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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.Collections;
  16 import java.util.HashMap;
  17 import java.util.Hashtable;
  18 import java.util.Map;
  19 import java.util.Optional;
  20 import java.util.Set;
  21
  22 import org.eclipse.jdt.annotation.NonNullByDefault;
  23 import org.eclipse.jdt.annotation.Nullable;
  24 import org.openhab.binding.bluetooth.BluetoothAdapter;
  25 import org.openhab.binding.bluetooth.bluegiga.BlueGigaAdapterConstants;
  26 import org.openhab.binding.bluetooth.bluegiga.handler.BlueGigaBridgeHandler;
  27 import org.openhab.core.io.transport.serial.SerialPortManager;
  28 import org.openhab.core.thing.Bridge;
  29 import org.openhab.core.thing.Thing;
  30 import org.openhab.core.thing.ThingTypeUID;
  31 import org.openhab.core.thing.ThingUID;
  32 import org.openhab.core.thing.UID;
  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.osgi.framework.ServiceRegistration;
  37 import org.osgi.service.component.annotations.Component;
  38 import org.osgi.service.component.annotations.Reference;
  39
  40 /**
  41  * The {@link BlueGigaHandlerFactory} is responsible for creating things and thing
  42  * handlers.
  43  *
  44  * @author Chris Jackson - Initial contribution
  45  * @author Kai Kreuzer - added support for adapter service registration
  46  */
  47 @NonNullByDefault
  48 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.bluegiga")
  49 public class BlueGigaHandlerFactory extends BaseThingHandlerFactory {
  50
  51     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Collections
  52             .singleton(BlueGigaAdapterConstants.THING_TYPE_BLUEGIGA);
  53
  54     private final Map<ThingUID, ServiceRegistration<?>> serviceRegs = new HashMap<>();
  55
  56     private Optional<SerialPortManager> serialPortManager = Optional.empty();
  57
  58     @Reference
  59     protected void setSerialPortManager(final SerialPortManager serialPortManager) {
  60         this.serialPortManager = Optional.of(serialPortManager);
  61     }
  62
  63     protected void unsetSerialPortManager(final SerialPortManager serialPortManager) {
  64         this.serialPortManager = Optional.empty();
  65     }
  66
  67     @Override
  68     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  69         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  70     }
  71
  72     @Override
  73     @Nullable
  74     protected ThingHandler createHandler(Thing thing) {
  75         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  76
  77         if (thingTypeUID.equals(BlueGigaAdapterConstants.THING_TYPE_BLUEGIGA)) {
  78             BlueGigaBridgeHandler handler = new BlueGigaBridgeHandler((Bridge) thing, serialPortManager.get());
  79             registerBluetoothAdapter(handler);
  80             return handler;
  81         } else {
  82             return null;
  83         }
  84     }
  85
  86     private synchronized void registerBluetoothAdapter(BluetoothAdapter adapter) {
  87         this.serviceRegs.put(adapter.getUID(),
  88                 bundleContext.registerService(BluetoothAdapter.class.getName(), adapter, new Hashtable<>()));
  89     }
  90
  91     @SuppressWarnings("null")
  92     @Override
  93     protected synchronized void removeHandler(ThingHandler thingHandler) {
  94         if (thingHandler instanceof BluetoothAdapter) {
  95             UID uid = ((BluetoothAdapter) thingHandler).getUID();
  96             ServiceRegistration<?> serviceReg = this.serviceRegs.remove(uid);
  97             if (serviceReg != null) {
  98                 serviceReg.unregister();
  99             }
 100         }
 101     }
 102 }