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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.eclipse.jetty.util.ssl.SslContextFactory;
  29 import org.openhab.binding.linky.internal.handler.LinkyHandler;
  30 import org.openhab.core.i18n.LocaleProvider;
  31 import org.openhab.core.io.net.http.HttpClientFactory;
  32 import org.openhab.core.io.net.http.TrustAllTrustManager;
  33 import org.openhab.core.thing.Thing;
  34 import org.openhab.core.thing.ThingTypeUID;
  35 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  36 import org.openhab.core.thing.binding.ThingHandler;
  37 import org.openhab.core.thing.binding.ThingHandlerFactory;
  38 import org.osgi.service.component.ComponentContext;
  39 import org.osgi.service.component.annotations.Activate;
  40 import org.osgi.service.component.annotations.Component;
  41 import org.osgi.service.component.annotations.Reference;
  42 import org.slf4j.Logger;
  43 import org.slf4j.LoggerFactory;
  44
  45 import com.google.gson.Gson;
  46 import com.google.gson.GsonBuilder;
  47 import com.google.gson.JsonDeserializer;
  48
  49 /**
  50  * The {@link LinkyHandlerFactory} is responsible for creating things handlers.
  51  *
  52  * @author Gaël L'hopital - Initial contribution
  53  */
  54 @NonNullByDefault
  55 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.linky")
  56 public class LinkyHandlerFactory extends BaseThingHandlerFactory {
  57     private static final DateTimeFormatter LINKY_FORMATTER = DateTimeFormatter.ofPattern("uuuu-MM-dd'T'HH:mm:ss.SSSX");
  58     private static final int REQUEST_BUFFER_SIZE = 8000;
  59
  60     private final Logger logger = LoggerFactory.getLogger(LinkyHandlerFactory.class);
  61     private final Gson gson = new GsonBuilder().registerTypeAdapter(ZonedDateTime.class,
  62             (JsonDeserializer<ZonedDateTime>) (json, type, jsonDeserializationContext) -> ZonedDateTime
  63                     .parse(json.getAsJsonPrimitive().getAsString(), LINKY_FORMATTER))
  64             .create();
  65     private final LocaleProvider localeProvider;
  66     private final HttpClient httpClient;
  67
  68     @Activate
  69     public LinkyHandlerFactory(final @Reference LocaleProvider localeProvider,
  70             final @Reference HttpClientFactory httpClientFactory) {
  71         this.localeProvider = localeProvider;
  72         SslContextFactory sslContextFactory = new SslContextFactory.Client();
  73         try {
  74             SSLContext sslContext = SSLContext.getInstance("SSL");
  75             sslContext.init(null, new TrustManager[] { TrustAllTrustManager.getInstance() }, null);
  76             sslContextFactory.setSslContext(sslContext);
  77         } catch (NoSuchAlgorithmException e) {
  78             logger.warn("An exception occurred while requesting the SSL encryption algorithm : '{}'", e.getMessage(),
  79                     e);
  80         } catch (KeyManagementException e) {
  81             logger.warn("An exception occurred while initialising the SSL context : '{}'", e.getMessage(), e);
  82         }
  83         this.httpClient = httpClientFactory.createHttpClient(LinkyBindingConstants.BINDING_ID, sslContextFactory);
  84         httpClient.setFollowRedirects(false);
  85         httpClient.setRequestBufferSize(REQUEST_BUFFER_SIZE);
  86     }
  87
  88     @Override
  89     protected void activate(ComponentContext componentContext) {
  90         super.activate(componentContext);
  91         try {
  92             httpClient.start();
  93         } catch (Exception e) {
  94             logger.warn("Unable to start Jetty HttpClient {}", e.getMessage());
  95         }
  96     }
  97
  98     @Override
  99     protected void deactivate(ComponentContext componentContext) {
 100         super.deactivate(componentContext);
 101         try {
 102             httpClient.stop();
 103         } catch (Exception e) {
 104             logger.warn("Unable to stop Jetty HttpClient {}", e.getMessage());
 105         }
 106     }
 107
 108     @Override
 109     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
 110         return THING_TYPE_LINKY.equals(thingTypeUID);
 111     }
 112
 113     @Override
 114     protected @Nullable ThingHandler createHandler(Thing thing) {
 115         return supportsThingType(thing.getThingTypeUID()) ? new LinkyHandler(thing, localeProvider, gson, httpClient)
 116                 : null;
 117     }
 118 }