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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.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.eclipse.jdt.annotation.NonNullByDefault;
  23 import org.eclipse.jdt.annotation.Nullable;
  24 import org.openhab.binding.enocean.internal.discovery.EnOceanDeviceDiscoveryService;
  25 import org.openhab.binding.enocean.internal.handler.EnOceanBaseActuatorHandler;
  26 import org.openhab.binding.enocean.internal.handler.EnOceanBaseSensorHandler;
  27 import org.openhab.binding.enocean.internal.handler.EnOceanBridgeHandler;
  28 import org.openhab.binding.enocean.internal.handler.EnOceanClassicDeviceHandler;
  29 import org.openhab.core.config.discovery.DiscoveryService;
  30 import org.openhab.core.io.transport.serial.SerialPortManager;
  31 import org.openhab.core.thing.Bridge;
  32 import org.openhab.core.thing.Thing;
  33 import org.openhab.core.thing.ThingManager;
  34 import org.openhab.core.thing.ThingTypeUID;
  35 import org.openhab.core.thing.ThingUID;
  36 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  37 import org.openhab.core.thing.binding.ThingHandler;
  38 import org.openhab.core.thing.binding.ThingHandlerFactory;
  39 import org.openhab.core.thing.link.ItemChannelLinkRegistry;
  40 import org.osgi.framework.ServiceRegistration;
  41 import org.osgi.service.component.annotations.Activate;
  42 import org.osgi.service.component.annotations.Component;
  43 import org.osgi.service.component.annotations.Reference;
  44
  45 /**
  46  * The {@link EnOceanHandlerFactory} is responsible for creating things and thing
  47  * handlers.
  48  *
  49  * @author Daniel Weber - Initial contribution
  50  */
  51 @NonNullByDefault
  52 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.enocean")
  53 public class EnOceanHandlerFactory extends BaseThingHandlerFactory {
  54
  55     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Stream
  56             .concat(EnOceanBridgeHandler.SUPPORTED_THING_TYPES.stream(),
  57                     EnOceanBindingConstants.SUPPORTED_DEVICE_THING_TYPES_UIDS.stream())
  58             .collect(Collectors.toSet());
  59
  60     private Map<ThingUID, ServiceRegistration<?>> discoveryServiceRegs = new HashMap<>();
  61
  62     private final SerialPortManager serialPortManager;
  63     private final ThingManager thingManager;
  64     private final ItemChannelLinkRegistry itemChannelLinkRegistry;
  65
  66     @Activate
  67     public EnOceanHandlerFactory(final @Reference SerialPortManager serialPortManager,
  68             final @Reference ThingManager thingManager,
  69             final @Reference ItemChannelLinkRegistry itemChannelLinkRegistry) {
  70         // Obtain references to thes service using an OSGi reference
  71         this.serialPortManager = serialPortManager;
  72         this.thingManager = thingManager;
  73         this.itemChannelLinkRegistry = itemChannelLinkRegistry;
  74     }
  75
  76     @Override
  77     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  78         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  79     }
  80
  81     @Override
  82     protected @Nullable ThingHandler createHandler(Thing thing) {
  83         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  84         if (EnOceanBridgeHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
  85             EnOceanBridgeHandler bridgeHandler = new EnOceanBridgeHandler((Bridge) thing, serialPortManager);
  86             registerDeviceDiscoveryService(bridgeHandler);
  87             return bridgeHandler;
  88         } else if (EnOceanBaseActuatorHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
  89             return new EnOceanBaseActuatorHandler(thing, itemChannelLinkRegistry);
  90         } else if (EnOceanBaseSensorHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
  91             return new EnOceanBaseSensorHandler(thing, itemChannelLinkRegistry);
  92         } else if (EnOceanClassicDeviceHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
  93             return new EnOceanClassicDeviceHandler(thing, itemChannelLinkRegistry);
  94         }
  95
  96         return null;
  97     }
  98
  99     @Override
 100     protected void removeHandler(ThingHandler thingHandler) {
 101         ServiceRegistration<?> serviceReg = this.discoveryServiceRegs.get(thingHandler.getThing().getUID());
 102         if (serviceReg != null) {
 103             serviceReg.unregister();
 104             discoveryServiceRegs.remove(thingHandler.getThing().getUID());
 105         }
 106     }
 107
 108     private void registerDeviceDiscoveryService(EnOceanBridgeHandler handler) {
 109         EnOceanDeviceDiscoveryService discoveryService = new EnOceanDeviceDiscoveryService(handler, thingManager);
 110         discoveryService.activate();
 111         this.discoveryServiceRegs.put(handler.getThing().getUID(),
 112                 bundleContext.registerService(DiscoveryService.class.getName(), discoveryService, new Hashtable<>()));
 113     }
 114 }