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   1 /**
   2  * Copyright (c) 2010-2020 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.deconz.internal.discovery;
  14
  15 import static org.openhab.binding.deconz.internal.BindingConstants.*;
  16
  17 import java.net.URL;
  18 import java.util.Collections;
  19 import java.util.Map;
  20 import java.util.Set;
  21 import java.util.TreeMap;
  22
  23 import org.eclipse.jdt.annotation.NonNullByDefault;
  24 import org.eclipse.jdt.annotation.Nullable;
  25 import org.jupnp.model.meta.DeviceDetails;
  26 import org.jupnp.model.meta.RemoteDevice;
  27 import org.openhab.core.config.discovery.DiscoveryResult;
  28 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  29 import org.openhab.core.config.discovery.upnp.UpnpDiscoveryParticipant;
  30 import org.openhab.core.thing.ThingTypeUID;
  31 import org.openhab.core.thing.ThingUID;
  32 import org.osgi.service.component.annotations.Component;
  33
  34 /**
  35  * Discover deCONZ software instances. They announce themselves as HUE bridges,
  36  * and their REST API is compatible to HUE bridges. But they also provide a websocket
  37  * real-time channel for sensors.
  38  *
  39  * We check for the manufacturer string of "dresden elektronik".
  40  *
  41  * @author David Graeff - Initial contribution
  42  */
  43 @NonNullByDefault
  44 @Component(service = UpnpDiscoveryParticipant.class)
  45 public class BridgeDiscoveryParticipant implements UpnpDiscoveryParticipant {
  46
  47     @Override
  48     public Set<ThingTypeUID> getSupportedThingTypeUIDs() {
  49         return Collections.singleton(BRIDGE_TYPE);
  50     }
  51
  52     @Override
  53     public @Nullable DiscoveryResult createResult(RemoteDevice device) {
  54         ThingUID uid = getThingUID(device);
  55         if (uid == null) {
  56             return null;
  57         }
  58         URL descriptorURL = device.getIdentity().getDescriptorURL();
  59         String UDN = device.getIdentity().getUdn().getIdentifierString();
  60
  61         // Friendly name is like "name (host)"
  62         String name = device.getDetails().getFriendlyName();
  63         // Cut out the pure name
  64         if (name.indexOf('(') - 1 > 0) {
  65             name = name.substring(0, name.indexOf('(') - 1);
  66         }
  67         // Add host+port
  68         String host = descriptorURL.getHost();
  69         int port = descriptorURL.getPort();
  70         name = name + " (" + host + ":" + String.valueOf(port) + ")";
  71
  72         Map<String, Object> properties = new TreeMap<>();
  73
  74         properties.put(CONFIG_HOST, host);
  75         properties.put(CONFIG_HTTP_PORT, port);
  76         properties.put(PROPERTY_UDN, UDN);
  77
  78         return DiscoveryResultBuilder.create(uid).withProperties(properties).withLabel(name)
  79                 .withRepresentationProperty(PROPERTY_UDN).build();
  80     }
  81
  82     @Override
  83     public @Nullable ThingUID getThingUID(RemoteDevice device) {
  84         DeviceDetails details = device.getDetails();
  85         if (details != null && details.getManufacturerDetails() != null
  86                 && "dresden elektronik".equals(details.getManufacturerDetails().getManufacturer())) {
  87             return new ThingUID(BRIDGE_TYPE, details.getSerialNumber());
  88         }
  89         return null;
  90     }
  91 }