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   1 /**
   2  * Copyright (c) 2010-2020 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.icalendar.internal;
  14
  15 import static org.openhab.binding.icalendar.internal.ICalendarBindingConstants.THING_TYPE_CALENDAR;
  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.eclipse.jetty.client.HttpClient;
  23 import org.openhab.binding.icalendar.internal.handler.ICalendarHandler;
  24 import org.openhab.core.events.EventPublisher;
  25 import org.openhab.core.io.net.http.HttpClientFactory;
  26 import org.openhab.core.thing.Thing;
  27 import org.openhab.core.thing.ThingTypeUID;
  28 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  29 import org.openhab.core.thing.binding.ThingHandler;
  30 import org.openhab.core.thing.binding.ThingHandlerFactory;
  31 import org.osgi.service.component.annotations.Activate;
  32 import org.osgi.service.component.annotations.Component;
  33 import org.osgi.service.component.annotations.Reference;
  34
  35 /**
  36  * The {@link ICalendarHandlerFactory} is responsible for creating things and thing
  37  * handlers.
  38  *
  39  * @author Michael Wodniok - Initial contribution
  40  * @author Andrew Fiddian-Green - EventPublisher code
  41  */
  42 @NonNullByDefault
  43 @Component(configurationPid = "binding.icalendar", service = ThingHandlerFactory.class)
  44 public class ICalendarHandlerFactory extends BaseThingHandlerFactory {
  45
  46     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Collections.singleton(THING_TYPE_CALENDAR);
  47
  48     private final HttpClient sharedHttpClient;
  49     private final EventPublisher eventPublisher;
  50
  51     @Activate
  52     public ICalendarHandlerFactory(@Reference HttpClientFactory httpClientFactory,
  53             @Reference EventPublisher eventPublisher) {
  54         this.eventPublisher = eventPublisher;
  55         sharedHttpClient = httpClientFactory.getCommonHttpClient();
  56     }
  57
  58     @Override
  59     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  60         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  61     }
  62
  63     @Override
  64     protected @Nullable ThingHandler createHandler(Thing thing) {
  65         final ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  66
  67         if (!supportsThingType(thingTypeUID)) {
  68             return null;
  69         }
  70         return new ICalendarHandler(thing, sharedHttpClient, eventPublisher);
  71     }
  72 }