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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.alarmdecoder.internal;
  14
  15 import static org.openhab.binding.alarmdecoder.internal.AlarmDecoderBindingConstants.*;
  16
  17 import java.util.HashMap;
  18 import java.util.HashSet;
  19 import java.util.Map;
  20 import java.util.Set;
  21
  22 import org.eclipse.jdt.annotation.NonNullByDefault;
  23 import org.openhab.binding.alarmdecoder.internal.handler.ADBridgeHandler;
  24 import org.openhab.binding.alarmdecoder.internal.handler.ZoneHandler;
  25 import org.openhab.core.config.discovery.AbstractDiscoveryService;
  26 import org.openhab.core.config.discovery.DiscoveryResult;
  27 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  28 import org.openhab.core.thing.ThingUID;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 /**
  33  * The {@link AlarmDecoderDiscoveryService} handles discovery of devices as they are identified by the bridge handler.
  34  * Requests from the framework to startScan() are ignored, since no active scanning is possible.
  35  *
  36  * @author Bob Adair - Initial contribution
  37  */
  38 @NonNullByDefault
  39 public class AlarmDecoderDiscoveryService extends AbstractDiscoveryService {
  40
  41     private final Logger logger = LoggerFactory.getLogger(AlarmDecoderDiscoveryService.class);
  42
  43     private ADBridgeHandler bridgeHandler;
  44     private final Set<String> discoveredZoneSet = new HashSet<>();
  45     private final Set<Integer> discoveredRFZoneSet = new HashSet<>();
  46
  47     public AlarmDecoderDiscoveryService(ADBridgeHandler bridgeHandler) throws IllegalArgumentException {
  48         super(DISCOVERABLE_DEVICE_TYPE_UIDS, 0, false);
  49         this.bridgeHandler = bridgeHandler;
  50     }
  51
  52     @Override
  53     protected void startScan() {
  54         // Ignore start scan requests
  55     }
  56
  57     public void processZone(int address, int channel) {
  58         String token = ZoneHandler.zoneID(address, channel);
  59         if (!discoveredZoneSet.contains(token)) {
  60             notifyDiscoveryOfZone(address, channel, token);
  61             discoveredZoneSet.add(token);
  62         }
  63     }
  64
  65     public void processRFZone(int serial) {
  66         if (!discoveredRFZoneSet.contains(serial)) {
  67             notifyDiscoveryOfRFZone(serial);
  68             discoveredRFZoneSet.add(serial);
  69         }
  70     }
  71
  72     private void notifyDiscoveryOfZone(int address, int channel, String idString) {
  73         ThingUID bridgeUID = bridgeHandler.getThing().getUID();
  74         ThingUID uid = new ThingUID(THING_TYPE_ZONE, bridgeUID, idString);
  75
  76         Map<String, Object> properties = new HashMap<>();
  77         properties.put(PROPERTY_ADDRESS, address);
  78         properties.put(PROPERTY_CHANNEL, channel);
  79         properties.put(PROPERTY_ID, idString);
  80
  81         DiscoveryResult result = DiscoveryResultBuilder.create(uid).withBridge(bridgeUID).withProperties(properties)
  82                 .withRepresentationProperty(PROPERTY_ID).build();
  83         thingDiscovered(result);
  84         logger.debug("Discovered Zone {}", uid);
  85     }
  86
  87     private void notifyDiscoveryOfRFZone(Integer serial) {
  88         ThingUID bridgeUID = bridgeHandler.getThing().getUID();
  89         ThingUID uid = new ThingUID(THING_TYPE_RFZONE, bridgeUID, serial.toString());
  90
  91         Map<String, Object> properties = new HashMap<>();
  92         properties.put(PROPERTY_SERIAL, serial);
  93
  94         DiscoveryResult result = DiscoveryResultBuilder.create(uid).withBridge(bridgeUID).withProperties(properties)
  95                 .withRepresentationProperty(PROPERTY_SERIAL).build();
  96         thingDiscovered(result);
  97         logger.debug("Discovered RF Zone{}", uid);
  98     }
  99 }