2 * Copyright (c) 2010-2021 Contributors to the openHAB project
4 * See the NOTICE file(s) distributed with this work for additional
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
11 * SPDX-License-Identifier: EPL-2.0
13 package org.openhab.io.homekit.internal.accessories;
15 import static org.openhab.io.homekit.internal.HomekitAccessoryType.*;
16 import static org.openhab.io.homekit.internal.HomekitCharacteristicType.*;
18 import java.lang.reflect.InvocationTargetException;
20 import java.util.AbstractMap.SimpleEntry;
21 import java.util.Map.Entry;
22 import java.util.stream.Collectors;
23 import java.util.stream.Stream;
25 import org.eclipse.jdt.annotation.NonNullByDefault;
26 import org.eclipse.jdt.annotation.Nullable;
27 import org.openhab.core.items.GenericItem;
28 import org.openhab.core.items.GroupItem;
29 import org.openhab.core.items.Item;
30 import org.openhab.core.items.ItemRegistry;
31 import org.openhab.core.items.Metadata;
32 import org.openhab.core.items.MetadataKey;
33 import org.openhab.core.items.MetadataRegistry;
34 import org.openhab.io.homekit.internal.HomekitAccessoryType;
35 import org.openhab.io.homekit.internal.HomekitAccessoryUpdater;
36 import org.openhab.io.homekit.internal.HomekitCharacteristicType;
37 import org.openhab.io.homekit.internal.HomekitException;
38 import org.openhab.io.homekit.internal.HomekitOHItemProxy;
39 import org.openhab.io.homekit.internal.HomekitSettings;
40 import org.openhab.io.homekit.internal.HomekitTaggedItem;
41 import org.slf4j.Logger;
42 import org.slf4j.LoggerFactory;
44 import io.github.hapjava.accessories.HomekitAccessory;
45 import io.github.hapjava.characteristics.Characteristic;
46 import io.github.hapjava.services.Service;
49 * Creates a HomekitAccessory for a given HomekitTaggedItem.
51 * @author Andy Lintner - Initial contribution
52 * @author Eugen Freiter - refactoring for optional characteristics
55 public class HomekitAccessoryFactory {
56 private static final Logger logger = LoggerFactory.getLogger(HomekitAccessoryFactory.class);
57 public final static String METADATA_KEY = "homekit"; // prefix for HomeKit meta information in items.xml
59 /** List of mandatory attributes for each accessory type. **/
60 private final static Map<HomekitAccessoryType, HomekitCharacteristicType[]> MANDATORY_CHARACTERISTICS = new HashMap<HomekitAccessoryType, HomekitCharacteristicType[]>() {
62 put(LEAK_SENSOR, new HomekitCharacteristicType[] { LEAK_DETECTED_STATE });
63 put(MOTION_SENSOR, new HomekitCharacteristicType[] { MOTION_DETECTED_STATE });
64 put(OCCUPANCY_SENSOR, new HomekitCharacteristicType[] { OCCUPANCY_DETECTED_STATE });
65 put(CONTACT_SENSOR, new HomekitCharacteristicType[] { CONTACT_SENSOR_STATE });
66 put(SMOKE_SENSOR, new HomekitCharacteristicType[] { SMOKE_DETECTED_STATE });
67 put(HUMIDITY_SENSOR, new HomekitCharacteristicType[] { RELATIVE_HUMIDITY });
68 put(AIR_QUALITY_SENSOR, new HomekitCharacteristicType[] { AIR_QUALITY });
69 put(SWITCH, new HomekitCharacteristicType[] { ON_STATE });
70 put(CARBON_DIOXIDE_SENSOR, new HomekitCharacteristicType[] { CARBON_DIOXIDE_DETECTED_STATE });
71 put(CARBON_MONOXIDE_SENSOR, new HomekitCharacteristicType[] { CARBON_MONOXIDE_DETECTED_STATE });
72 put(WINDOW_COVERING, new HomekitCharacteristicType[] { TARGET_POSITION, CURRENT_POSITION, POSITION_STATE });
73 put(LIGHTBULB, new HomekitCharacteristicType[] { ON_STATE });
74 put(FAN, new HomekitCharacteristicType[] { ACTIVE_STATUS });
75 put(LIGHT_SENSOR, new HomekitCharacteristicType[] { LIGHT_LEVEL });
76 put(TEMPERATURE_SENSOR, new HomekitCharacteristicType[] { CURRENT_TEMPERATURE });
77 put(THERMOSTAT, new HomekitCharacteristicType[] { CURRENT_HEATING_COOLING_STATE,
78 TARGET_HEATING_COOLING_STATE, CURRENT_TEMPERATURE, TARGET_TEMPERATURE });
79 put(LOCK, new HomekitCharacteristicType[] { LOCK_CURRENT_STATE, LOCK_TARGET_STATE });
80 put(VALVE, new HomekitCharacteristicType[] { ACTIVE_STATUS, INUSE_STATUS });
82 new HomekitCharacteristicType[] { SECURITY_SYSTEM_CURRENT_STATE, SECURITY_SYSTEM_TARGET_STATE });
83 put(OUTLET, new HomekitCharacteristicType[] { ON_STATE, INUSE_STATUS });
84 put(SPEAKER, new HomekitCharacteristicType[] { MUTE });
85 put(GARAGE_DOOR_OPENER,
86 new HomekitCharacteristicType[] { CURRENT_DOOR_STATE, TARGET_DOOR_STATE, OBSTRUCTION_STATUS });
87 put(HEATER_COOLER, new HomekitCharacteristicType[] { ACTIVE_STATUS, CURRENT_HEATER_COOLER_STATE,
88 TARGET_HEATER_COOLER_STATE, CURRENT_TEMPERATURE });
89 put(WINDOW, new HomekitCharacteristicType[] { CURRENT_POSITION, TARGET_POSITION, POSITION_STATE });
90 put(DOOR, new HomekitCharacteristicType[] { CURRENT_POSITION, TARGET_POSITION, POSITION_STATE });
94 /** List of service implementation for each accessory type. **/
95 private final static Map<HomekitAccessoryType, Class<? extends AbstractHomekitAccessoryImpl>> SERVICE_IMPL_MAP = new HashMap<HomekitAccessoryType, Class<? extends AbstractHomekitAccessoryImpl>>() {
97 put(LEAK_SENSOR, HomekitLeakSensorImpl.class);
98 put(MOTION_SENSOR, HomekitMotionSensorImpl.class);
99 put(OCCUPANCY_SENSOR, HomekitOccupancySensorImpl.class);
100 put(CONTACT_SENSOR, HomekitContactSensorImpl.class);
101 put(SMOKE_SENSOR, HomekitSmokeSensorImpl.class);
102 put(HUMIDITY_SENSOR, HomekitHumiditySensorImpl.class);
103 put(AIR_QUALITY_SENSOR, HomekitAirQualitySensorImpl.class);
104 put(SWITCH, HomekitSwitchImpl.class);
105 put(CARBON_DIOXIDE_SENSOR, HomekitCarbonDioxideSensorImpl.class);
106 put(CARBON_MONOXIDE_SENSOR, HomekitCarbonMonoxideSensorImpl.class);
107 put(WINDOW_COVERING, HomekitWindowCoveringImpl.class);
108 put(LIGHTBULB, HomekitLightbulbImpl.class);
109 put(FAN, HomekitFanImpl.class);
110 put(LIGHT_SENSOR, HomekitLightSensorImpl.class);
111 put(TEMPERATURE_SENSOR, HomekitTemperatureSensorImpl.class);
112 put(THERMOSTAT, HomekitThermostatImpl.class);
113 put(LOCK, HomekitLockImpl.class);
114 put(VALVE, HomekitValveImpl.class);
115 put(SECURITY_SYSTEM, HomekitSecuritySystemImpl.class);
116 put(OUTLET, HomekitOutletImpl.class);
117 put(SPEAKER, HomekitSpeakerImpl.class);
118 put(GARAGE_DOOR_OPENER, HomekitGarageDoorOpenerImpl.class);
119 put(DOOR, HomekitDoorImpl.class);
120 put(WINDOW, HomekitWindowImpl.class);
121 put(HEATER_COOLER, HomekitHeaterCoolerImpl.class);
126 * creates HomeKit accessory for a openhab item.
128 * @param taggedItem openhab item tagged as HomeKit item
129 * @param metadataRegistry openhab metadata registry required to get item meta information
130 * @param updater OH HomeKit update class that ensure the status sync between OH item and corresponding HomeKit
132 * @param settings OH settings
133 * @return HomeKit accessory
134 * @throws HomekitException exception in case HomeKit accessory could not be created, e.g. due missing mandatory
137 @SuppressWarnings("null")
138 public static HomekitAccessory create(HomekitTaggedItem taggedItem, MetadataRegistry metadataRegistry,
139 HomekitAccessoryUpdater updater, HomekitSettings settings) throws HomekitException {
140 final HomekitAccessoryType accessoryType = taggedItem.getAccessoryType();
141 logger.trace("Constructing {} of accessory type {}", taggedItem.getName(), accessoryType.getTag());
142 final List<HomekitTaggedItem> requiredCharacteristics = getMandatoryCharacteristics(taggedItem,
144 final HomekitCharacteristicType[] mandatoryCharacteristics = MANDATORY_CHARACTERISTICS.get(accessoryType);
145 if ((mandatoryCharacteristics != null) && (requiredCharacteristics.size() < mandatoryCharacteristics.length)) {
146 logger.warn("Accessory of type {} must have following characteristics {}. Found only {}",
147 accessoryType.getTag(), mandatoryCharacteristics, requiredCharacteristics);
148 throw new HomekitException("Missing mandatory characteristics");
150 AbstractHomekitAccessoryImpl accessoryImpl;
152 final @Nullable Class<? extends AbstractHomekitAccessoryImpl> accessoryImplClass = SERVICE_IMPL_MAP
154 if (accessoryImplClass != null) {
155 accessoryImpl = accessoryImplClass
156 .getConstructor(HomekitTaggedItem.class, List.class, HomekitAccessoryUpdater.class,
157 HomekitSettings.class)
158 .newInstance(taggedItem, requiredCharacteristics, updater, settings);
159 addOptionalCharacteristics(taggedItem, accessoryImpl, metadataRegistry);
160 return accessoryImpl;
162 logger.warn("Unsupported HomeKit type: {}", accessoryType.getTag());
163 throw new HomekitException("Unsupported HomeKit type: " + accessoryType);
165 } catch (NoSuchMethodException | IllegalAccessException | InstantiationException
166 | InvocationTargetException e) {
167 logger.warn("Cannot instantiate accessory implementation for accessory {}", accessoryType.getTag(), e);
168 throw new HomekitException("Cannot instantiate accessory implementation for accessory " + accessoryType);
173 * return HomeKit accessory types for a OH item based on meta data
175 * @param item OH item
176 * @param metadataRegistry meta data registry
177 * @return list of HomeKit accessory types and characteristics.
179 public static List<Entry<HomekitAccessoryType, HomekitCharacteristicType>> getAccessoryTypes(Item item,
180 MetadataRegistry metadataRegistry) {
181 final List<Entry<HomekitAccessoryType, HomekitCharacteristicType>> accessories = new ArrayList<>();
182 final @Nullable Metadata metadata = metadataRegistry.get(new MetadataKey(METADATA_KEY, item.getUID()));
183 if (metadata != null) {
184 String[] tags = metadata.getValue().split(",");
185 for (String tag : tags) {
186 final String[] meta = tag.split("\\.");
187 Optional<HomekitAccessoryType> accessoryType = HomekitAccessoryType.valueOfTag(meta[0].trim());
188 if (accessoryType.isPresent()) { // it accessory, check for characteristic
189 HomekitAccessoryType type = accessoryType.get();
190 if (meta.length > 1) {
191 // it has characteristic as well
192 accessories.add(new SimpleEntry<>(type,
193 HomekitCharacteristicType.valueOfTag(meta[1].trim()).orElse(EMPTY)));
194 } else {// it has no characteristic
195 accessories.add(new SimpleEntry<>(type, EMPTY));
197 } else { // it is no accessory, so, maybe it is a characteristic
198 HomekitCharacteristicType.valueOfTag(meta[0].trim())
199 .ifPresent(c -> accessories.add(new SimpleEntry<>(DUMMY, c)));
206 public static @Nullable Map<String, Object> getItemConfiguration(Item item, MetadataRegistry metadataRegistry) {
207 final @Nullable Metadata metadata = metadataRegistry.get(new MetadataKey(METADATA_KEY, item.getUID()));
208 return metadata != null ? metadata.getConfiguration() : null;
212 * return list of HomeKit relevant groups linked to an accessory
214 * @param item OH item
215 * @param itemRegistry item registry
216 * @param metadataRegistry metadata registry
217 * @return list of relevant group items
219 public static List<GroupItem> getAccessoryGroups(Item item, ItemRegistry itemRegistry,
220 MetadataRegistry metadataRegistry) {
221 return item.getGroupNames().stream().flatMap(name -> {
222 final @Nullable Item groupItem = itemRegistry.get(name);
223 if ((groupItem instanceof GroupItem) && ((GroupItem) groupItem).getBaseItem() == null) {
224 return Stream.of((GroupItem) groupItem);
226 return Stream.empty();
228 }).filter(groupItem -> !getAccessoryTypes(groupItem, metadataRegistry).isEmpty()).collect(Collectors.toList());
232 * collect all mandatory characteristics for a given tagged item, e.g. collect all mandatory HomeKit items from a
235 * @param taggedItem HomeKit tagged item
236 * @param metadataRegistry meta data registry
237 * @return list of mandatory
239 private static List<HomekitTaggedItem> getMandatoryCharacteristics(HomekitTaggedItem taggedItem,
240 MetadataRegistry metadataRegistry) {
241 List<HomekitTaggedItem> collectedCharacteristics = new ArrayList<>();
242 if (taggedItem.isGroup()) {
243 for (Item item : ((GroupItem) taggedItem.getItem()).getAllMembers()) {
244 addMandatoryCharacteristics(taggedItem, collectedCharacteristics, item, metadataRegistry);
247 addMandatoryCharacteristics(taggedItem, collectedCharacteristics, taggedItem.getItem(), metadataRegistry);
249 logger.trace("Mandatory characteristics for item {} characteristics {}", taggedItem.getName(),
250 collectedCharacteristics);
251 return collectedCharacteristics;
255 * add mandatory HomeKit items for a given main item to a list of characteristics.
256 * Main item is use only to determine, which characteristics are mandatory.
257 * The characteristics are added to item.
258 * e.g. mainItem could be a group tagged as "thermostat" and item could be item linked to the group and marked as
261 * @param mainItem main item
262 * @param characteristics list of characteristics
263 * @param item current item
264 * @param metadataRegistry meta date registry
266 private static void addMandatoryCharacteristics(HomekitTaggedItem mainItem, List<HomekitTaggedItem> characteristics,
267 Item item, MetadataRegistry metadataRegistry) {
268 // get list of mandatory characteristics
269 HomekitCharacteristicType[] mandatoryCharacteristics = MANDATORY_CHARACTERISTICS
270 .get(mainItem.getAccessoryType());
271 if ((mandatoryCharacteristics == null) || (mandatoryCharacteristics.length == 0)) {
272 // no mandatory characteristics linked to accessory type of mainItem. we are done
275 // check whether we adding characteristic to the main item, and if yes, use existing item proxy.
276 // if we adding no to the main item (typical for groups), create new proxy item.
277 final HomekitOHItemProxy itemProxy = mainItem.getItem().equals(item) ? mainItem.getProxyItem()
278 : new HomekitOHItemProxy(item);
279 // an item can have several tags, e.g. "ActiveStatus, InUse". we iterate here over all his tags
280 for (Entry<HomekitAccessoryType, HomekitCharacteristicType> accessory : getAccessoryTypes(item,
282 // if the item has only accessory tag, e.g. TemperatureSensor,
283 // the we will link all mandatory characteristic to this item,
284 // e.g. we will link CurrentTemperature in case of TemperatureSensor.
285 if (isRootAccessory(accessory)) {
286 Arrays.stream(mandatoryCharacteristics)
287 .forEach(c -> characteristics.add(new HomekitTaggedItem(itemProxy, accessory.getKey(), c,
288 mainItem.isGroup() ? (GroupItem) mainItem.getItem() : null,
289 HomekitAccessoryFactory.getItemConfiguration(item, metadataRegistry))));
291 // item has characteristic tag on it, so, adding it as that characteristic.
293 final HomekitCharacteristicType characteristic = accessory.getValue();
295 // check whether it is a mandatory characteristic. optional will be added later by another method.
296 if (isMandatoryCharacteristic(mainItem.getAccessoryType(), characteristic)) {
297 characteristics.add(new HomekitTaggedItem(itemProxy, accessory.getKey(), characteristic,
298 mainItem.isGroup() ? (GroupItem) mainItem.getItem() : null,
299 HomekitAccessoryFactory.getItemConfiguration(item, metadataRegistry)));
306 * add optional characteristic for given accessory.
308 * @param taggedItem main item
309 * @param accessory accessory
310 * @param metadataRegistry metadata registry
312 private static void addOptionalCharacteristics(HomekitTaggedItem taggedItem, AbstractHomekitAccessoryImpl accessory,
313 MetadataRegistry metadataRegistry) {
314 Map<HomekitCharacteristicType, GenericItem> characteristics = getOptionalCharacteristics(
315 accessory.getRootAccessory(), metadataRegistry);
316 Service service = accessory.getPrimaryService();
317 HashMap<String, HomekitOHItemProxy> proxyItems = new HashMap<>();
318 proxyItems.put(taggedItem.getItem().getUID(), taggedItem.getProxyItem());
319 // an accessory can have multiple optional characteristics. iterate over them.
320 characteristics.forEach((type, item) -> {
322 // check whether a proxyItem already exists, if not create one.
323 final HomekitOHItemProxy proxyItem = Objects
324 .requireNonNull(proxyItems.computeIfAbsent(item.getUID(), k -> new HomekitOHItemProxy(item)));
325 final HomekitTaggedItem optionalItem = new HomekitTaggedItem(proxyItem,
326 accessory.getRootAccessory().getAccessoryType(), type,
327 accessory.getRootAccessory().getRootDeviceGroupItem(),
328 getItemConfiguration(item, metadataRegistry));
329 final Characteristic characteristic = HomekitCharacteristicFactory.createCharacteristic(optionalItem,
330 accessory.getUpdater());
331 // find the corresponding add method at service and call it.
332 service.getClass().getMethod("addOptionalCharacteristic", characteristic.getClass()).invoke(service,
334 accessory.addCharacteristic(optionalItem);
335 } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException | HomekitException e) {
336 logger.warn("Unsupported optional HomeKit characteristic: service type {}, characteristic type {}",
337 service.getType(), type.getTag());
343 * collect optional HomeKit characteristics for a OH item.
345 * @param taggedItem main OH item
346 * @param metadataRegistry OH metadata registry
347 * @return a map with characteristics and corresponding OH items
349 private static Map<HomekitCharacteristicType, GenericItem> getOptionalCharacteristics(HomekitTaggedItem taggedItem,
350 MetadataRegistry metadataRegistry) {
351 Map<HomekitCharacteristicType, GenericItem> characteristicItems = new HashMap<>();
352 if (taggedItem.isGroup()) {
353 GroupItem groupItem = (GroupItem) taggedItem.getItem();
354 groupItem.getMembers().forEach(item -> getAccessoryTypes(item, metadataRegistry).stream()
355 .filter(c -> !isRootAccessory(c))
356 .filter(c -> !isMandatoryCharacteristic(taggedItem.getAccessoryType(), c.getValue()))
357 .forEach(characteristic -> characteristicItems.put(characteristic.getValue(), (GenericItem) item)));
359 getAccessoryTypes(taggedItem.getItem(), metadataRegistry).stream().filter(c -> !isRootAccessory(c))
360 .filter(c -> !isMandatoryCharacteristic(taggedItem.getAccessoryType(), c.getValue()))
361 .forEach(characteristic -> characteristicItems.put(characteristic.getValue(),
362 (GenericItem) taggedItem.getItem()));
364 logger.trace("Optional characteristics for item {} characteristics {}", taggedItem.getName(),
365 characteristicItems);
366 return Collections.unmodifiableMap(characteristicItems);
370 * return true is characteristic is a mandatory characteristic for the accessory.
372 * @param accessory accessory
373 * @param characteristic characteristic
374 * @return true if characteristic is mandatory, false if not mandatory
376 private static boolean isMandatoryCharacteristic(HomekitAccessoryType accessory,
377 HomekitCharacteristicType characteristic) {
378 return MANDATORY_CHARACTERISTICS.containsKey(accessory)
379 && Arrays.asList(MANDATORY_CHARACTERISTICS.get(accessory)).contains(characteristic);
383 * check whether accessory is root accessory, i.e. without characteristic tag.
385 * @param accessory accessory
386 * @return true if accessory has not characteristic.
388 private static boolean isRootAccessory(Entry<HomekitAccessoryType, HomekitCharacteristicType> accessory) {
389 return ((accessory.getValue() == null) || (accessory.getValue() == EMPTY));