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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.omnilink.internal.handler;
  14
  15 import static org.openhab.binding.omnilink.internal.OmnilinkBindingConstants.*;
  16
  17 import java.util.Map;
  18 import java.util.Optional;
  19
  20 import org.eclipse.jdt.annotation.NonNullByDefault;
  21 import org.eclipse.jdt.annotation.Nullable;
  22 import org.openhab.binding.omnilink.internal.discovery.ObjectPropertyRequest;
  23 import org.openhab.binding.omnilink.internal.discovery.ObjectPropertyRequests;
  24 import org.openhab.core.library.types.OnOffType;
  25 import org.openhab.core.thing.ChannelUID;
  26 import org.openhab.core.thing.Thing;
  27 import org.openhab.core.thing.ThingStatus;
  28 import org.openhab.core.thing.ThingStatusDetail;
  29 import org.openhab.core.types.Command;
  30 import org.openhab.core.types.RefreshType;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 import com.digitaldan.jomnilinkII.Message;
  35 import com.digitaldan.jomnilinkII.MessageTypes.CommandMessage;
  36 import com.digitaldan.jomnilinkII.MessageTypes.ObjectStatus;
  37 import com.digitaldan.jomnilinkII.MessageTypes.properties.AccessControlReaderProperties;
  38 import com.digitaldan.jomnilinkII.MessageTypes.statuses.ExtendedAccessControlReaderLockStatus;
  39 import com.digitaldan.jomnilinkII.OmniInvalidResponseException;
  40 import com.digitaldan.jomnilinkII.OmniUnknownMessageTypeException;
  41
  42 /**
  43  * The {@link LockHandler} defines some methods that are used to
  44  * interface with an OmniLink Lock. This by extension also defines the
  45  * Lock thing that openHAB will be able to pick up and interface with.
  46  *
  47  * @author Brian O'Connell - Initial contribution
  48  * @author Ethan Dye - openHAB3 rewrite
  49  */
  50 @NonNullByDefault
  51 public class LockHandler extends AbstractOmnilinkStatusHandler<ExtendedAccessControlReaderLockStatus> {
  52     private final Logger logger = LoggerFactory.getLogger(LockHandler.class);
  53     private final int thingID = getThingNumber();
  54     public @Nullable String number;
  55
  56     public LockHandler(Thing thing) {
  57         super(thing);
  58     }
  59
  60     @Override
  61     public void initialize() {
  62         super.initialize();
  63         final OmnilinkBridgeHandler bridgeHandler = getOmnilinkBridgeHandler();
  64         if (bridgeHandler != null) {
  65             updateLockProperties(bridgeHandler);
  66         } else {
  67             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.OFFLINE.COMMUNICATION_ERROR,
  68                     "Received null bridge while initializing Lock!");
  69         }
  70     }
  71
  72     private void updateLockProperties(OmnilinkBridgeHandler bridgeHandler) {
  73         ObjectPropertyRequest<AccessControlReaderProperties> objectPropertyRequest = ObjectPropertyRequest
  74                 .builder(bridgeHandler, ObjectPropertyRequests.LOCK, thingID, 0).selectNamed().build();
  75
  76         for (AccessControlReaderProperties lockProperties : objectPropertyRequest) {
  77             Map<String, String> properties = editProperties();
  78             properties.put(THING_PROPERTIES_NAME, lockProperties.getName());
  79             updateProperties(properties);
  80         }
  81     }
  82
  83     @Override
  84     public void handleCommand(ChannelUID channelUID, Command command) {
  85         logger.debug("handleCommand called for channel: {}, command: {}", channelUID, command);
  86
  87         if (command instanceof RefreshType) {
  88             retrieveStatus().ifPresentOrElse(this::updateChannels, () -> updateStatus(ThingStatus.OFFLINE,
  89                     ThingStatusDetail.OFFLINE.COMMUNICATION_ERROR, "Received null status update!"));
  90             return;
  91         }
  92
  93         switch (channelUID.getId()) {
  94             case CHANNEL_LOCK_SWITCH:
  95                 if (command instanceof OnOffType) {
  96                     sendOmnilinkCommand(OnOffType.OFF.equals(command) ? CommandMessage.CMD_UNLOCK_DOOR
  97                             : CommandMessage.CMD_LOCK_DOOR, 0, thingID);
  98                 } else {
  99                     logger.debug("Invalid command {}, must be OnOffType", command);
 100                 }
 101                 break;
 102             default:
 103                 logger.warn("Unknown channel for Lock thing: {}", channelUID);
 104         }
 105     }
 106
 107     @Override
 108     public void updateChannels(ExtendedAccessControlReaderLockStatus status) {
 109         logger.debug("updateChannels called for Lock status: {}", status);
 110         updateState(CHANNEL_LOCK_SWITCH, OnOffType.from(status.isLocked()));
 111     }
 112
 113     @Override
 114     protected Optional<ExtendedAccessControlReaderLockStatus> retrieveStatus() {
 115         try {
 116             final OmnilinkBridgeHandler bridgeHandler = getOmnilinkBridgeHandler();
 117             if (bridgeHandler != null) {
 118                 ObjectStatus objStatus = bridgeHandler.requestObjectStatus(Message.OBJ_TYPE_CONTROL_LOCK, thingID,
 119                         thingID, true);
 120                 return Optional.of((ExtendedAccessControlReaderLockStatus) objStatus.getStatuses()[0]);
 121             } else {
 122                 logger.debug("Received null bridge while updating Lock status!");
 123                 return Optional.empty();
 124             }
 125         } catch (OmniInvalidResponseException | OmniUnknownMessageTypeException | BridgeOfflineException e) {
 126             logger.debug("Received exception while refreshing Lock status: {}", e.getMessage());
 127             return Optional.empty();
 128         }
 129     }
 130 }