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   1 /**
   2  * Copyright (c) 2010-2021 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.nuki.internal;
  14
  15 import org.eclipse.jdt.annotation.NonNullByDefault;
  16 import org.eclipse.jdt.annotation.Nullable;
  17 import org.eclipse.jetty.client.HttpClient;
  18 import org.openhab.binding.nuki.internal.constants.NukiBindingConstants;
  19 import org.openhab.binding.nuki.internal.constants.NukiLinkBuilder;
  20 import org.openhab.binding.nuki.internal.dataexchange.NukiApiServlet;
  21 import org.openhab.binding.nuki.internal.handler.NukiBridgeHandler;
  22 import org.openhab.binding.nuki.internal.handler.NukiOpenerHandler;
  23 import org.openhab.binding.nuki.internal.handler.NukiSmartLockHandler;
  24 import org.openhab.core.config.core.Configuration;
  25 import org.openhab.core.id.InstanceUUID;
  26 import org.openhab.core.io.net.http.HttpClientFactory;
  27 import org.openhab.core.net.HttpServiceUtil;
  28 import org.openhab.core.net.NetworkAddressService;
  29 import org.openhab.core.thing.Bridge;
  30 import org.openhab.core.thing.Thing;
  31 import org.openhab.core.thing.ThingTypeUID;
  32 import org.openhab.core.thing.ThingUID;
  33 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  34 import org.openhab.core.thing.binding.ThingHandler;
  35 import org.openhab.core.thing.binding.ThingHandlerFactory;
  36 import org.osgi.service.component.annotations.Activate;
  37 import org.osgi.service.component.annotations.Component;
  38 import org.osgi.service.component.annotations.Reference;
  39 import org.osgi.service.http.HttpService;
  40 import org.slf4j.Logger;
  41 import org.slf4j.LoggerFactory;
  42
  43 /**
  44  * The {@link NukiHandlerFactory} is responsible for creating things and thing
  45  * handlers.
  46  *
  47  * @author Markus Katter - Initial contribution
  48  * @contributer Jan Vybíral - Improved thing id generation
  49  */
  50 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.nuki")
  51 @NonNullByDefault
  52 public class NukiHandlerFactory extends BaseThingHandlerFactory {
  53
  54     private final Logger logger = LoggerFactory.getLogger(NukiHandlerFactory.class);
  55
  56     private final HttpClient httpClient;
  57     private final NetworkAddressService networkAddressService;
  58     private NukiApiServlet nukiApiServlet;
  59
  60     @Activate
  61     public NukiHandlerFactory(@Reference HttpService httpService, @Reference final HttpClientFactory httpClientFactory,
  62             @Reference NetworkAddressService networkAddressService) {
  63         this.httpClient = httpClientFactory.getCommonHttpClient();
  64         this.networkAddressService = networkAddressService;
  65         this.nukiApiServlet = new NukiApiServlet(httpService);
  66     }
  67
  68     @Override
  69     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  70         return NukiBindingConstants.SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  71     }
  72
  73     @Override
  74     protected @Nullable ThingHandler createHandler(Thing thing) {
  75         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  76
  77         if (NukiBindingConstants.THING_TYPE_BRIDGE_UIDS.contains(thingTypeUID)) {
  78             String callbackUrl = createCallbackUrl(InstanceUUID.get());
  79             NukiBridgeHandler nukiBridgeHandler = new NukiBridgeHandler((Bridge) thing, httpClient, callbackUrl);
  80             nukiApiServlet.add(nukiBridgeHandler);
  81             return nukiBridgeHandler;
  82         } else if (NukiBindingConstants.THING_TYPE_SMARTLOCK_UIDS.contains(thingTypeUID)) {
  83             return new NukiSmartLockHandler(thing);
  84         } else if (NukiBindingConstants.THING_TYPE_OPENER_UIDS.contains(thingTypeUID)) {
  85             return new NukiOpenerHandler(thing);
  86         }
  87         logger.warn("No valid Handler found for Thing[{}]!", thingTypeUID);
  88         return null;
  89     }
  90
  91     @Override
  92     protected @Nullable Thing createThing(ThingTypeUID thingTypeUID, Configuration configuration, ThingUID thingUID) {
  93         return super.createThing(thingTypeUID, configuration, thingUID);
  94     }
  95
  96     @Override
  97     public void removeThing(ThingUID thingUID) {
  98         super.removeThing(thingUID);
  99     }
 100
 101     @Override
 102     public void unregisterHandler(Thing thing) {
 103         super.unregisterHandler(thing);
 104         ThingHandler handler = thing.getHandler();
 105         if (handler instanceof NukiBridgeHandler) {
 106             nukiApiServlet.remove((NukiBridgeHandler) handler);
 107         }
 108     }
 109
 110     private @Nullable String createCallbackUrl(String id) {
 111         final String ipAddress = networkAddressService.getPrimaryIpv4HostAddress();
 112         if (ipAddress == null) {
 113             logger.warn("No network interface could be found to get callback address");
 114             return null;
 115         }
 116         // we do not use SSL as it can cause certificate validation issues.
 117         final int port = HttpServiceUtil.getHttpServicePort(bundleContext);
 118         if (port == -1) {
 119             logger.warn("Cannot find port of the http service.");
 120             return null;
 121         }
 122         String callbackUrl = NukiLinkBuilder.callbackUri(ipAddress, port, id).toString();
 123         logger.trace("callbackUrl[{}]", callbackUrl);
 124         return callbackUrl;
 125     }
 126 }