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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.wled.internal;
  14
  15 import static org.openhab.binding.wled.internal.WLedBindingConstants.*;
  16
  17 import java.util.List;
  18 import java.util.Map;
  19 import java.util.Set;
  20
  21 import org.eclipse.jdt.annotation.NonNullByDefault;
  22 import org.eclipse.jdt.annotation.Nullable;
  23 import org.openhab.binding.wled.internal.api.WledApi;
  24 import org.openhab.binding.wled.internal.handlers.WLedBridgeHandler;
  25 import org.openhab.core.config.discovery.AbstractDiscoveryService;
  26 import org.openhab.core.config.discovery.DiscoveryResult;
  27 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  28 import org.openhab.core.config.discovery.DiscoveryService;
  29 import org.openhab.core.thing.Thing;
  30 import org.openhab.core.thing.ThingTypeUID;
  31 import org.openhab.core.thing.ThingUID;
  32 import org.openhab.core.thing.binding.ThingHandler;
  33 import org.openhab.core.thing.binding.ThingHandlerService;
  34
  35 /**
  36  * The {@link WLedSegmentDiscoveryService} Discovers and adds any Wled segments found by the bridge device.
  37  *
  38  * @author Matthew Skinner - Initial contribution
  39  */
  40 @NonNullByDefault
  41 public class WLedSegmentDiscoveryService extends AbstractDiscoveryService
  42         implements DiscoveryService, ThingHandlerService {
  43     private @Nullable WLedBridgeHandler bridgeHandler;
  44     private @Nullable ThingUID bridgeUID;
  45     private static final int SEARCH_TIME = 10;
  46
  47     public WLedSegmentDiscoveryService() {
  48         super(SUPPORTED_THING_TYPES, SEARCH_TIME);
  49     }
  50
  51     public WLedSegmentDiscoveryService(Set<ThingTypeUID> supportedThingTypes, int timeout)
  52             throws IllegalArgumentException {
  53         super(supportedThingTypes, timeout);
  54     }
  55
  56     private void buildThing(int segmentIndex, String segmentName) {
  57         ThingUID localBridgeUID = bridgeUID;
  58         if (localBridgeUID == null) {
  59             return;
  60         }
  61         String newThingUID = localBridgeUID.getId() + "-" + segmentIndex;
  62         ThingUID thingUID = new ThingUID(THING_TYPE_SEGMENT, localBridgeUID, newThingUID);
  63         Map<String, Object> properties = Map.of(Thing.PROPERTY_SERIAL_NUMBER, newThingUID, CONFIG_SEGMENT_INDEX,
  64                 segmentIndex);
  65         DiscoveryResult discoveryResult = DiscoveryResultBuilder.create(thingUID).withLabel(segmentName)
  66                 .withProperties(properties).withBridge(bridgeUID)
  67                 .withRepresentationProperty(Thing.PROPERTY_SERIAL_NUMBER).build();
  68         thingDiscovered(discoveryResult);
  69     }
  70
  71     @Override
  72     protected void startScan() {
  73         WLedBridgeHandler localBridgeHandler = bridgeHandler;
  74         if (localBridgeHandler != null) {
  75             WledApi localAPI = localBridgeHandler.api;
  76             if (localAPI != null) {
  77                 List<String> names = localAPI.getSegmentNames();
  78                 for (int count = 0; count < names.size(); count++) {
  79                     buildThing(count, names.get(count));
  80                 }
  81             }
  82         }
  83     }
  84
  85     @Override
  86     public void setThingHandler(@Nullable ThingHandler handler) {
  87         if (handler instanceof WLedBridgeHandler) {
  88             bridgeHandler = (WLedBridgeHandler) handler;
  89             bridgeUID = bridgeHandler.getThing().getUID();
  90         }
  91     }
  92
  93     @Override
  94     public @Nullable ThingHandler getThingHandler() {
  95         return bridgeHandler;
  96     }
  97
  98     @Override
  99     public void deactivate() {
 100     }
 101 }