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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.exec.internal;
  14
  15 import static org.openhab.binding.exec.internal.ExecBindingConstants.THING_COMMAND;
  16
  17 import java.util.Set;
  18
  19 import org.eclipse.jdt.annotation.NonNullByDefault;
  20 import org.eclipse.jdt.annotation.Nullable;
  21 import org.openhab.binding.exec.internal.handler.ExecHandler;
  22 import org.openhab.core.thing.Thing;
  23 import org.openhab.core.thing.ThingTypeUID;
  24 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  25 import org.openhab.core.thing.binding.ThingHandler;
  26 import org.openhab.core.thing.binding.ThingHandlerFactory;
  27 import org.osgi.service.component.annotations.Activate;
  28 import org.osgi.service.component.annotations.Component;
  29 import org.osgi.service.component.annotations.Reference;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 /**
  34  * The {@link ExecHandlerFactory} is responsible for creating things and thing
  35  * handlers.
  36  *
  37  * @author Karel Goderis - Initial contribution
  38  */
  39 @NonNullByDefault
  40 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.exec")
  41 public class ExecHandlerFactory extends BaseThingHandlerFactory {
  42     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Set.of(THING_COMMAND);
  43     private final Logger logger = LoggerFactory.getLogger(ExecHandlerFactory.class);
  44     private final ExecWhitelistWatchService execWhitelistWatchService;
  45
  46     @Activate
  47     public ExecHandlerFactory(@Reference ExecWhitelistWatchService execWhitelistWatchService) {
  48         this.execWhitelistWatchService = execWhitelistWatchService;
  49     }
  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
  60         if (thingTypeUID.equals(THING_COMMAND)) {
  61             return new ExecHandler(thing, execWhitelistWatchService);
  62         }
  63
  64         return null;
  65     }
  66 }