git.basschouten.com Git - openhab-addons.git/blob

   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.lgwebos.internal;
  14
  15 import static org.openhab.binding.lgwebos.internal.LGWebOSBindingConstants.*;
  16
  17 import org.eclipse.jdt.annotation.NonNullByDefault;
  18 import org.eclipse.jdt.annotation.Nullable;
  19 import org.eclipse.jetty.util.ssl.SslContextFactory;
  20 import org.eclipse.jetty.websocket.client.WebSocketClient;
  21 import org.openhab.binding.lgwebos.internal.handler.LGWebOSHandler;
  22 import org.openhab.core.io.net.http.WebSocketFactory;
  23 import org.openhab.core.thing.Thing;
  24 import org.openhab.core.thing.ThingTypeUID;
  25 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  26 import org.openhab.core.thing.binding.ThingHandler;
  27 import org.openhab.core.thing.binding.ThingHandlerFactory;
  28 import org.osgi.service.component.ComponentContext;
  29 import org.osgi.service.component.annotations.Activate;
  30 import org.osgi.service.component.annotations.Component;
  31 import org.osgi.service.component.annotations.Reference;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 /**
  36  * The {@link LGWebOSHandlerFactory} is responsible for creating things and thing
  37  * handlers.
  38  *
  39  * @author Sebastian Prehn - initial contribution
  40  */
  41 @NonNullByDefault
  42 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.lgwebos")
  43 public class LGWebOSHandlerFactory extends BaseThingHandlerFactory {
  44     private final Logger logger = LoggerFactory.getLogger(LGWebOSHandlerFactory.class);
  45
  46     private final WebSocketClient webSocketClient;
  47
  48     private final LGWebOSStateDescriptionOptionProvider stateDescriptionProvider;
  49
  50     @Activate
  51     public LGWebOSHandlerFactory(final @Reference WebSocketFactory webSocketFactory,
  52             final @Reference LGWebOSStateDescriptionOptionProvider stateDescriptionProvider) {
  53         /*
  54          * Cannot use openHAB's shared web socket client (webSocketFactory.getCommonWebSocketClient()) as we have to
  55          * change client settings.
  56          */
  57         this.webSocketClient = webSocketFactory.createWebSocketClient(BINDING_ID, new SslContextFactory.Client(true));
  58         this.stateDescriptionProvider = stateDescriptionProvider;
  59     }
  60
  61     @Override
  62     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  63         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  64     }
  65
  66     @Override
  67     protected @Nullable ThingHandler createHandler(Thing thing) {
  68         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  69         if (thingTypeUID.equals(THING_TYPE_WEBOSTV)) {
  70             return new LGWebOSHandler(thing, webSocketClient, stateDescriptionProvider);
  71         }
  72         return null;
  73     }
  74
  75     @Override
  76     protected void activate(ComponentContext componentContext) {
  77         super.activate(componentContext);
  78
  79         // reduce timeout from default 15sec
  80         this.webSocketClient.setConnectTimeout(1000);
  81
  82         // channel and app listing are json docs up to 4MB
  83         this.webSocketClient.getPolicy().setMaxTextMessageSize(4 * 1024 * 1024);
  84
  85         // since this is not using openHAB's shared web socket client we need to start and stop
  86         try {
  87             this.webSocketClient.start();
  88         } catch (Exception e) {
  89             logger.warn("Unable to to start websocket client.", e);
  90         }
  91     }
  92
  93     @Override
  94     protected void deactivate(ComponentContext componentContext) {
  95         super.deactivate(componentContext);
  96         try {
  97             this.webSocketClient.stop();
  98         } catch (Exception e) {
  99             logger.warn("Unable to to stop websocket client.", e);
 100         }
 101     }
 102 }