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