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.websocket.client.WebSocketClient;
  20 import org.openhab.binding.lgwebos.internal.handler.LGWebOSHandler;
  21 import org.openhab.core.io.net.http.WebSocketFactory;
  22 import org.openhab.core.thing.Thing;
  23 import org.openhab.core.thing.ThingTypeUID;
  24 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  25 import org.openhab.core.thing.binding.ThingHandler;
  26 import org.openhab.core.thing.binding.ThingHandlerFactory;
  27 import org.osgi.service.component.ComponentContext;
  28 import org.osgi.service.component.annotations.Activate;
  29 import org.osgi.service.component.annotations.Component;
  30 import org.osgi.service.component.annotations.Reference;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 /**
  35  * The {@link LGWebOSHandlerFactory} is responsible for creating things and thing
  36  * handlers.
  37  *
  38  * @author Sebastian Prehn - initial contribution
  39  */
  40 @NonNullByDefault
  41 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.lgwebos")
  42 public class LGWebOSHandlerFactory extends BaseThingHandlerFactory {
  43     private final Logger logger = LoggerFactory.getLogger(LGWebOSHandlerFactory.class);
  44
  45     private final WebSocketClient webSocketClient;
  46
  47     private final LGWebOSStateDescriptionOptionProvider stateDescriptionProvider;
  48
  49     @Activate
  50     public LGWebOSHandlerFactory(final @Reference WebSocketFactory webSocketFactory,
  51             final @Reference LGWebOSStateDescriptionOptionProvider stateDescriptionProvider) {
  52         /*
  53          * Cannot use openHAB's shared web socket client (webSocketFactory.getCommonWebSocketClient()) as we have to
  54          * change client settings.
  55          */
  56         this.webSocketClient = webSocketFactory.createWebSocketClient("lgwebos");
  57         this.stateDescriptionProvider = stateDescriptionProvider;
  58     }
  59
  60     @Override
  61     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  62         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  63     }
  64
  65     @Override
  66     protected @Nullable ThingHandler createHandler(Thing thing) {
  67         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  68         if (thingTypeUID.equals(THING_TYPE_WEBOSTV)) {
  69             return new LGWebOSHandler(thing, webSocketClient, stateDescriptionProvider);
  70         }
  71         return null;
  72     }
  73
  74     @Override
  75     protected void activate(ComponentContext componentContext) {
  76         super.activate(componentContext);
  77         // LGWebOS TVs only support WEAK cipher suites, thus not using SSL.
  78         // SslContextFactory sslContextFactory = new SslContextFactory(true);
  79         // sslContextFactory.addExcludeProtocols("tls/1.3");
  80
  81         // reduce timeout from default 15sec
  82         this.webSocketClient.setConnectTimeout(1000);
  83
  84         // channel and app listing are json docs up to 4MB
  85         this.webSocketClient.getPolicy().setMaxTextMessageSize(4 * 1024 * 1024);
  86
  87         // since this is not using openHAB's shared web socket client we need to start and stop
  88         try {
  89             this.webSocketClient.start();
  90         } catch (Exception e) {
  91             logger.warn("Unable to to start websocket client.", e);
  92         }
  93     }
  94
  95     @Override
  96     protected void deactivate(ComponentContext componentContext) {
  97         super.deactivate(componentContext);
  98         try {
  99             this.webSocketClient.stop();
 100         } catch (Exception e) {
 101             logger.warn("Unable to to stop websocket client.", e);
 102         }
 103     }
 104 }