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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.bluetooth.bluez.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
  21 import org.eclipse.jdt.annotation.NonNullByDefault;
  22 import org.eclipse.jdt.annotation.Nullable;
  23 import org.openhab.binding.bluetooth.BluetoothAdapter;
  24 import org.openhab.core.thing.Bridge;
  25 import org.openhab.core.thing.Thing;
  26 import org.openhab.core.thing.ThingTypeUID;
  27 import org.openhab.core.thing.ThingUID;
  28 import org.openhab.core.thing.UID;
  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.Activate;
  34 import org.osgi.service.component.annotations.Component;
  35 import org.osgi.service.component.annotations.Reference;
  36
  37 /**
  38  * The {@link BlueZHandlerFactory} is responsible for creating things and thing
  39  * handlers.
  40  *
  41  * @author Kai Kreuzer - Initial contribution and API
  42  * @author Connor Petty - Added DeviceManagerFactory
  43  */
  44 @NonNullByDefault
  45 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.bluetooth.bluez")
  46 public class BlueZHandlerFactory extends BaseThingHandlerFactory {
  47
  48     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Collections
  49             .singleton(BlueZAdapterConstants.THING_TYPE_BLUEZ);
  50
  51     private final Map<ThingUID, ServiceRegistration<?>> serviceRegs = new HashMap<>();
  52
  53     private final DeviceManagerFactory deviceManagerFactory;
  54
  55     @Activate
  56     public BlueZHandlerFactory(@Reference DeviceManagerFactory deviceManagerFactory) {
  57         this.deviceManagerFactory = deviceManagerFactory;
  58     }
  59
  60     @Override
  61     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  62         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  63     }
  64
  65     @Override
  66     protected @Nullable ThingHandler createHandler(Thing thing) {
  67         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  68
  69         if (thingTypeUID.equals(BlueZAdapterConstants.THING_TYPE_BLUEZ)) {
  70             BlueZBridgeHandler handler = new BlueZBridgeHandler((Bridge) thing, deviceManagerFactory);
  71             registerBluetoothAdapter(handler);
  72             return handler;
  73         } else {
  74             return null;
  75         }
  76     }
  77
  78     private synchronized void registerBluetoothAdapter(BluetoothAdapter adapter) {
  79         this.serviceRegs.put(adapter.getUID(),
  80                 bundleContext.registerService(BluetoothAdapter.class.getName(), adapter, new Hashtable<>()));
  81     }
  82
  83     @Override
  84     protected synchronized void removeHandler(ThingHandler thingHandler) {
  85         if (thingHandler instanceof BluetoothAdapter) {
  86             UID uid = ((BluetoothAdapter) thingHandler).getUID();
  87             ServiceRegistration<?> serviceReg = this.serviceRegs.remove(uid);
  88             if (serviceReg != null) {
  89                 serviceReg.unregister();
  90             }
  91         }
  92     }
  93 }