git.basschouten.com Git - openhab-addons.git/blob

   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.amplipi.internal;
  14
  15 import static org.openhab.binding.amplipi.internal.AmpliPiBindingConstants.*;
  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.openhab.core.audio.AudioHTTPServer;
  23 import org.openhab.core.io.net.http.HttpClientFactory;
  24 import org.openhab.core.net.HttpServiceUtil;
  25 import org.openhab.core.net.NetworkAddressService;
  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 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36
  37 /**
  38  * The {@link AmpliPiHandlerFactory} is responsible for creating things and thing
  39  * handlers.
  40  *
  41  * @author Kai Kreuzer - Initial contribution
  42  */
  43 @NonNullByDefault
  44 @Component(configurationPid = "binding.amplipi", service = ThingHandlerFactory.class)
  45 public class AmpliPiHandlerFactory extends BaseThingHandlerFactory {
  46
  47     private final Logger logger = LoggerFactory.getLogger(AmpliPiHandlerFactory.class);
  48
  49     private HttpClient httpClient;
  50     private AudioHTTPServer audioHttpServer;
  51     private final NetworkAddressService networkAddressService;
  52
  53     @Activate
  54     public AmpliPiHandlerFactory(@Reference HttpClientFactory httpClientFactory,
  55             @Reference AudioHTTPServer audioHttpServer, @Reference NetworkAddressService networkAddressService) {
  56         this.httpClient = httpClientFactory.getCommonHttpClient();
  57         this.audioHttpServer = audioHttpServer;
  58         this.networkAddressService = networkAddressService;
  59     }
  60
  61     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Set.of(THING_TYPE_CONTROLLER, THING_TYPE_ZONE,
  62             THING_TYPE_GROUP);
  63
  64     @Override
  65     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  66         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  67     }
  68
  69     @Override
  70     protected @Nullable ThingHandler createHandler(Thing thing) {
  71         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  72
  73         if (THING_TYPE_CONTROLLER.equals(thingTypeUID)) {
  74             String callbackUrl = createCallbackUrl();
  75             return new AmpliPiHandler(thing, httpClient, audioHttpServer, callbackUrl);
  76         }
  77         if (THING_TYPE_ZONE.equals(thingTypeUID)) {
  78             return new AmpliPiZoneHandler(thing, httpClient);
  79         }
  80         if (THING_TYPE_GROUP.equals(thingTypeUID)) {
  81             return new AmpliPiGroupHandler(thing, httpClient);
  82         }
  83
  84         return null;
  85     }
  86
  87     private @Nullable String createCallbackUrl() {
  88         final String ipAddress = networkAddressService.getPrimaryIpv4HostAddress();
  89         if (ipAddress == null) {
  90             logger.warn("No network interface could be found.");
  91             return null;
  92         }
  93
  94         // we do not use SSL as it can cause certificate validation issues.
  95         final int port = HttpServiceUtil.getHttpServicePort(bundleContext);
  96         if (port == -1) {
  97             logger.warn("Cannot find port of the http service.");
  98             return null;
  99         }
 100
 101         return "http://" + ipAddress + ":" + port;
 102     }
 103 }