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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.volumio.internal.discovery;
  14
  15 import static org.openhab.binding.volumio.internal.VolumioBindingConstants.THING_TYPE_VOLUMIO;
  16
  17 import java.util.Collections;
  18 import java.util.HashMap;
  19 import java.util.Map;
  20 import java.util.Set;
  21
  22 import javax.jmdns.ServiceInfo;
  23
  24 import org.eclipse.jdt.annotation.NonNullByDefault;
  25 import org.eclipse.jdt.annotation.Nullable;
  26 import org.openhab.binding.volumio.internal.VolumioBindingConstants;
  27 import org.openhab.core.config.discovery.DiscoveryResult;
  28 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  29 import org.openhab.core.config.discovery.mdns.MDNSDiscoveryParticipant;
  30 import org.openhab.core.thing.ThingTypeUID;
  31 import org.openhab.core.thing.ThingUID;
  32 import org.osgi.service.component.annotations.Component;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 /**
  37  * @author Patrick Sernetz - Initial contribution
  38  * @author Chris Wohlbrecht - Adaption for openHAB 3
  39  * @author Michael Loercher - Adaption for openHAB 3
  40  */
  41 @NonNullByDefault
  42 @Component(configurationPid = "discovery.volumio")
  43 public class VolumioDiscoveryParticipant implements MDNSDiscoveryParticipant {
  44
  45     private final Logger logger = LoggerFactory.getLogger(VolumioDiscoveryParticipant.class);
  46
  47     @Override
  48     public Set<ThingTypeUID> getSupportedThingTypeUIDs() {
  49         return Set.of(THING_TYPE_VOLUMIO);
  50     }
  51
  52     @Override
  53     public String getServiceType() {
  54         return VolumioBindingConstants.DISCOVERY_SERVICE_TYPE;
  55     }
  56
  57     @Override
  58     public @Nullable DiscoveryResult createResult(ServiceInfo serviceInfo) {
  59         String volumioName = serviceInfo.getPropertyString(VolumioBindingConstants.DISCOVERY_NAME_PROPERTY);
  60         Map<String, Object> properties = new HashMap<>();
  61         ThingUID thingUID = getThingUID(serviceInfo);
  62
  63         logger.debug("Service Device: {}", serviceInfo);
  64         logger.debug("Thing UID: {}", thingUID);
  65
  66         DiscoveryResult discoveryResult = null;
  67         if (thingUID != null) {
  68             properties.put("hostname", serviceInfo.getServer());
  69             properties.put("port", serviceInfo.getPort());
  70             properties.put("protocol", "http");
  71
  72             discoveryResult = DiscoveryResultBuilder.create(thingUID).withProperties(properties).withLabel(volumioName)
  73                     .build();
  74             logger.debug("DiscoveryResult: {}", discoveryResult);
  75         }
  76         return discoveryResult;
  77     }
  78
  79     @Override
  80     public @Nullable ThingUID getThingUID(ServiceInfo serviceInfo) {
  81         Collections.list(serviceInfo.getPropertyNames()).forEach(s -> logger.debug("PropertyName: {}", s));
  82
  83         String volumioName = serviceInfo.getPropertyString("volumioName");
  84         if (volumioName == null) {
  85             return null;
  86         }
  87
  88         String uuid = serviceInfo.getPropertyString("UUID");
  89         if (uuid == null) {
  90             return null;
  91         }
  92
  93         String uuidAndServername = String.format("%s-%s", uuid, volumioName);
  94         logger.debug("return new ThingUID({}, {});", THING_TYPE_VOLUMIO, uuidAndServername);
  95         return new ThingUID(THING_TYPE_VOLUMIO, uuidAndServername);
  96     }
  97 }