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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.nanoleaf.internal.discovery;
  14
  15 import static org.openhab.binding.nanoleaf.internal.NanoleafBindingConstants.CONFIG_PANEL_ID;
  16
  17 import java.util.HashMap;
  18 import java.util.Iterator;
  19 import java.util.List;
  20 import java.util.Map;
  21
  22 import org.eclipse.jdt.annotation.NonNullByDefault;
  23 import org.eclipse.jdt.annotation.Nullable;
  24 import org.openhab.binding.nanoleaf.internal.NanoleafBindingConstants;
  25 import org.openhab.binding.nanoleaf.internal.NanoleafControllerListener;
  26 import org.openhab.binding.nanoleaf.internal.NanoleafHandlerFactory;
  27 import org.openhab.binding.nanoleaf.internal.handler.NanoleafControllerHandler;
  28 import org.openhab.binding.nanoleaf.internal.model.ControllerInfo;
  29 import org.openhab.binding.nanoleaf.internal.model.Layout;
  30 import org.openhab.binding.nanoleaf.internal.model.PanelLayout;
  31 import org.openhab.binding.nanoleaf.internal.model.PositionDatum;
  32 import org.openhab.core.config.discovery.AbstractDiscoveryService;
  33 import org.openhab.core.config.discovery.DiscoveryResult;
  34 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  35 import org.openhab.core.thing.ThingUID;
  36 import org.slf4j.Logger;
  37 import org.slf4j.LoggerFactory;
  38
  39 /**
  40  * The {@link NanoleafPanelsDiscoveryService} is responsible for discovering the individual
  41  * panels connected to the controller.
  42  *
  43  * @author Martin Raepple - Initial contribution
  44  */
  45 @NonNullByDefault
  46 public class NanoleafPanelsDiscoveryService extends AbstractDiscoveryService implements NanoleafControllerListener {
  47
  48     private static final int SEARCH_TIMEOUT_SECONDS = 60;
  49
  50     private final Logger logger = LoggerFactory.getLogger(NanoleafPanelsDiscoveryService.class);
  51     private final NanoleafControllerHandler bridgeHandler;
  52
  53     /**
  54      * Constructs a new {@link NanoleafPanelsDiscoveryService} attached to the given bridge handler.
  55      *
  56      * @param nanoleafControllerHandler The bridge handler this discovery service is attached to
  57      */
  58     public NanoleafPanelsDiscoveryService(NanoleafControllerHandler nanoleafControllerHandler) {
  59         super(NanoleafHandlerFactory.SUPPORTED_THING_TYPES_UIDS, SEARCH_TIMEOUT_SECONDS, false);
  60         this.bridgeHandler = nanoleafControllerHandler;
  61     }
  62
  63     @Override
  64     protected void startScan() {
  65         logger.debug("Starting Nanoleaf panel discovery");
  66         bridgeHandler.registerControllerListener(this);
  67     }
  68
  69     @Override
  70     protected synchronized void stopScan() {
  71         logger.debug("Stopping Nanoleaf panel discovery");
  72         super.stopScan();
  73         bridgeHandler.unregisterControllerListener(this);
  74     }
  75
  76     /**
  77      * Called by the controller handler with bridge and panel data
  78      *
  79      * @param bridge The controller
  80      * @param controllerInfo Panel data (and more)
  81      */
  82     @Override
  83     public void onControllerInfoFetched(ThingUID bridge, ControllerInfo controllerInfo) {
  84         logger.debug("Discover panels connected to controller with id {}", bridge.getAsString());
  85         final PanelLayout panelLayout = controllerInfo.getPanelLayout();
  86         @Nullable
  87         Layout layout = panelLayout.getLayout();
  88
  89         if (layout != null && layout.getNumPanels() > 0) {
  90             @Nullable
  91             final List<PositionDatum> positionData = layout.getPositionData();
  92             if (positionData != null) {
  93                 Iterator<PositionDatum> iterator = positionData.iterator();
  94                 while (iterator.hasNext()) {
  95                     @Nullable
  96                     PositionDatum panel = iterator.next();
  97                     ThingUID newPanelThingUID = new ThingUID(NanoleafBindingConstants.THING_TYPE_LIGHT_PANEL, bridge,
  98                             Integer.toString(panel.getPanelId()));
  99
 100                     final Map<String, Object> properties = new HashMap<>(1);
 101                     properties.put(CONFIG_PANEL_ID, panel.getPanelId());
 102
 103                     DiscoveryResult newPanel = DiscoveryResultBuilder.create(newPanelThingUID).withBridge(bridge)
 104                             .withProperties(properties).withLabel("Light Panel " + panel.getPanelId())
 105                             .withRepresentationProperty(CONFIG_PANEL_ID).build();
 106
 107                     logger.debug("Adding panel with id {} to inbox", panel.getPanelId());
 108                     thingDiscovered(newPanel);
 109                 }
 110             } else {
 111                 logger.debug("Couldn't add panels to inbox as layout position data was null");
 112             }
 113
 114         } else {
 115             logger.info("No panels found or connected to controller");
 116         }
 117     }
 118 }