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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.roaming.internal;
  14
  15 import static org.openhab.binding.bluetooth.roaming.internal.RoamingBindingConstants.THING_TYPE_ROAMING;
  16
  17 import java.util.HashMap;
  18 import java.util.Hashtable;
  19 import java.util.Map;
  20
  21 import org.eclipse.jdt.annotation.NonNullByDefault;
  22 import org.eclipse.jdt.annotation.Nullable;
  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.Component;
  33
  34 /**
  35  * The {@link RoamingHandlerFactory} is responsible for creating things and thing
  36  * handlers.
  37  *
  38  * @author Connor Petty - Initial contribution
  39  */
  40 @NonNullByDefault
  41 @Component(configurationPid = "binding.roaming", service = ThingHandlerFactory.class)
  42 public class RoamingHandlerFactory extends BaseThingHandlerFactory {
  43
  44     private final Map<ThingUID, ServiceRegistration<?>> serviceRegs = new HashMap<>();
  45
  46     @Override
  47     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  48         return RoamingBindingConstants.SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  49     }
  50
  51     @Override
  52     protected @Nullable ThingHandler createHandler(Thing thing) {
  53         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  54
  55         if (THING_TYPE_ROAMING.equals(thingTypeUID)) {
  56             RoamingBridgeHandler handler = new RoamingBridgeHandler((Bridge) thing);
  57             registerRoamingBluetoothAdapter(handler);
  58             return handler;
  59         }
  60
  61         return null;
  62     }
  63
  64     private synchronized void registerRoamingBluetoothAdapter(RoamingBluetoothAdapter adapter) {
  65         this.serviceRegs.put(adapter.getUID(),
  66                 bundleContext.registerService(RoamingBluetoothAdapter.class.getName(), adapter, new Hashtable<>()));
  67     }
  68
  69     @Override
  70     protected synchronized void removeHandler(ThingHandler thingHandler) {
  71         if (thingHandler instanceof RoamingBluetoothAdapter bluetoothAdapter) {
  72             UID uid = bluetoothAdapter.getUID();
  73             ServiceRegistration<?> serviceReg = this.serviceRegs.remove(uid);
  74             if (serviceReg != null) {
  75                 serviceReg.unregister();
  76             }
  77         }
  78     }
  79 }