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   1 /**
   2  * Copyright (c) 2010-2024 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.juicenet.internal.discovery;
  14
  15 import static org.openhab.binding.juicenet.internal.JuiceNetBindingConstants.*;
  16
  17 import java.util.Objects;
  18 import java.util.Set;
  19
  20 import org.eclipse.jdt.annotation.NonNullByDefault;
  21 import org.eclipse.jdt.annotation.Nullable;
  22 import org.openhab.binding.juicenet.internal.handler.JuiceNetBridgeHandler;
  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.ThingTypeUID;
  28 import org.openhab.core.thing.ThingUID;
  29 import org.openhab.core.thing.binding.ThingHandler;
  30 import org.openhab.core.thing.binding.ThingHandlerService;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 /**
  35  * The {@link JuiceNetDiscoveryService} discovers all devices/zones reported by the FlumeTech Cloud. This requires the
  36  * api
  37  * key to get access to the cloud data.
  38  *
  39  * @author Jeff James - Initial contribution
  40  */
  41 @NonNullByDefault
  42 public class JuiceNetDiscoveryService extends AbstractDiscoveryService
  43         implements DiscoveryService, ThingHandlerService {
  44     private final Logger logger = LoggerFactory.getLogger(JuiceNetDiscoveryService.class);
  45
  46     private @Nullable JuiceNetBridgeHandler bridgeHandler;
  47
  48     private static final Set<ThingTypeUID> DISCOVERABLE_THING_TYPES_UIDS = Set.of(DEVICE_THING_TYPE);
  49
  50     public JuiceNetDiscoveryService() {
  51         super(DISCOVERABLE_THING_TYPES_UIDS, 0, false);
  52     }
  53
  54     @Override
  55     public void activate() {
  56         super.activate(null);
  57     }
  58
  59     @Override
  60     public void deactivate() {
  61         super.deactivate();
  62     }
  63
  64     @Override
  65     protected synchronized void startScan() {
  66         Objects.requireNonNull(bridgeHandler).iterateApiDevices();
  67     }
  68
  69     @Override
  70     public void setThingHandler(@Nullable ThingHandler handler) {
  71         if (handler instanceof JuiceNetBridgeHandler bridgeHandler) {
  72             bridgeHandler.setDiscoveryService(this);
  73             this.bridgeHandler = bridgeHandler;
  74         } else {
  75             this.bridgeHandler = null;
  76         }
  77     }
  78
  79     @Override
  80     public @Nullable ThingHandler getThingHandler() {
  81         return this.bridgeHandler;
  82     }
  83
  84     public void notifyDiscoveryDevice(String id, String name) {
  85         JuiceNetBridgeHandler bridgeHandler = this.bridgeHandler;
  86         Objects.requireNonNull(bridgeHandler, "Discovery with null bridgehandler.");
  87         ThingUID bridgeUID = bridgeHandler.getThing().getUID();
  88
  89         ThingUID uid = new ThingUID(DEVICE_THING_TYPE, bridgeUID, id);
  90
  91         DiscoveryResult result = DiscoveryResultBuilder.create(uid).withBridge(bridgeUID)
  92                 .withProperty(PARAMETER_UNIT_ID, id).withLabel(name).build();
  93         thingDiscovered(result);
  94         logger.debug("Discovered JuiceNetDevice {} - {}", uid, name);
  95     }
  96 }