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   1 /**
   2  * Copyright (c) 2010-2021 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.xmltv.internal.discovery;
  14
  15 import static org.openhab.binding.xmltv.internal.XmlTVBindingConstants.XMLTV_CHANNEL_THING_TYPE;
  16
  17 import org.eclipse.jdt.annotation.NonNullByDefault;
  18 import org.openhab.binding.xmltv.internal.XmlTVBindingConstants;
  19 import org.openhab.binding.xmltv.internal.configuration.XmlChannelConfiguration;
  20 import org.openhab.binding.xmltv.internal.handler.XmlTVHandler;
  21 import org.openhab.binding.xmltv.internal.jaxb.Tv;
  22 import org.openhab.core.config.discovery.AbstractDiscoveryService;
  23 import org.openhab.core.config.discovery.DiscoveryResult;
  24 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  25 import org.openhab.core.thing.ThingStatus;
  26 import org.openhab.core.thing.ThingUID;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 /**
  31  * The {@link XmlTVDiscoveryService} is responsible for discovering all channels
  32  * declared in the XmlTV file
  33  *
  34  * @author Gaël L'hopital - Initial contribution
  35  */
  36 @NonNullByDefault
  37 public class XmlTVDiscoveryService extends AbstractDiscoveryService {
  38     private final Logger logger = LoggerFactory.getLogger(XmlTVDiscoveryService.class);
  39
  40     private static final int SEARCH_TIME = 10;
  41
  42     private XmlTVHandler bridgeHandler;
  43
  44     /**
  45      * Creates a XmlTVDiscoveryService with background discovery disabled.
  46      */
  47     public XmlTVDiscoveryService(XmlTVHandler bridgeHandler) {
  48         super(XmlTVBindingConstants.SUPPORTED_THING_TYPES_UIDS, SEARCH_TIME);
  49         this.bridgeHandler = bridgeHandler;
  50     }
  51
  52     @Override
  53     protected void startScan() {
  54         logger.debug("Starting XmlTV discovery scan");
  55         if (bridgeHandler.getThing().getStatus() == ThingStatus.ONLINE) {
  56             Tv tv = bridgeHandler.getXmlFile();
  57             if (tv != null) {
  58                 tv.getMediaChannels().stream().forEach(channel -> {
  59                     String channelId = channel.getId();
  60                     String uid = channelId.replaceAll("[^A-Za-z0-9_]", "_");
  61                     ThingUID thingUID = new ThingUID(XMLTV_CHANNEL_THING_TYPE, bridgeHandler.getThing().getUID(), uid);
  62
  63                     DiscoveryResult discoveryResult = DiscoveryResultBuilder.create(thingUID)
  64                             .withBridge(bridgeHandler.getThing().getUID())
  65                             .withLabel(channel.getDisplayNames().get(0).getValue()).withRepresentationProperty(uid)
  66                             .withProperty(XmlChannelConfiguration.CHANNEL_ID, channelId).build();
  67
  68                     thingDiscovered(discoveryResult);
  69                 });
  70             }
  71         }
  72     }
  73 }