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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.HashMap;
  16 import java.util.Hashtable;
  17 import java.util.Map;
  18 import java.util.Set;
  19
  20 import org.eclipse.jdt.annotation.NonNullByDefault;
  21 import org.eclipse.jdt.annotation.Nullable;
  22 import org.openhab.binding.bluetooth.BluetoothAdapter;
  23 import org.openhab.core.thing.Bridge;
  24 import org.openhab.core.thing.Thing;
  25 import org.openhab.core.thing.ThingTypeUID;
  26 import org.openhab.core.thing.ThingUID;
  27 import org.openhab.core.thing.UID;
  28 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  29 import org.openhab.core.thing.binding.ThingHandler;
  30 import org.openhab.core.thing.binding.ThingHandlerFactory;
  31 import org.osgi.framework.ServiceRegistration;
  32 import org.osgi.service.component.annotations.Activate;
  33 import org.osgi.service.component.annotations.Component;
  34 import org.osgi.service.component.annotations.Reference;
  35
  36 /**
  37  * The {@link BlueZHandlerFactory} is responsible for creating things and thing
  38  * handlers.
  39  *
  40  * @author Kai Kreuzer - Initial contribution and API
  41  * @author Connor Petty - Added DeviceManagerFactory
  42  */
  43 @NonNullByDefault
  44 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.bluetooth.bluez")
  45 public class BlueZHandlerFactory extends BaseThingHandlerFactory {
  46
  47     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Set.of(BlueZAdapterConstants.THING_TYPE_BLUEZ);
  48
  49     private final Map<ThingUID, ServiceRegistration<?>> serviceRegs = new HashMap<>();
  50
  51     private final DeviceManagerFactory deviceManagerFactory;
  52
  53     @Activate
  54     public BlueZHandlerFactory(@Reference DeviceManagerFactory deviceManagerFactory) {
  55         this.deviceManagerFactory = deviceManagerFactory;
  56     }
  57
  58     @Override
  59     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  60         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  61     }
  62
  63     @Override
  64     protected @Nullable ThingHandler createHandler(Thing thing) {
  65         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  66
  67         if (thingTypeUID.equals(BlueZAdapterConstants.THING_TYPE_BLUEZ)) {
  68             BlueZBridgeHandler handler = new BlueZBridgeHandler((Bridge) thing, deviceManagerFactory);
  69             registerBluetoothAdapter(handler);
  70             return handler;
  71         } else {
  72             return null;
  73         }
  74     }
  75
  76     private synchronized void registerBluetoothAdapter(BluetoothAdapter adapter) {
  77         this.serviceRegs.put(adapter.getUID(),
  78                 bundleContext.registerService(BluetoothAdapter.class.getName(), adapter, new Hashtable<>()));
  79     }
  80
  81     @Override
  82     protected synchronized void removeHandler(ThingHandler thingHandler) {
  83         if (thingHandler instanceof BluetoothAdapter bluetoothAdapter) {
  84             UID uid = bluetoothAdapter.getUID();
  85             ServiceRegistration<?> serviceReg = this.serviceRegs.remove(uid);
  86             if (serviceReg != null) {
  87                 serviceReg.unregister();
  88             }
  89         }
  90     }
  91 }