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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.silvercrestwifisocket.internal;
  14
  15 import java.util.Collections;
  16 import java.util.Set;
  17
  18 import org.openhab.binding.silvercrestwifisocket.internal.exceptions.MacAddressNotValidException;
  19 import org.openhab.binding.silvercrestwifisocket.internal.handler.SilvercrestWifiSocketHandler;
  20 import org.openhab.binding.silvercrestwifisocket.internal.handler.SilvercrestWifiSocketMediator;
  21 import org.openhab.core.thing.Thing;
  22 import org.openhab.core.thing.ThingTypeUID;
  23 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  24 import org.openhab.core.thing.binding.ThingHandler;
  25 import org.openhab.core.thing.binding.ThingHandlerFactory;
  26 import org.osgi.service.component.annotations.Component;
  27 import org.osgi.service.component.annotations.Reference;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 /**
  32  * The {@link SilvercrestWifiSocketHandlerFactory} is responsible for creating things and thing
  33  * handlers.
  34  *
  35  * @author Jaime Vaz - Initial contribution
  36  */
  37 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.silvercrestwifisocket")
  38 public class SilvercrestWifiSocketHandlerFactory extends BaseThingHandlerFactory {
  39
  40     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Collections
  41             .singleton(SilvercrestWifiSocketBindingConstants.THING_TYPE_WIFI_SOCKET);
  42
  43     private final Logger logger = LoggerFactory.getLogger(SilvercrestWifiSocketHandlerFactory.class);
  44
  45     private SilvercrestWifiSocketMediator mediator;
  46
  47     /**
  48      * Used by OSGI to inject the mediator in the handler factory.
  49      *
  50      * @param mediator the mediator
  51      */
  52     @Reference
  53     public void setMediator(final SilvercrestWifiSocketMediator mediator) {
  54         logger.debug("Mediator has been injected on handler factory service.");
  55         this.mediator = mediator;
  56     }
  57
  58     /**
  59      * Used by OSGI to unsets the mediator from the handler factory.
  60      *
  61      * @param mediator the mediator
  62      */
  63     public void unsetMediator(final SilvercrestWifiSocketMediator mitsubishiMediator) {
  64         logger.debug("Mediator has been unsetted from discovery service.");
  65         this.mediator = null;
  66     }
  67
  68     @Override
  69     public boolean supportsThingType(final ThingTypeUID thingTypeUID) {
  70         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  71     }
  72
  73     @Override
  74     protected ThingHandler createHandler(final Thing thing) {
  75         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  76
  77         if (thingTypeUID.equals(SilvercrestWifiSocketBindingConstants.THING_TYPE_WIFI_SOCKET)) {
  78             SilvercrestWifiSocketHandler handler;
  79             logger.debug("Creating a new SilvercrestWifiSocketHandler...");
  80             try {
  81                 handler = new SilvercrestWifiSocketHandler(thing);
  82                 logger.debug("SilvercrestWifiSocketMediator will register the handler.");
  83                 if (this.mediator != null) {
  84                     this.mediator.registerThingAndWifiSocketHandler(thing, handler);
  85                 } else {
  86                     logger.error(
  87                             "The mediator is missing on Handler factory. Without one mediator the handler cannot work!");
  88                     return null;
  89                 }
  90                 return handler;
  91             } catch (MacAddressNotValidException e) {
  92                 logger.debug("The mac address passed to WifiSocketHandler by configurations is not valid.");
  93             }
  94         }
  95         return null;
  96     }
  97
  98     @Override
  99     public void unregisterHandler(final Thing thing) {
 100         if (this.mediator != null) {
 101             this.mediator.unregisterWifiSocketHandlerByThing(thing);
 102         }
 103         super.unregisterHandler(thing);
 104     }
 105 }