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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.ipp.internal.factory;
  14
  15 import static org.openhab.binding.ipp.internal.IppBindingConstants.*;
  16
  17 import org.eclipse.jdt.annotation.NonNullByDefault;
  18 import org.eclipse.jdt.annotation.Nullable;
  19 import org.openhab.binding.ipp.internal.handler.IppPrinterHandler;
  20 import org.openhab.core.config.core.Configuration;
  21 import org.openhab.core.config.discovery.DiscoveryServiceRegistry;
  22 import org.openhab.core.thing.Thing;
  23 import org.openhab.core.thing.ThingTypeUID;
  24 import org.openhab.core.thing.ThingUID;
  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 IppHandlerFactory} is responsible for creating things and thing
  36  * handlers.
  37  *
  38  * @author Tobias Braeutigam - Initial contribution
  39  */
  40 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.ipp")
  41 @NonNullByDefault
  42 public class IppHandlerFactory extends BaseThingHandlerFactory {
  43     private final Logger logger = LoggerFactory.getLogger(IppHandlerFactory.class);
  44
  45     private final DiscoveryServiceRegistry discoveryServiceRegistry;
  46
  47     @Activate
  48     public IppHandlerFactory(final @Reference DiscoveryServiceRegistry discoveryServiceRegistry) {
  49         this.discoveryServiceRegistry = discoveryServiceRegistry;
  50     }
  51
  52     @Override
  53     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  54         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  55     }
  56
  57     @Override
  58     public @Nullable Thing createThing(ThingTypeUID thingTypeUID, Configuration configuration,
  59             @Nullable ThingUID thingUID, @Nullable ThingUID bridgeUID) {
  60         logger.trace("createThing({},{},{},{})", thingTypeUID, configuration, thingUID, bridgeUID);
  61         if (PRINTER_THING_TYPE.equals(thingTypeUID)) {
  62             ThingUID deviceUID = getIppPrinterUID(thingTypeUID, thingUID, configuration);
  63             logger.debug("creating thing {} from deviceUID: {}", thingTypeUID, deviceUID);
  64             return super.createThing(thingTypeUID, configuration, deviceUID, null);
  65         }
  66         throw new IllegalArgumentException("The thing type " + thingTypeUID + " is not supported by the binding.");
  67     }
  68
  69     private ThingUID getIppPrinterUID(ThingTypeUID thingTypeUID, @Nullable ThingUID thingUID,
  70             Configuration configuration) {
  71         if (thingUID == null) {
  72             String name = (String) configuration.get(PRINTER_PARAMETER_NAME);
  73             return new ThingUID(thingTypeUID, name);
  74         }
  75         return thingUID;
  76     }
  77
  78     @Override
  79     protected @Nullable ThingHandler createHandler(Thing thing) {
  80         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  81         if (PRINTER_THING_TYPE.equals(thingTypeUID)) {
  82             return new IppPrinterHandler(thing, discoveryServiceRegistry);
  83         }
  84         return null;
  85     }
  86 }