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   1 /**
   2  * Copyright (c) 2010-2022 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.id.InstanceUUID;
  25 import org.openhab.core.io.net.http.HttpClientFactory;
  26 import org.openhab.core.net.HttpServiceUtil;
  27 import org.openhab.core.net.NetworkAddressService;
  28 import org.openhab.core.thing.Bridge;
  29 import org.openhab.core.thing.Thing;
  30 import org.openhab.core.thing.ThingTypeUID;
  31 import org.openhab.core.thing.ThingUID;
  32 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  33 import org.openhab.core.thing.binding.ThingHandler;
  34 import org.openhab.core.thing.binding.ThingHandlerFactory;
  35 import org.osgi.service.component.annotations.Activate;
  36 import org.osgi.service.component.annotations.Component;
  37 import org.osgi.service.component.annotations.Reference;
  38 import org.osgi.service.http.HttpService;
  39 import org.slf4j.Logger;
  40 import org.slf4j.LoggerFactory;
  41
  42 /**
  43  * The {@link NukiHandlerFactory} is responsible for creating things and thing
  44  * handlers.
  45  *
  46  * @author Markus Katter - Initial contribution
  47  * @contributer Jan Vybíral - Improved thing id generation
  48  */
  49 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.nuki")
  50 @NonNullByDefault
  51 public class NukiHandlerFactory extends BaseThingHandlerFactory {
  52
  53     private final Logger logger = LoggerFactory.getLogger(NukiHandlerFactory.class);
  54
  55     private final HttpClient httpClient;
  56     private final NetworkAddressService networkAddressService;
  57     private NukiApiServlet nukiApiServlet;
  58
  59     @Activate
  60     public NukiHandlerFactory(@Reference HttpService httpService, @Reference final HttpClientFactory httpClientFactory,
  61             @Reference NetworkAddressService networkAddressService) {
  62         this.httpClient = httpClientFactory.getCommonHttpClient();
  63         this.networkAddressService = networkAddressService;
  64         this.nukiApiServlet = new NukiApiServlet(httpService);
  65     }
  66
  67     @Override
  68     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  69         return NukiBindingConstants.SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  70     }
  71
  72     @Override
  73     protected @Nullable ThingHandler createHandler(Thing thing) {
  74         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  75
  76         if (NukiBindingConstants.THING_TYPE_BRIDGE_UIDS.contains(thingTypeUID)) {
  77             String callbackUrl = createCallbackUrl(InstanceUUID.get());
  78             NukiBridgeHandler nukiBridgeHandler = new NukiBridgeHandler((Bridge) thing, httpClient, callbackUrl);
  79             nukiApiServlet.add(nukiBridgeHandler);
  80             return nukiBridgeHandler;
  81         } else if (NukiBindingConstants.THING_TYPE_SMARTLOCK_UIDS.contains(thingTypeUID)) {
  82             return new NukiSmartLockHandler(thing);
  83         } else if (NukiBindingConstants.THING_TYPE_OPENER_UIDS.contains(thingTypeUID)) {
  84             return new NukiOpenerHandler(thing);
  85         }
  86         logger.warn("No valid Handler found for Thing[{}]!", thingTypeUID);
  87         return null;
  88     }
  89
  90     @Override
  91     public void removeThing(ThingUID thingUID) {
  92         super.removeThing(thingUID);
  93     }
  94
  95     @Override
  96     public void unregisterHandler(Thing thing) {
  97         super.unregisterHandler(thing);
  98         ThingHandler handler = thing.getHandler();
  99         if (handler instanceof NukiBridgeHandler) {
 100             nukiApiServlet.remove((NukiBridgeHandler) handler);
 101         }
 102     }
 103
 104     private @Nullable String createCallbackUrl(String id) {
 105         final String ipAddress = networkAddressService.getPrimaryIpv4HostAddress();
 106         if (ipAddress == null) {
 107             logger.warn("No network interface could be found to get callback address");
 108             return null;
 109         }
 110         // we do not use SSL as it can cause certificate validation issues.
 111         final int port = HttpServiceUtil.getHttpServicePort(bundleContext);
 112         if (port == -1) {
 113             logger.warn("Cannot find port of the http service.");
 114             return null;
 115         }
 116         String callbackUrl = NukiLinkBuilder.callbackUri(ipAddress, port, id).toString();
 117         logger.trace("callbackUrl[{}]", callbackUrl);
 118         return callbackUrl;
 119     }
 120 }