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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.somfytahoma.internal.discovery;
14
15 import java.util.Enumeration;
16
17 import javax.jmdns.ServiceEvent;
18 import javax.jmdns.ServiceInfo;
19 import javax.jmdns.ServiceListener;
20
21 import org.eclipse.jdt.annotation.NonNullByDefault;
22 import org.eclipse.jdt.annotation.Nullable;
23 import org.openhab.binding.somfytahoma.internal.handler.SomfyTahomaBridgeHandler;
24 import org.slf4j.Logger;
25 import org.slf4j.LoggerFactory;
26
27 /**
28  * The {@link SomfyTahomaMDNSDiscoveryListener} represents a mDNS listener
29  * for a mDNS discovery.
30  *
31  * @author Ondrej Pecta - Initial contribution
32  */
33 @NonNullByDefault
34 public class SomfyTahomaMDNSDiscoveryListener implements ServiceListener {
35
36     private final Logger logger = LoggerFactory.getLogger(SomfyTahomaMDNSDiscoveryListener.class);
37     private final SomfyTahomaBridgeHandler handler;
38
39     public SomfyTahomaMDNSDiscoveryListener(SomfyTahomaBridgeHandler handler) {
40         this.handler = handler;
41     }
42
43     @Override
44     public void serviceAdded(@Nullable ServiceEvent event) {
45         if (event != null) {
46             logger.trace("Service added: {}", event.getInfo());
47         }
48     }
49
50     @Override
51     public void serviceRemoved(@Nullable ServiceEvent event) {
52         if (event != null) {
53             logger.trace("Service removed: {}", event.getInfo());
54         }
55     }
56
57     @Override
58     public void serviceResolved(@Nullable ServiceEvent event) {
59         if (event == null || event.getInfo() == null) {
60             logger.debug("Null event received");
61             return;
62         }
63
64         ServiceInfo info = event.getInfo();
65         logger.trace("Service resolved: {}", info);
66         if (info.getInet4Addresses().length > 0) {
67             logger.debug("Server address: {}", info.getInet4Addresses()[0].getHostAddress());
68             handler.setGatewayIPAddress(info.getInet4Addresses()[0].getHostAddress());
69         }
70         Enumeration<String> e = info.getPropertyNames();
71         if (e != null) {
72             while (e.hasMoreElements()) {
73                 String name = e.nextElement();
74                 if ("gateway_pin".equals(name)) {
75                     String pin = info.getPropertyString(name);
76                     logger.debug("Gateway PIN: {}", pin);
77                     handler.setGatewayPin(pin);
78                     handler.updateConfiguration();
79                     break;
80                 }
81             }
82         }
83     }
84 }