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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.nikohomecontrol.internal.discovery;
  14
  15 import static org.openhab.binding.nikohomecontrol.internal.NikoHomeControlBindingConstants.*;
  16
  17 import java.util.Date;
  18 import java.util.Map;
  19
  20 import org.eclipse.jdt.annotation.NonNullByDefault;
  21 import org.eclipse.jdt.annotation.Nullable;
  22 import org.openhab.binding.nikohomecontrol.internal.handler.NikoHomeControlBridgeHandler;
  23 import org.openhab.binding.nikohomecontrol.internal.protocol.NhcAction;
  24 import org.openhab.binding.nikohomecontrol.internal.protocol.NhcEnergyMeter;
  25 import org.openhab.binding.nikohomecontrol.internal.protocol.NhcThermostat;
  26 import org.openhab.binding.nikohomecontrol.internal.protocol.NikoHomeControlCommunication;
  27 import org.openhab.core.config.discovery.AbstractDiscoveryService;
  28 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  29 import org.openhab.core.thing.ThingUID;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 /**
  34  * If a Niko Home Control bridge is added or if the user scans manually for things this
  35  * {@link NikoHomeControlDiscoveryService} is used to return Niko Home Control Actions as things to the framework.
  36  *
  37  * @author Mark Herwege - Initial Contribution
  38  */
  39 @NonNullByDefault
  40 public class NikoHomeControlDiscoveryService extends AbstractDiscoveryService {
  41
  42     private final Logger logger = LoggerFactory.getLogger(NikoHomeControlDiscoveryService.class);
  43
  44     private static final int TIMEOUT = 5;
  45
  46     private ThingUID bridgeUID;
  47     private NikoHomeControlBridgeHandler handler;
  48
  49     public NikoHomeControlDiscoveryService(NikoHomeControlBridgeHandler handler) {
  50         super(SUPPORTED_THING_TYPES_UIDS, TIMEOUT, false);
  51         logger.debug("Niko Home Control: discovery service {}", handler);
  52         bridgeUID = handler.getThing().getUID();
  53         this.handler = handler;
  54     }
  55
  56     public void activate() {
  57         handler.setNhcDiscovery(this);
  58     }
  59
  60     @Override
  61     public void deactivate() {
  62         removeOlderResults(new Date().getTime());
  63         handler.setNhcDiscovery(null);
  64     }
  65
  66     /**
  67      * Discovers devices connected to a Niko Home Control controller
  68      */
  69     public void discoverDevices() {
  70         NikoHomeControlCommunication nhcComm = handler.getCommunication();
  71
  72         if ((nhcComm == null) || !nhcComm.communicationActive()) {
  73             logger.warn("Niko Home Control: not connected.");
  74             return;
  75         }
  76         logger.debug("Niko Home Control: getting devices on {}", handler.getThing().getUID().getId());
  77
  78         Map<String, NhcAction> actions = nhcComm.getActions();
  79
  80         actions.forEach((actionId, nhcAction) -> {
  81             String thingName = nhcAction.getName();
  82             String thingLocation = nhcAction.getLocation();
  83
  84             switch (nhcAction.getType()) {
  85                 case TRIGGER:
  86                     addActionDevice(new ThingUID(THING_TYPE_PUSHBUTTON, handler.getThing().getUID(), actionId),
  87                             actionId, thingName, thingLocation);
  88                     break;
  89                 case RELAY:
  90                     addActionDevice(new ThingUID(THING_TYPE_ON_OFF_LIGHT, handler.getThing().getUID(), actionId),
  91                             actionId, thingName, thingLocation);
  92                     break;
  93                 case DIMMER:
  94                     addActionDevice(new ThingUID(THING_TYPE_DIMMABLE_LIGHT, handler.getThing().getUID(), actionId),
  95                             actionId, thingName, thingLocation);
  96                     break;
  97                 case ROLLERSHUTTER:
  98                     addActionDevice(new ThingUID(THING_TYPE_BLIND, handler.getThing().getUID(), actionId), actionId,
  99                             thingName, thingLocation);
 100                     break;
 101                 default:
 102                     logger.debug("Niko Home Control: unrecognized action type {} for {} {}", nhcAction.getType(),
 103                             actionId, thingName);
 104             }
 105         });
 106
 107         Map<String, NhcThermostat> thermostats = nhcComm.getThermostats();
 108
 109         thermostats.forEach((thermostatId, nhcThermostat) -> {
 110             String thingName = nhcThermostat.getName();
 111             String thingLocation = nhcThermostat.getLocation();
 112             addThermostatDevice(new ThingUID(THING_TYPE_THERMOSTAT, handler.getThing().getUID(), thermostatId),
 113                     thermostatId, thingName, thingLocation);
 114         });
 115
 116         Map<String, NhcEnergyMeter> energyMeters = nhcComm.getEnergyMeters();
 117
 118         energyMeters.forEach((energyMeterId, nhcEnergyMeter) -> {
 119             String thingName = nhcEnergyMeter.getName();
 120             addEnergyMeterDevice(new ThingUID(THING_TYPE_ENERGYMETER, handler.getThing().getUID(), energyMeterId),
 121                     energyMeterId, thingName);
 122         });
 123     }
 124
 125     private void addActionDevice(ThingUID uid, String actionId, String thingName, @Nullable String thingLocation) {
 126         DiscoveryResultBuilder discoveryResultBuilder = DiscoveryResultBuilder.create(uid).withBridge(bridgeUID)
 127                 .withLabel(thingName).withProperty(CONFIG_ACTION_ID, actionId);
 128         if (thingLocation != null) {
 129             discoveryResultBuilder.withProperty("Location", thingLocation);
 130         }
 131         thingDiscovered(discoveryResultBuilder.build());
 132     }
 133
 134     private void addThermostatDevice(ThingUID uid, String thermostatId, String thingName,
 135             @Nullable String thingLocation) {
 136         DiscoveryResultBuilder discoveryResultBuilder = DiscoveryResultBuilder.create(uid).withBridge(bridgeUID)
 137                 .withLabel(thingName).withProperty(CONFIG_THERMOSTAT_ID, thermostatId);
 138         if (thingLocation != null) {
 139             discoveryResultBuilder.withProperty("Location", thingLocation);
 140         }
 141         thingDiscovered(discoveryResultBuilder.build());
 142     }
 143
 144     private void addEnergyMeterDevice(ThingUID uid, String energyMeterId, String thingName) {
 145         DiscoveryResultBuilder discoveryResultBuilder = DiscoveryResultBuilder.create(uid).withBridge(bridgeUID)
 146                 .withLabel(thingName).withProperty(CONFIG_ENERGYMETER_ID, energyMeterId);
 147         thingDiscovered(discoveryResultBuilder.build());
 148     }
 149
 150     @Override
 151     protected void startScan() {
 152         discoverDevices();
 153     }
 154
 155     @Override
 156     protected synchronized void stopScan() {
 157         super.stopScan();
 158         removeOlderResults(getTimestampOfLastScan());
 159     }
 160 }