannelLinkRegistry);
  82         } else if (EnOceanBaseSensorHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
  83             return new EnOceanBaseSensorHandler(thing, itemChannelLinkRegistry);
  84         } else if (EnOceanClassicDeviceHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
  85             return new EnOceanClassicDeviceHandler(thing, itemChannelLinkRegistry);
  86         }
  87
  88         return null;
  89     }
  90
  91     @Override
  92     protected void removeHandler(ThingHandler thingHandler) {
  93         if (this.discoveryServiceRegs != null) {
  94             ServiceRegistration<?> serviceReg = this.discoveryServiceRegs.get(thingHandler.getThing().getUID());
  95             if (serviceReg != null) {
  96                 serviceReg.unregister();
  97                 discoveryServiceRegs.remove(thingHandler.getThing().getUID());
  98             }
  99         }
 100     }
 101
 102     private void registerDeviceDiscoveryService(EnOceanBridgeHandler handler) {
 103         EnOceanDeviceDiscoveryService discoveryService = new EnOceanDeviceDiscoveryService(handler, thingManager);
 104         discoveryService.activate();
 105         this.discoveryServiceRegs.put(handler.getThing().getUID(),
 106                 bundleContext.registerService(DiscoveryService.class.getName(), discoveryService, new Hashtable<>()));
 107     }
 108 }