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   1 /**
   2  * Copyright (c) 2010-2020 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.tesla.internal;
  14
  15 import static org.openhab.binding.tesla.internal.TeslaBindingConstants.*;
  16
  17 import java.util.Set;
  18 import java.util.stream.Collectors;
  19 import java.util.stream.Stream;
  20
  21 import javax.ws.rs.client.ClientBuilder;
  22
  23 import org.openhab.binding.tesla.internal.handler.TeslaAccountHandler;
  24 import org.openhab.binding.tesla.internal.handler.TeslaVehicleHandler;
  25 import org.openhab.core.thing.Bridge;
  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.Component;
  32 import org.osgi.service.component.annotations.Reference;
  33 import org.osgi.service.component.annotations.ReferenceCardinality;
  34
  35 /**
  36  * The {@link TeslaHandlerFactory} is responsible for creating things and thing
  37  * handlers.
  38  *
  39  * @author Karel Goderis - Initial contribution
  40  * @author Nicolai Grødum - Adding token based auth
  41  * @author Kai Kreuzer - Introduced account handler
  42  */
  43 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.tesla")
  44 public class TeslaHandlerFactory extends BaseThingHandlerFactory {
  45
  46     // TODO: Those constants are Jersey specific - once we move away from Jersey,
  47     // this can be removed and the client builder creation simplified.
  48     public static final String READ_TIMEOUT_JERSEY = "jersey.config.client.readTimeout";
  49     public static final String CONNECT_TIMEOUT_JERSEY = "jersey.config.client.connectTimeout";
  50
  51     public static final String READ_TIMEOUT = "http.receive.timeout";
  52     public static final String CONNECT_TIMEOUT = "http.connection.timeout";
  53
  54     private static final int EVENT_STREAM_CONNECT_TIMEOUT = 3000;
  55     private static final int EVENT_STREAM_READ_TIMEOUT = 200000;
  56
  57     public static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Stream
  58             .of(THING_TYPE_ACCOUNT, THING_TYPE_MODELS, THING_TYPE_MODEL3, THING_TYPE_MODELX, THING_TYPE_MODELY)
  59             .collect(Collectors.toSet());
  60
  61     @Reference(cardinality = ReferenceCardinality.OPTIONAL)
  62     private ClientBuilder injectedClientBuilder;
  63
  64     private ClientBuilder clientBuilder;
  65
  66     @Override
  67     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  68         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  69     }
  70
  71     @Override
  72     protected ThingHandler createHandler(Thing thing) {
  73         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  74
  75         if (thingTypeUID.equals(THING_TYPE_ACCOUNT)) {
  76             return new TeslaAccountHandler((Bridge) thing, getClientBuilder().build());
  77         } else {
  78             return new TeslaVehicleHandler(thing, getClientBuilder());
  79         }
  80     }
  81
  82     private synchronized ClientBuilder getClientBuilder() {
  83         if (clientBuilder == null) {
  84             try {
  85                 clientBuilder = ClientBuilder.newBuilder();
  86                 clientBuilder.property(CONNECT_TIMEOUT_JERSEY, EVENT_STREAM_CONNECT_TIMEOUT);
  87                 clientBuilder.property(READ_TIMEOUT_JERSEY, EVENT_STREAM_READ_TIMEOUT);
  88             } catch (Exception e) {
  89                 // we seem to have no Jersey, so let's hope for an injected builder by CXF
  90                 if (this.injectedClientBuilder != null) {
  91                     clientBuilder = injectedClientBuilder;
  92                     clientBuilder.property(CONNECT_TIMEOUT, EVENT_STREAM_CONNECT_TIMEOUT);
  93                     clientBuilder.property(READ_TIMEOUT, EVENT_STREAM_READ_TIMEOUT);
  94                 } else {
  95                     throw new IllegalStateException("No JAX RS Client Builder available.");
  96                 }
  97             }
  98         }
  99         return clientBuilder;
 100     }
 101 }