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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.paradoxalarm.internal.handlers;
  14
  15 import static org.openhab.binding.paradoxalarm.internal.handlers.ParadoxAlarmBindingConstants.*;
  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.paradoxalarm.internal.discovery.ParadoxDiscoveryService;
  24 import org.openhab.core.config.discovery.DiscoveryService;
  25 import org.openhab.core.thing.Bridge;
  26 import org.openhab.core.thing.Thing;
  27 import org.openhab.core.thing.ThingTypeUID;
  28 import org.openhab.core.thing.ThingUID;
  29 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  30 import org.openhab.core.thing.binding.ThingHandler;
  31 import org.openhab.core.thing.binding.ThingHandlerFactory;
  32 import org.osgi.framework.ServiceRegistration;
  33 import org.osgi.service.component.annotations.Component;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36
  37 /**
  38  * The {@link ParadoxAlarmHandlerFactory} is responsible for creating things and thing
  39  * handlers.
  40  *
  41  * @author Konstantin Polihronov - Initial contribution
  42  */
  43 @NonNullByDefault
  44 @Component(configurationPid = "binding.paradoxalarm", service = ThingHandlerFactory.class)
  45 public class ParadoxAlarmHandlerFactory extends BaseThingHandlerFactory {
  46
  47     private final Logger logger = LoggerFactory.getLogger(ParadoxAlarmHandlerFactory.class);
  48
  49     private final Map<ThingUID, ServiceRegistration<?>> discoveryServiceRegs = new HashMap<>();
  50
  51     @Override
  52     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  53         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  54     }
  55
  56     @Override
  57     protected @Nullable ThingHandler createHandler(Thing thing) {
  58         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  59         ThingUID thingUID = thing.getUID();
  60         if (COMMUNICATOR_THING_TYPE_UID.equals(thingTypeUID)) {
  61             logger.debug("createHandler(): ThingHandler created for {}", thingUID);
  62
  63             ParadoxIP150BridgeHandler paradoxIP150BridgeHandler = new ParadoxIP150BridgeHandler((Bridge) thing);
  64             registerDiscoveryService(paradoxIP150BridgeHandler);
  65
  66             return paradoxIP150BridgeHandler;
  67         } else if (PANEL_THING_TYPE_UID.equals(thingTypeUID)) {
  68             logger.debug("createHandler(): ThingHandler created for {}", thingUID);
  69             return new ParadoxPanelHandler(thing);
  70         } else if (PARTITION_THING_TYPE_UID.equals(thingTypeUID)) {
  71             logger.debug("createHandler(): ThingHandler created for {}", thingUID);
  72             return new ParadoxPartitionHandler(thing);
  73         } else if (ZONE_THING_TYPE_UID.equals(thingTypeUID)) {
  74             logger.debug("createHandler(): ThingHandler created for {}", thingUID);
  75             return new ParadoxZoneHandler(thing);
  76         } else {
  77             logger.warn("Handler implementation not found for Thing: {}", thingUID);
  78         }
  79         return null;
  80     }
  81
  82     private void registerDiscoveryService(ParadoxIP150BridgeHandler paradoxIP150BridgeHandler) {
  83         ParadoxDiscoveryService discoveryService = new ParadoxDiscoveryService(paradoxIP150BridgeHandler);
  84         ServiceRegistration<?> serviceRegistration = bundleContext.registerService(DiscoveryService.class.getName(),
  85                 discoveryService, new Hashtable<>());
  86         this.discoveryServiceRegs.put(paradoxIP150BridgeHandler.getThing().getUID(), serviceRegistration);
  87     }
  88
  89     @Override
  90     protected void removeHandler(ThingHandler thingHandler) {
  91         if (thingHandler instanceof ParadoxIP150BridgeHandler) {
  92             ServiceRegistration<?> serviceReg = this.discoveryServiceRegs.remove(thingHandler.getThing().getUID());
  93             if (serviceReg != null) {
  94                 serviceReg.unregister();
  95             }
  96         }
  97     }
  98 }