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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.bluegiga.internal.factory;
  14
  15 import java.util.HashMap;
  16 import java.util.Hashtable;
  17 import java.util.Map;
  18 import java.util.Optional;
  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.binding.bluetooth.bluegiga.BlueGigaAdapterConstants;
  25 import org.openhab.binding.bluetooth.bluegiga.handler.BlueGigaBridgeHandler;
  26 import org.openhab.core.io.transport.serial.SerialPortManager;
  27 import org.openhab.core.thing.Bridge;
  28 import org.openhab.core.thing.Thing;
  29 import org.openhab.core.thing.ThingTypeUID;
  30 import org.openhab.core.thing.ThingUID;
  31 import org.openhab.core.thing.UID;
  32 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  33 import org.openhab.core.thing.binding.ThingHandler;
  34 import org.openhab.core.thing.binding.ThingHandlerFactory;
  35 import org.osgi.framework.ServiceRegistration;
  36 import org.osgi.service.component.annotations.Component;
  37 import org.osgi.service.component.annotations.Reference;
  38
  39 /**
  40  * The {@link BlueGigaHandlerFactory} is responsible for creating things and thing
  41  * handlers.
  42  *
  43  * @author Chris Jackson - Initial contribution
  44  * @author Kai Kreuzer - added support for adapter service registration
  45  */
  46 @NonNullByDefault
  47 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.bluegiga")
  48 public class BlueGigaHandlerFactory extends BaseThingHandlerFactory {
  49
  50     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Set
  51             .of(BlueGigaAdapterConstants.THING_TYPE_BLUEGIGA);
  52
  53     private final Map<ThingUID, ServiceRegistration<?>> serviceRegs = new HashMap<>();
  54
  55     private Optional<SerialPortManager> serialPortManager = Optional.empty();
  56
  57     @Reference
  58     protected void setSerialPortManager(final SerialPortManager serialPortManager) {
  59         this.serialPortManager = Optional.of(serialPortManager);
  60     }
  61
  62     protected void unsetSerialPortManager(final SerialPortManager serialPortManager) {
  63         this.serialPortManager = Optional.empty();
  64     }
  65
  66     @Override
  67     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  68         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  69     }
  70
  71     @Override
  72     @Nullable
  73     protected ThingHandler createHandler(Thing thing) {
  74         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  75
  76         if (thingTypeUID.equals(BlueGigaAdapterConstants.THING_TYPE_BLUEGIGA)) {
  77             BlueGigaBridgeHandler handler = new BlueGigaBridgeHandler((Bridge) thing, serialPortManager.get());
  78             registerBluetoothAdapter(handler);
  79             return handler;
  80         } else {
  81             return null;
  82         }
  83     }
  84
  85     private synchronized void registerBluetoothAdapter(BluetoothAdapter adapter) {
  86         this.serviceRegs.put(adapter.getUID(),
  87                 bundleContext.registerService(BluetoothAdapter.class.getName(), adapter, new Hashtable<>()));
  88     }
  89
  90     @Override
  91     protected synchronized void removeHandler(ThingHandler thingHandler) {
  92         if (thingHandler instanceof BluetoothAdapter bluetoothAdapter) {
  93             UID uid = bluetoothAdapter.getUID();
  94             ServiceRegistration<?> serviceReg = this.serviceRegs.remove(uid);
  95             if (serviceReg != null) {
  96                 serviceReg.unregister();
  97             }
  98         }
  99     }
 100 }