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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.serialbutton.internal;
  14
  15 import java.util.Set;
  16
  17 import org.eclipse.jdt.annotation.NonNullByDefault;
  18 import org.eclipse.jdt.annotation.Nullable;
  19 import org.openhab.binding.serialbutton.internal.handler.SerialButtonHandler;
  20 import org.openhab.core.io.transport.serial.SerialPortManager;
  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
  29 /**
  30  * The {@link SerialButtonHandlerFactory} is responsible for creating things and thing
  31  * handlers.
  32  *
  33  * @author Kai Kreuzer - Initial contribution
  34  */
  35 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.serialbutton")
  36 @NonNullByDefault
  37 public class SerialButtonHandlerFactory extends BaseThingHandlerFactory {
  38
  39     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Set
  40             .of(SerialButtonBindingConstants.THING_TYPE_BUTTON);
  41
  42     private @NonNullByDefault({}) SerialPortManager serialPortManager;
  43
  44     @Reference
  45     protected void setSerialPortManager(final SerialPortManager serialPortManager) {
  46         this.serialPortManager = serialPortManager;
  47     }
  48
  49     protected void unsetSerialPortManager(final SerialPortManager serialPortManager) {
  50         this.serialPortManager = null;
  51     }
  52
  53     @Override
  54     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  55         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  56     }
  57
  58     @Override
  59     protected @Nullable ThingHandler createHandler(Thing thing) {
  60         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  61
  62         if (thingTypeUID.equals(SerialButtonBindingConstants.THING_TYPE_BUTTON)) {
  63             return new SerialButtonHandler(thing, serialPortManager);
  64         }
  65
  66         return null;
  67     }
  68 }