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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.enphase.internal;
  14
  15 import static org.openhab.binding.enphase.internal.EnphaseBindingConstants.THING_TYPE_ENPHASE_ENVOY;
  16 import static org.openhab.binding.enphase.internal.EnphaseBindingConstants.THING_TYPE_ENPHASE_INVERTER;
  17 import static org.openhab.binding.enphase.internal.EnphaseBindingConstants.THING_TYPE_ENPHASE_RELAY;
  18
  19 import java.util.Set;
  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.eclipse.jetty.util.ssl.SslContextFactory;
  25 import org.openhab.binding.enphase.internal.handler.EnphaseInverterHandler;
  26 import org.openhab.binding.enphase.internal.handler.EnphaseRelayHandler;
  27 import org.openhab.binding.enphase.internal.handler.EnvoyBridgeHandler;
  28 import org.openhab.core.i18n.LocaleProvider;
  29 import org.openhab.core.i18n.TranslationProvider;
  30 import org.openhab.core.thing.Bridge;
  31 import org.openhab.core.thing.Thing;
  32 import org.openhab.core.thing.ThingTypeUID;
  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.Deactivate;
  39 import org.osgi.service.component.annotations.Reference;
  40
  41 /**
  42  * The {@link EnphaseHandlerFactory} is responsible for creating things and thing handlers.
  43  *
  44  * @author Hilbrand Bouwkamp - Initial contribution
  45  */
  46 @NonNullByDefault
  47 @Component(configurationPid = "binding.enphase", service = ThingHandlerFactory.class)
  48 public class EnphaseHandlerFactory extends BaseThingHandlerFactory {
  49
  50     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Set.of(THING_TYPE_ENPHASE_ENVOY,
  51             THING_TYPE_ENPHASE_INVERTER, THING_TYPE_ENPHASE_RELAY);
  52
  53     private final MessageTranslator messageTranslator;
  54     private final EnvoyHostAddressCache envoyHostAddressCache;
  55     private final HttpClient httpClient;
  56
  57     @Activate
  58     public EnphaseHandlerFactory(final @Reference LocaleProvider localeProvider,
  59             final @Reference TranslationProvider i18nProvider,
  60             final @Reference EnvoyHostAddressCache envoyHostAddressCache) {
  61         messageTranslator = new MessageTranslator(localeProvider, i18nProvider);
  62         this.envoyHostAddressCache = envoyHostAddressCache;
  63         // Note: Had to switch to using a locally generated httpClient as
  64         // the Envoy server went to a self-signed SSL connection and this
  65         // was the only way to set the client to ignore SSL errors
  66         this.httpClient = new HttpClient(new SslContextFactory.Client(true));
  67         startHttpClient();
  68     }
  69
  70     private void startHttpClient() {
  71         try {
  72             httpClient.start();
  73         } catch (final Exception ex) {
  74             throw new IllegalStateException("Could not start HttpClient.", ex);
  75         }
  76     }
  77
  78     @Deactivate
  79     public void deactivate() {
  80         httpClient.destroy();
  81     }
  82
  83     @Override
  84     public boolean supportsThingType(final ThingTypeUID thingTypeUID) {
  85         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  86     }
  87
  88     @Override
  89     protected @Nullable ThingHandler createHandler(final Thing thing) {
  90         final ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  91
  92         if (THING_TYPE_ENPHASE_ENVOY.equals(thingTypeUID)) {
  93             return new EnvoyBridgeHandler((Bridge) thing, httpClient, envoyHostAddressCache);
  94         } else if (THING_TYPE_ENPHASE_INVERTER.equals(thingTypeUID)) {
  95             return new EnphaseInverterHandler(thing, messageTranslator);
  96         } else if (THING_TYPE_ENPHASE_RELAY.equals(thingTypeUID)) {
  97             return new EnphaseRelayHandler(thing, messageTranslator);
  98         }
  99
 100         return null;
 101     }
 102 }