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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.weathercompany.internal;
  14
  15 import static org.openhab.binding.weathercompany.internal.WeatherCompanyBindingConstants.*;
  16
  17 import java.util.HashMap;
  18 import java.util.Hashtable;
  19 import java.util.Map;
  20
  21 import org.eclipse.jdt.annotation.NonNullByDefault;
  22 import org.eclipse.jdt.annotation.Nullable;
  23 import org.eclipse.jetty.client.HttpClient;
  24 import org.openhab.binding.weathercompany.internal.discovery.WeatherCompanyDiscoveryService;
  25 import org.openhab.binding.weathercompany.internal.handler.WeatherCompanyBridgeHandler;
  26 import org.openhab.binding.weathercompany.internal.handler.WeatherCompanyForecastHandler;
  27 import org.openhab.binding.weathercompany.internal.handler.WeatherCompanyObservationsHandler;
  28 import org.openhab.core.config.discovery.DiscoveryService;
  29 import org.openhab.core.i18n.LocaleProvider;
  30 import org.openhab.core.i18n.LocationProvider;
  31 import org.openhab.core.i18n.TimeZoneProvider;
  32 import org.openhab.core.i18n.TranslationProvider;
  33 import org.openhab.core.i18n.UnitProvider;
  34 import org.openhab.core.io.net.http.HttpClientFactory;
  35 import org.openhab.core.thing.Bridge;
  36 import org.openhab.core.thing.Thing;
  37 import org.openhab.core.thing.ThingTypeUID;
  38 import org.openhab.core.thing.ThingUID;
  39 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  40 import org.openhab.core.thing.binding.ThingHandler;
  41 import org.openhab.core.thing.binding.ThingHandlerFactory;
  42 import org.osgi.framework.ServiceRegistration;
  43 import org.osgi.service.component.annotations.Activate;
  44 import org.osgi.service.component.annotations.Component;
  45 import org.osgi.service.component.annotations.Reference;
  46
  47 /**
  48  * The {@link WeatherCompanyHandlerFactory} is responsible for creating thing handlers.
  49  *
  50  * @author Mark Hilbush - Initial contribution
  51  */
  52 @NonNullByDefault
  53 @Component(configurationPid = "binding.weathercompany", service = ThingHandlerFactory.class)
  54 public class WeatherCompanyHandlerFactory extends BaseThingHandlerFactory {
  55     private final Map<ThingUID, ServiceRegistration<?>> discoveryServiceRegs = new HashMap<>();
  56
  57     private TimeZoneProvider timeZoneProvider;
  58     private UnitProvider unitProvider;
  59     private HttpClient httpClient;
  60     private LocationProvider locationProvider;
  61     private LocaleProvider localeProvider;
  62     private TranslationProvider i18nProvider;
  63
  64     @Activate
  65     public WeatherCompanyHandlerFactory(@Reference TimeZoneProvider timeZoneProvider,
  66             @Reference UnitProvider unitProvider, @Reference HttpClientFactory httpClientFactory,
  67             @Reference LocationProvider locationProvider, @Reference LocaleProvider localeProvider,
  68             @Reference TranslationProvider i18nProvider) {
  69         this.timeZoneProvider = timeZoneProvider;
  70         this.unitProvider = unitProvider;
  71         this.httpClient = httpClientFactory.getCommonHttpClient();
  72         this.locationProvider = locationProvider;
  73         this.localeProvider = localeProvider;
  74         this.i18nProvider = i18nProvider;
  75     }
  76
  77     @Override
  78     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  79         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  80     }
  81
  82     @Override
  83     protected @Nullable ThingHandler createHandler(Thing thing) {
  84         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  85
  86         if (THING_TYPE_WEATHER_FORECAST.equals(thingTypeUID)) {
  87             return new WeatherCompanyForecastHandler(thing, timeZoneProvider, httpClient, unitProvider, localeProvider);
  88         } else if (THING_TYPE_WEATHER_OBSERVATIONS.equals(thingTypeUID)) {
  89             return new WeatherCompanyObservationsHandler(thing, timeZoneProvider, httpClient, unitProvider,
  90                     localeProvider);
  91         } else if (SUPPORTED_BRIDGE_THING_TYPES_UIDS.contains(thingTypeUID)) {
  92             WeatherCompanyBridgeHandler handler = new WeatherCompanyBridgeHandler((Bridge) thing);
  93             registerDeviceDiscoveryService(handler);
  94             return handler;
  95         }
  96         return null;
  97     }
  98
  99     @Override
 100     protected synchronized void removeHandler(ThingHandler thingHandler) {
 101         if (thingHandler instanceof WeatherCompanyBridgeHandler) {
 102             ThingUID thingUID = thingHandler.getThing().getUID();
 103             unregisterDeviceDiscoveryService(thingUID);
 104         }
 105         super.removeHandler(thingHandler);
 106     }
 107
 108     private synchronized void registerDeviceDiscoveryService(WeatherCompanyBridgeHandler bridgeHandler) {
 109         WeatherCompanyDiscoveryService discoveryService = new WeatherCompanyDiscoveryService(bridgeHandler,
 110                 locationProvider, localeProvider, i18nProvider);
 111         discoveryService.activate(null);
 112         this.discoveryServiceRegs.put(bridgeHandler.getThing().getUID(),
 113                 bundleContext.registerService(DiscoveryService.class.getName(), discoveryService, new Hashtable<>()));
 114     }
 115
 116     private void unregisterDeviceDiscoveryService(ThingUID bridgeUID) {
 117         ServiceRegistration<?> serviceReg = discoveryServiceRegs.remove(bridgeUID);
 118         if (serviceReg != null) {
 119             WeatherCompanyDiscoveryService discoveryService = (WeatherCompanyDiscoveryService) bundleContext
 120                     .getService(serviceReg.getReference());
 121             serviceReg.unregister();
 122             if (discoveryService != null) {
 123                 discoveryService.deactivate();
 124             }
 125         }
 126     }
 127 }