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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.echonetlite.internal;
  14
  15 import static org.openhab.binding.echonetlite.internal.EchonetLiteBindingConstants.PROPERTY_NAME_CLASS_CODE;
  16 import static org.openhab.binding.echonetlite.internal.EchonetLiteBindingConstants.PROPERTY_NAME_GROUP_CODE;
  17 import static org.openhab.binding.echonetlite.internal.EchonetLiteBindingConstants.PROPERTY_NAME_HOSTNAME;
  18 import static org.openhab.binding.echonetlite.internal.EchonetLiteBindingConstants.PROPERTY_NAME_INSTANCE;
  19 import static org.openhab.binding.echonetlite.internal.EchonetLiteBindingConstants.PROPERTY_NAME_INSTANCE_KEY;
  20 import static org.openhab.binding.echonetlite.internal.EchonetLiteBindingConstants.PROPERTY_NAME_PORT;
  21 import static org.openhab.binding.echonetlite.internal.EchonetLiteBindingConstants.THING_TYPE_ECHONET_DEVICE;
  22
  23 import java.util.Set;
  24
  25 import org.eclipse.jdt.annotation.NonNullByDefault;
  26 import org.eclipse.jdt.annotation.Nullable;
  27 import org.openhab.core.config.discovery.AbstractDiscoveryService;
  28 import org.openhab.core.config.discovery.DiscoveryResult;
  29 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  30 import org.openhab.core.thing.ThingUID;
  31 import org.openhab.core.thing.binding.ThingHandler;
  32 import org.openhab.core.thing.binding.ThingHandlerService;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 /**
  37  * @author Michael Barker - Initial contribution
  38  */
  39 @NonNullByDefault
  40 public class EchonetDiscoveryService extends AbstractDiscoveryService
  41         implements EchonetDiscoveryListener, ThingHandlerService {
  42
  43     private final Logger logger = LoggerFactory.getLogger(EchonetDiscoveryService.class);
  44
  45     @Nullable
  46     private EchonetLiteBridgeHandler bridgeHandler;
  47
  48     public EchonetDiscoveryService() {
  49         super(Set.of(THING_TYPE_ECHONET_DEVICE), 10);
  50     }
  51
  52     @Override
  53     protected void startScan() {
  54         final EchonetLiteBridgeHandler bridgeHandler = this.bridgeHandler;
  55         logger.debug("startScan: {}", bridgeHandler);
  56         if (null != bridgeHandler) {
  57             bridgeHandler.startDiscovery(this);
  58         }
  59     }
  60
  61     @Override
  62     protected synchronized void stopScan() {
  63         final EchonetLiteBridgeHandler bridgeHandler = this.bridgeHandler;
  64         logger.debug("stopScan: {}", bridgeHandler);
  65         if (null != bridgeHandler) {
  66             bridgeHandler.stopDiscovery();
  67         }
  68     }
  69
  70     @Override
  71     public void onDeviceFound(String identifier, InstanceKey instanceKey) {
  72         final EchonetLiteBridgeHandler bridgeHandler = this.bridgeHandler;
  73
  74         if (null == bridgeHandler) {
  75             return;
  76         }
  77
  78         final DiscoveryResult discoveryResult = DiscoveryResultBuilder
  79                 .create(new ThingUID(THING_TYPE_ECHONET_DEVICE, bridgeHandler.getThing().getUID(), identifier))
  80                 .withProperty(PROPERTY_NAME_INSTANCE_KEY, instanceKey.representationProperty())
  81                 .withProperty(PROPERTY_NAME_HOSTNAME, instanceKey.address.getAddress().getHostAddress())
  82                 .withProperty(PROPERTY_NAME_PORT, instanceKey.address.getPort())
  83                 .withProperty(PROPERTY_NAME_GROUP_CODE, instanceKey.klass.groupCode())
  84                 .withProperty(PROPERTY_NAME_CLASS_CODE, instanceKey.klass.classCode())
  85                 .withProperty(PROPERTY_NAME_INSTANCE, instanceKey.instance)
  86                 .withBridge(bridgeHandler.getThing().getUID()).withRepresentationProperty(PROPERTY_NAME_INSTANCE_KEY)
  87                 .build();
  88         thingDiscovered(discoveryResult);
  89     }
  90
  91     @Override
  92     public void deactivate() {
  93         ThingHandlerService.super.deactivate();
  94     }
  95
  96     @Override
  97     public void activate() {
  98         ThingHandlerService.super.activate();
  99     }
 100
 101     @Override
 102     public void setThingHandler(ThingHandler thingHandler) {
 103         if (thingHandler instanceof EchonetLiteBridgeHandler) {
 104             this.bridgeHandler = (EchonetLiteBridgeHandler) thingHandler;
 105         }
 106     }
 107
 108     @Override
 109     public @Nullable ThingHandler getThingHandler() {
 110         return bridgeHandler;
 111     }
 112 }