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   1 /**
   2  * Copyright (c) 2010-2020 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.ThingTypeUID;
  32 import org.openhab.core.thing.ThingUID;
  33 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  34 import org.openhab.core.thing.binding.ThingHandler;
  35 import org.openhab.core.thing.binding.ThingHandlerFactory;
  36 import org.openhab.core.thing.link.ItemChannelLinkRegistry;
  37 import org.osgi.framework.ServiceRegistration;
  38 import org.osgi.service.component.annotations.Component;
  39 import org.osgi.service.component.annotations.Reference;
  40
  41 /**
  42  * The {@link EnOceanHandlerFactory} is responsible for creating things and thing
  43  * handlers.
  44  *
  45  * @author Daniel Weber - Initial contribution
  46  */
  47 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.enocean")
  48 public class EnOceanHandlerFactory extends BaseThingHandlerFactory {
  49
  50     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Stream
  51             .concat(EnOceanBridgeHandler.SUPPORTED_THING_TYPES.stream(),
  52                     EnOceanBindingConstants.SUPPORTED_DEVICE_THING_TYPES_UIDS.stream())
  53             .collect(Collectors.toSet());
  54
  55     private Map<ThingUID, ServiceRegistration<?>> discoveryServiceRegs = new HashMap<>();
  56
  57     @Reference
  58     SerialPortManager serialPortManager;
  59
  60     @Reference
  61     ItemChannelLinkRegistry itemChannelLinkRegistry;
  62
  63     @Override
  64     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  65         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  66     }
  67
  68     @Override
  69     protected ThingHandler createHandler(Thing thing) {
  70         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  71
  72         if (EnOceanBridgeHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
  73             EnOceanBridgeHandler bridgeHandler = new EnOceanBridgeHandler((Bridge) thing, serialPortManager);
  74             registerDeviceDiscoveryService(bridgeHandler);
  75             return bridgeHandler;
  76         } else if (EnOceanBaseActuatorHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
  77             return new EnOceanBaseActuatorHandler(thing, itemChannelLinkRegistry);
  78         } else if (EnOceanBaseSensorHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
  79             return new EnOceanBaseSensorHandler(thing, itemChannelLinkRegistry);
  80         } else if (EnOceanClassicDeviceHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
  81             return new EnOceanClassicDeviceHandler(thing, itemChannelLinkRegistry);
  82         }
  83
  84         return null;
  85     }
  86
  87     @Override
  88     protected void removeHandler(ThingHandler thingHandler) {
  89         if (this.discoveryServiceRegs != null) {
  90             ServiceRegistration<?> serviceReg = this.discoveryServiceRegs.get(thingHandler.getThing().getUID());
  91             if (serviceReg != null) {
  92                 serviceReg.unregister();
  93                 discoveryServiceRegs.remove(thingHandler.getThing().getUID());
  94             }
  95         }
  96     }
  97
  98     private void registerDeviceDiscoveryService(EnOceanBridgeHandler handler) {
  99         EnOceanDeviceDiscoveryService discoveryService = new EnOceanDeviceDiscoveryService(handler);
 100         discoveryService.activate();
 101         this.discoveryServiceRegs.put(handler.getThing().getUID(),
 102                 bundleContext.registerService(DiscoveryService.class.getName(), discoveryService, new Hashtable<>()));
 103     }
 104 }