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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.bluetooth.airthings.internal;
  14
  15 import java.util.Collections;
  16 import java.util.HashMap;
  17 import java.util.Map;
  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.bluetooth.BluetoothBindingConstants;
  23 import org.openhab.binding.bluetooth.discovery.BluetoothDiscoveryDevice;
  24 import org.openhab.binding.bluetooth.discovery.BluetoothDiscoveryParticipant;
  25 import org.openhab.core.config.discovery.DiscoveryResult;
  26 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  27 import org.openhab.core.thing.Thing;
  28 import org.openhab.core.thing.ThingTypeUID;
  29 import org.openhab.core.thing.ThingUID;
  30 import org.osgi.service.component.annotations.Component;
  31
  32 /**
  33  * This discovery participant is able to recognize Airthings devices and create discovery results for them.
  34  *
  35  * @author Pauli Anttila - Initial contribution
  36  *
  37  */
  38 @NonNullByDefault
  39 @Component
  40 public class AirthingsDiscoveryParticipant implements BluetoothDiscoveryParticipant {
  41
  42     private static final int AIRTHINGS_COMPANY_ID = 820; // Formerly Corentium AS
  43
  44     private static final String WAVE_PLUS_MODEL = "2930";
  45
  46     @Override
  47     public Set<ThingTypeUID> getSupportedThingTypeUIDs() {
  48         return Collections.singleton(AirthingsBindingConstants.THING_TYPE_AIRTHINGS_WAVE_PLUS);
  49     }
  50
  51     @Override
  52     public @Nullable ThingUID getThingUID(BluetoothDiscoveryDevice device) {
  53         if (isAirthingsDevice(device)) {
  54             if (WAVE_PLUS_MODEL.equals(device.getModel())) {
  55                 return new ThingUID(AirthingsBindingConstants.THING_TYPE_AIRTHINGS_WAVE_PLUS,
  56                         device.getAdapter().getUID(), device.getAddress().toString().toLowerCase().replace(":", ""));
  57             }
  58         }
  59         return null;
  60     }
  61
  62     @Override
  63     public @Nullable DiscoveryResult createResult(BluetoothDiscoveryDevice device) {
  64         if (!isAirthingsDevice(device)) {
  65             return null;
  66         }
  67         ThingUID thingUID = getThingUID(device);
  68         if (thingUID == null) {
  69             return null;
  70         }
  71         if (WAVE_PLUS_MODEL.equals(device.getModel())) {
  72             return createWavePlus(device, thingUID);
  73         }
  74         return null;
  75     }
  76
  77     @Override
  78     public boolean requiresConnection(BluetoothDiscoveryDevice device) {
  79         return isAirthingsDevice(device);
  80     }
  81
  82     private boolean isAirthingsDevice(BluetoothDiscoveryDevice device) {
  83         Integer manufacturerId = device.getManufacturerId();
  84         if (manufacturerId != null && manufacturerId == AIRTHINGS_COMPANY_ID) {
  85             return true;
  86         }
  87         return false;
  88     }
  89
  90     private DiscoveryResult createWavePlus(BluetoothDiscoveryDevice device, ThingUID thingUID) {
  91         Map<String, Object> properties = new HashMap<>();
  92         properties.put(BluetoothBindingConstants.CONFIGURATION_ADDRESS, device.getAddress().toString());
  93         properties.put(Thing.PROPERTY_VENDOR, "Airthings AS");
  94         String serialNumber = device.getSerialNumber();
  95         String firmwareRevision = device.getFirmwareRevision();
  96         String model = device.getModel();
  97         String hardwareRevision = device.getHardwareRevision();
  98         Integer txPower = device.getTxPower();
  99         if (serialNumber != null) {
 100             properties.put(Thing.PROPERTY_SERIAL_NUMBER, serialNumber);
 101         }
 102         if (firmwareRevision != null) {
 103             properties.put(Thing.PROPERTY_FIRMWARE_VERSION, firmwareRevision);
 104         }
 105         if (model != null) {
 106             properties.put(Thing.PROPERTY_MODEL_ID, model);
 107         }
 108         if (hardwareRevision != null) {
 109             properties.put(Thing.PROPERTY_HARDWARE_VERSION, hardwareRevision);
 110         }
 111         if (txPower != null) {
 112             properties.put(BluetoothBindingConstants.PROPERTY_TXPOWER, Integer.toString(txPower));
 113         }
 114         properties.put(Thing.PROPERTY_MAC_ADDRESS, device.getAddress().toString());
 115
 116         // Create the discovery result and add to the inbox
 117         return DiscoveryResultBuilder.create(thingUID).withProperties(properties)
 118                 .withRepresentationProperty(BluetoothBindingConstants.CONFIGURATION_ADDRESS)
 119                 .withBridge(device.getAdapter().getUID()).withLabel("Airthings Wave+").build();
 120     }
 121 }