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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.smgw.internal;
  14
  15 import static org.openhab.binding.smgw.internal.SmgwBindingConstants.*;
  16
  17 import java.util.Set;
  18
  19 import org.eclipse.jdt.annotation.NonNullByDefault;
  20 import org.eclipse.jdt.annotation.Nullable;
  21 import org.eclipse.jetty.client.HttpClient;
  22 import org.eclipse.jetty.util.ssl.SslContextFactory;
  23 import org.openhab.core.io.net.http.HttpClientFactory;
  24 import org.openhab.core.scheduler.CronScheduler;
  25 import org.openhab.core.thing.Thing;
  26 import org.openhab.core.thing.ThingTypeUID;
  27 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  28 import org.openhab.core.thing.binding.ThingHandler;
  29 import org.openhab.core.thing.binding.ThingHandlerFactory;
  30 import org.osgi.service.component.annotations.Activate;
  31 import org.osgi.service.component.annotations.Component;
  32 import org.osgi.service.component.annotations.Deactivate;
  33 import org.osgi.service.component.annotations.Reference;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36
  37 /**
  38  * The {@link SmgwHandlerFactory} is responsible for creating things and thing
  39  * handlers.
  40  *
  41  * @author Jan N. Klug - Initial contribution
  42  */
  43 @NonNullByDefault
  44 @Component(service = ThingHandlerFactory.class)
  45 public class SmgwHandlerFactory extends BaseThingHandlerFactory {
  46     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Set.of(THING_TYPE_SMGW);
  47     private final Logger logger = LoggerFactory.getLogger(SmgwHandlerFactory.class);
  48
  49     private final HttpClient httpClient;
  50     private final CronScheduler cronScheduler;
  51
  52     @Activate
  53     public SmgwHandlerFactory(@Reference HttpClientFactory clientFactory, @Reference CronScheduler cronScheduler) {
  54         this.cronScheduler = cronScheduler;
  55         this.httpClient = clientFactory.createHttpClient("smgw", new SslContextFactory.Client(true));
  56         try {
  57             this.httpClient.start();
  58         } catch (Exception e) {
  59             // catching exception is necessary due to the signature of HttpClient.start()
  60             logger.warn("Failed to start http client: {}", e.getMessage());
  61             throw new IllegalStateException("Could not create HttpClient");
  62         }
  63     }
  64
  65     @Deactivate
  66     public void deactivate() {
  67         try {
  68             httpClient.stop();
  69         } catch (Exception e) {
  70             logger.warn("Failed to stop http client: {}", e.getMessage());
  71         }
  72     }
  73
  74     @Override
  75     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  76         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  77     }
  78
  79     @Override
  80     protected @Nullable ThingHandler createHandler(Thing thing) {
  81         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  82
  83         if (THING_TYPE_SMGW.equals(thingTypeUID)) {
  84             return new SmgwHandler(thing, httpClient, cronScheduler);
  85         }
  86
  87         return null;
  88     }
  89 }