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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.Collections;
  18 import java.util.Set;
  19
  20 import org.eclipse.jdt.annotation.NonNullByDefault;
  21 import org.eclipse.jdt.annotation.Nullable;
  22 import org.openhab.binding.exec.internal.handler.ExecHandler;
  23 import org.openhab.core.thing.Thing;
  24 import org.openhab.core.thing.ThingTypeUID;
  25 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  26 import org.openhab.core.thing.binding.ThingHandler;
  27 import org.openhab.core.thing.binding.ThingHandlerFactory;
  28 import org.osgi.service.component.annotations.Activate;
  29 import org.osgi.service.component.annotations.Component;
  30 import org.osgi.service.component.annotations.Reference;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 /**
  35  * The {@link ExecHandlerFactory} is responsible for creating things and thing
  36  * handlers.
  37  *
  38  * @author Karel Goderis - Initial contribution
  39  */
  40 @NonNullByDefault
  41 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.exec")
  42 public class ExecHandlerFactory extends BaseThingHandlerFactory {
  43     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Collections.singleton(THING_COMMAND);
  44     private final Logger logger = LoggerFactory.getLogger(ExecHandlerFactory.class);
  45     private final ExecWhitelistWatchService execWhitelistWatchService;
  46
  47     @Activate
  48     public ExecHandlerFactory(@Reference ExecWhitelistWatchService execWhitelistWatchService) {
  49         this.execWhitelistWatchService = execWhitelistWatchService;
  50     }
  51
  52     @Override
  53     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  54         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  55     }
  56
  57     @Override
  58     protected @Nullable ThingHandler createHandler(Thing thing) {
  59         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  60
  61         if (thingTypeUID.equals(THING_COMMAND)) {
  62             return new ExecHandler(thing, execWhitelistWatchService);
  63         }
  64
  65         return null;
  66     }
  67 }