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   1 /**
   2  * Copyright (c) 2010-2020 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.plugwise.internal;
  14
  15 import static org.openhab.binding.plugwise.internal.PlugwiseBindingConstants.*;
  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.binding.plugwise.internal.handler.PlugwiseRelayDeviceHandler;
  24 import org.openhab.binding.plugwise.internal.handler.PlugwiseScanHandler;
  25 import org.openhab.binding.plugwise.internal.handler.PlugwiseSenseHandler;
  26 import org.openhab.binding.plugwise.internal.handler.PlugwiseStickHandler;
  27 import org.openhab.binding.plugwise.internal.handler.PlugwiseSwitchHandler;
  28 import org.openhab.core.config.discovery.DiscoveryService;
  29 import org.openhab.core.io.transport.serial.SerialPortManager;
  30 import org.openhab.core.thing.Bridge;
  31 import org.openhab.core.thing.Thing;
  32 import org.openhab.core.thing.ThingTypeUID;
  33 import org.openhab.core.thing.ThingUID;
  34 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  35 import org.openhab.core.thing.binding.ThingHandler;
  36 import org.openhab.core.thing.binding.ThingHandlerFactory;
  37 import org.osgi.framework.ServiceRegistration;
  38 import org.osgi.service.component.annotations.Activate;
  39 import org.osgi.service.component.annotations.Component;
  40 import org.osgi.service.component.annotations.Reference;
  41
  42 /**
  43  * The {@link PlugwiseHandlerFactory} is responsible for creating Plugwise things and thing handlers.
  44  *
  45  * @author Wouter Born - Initial contribution
  46  */
  47 @NonNullByDefault
  48 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.plugwise")
  49 public class PlugwiseHandlerFactory extends BaseThingHandlerFactory {
  50
  51     private final Map<ThingUID, @Nullable ServiceRegistration<?>> discoveryServiceRegistrations = new HashMap<>();
  52
  53     private final SerialPortManager serialPortManager;
  54
  55     @Activate
  56     public PlugwiseHandlerFactory(final @Reference SerialPortManager serialPortManager) {
  57         this.serialPortManager = serialPortManager;
  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(THING_TYPE_STICK)) {
  70             PlugwiseStickHandler handler = new PlugwiseStickHandler((Bridge) thing, serialPortManager);
  71             registerDiscoveryService(handler);
  72             return handler;
  73         } else if (thingTypeUID.equals(THING_TYPE_CIRCLE) || thingTypeUID.equals(THING_TYPE_CIRCLE_PLUS)
  74                 || thingTypeUID.equals(THING_TYPE_STEALTH)) {
  75             return new PlugwiseRelayDeviceHandler(thing);
  76         } else if (thingTypeUID.equals(THING_TYPE_SCAN)) {
  77             return new PlugwiseScanHandler(thing);
  78         } else if (thingTypeUID.equals(THING_TYPE_SENSE)) {
  79             return new PlugwiseSenseHandler(thing);
  80         } else if (thingTypeUID.equals(THING_TYPE_SWITCH)) {
  81             return new PlugwiseSwitchHandler(thing);
  82         }
  83
  84         return null;
  85     }
  86
  87     private void registerDiscoveryService(PlugwiseStickHandler handler) {
  88         PlugwiseThingDiscoveryService discoveryService = new PlugwiseThingDiscoveryService(handler);
  89         discoveryService.activate();
  90         this.discoveryServiceRegistrations.put(handler.getThing().getUID(),
  91                 bundleContext.registerService(DiscoveryService.class.getName(), discoveryService, new Hashtable<>()));
  92     }
  93
  94     @Override
  95     protected void removeHandler(ThingHandler thingHandler) {
  96         ServiceRegistration<?> registration = this.discoveryServiceRegistrations.get(thingHandler.getThing().getUID());
  97         if (registration != null) {
  98             PlugwiseThingDiscoveryService discoveryService = (PlugwiseThingDiscoveryService) bundleContext
  99                     .getService(registration.getReference());
 100             discoveryService.deactivate();
 101             registration.unregister();
 102             discoveryServiceRegistrations.remove(thingHandler.getThing().getUID());
 103         }
 104     }
 105 }