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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.neeo.internal.discovery;
  14
  15 import java.io.IOException;
  16 import java.util.Collections;
  17 import java.util.Objects;
  18 import java.util.Set;
  19
  20 import org.apache.commons.lang.StringUtils;
  21 import org.eclipse.jdt.annotation.NonNullByDefault;
  22 import org.openhab.binding.neeo.internal.NeeoBrainApi;
  23 import org.openhab.binding.neeo.internal.NeeoBrainConfig;
  24 import org.openhab.binding.neeo.internal.NeeoConstants;
  25 import org.openhab.binding.neeo.internal.handler.NeeoBrainHandler;
  26 import org.openhab.binding.neeo.internal.models.NeeoBrain;
  27 import org.openhab.binding.neeo.internal.models.NeeoRoom;
  28 import org.openhab.core.config.discovery.AbstractDiscoveryService;
  29 import org.openhab.core.config.discovery.DiscoveryResult;
  30 import org.openhab.core.config.discovery.DiscoveryResultBuilder;
  31 import org.openhab.core.thing.Bridge;
  32 import org.openhab.core.thing.ThingTypeUID;
  33 import org.openhab.core.thing.ThingUID;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36
  37 /**
  38  * Implementation of {@link AbstractDiscoveryService} that will discover the rooms in a NEEO brain;
  39  *
  40  * @author Tim Roberts - Initial contribution
  41  */
  42 @NonNullByDefault
  43 public class NeeoRoomDiscoveryService extends AbstractDiscoveryService {
  44     /** The logger */
  45     private final Logger logger = LoggerFactory.getLogger(NeeoRoomDiscoveryService.class);
  46
  47     /** The room bridge type we support */
  48     private static final Set<ThingTypeUID> DISCOVERABLE_THING_TYPES_UIDS = Collections
  49             .singleton(NeeoConstants.BRIDGE_TYPE_ROOM);
  50
  51     /** The timeout (in seconds) for searching the brain */
  52     private static final int SEARCH_TIME = 10;
  53
  54     /** The brain handler that we will use */
  55     private final NeeoBrainHandler brainHandler;
  56
  57     /**
  58      * Constructs the discover service from the brain handler
  59      *
  60      * @param brainHandler a non-null brain handler
  61      */
  62     public NeeoRoomDiscoveryService(NeeoBrainHandler brainHandler) {
  63         super(DISCOVERABLE_THING_TYPES_UIDS, SEARCH_TIME);
  64         Objects.requireNonNull(brainHandler, "brainHandler cannot be null");
  65         this.brainHandler = brainHandler;
  66     }
  67
  68     @Override
  69     protected void startScan() {
  70         final String brainId = brainHandler.getNeeoBrainId();
  71
  72         final Bridge brainBridge = brainHandler.getThing();
  73         final ThingUID brainUid = brainBridge.getUID();
  74
  75         final NeeoBrainApi api = brainHandler.getNeeoBrainApi();
  76         if (api == null) {
  77             logger.debug("Brain API was not available for {} - skipping", brainId);
  78             return;
  79         }
  80
  81         try {
  82             final NeeoBrain brain = api.getBrain();
  83             final NeeoBrainConfig config = brainBridge.getConfiguration().as(NeeoBrainConfig.class);
  84             final NeeoRoom[] rooms = brain.getRooms().getRooms();
  85
  86             if (rooms.length == 0) {
  87                 logger.debug("Brain {} ({}) found - but there were no rooms - skipping", brain.getName(), brainId);
  88                 return;
  89             }
  90
  91             logger.debug("Brain {} ({}) found, scanning {} rooms in it", brain.getName(), brainId, rooms.length);
  92             for (NeeoRoom room : rooms) {
  93                 final String roomKey = room.getKey();
  94                 if (roomKey == null || StringUtils.isEmpty(roomKey)) {
  95                     logger.debug("Room didn't have a room key: {}", room);
  96                     continue;
  97                 }
  98
  99                 if (room.getDevices().getDevices().length == 0 && room.getRecipes().getRecipes().length == 0
 100                         && !config.isDiscoverEmptyRooms()) {
 101                     logger.debug("Room {} ({}) found but has no devices or recipes, ignoring - {}", roomKey, brainId,
 102                             room.getName());
 103                     continue;
 104                 }
 105
 106                 final ThingUID thingUID = new ThingUID(NeeoConstants.BRIDGE_TYPE_ROOM, brainUid, roomKey);
 107
 108                 final DiscoveryResult discoveryResult = DiscoveryResultBuilder.create(thingUID)
 109                         .withProperty(NeeoConstants.CONFIG_ROOMKEY, roomKey)
 110                         .withProperty(NeeoConstants.CONFIG_EXCLUDE_THINGS, true).withBridge(brainUid)
 111                         .withLabel(room.getName() + " (NEEO " + brainId + ")").build();
 112                 thingDiscovered(discoveryResult);
 113             }
 114         } catch (IOException e) {
 115             logger.debug("IOException occurred getting brain info ({}): {}", brainId, e.getMessage(), e);
 116         }
 117     }
 118 }