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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.linky.internal;
  14
  15 import static org.openhab.binding.linky.internal.LinkyBindingConstants.THING_TYPE_LINKY;
  16
  17 import java.security.KeyManagementException;
  18 import java.security.NoSuchAlgorithmException;
  19 import java.time.ZonedDateTime;
  20 import java.time.format.DateTimeFormatter;
  21
  22 import javax.net.ssl.SSLContext;
  23 import javax.net.ssl.TrustManager;
  24
  25 import org.eclipse.jdt.annotation.NonNullByDefault;
  26 import org.eclipse.jdt.annotation.Nullable;
  27 import org.eclipse.jetty.client.HttpClient;
  28 import org.openhab.binding.linky.internal.handler.LinkyHandler;
  29 import org.openhab.core.i18n.LocaleProvider;
  30 import org.openhab.core.io.net.http.HttpClientFactory;
  31 import org.openhab.core.io.net.http.TrustAllTrustManager;
  32 import org.openhab.core.thing.Thing;
  33 import org.openhab.core.thing.ThingTypeUID;
  34 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  35 import org.openhab.core.thing.binding.ThingHandler;
  36 import org.openhab.core.thing.binding.ThingHandlerFactory;
  37 import org.osgi.service.component.ComponentContext;
  38 import org.osgi.service.component.annotations.Activate;
  39 import org.osgi.service.component.annotations.Component;
  40 import org.osgi.service.component.annotations.Reference;
  41 import org.slf4j.Logger;
  42 import org.slf4j.LoggerFactory;
  43
  44 import com.google.gson.Gson;
  45 import com.google.gson.GsonBuilder;
  46 import com.google.gson.JsonDeserializer;
  47
  48 /**
  49  * The {@link LinkyHandlerFactory} is responsible for creating things handlers.
  50  *
  51  * @author Gaël L'hopital - Initial contribution
  52  */
  53 @NonNullByDefault
  54 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.linky")
  55 public class LinkyHandlerFactory extends BaseThingHandlerFactory {
  56     private static final DateTimeFormatter LINKY_FORMATTER = DateTimeFormatter.ofPattern("uuuu-MM-dd'T'HH:mm:ss.SSSX");
  57     private static final int REQUEST_BUFFER_SIZE = 8000;
  58
  59     private final Logger logger = LoggerFactory.getLogger(LinkyHandlerFactory.class);
  60     private final Gson gson = new GsonBuilder().registerTypeAdapter(ZonedDateTime.class,
  61             (JsonDeserializer<ZonedDateTime>) (json, type, jsonDeserializationContext) -> ZonedDateTime
  62                     .parse(json.getAsJsonPrimitive().getAsString(), LINKY_FORMATTER))
  63             .create();
  64     private final LocaleProvider localeProvider;
  65     private final HttpClient httpClient;
  66
  67     @Activate
  68     public LinkyHandlerFactory(final @Reference LocaleProvider localeProvider,
  69             final @Reference HttpClientFactory httpClientFactory) {
  70         this.localeProvider = localeProvider;
  71         this.httpClient = httpClientFactory.createHttpClient(LinkyBindingConstants.BINDING_ID);
  72     }
  73
  74     @Override
  75     protected void activate(ComponentContext componentContext) {
  76         super.activate(componentContext);
  77         httpClient.setFollowRedirects(false);
  78         httpClient.setRequestBufferSize(REQUEST_BUFFER_SIZE);
  79
  80         try {
  81             SSLContext sslContext = SSLContext.getInstance("SSL");
  82             sslContext.init(null, new TrustManager[] { TrustAllTrustManager.getInstance() }, null);
  83             httpClient.getSslContextFactory().setSslContext(sslContext);
  84             httpClient.start();
  85         } catch (NoSuchAlgorithmException e) {
  86             logger.warn("An exception occurred while requesting the SSL encryption algorithm : '{}'", e.getMessage(),
  87                     e);
  88         } catch (KeyManagementException e) {
  89             logger.warn("An exception occurred while initialising the SSL context : '{}'", e.getMessage(), e);
  90         } catch (Exception e) {
  91             logger.warn("Unable to start Jetty HttpClient {}", e.getMessage());
  92         }
  93     }
  94
  95     @Override
  96     protected void deactivate(ComponentContext componentContext) {
  97         super.deactivate(componentContext);
  98         try {
  99             httpClient.stop();
 100         } catch (Exception e) {
 101             logger.warn("Unable to stop Jetty HttpClient {}", e.getMessage());
 102         }
 103     }
 104
 105     @Override
 106     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
 107         return THING_TYPE_LINKY.equals(thingTypeUID);
 108     }
 109
 110     @Override
 111     protected @Nullable ThingHandler createHandler(Thing thing) {
 112         return supportsThingType(thing.getThingTypeUID()) ? new LinkyHandler(thing, localeProvider, gson, httpClient)
 113                 : null;
 114     }
 115 }