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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.resol.internal.discovery;
  14
  15 import java.util.HashMap;
  16 import java.util.Map;
  17 import java.util.Set;
  18
  19 import org.eclipse.jdt.annotation.NonNullByDefault;
  20 import org.eclipse.jdt.annotation.Nullable;
  21 import org.openhab.binding.resol.handler.ResolBridgeHandler;
  22 import org.openhab.binding.resol.internal.ResolBindingConstants;
  23 import org.openhab.core.config.discovery.AbstractDiscoveryService;
  24 import org.openhab.core.config.discovery.DiscoveryResult;
  25 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  26 import org.openhab.core.config.discovery.DiscoveryService;
  27 import org.openhab.core.thing.ThingUID;
  28 import org.openhab.core.thing.binding.ThingHandler;
  29 import org.openhab.core.thing.binding.ThingHandlerService;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 /**
  34  * The {@link ResolDeviceDiscoveryService} class handles the discovery of things.
  35  *
  36  *
  37  * @author Raphael Mack - Initial contribution
  38  */
  39 @NonNullByDefault
  40 public class ResolDeviceDiscoveryService extends AbstractDiscoveryService
  41         implements DiscoveryService, ThingHandlerService {
  42
  43     private static final String THING_PROPERTY_TYPE = "type";
  44
  45     private final Logger logger = LoggerFactory.getLogger(ResolDeviceDiscoveryService.class);
  46
  47     private @Nullable ResolBridgeHandler resolBridgeHandler;
  48
  49     public ResolDeviceDiscoveryService() throws IllegalArgumentException {
  50         super(Set.of(ResolBindingConstants.THING_TYPE_UID_DEVICE), 15, false);
  51     }
  52
  53     public void addThing(ThingUID bridgeUID, String thingType, String type, String name) {
  54         logger.trace("Adding new Resol thing: {}", type);
  55         ThingUID thingUID = null;
  56         switch (thingType) {
  57             case ResolBindingConstants.THING_ID_DEVICE:
  58                 thingUID = new ThingUID(ResolBindingConstants.THING_TYPE_UID_DEVICE, bridgeUID, type);
  59                 break;
  60         }
  61
  62         if (thingUID != null) {
  63             logger.trace("Adding new Discovery thingType: {} bridgeType: {}", thingUID.getAsString(),
  64                     bridgeUID.getAsString());
  65
  66             Map<String, Object> properties = new HashMap<>(1);
  67             properties.put(THING_PROPERTY_TYPE, type);
  68
  69             DiscoveryResult discoveryResult = DiscoveryResultBuilder.create(thingUID).withBridge(bridgeUID)
  70                     .withRepresentationProperty(THING_PROPERTY_TYPE).withProperties(properties).withLabel(name).build();
  71             logger.trace("call register: {} label: {}", discoveryResult.getBindingId(), discoveryResult.getLabel());
  72             thingDiscovered(discoveryResult);
  73         } else {
  74             logger.debug("Discovered Thing is unsupported: type '{}'", type);
  75         }
  76     }
  77
  78     @Override
  79     public void activate() {
  80         ResolBridgeHandler resolBridgeHandler = this.resolBridgeHandler;
  81         if (resolBridgeHandler != null) {
  82             resolBridgeHandler.registerDiscoveryService(this);
  83         }
  84     }
  85
  86     @Override
  87     public void deactivate() {
  88         ResolBridgeHandler resolBridgeHandler = this.resolBridgeHandler;
  89         if (resolBridgeHandler != null) {
  90             resolBridgeHandler.unregisterDiscoveryService();
  91         }
  92     }
  93
  94     @Override
  95     protected void startScan() {
  96         ResolBridgeHandler resolBridgeHandler = this.resolBridgeHandler;
  97         if (resolBridgeHandler != null) {
  98             resolBridgeHandler.startScan();
  99         }
 100     }
 101
 102     @Override
 103     protected void stopScan() {
 104         ResolBridgeHandler resolBridgeHandler = this.resolBridgeHandler;
 105         if (resolBridgeHandler != null) {
 106             resolBridgeHandler.stopScan();
 107         }
 108         super.stopScan();
 109     }
 110
 111     @Override
 112     public void setThingHandler(ThingHandler handler) {
 113         if (handler instanceof ResolBridgeHandler) {
 114             resolBridgeHandler = (ResolBridgeHandler) handler;
 115         }
 116     }
 117
 118     @Override
 119     public @Nullable ThingHandler getThingHandler() {
 120         return resolBridgeHandler;
 121     }
 122 }