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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.io.homekit.internal.accessories;
  14
  15 import java.util.List;
  16 import java.util.Optional;
  17 import java.util.concurrent.CompletableFuture;
  18
  19 import org.eclipse.jdt.annotation.Nullable;
  20 import org.openhab.core.items.GenericItem;
  21 import org.openhab.core.library.items.SwitchItem;
  22 import org.openhab.core.library.types.DecimalType;
  23 import org.openhab.core.library.types.OnOffType;
  24 import org.openhab.core.types.State;
  25 import org.openhab.io.homekit.internal.HomekitAccessoryUpdater;
  26 import org.openhab.io.homekit.internal.HomekitCharacteristicType;
  27 import org.openhab.io.homekit.internal.HomekitSettings;
  28 import org.openhab.io.homekit.internal.HomekitTaggedItem;
  29
  30 import io.github.hapjava.accessories.LockMechanismAccessory;
  31 import io.github.hapjava.characteristics.HomekitCharacteristicChangeCallback;
  32 import io.github.hapjava.characteristics.impl.lock.LockCurrentStateEnum;
  33 import io.github.hapjava.characteristics.impl.lock.LockTargetStateEnum;
  34 import io.github.hapjava.services.impl.LockMechanismService;
  35
  36 /**
  37  * Implements the support of Lock accessories, mapping them to OpenHAB Switch type
  38  *
  39  * @author blafois - Initial contribution.
  40  *
  41  */
  42 public class HomekitLockImpl extends AbstractHomekitAccessoryImpl implements LockMechanismAccessory {
  43
  44     public HomekitLockImpl(HomekitTaggedItem taggedItem, List<HomekitTaggedItem> mandatoryCharacteristics,
  45             HomekitAccessoryUpdater updater, HomekitSettings settings) {
  46         super(taggedItem, mandatoryCharacteristics, updater, settings);
  47         getServices().add(new LockMechanismService(this));
  48     }
  49
  50     @Override
  51     public CompletableFuture<LockCurrentStateEnum> getLockCurrentState() {
  52         final Optional<GenericItem> item = getItem(HomekitCharacteristicType.LOCK_CURRENT_STATE, GenericItem.class);
  53         LockCurrentStateEnum lockState = LockCurrentStateEnum.UNKNOWN;
  54         if (item.isPresent()) {
  55             final State state = item.get().getState();
  56             if (state instanceof DecimalType) {
  57                 lockState = LockCurrentStateEnum.fromCode(((DecimalType) state).intValue());
  58             } else if (state instanceof OnOffType) {
  59                 lockState = state == OnOffType.ON ? LockCurrentStateEnum.SECURED : LockCurrentStateEnum.UNSECURED;
  60             }
  61         }
  62         return CompletableFuture.completedFuture(lockState);
  63     }
  64
  65     @Override
  66     public CompletableFuture<LockTargetStateEnum> getLockTargetState() {
  67         final @Nullable OnOffType state = getStateAs(HomekitCharacteristicType.LOCK_TARGET_STATE, OnOffType.class);
  68         if (state != null) {
  69             return CompletableFuture.completedFuture(
  70                     state == OnOffType.ON ? LockTargetStateEnum.SECURED : LockTargetStateEnum.UNSECURED);
  71         }
  72         return CompletableFuture.completedFuture(LockTargetStateEnum.UNSECURED);
  73         // Apple HAP specification has only SECURED and UNSECURED values for lock target state.
  74         // unknown does not supported for target state.
  75     }
  76
  77     @Override
  78     public CompletableFuture<Void> setLockTargetState(LockTargetStateEnum state) {
  79         getItem(HomekitCharacteristicType.LOCK_TARGET_STATE, SwitchItem.class).ifPresent(item -> {
  80             switch (state) {
  81                 case SECURED:
  82                     // Close the door
  83                     if (item instanceof SwitchItem) {
  84                         item.send(OnOffType.ON);
  85                     }
  86                     break;
  87                 case UNSECURED:
  88                     // Open the door
  89                     if (item instanceof SwitchItem) {
  90                         item.send(OnOffType.OFF);
  91                     }
  92                     break;
  93                 default:
  94                     break;
  95             }
  96         });
  97         return CompletableFuture.completedFuture(null);
  98     }
  99
 100     @Override
 101     public void subscribeLockCurrentState(HomekitCharacteristicChangeCallback callback) {
 102         subscribe(HomekitCharacteristicType.LOCK_CURRENT_STATE, callback);
 103     }
 104
 105     @Override
 106     public void unsubscribeLockCurrentState() {
 107         unsubscribe(HomekitCharacteristicType.LOCK_CURRENT_STATE);
 108     }
 109
 110     @Override
 111     public void subscribeLockTargetState(HomekitCharacteristicChangeCallback callback) {
 112         subscribe(HomekitCharacteristicType.LOCK_TARGET_STATE, callback);
 113     }
 114
 115     @Override
 116     public void unsubscribeLockTargetState() {
 117         unsubscribe(HomekitCharacteristicType.LOCK_TARGET_STATE);
 118     }
 119 }