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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.mcp23017.internal;
  14
  15 import static org.openhab.binding.mcp23017.internal.Mcp23017BindingConstants.THING_TYPE_MCP23017;
  16
  17 import java.util.Collections;
  18 import java.util.Set;
  19
  20 import org.openhab.binding.mcp23017.internal.handler.Mcp23017Handler;
  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.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 /**
  31  * The {@link Mcp23017HandlerFactory} is responsible for creating thing
  32  * handlers.
  33  *
  34  * @author Anatol Ogorek - Initial contribution
  35  */
  36 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.mcp23017")
  37 public class Mcp23017HandlerFactory extends BaseThingHandlerFactory {
  38
  39     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Collections.singleton(THING_TYPE_MCP23017);
  40     private final Logger logger = LoggerFactory.getLogger(Mcp23017HandlerFactory.class);
  41
  42     @Override
  43     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  44         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  45     }
  46
  47     @Override
  48     protected ThingHandler createHandler(Thing thing) {
  49         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  50         logger.debug("Trying to create handler for {}", thingTypeUID.getAsString());
  51         if (thingTypeUID.equals(THING_TYPE_MCP23017)) {
  52             logger.debug("Handler match for {}", thingTypeUID.getAsString());
  53             return new Mcp23017Handler(thing);
  54         }
  55         logger.debug("No handler match for {}", thingTypeUID.getAsString());
  56         return null;
  57     }
  58 }