2 * Copyright (c) 2010-2020 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.neeo.internal.servletservices;
15 import java.beans.PropertyChangeEvent;
16 import java.beans.PropertyChangeListener;
17 import java.io.IOException;
18 import java.util.Map.Entry;
19 import java.util.Objects;
20 import java.util.concurrent.ScheduledExecutorService;
22 import javax.servlet.http.HttpServletRequest;
23 import javax.servlet.http.HttpServletResponse;
25 import org.apache.commons.lang.StringUtils;
26 import org.eclipse.jdt.annotation.NonNull;
27 import org.eclipse.jdt.annotation.NonNullByDefault;
28 import org.eclipse.jdt.annotation.Nullable;
29 import org.openhab.core.common.ThreadPoolManager;
30 import org.openhab.core.events.Event;
31 import org.openhab.core.events.EventFilter;
32 import org.openhab.core.items.Item;
33 import org.openhab.core.items.ItemNotFoundException;
34 import org.openhab.core.items.events.ItemCommandEvent;
35 import org.openhab.core.items.events.ItemEventFactory;
36 import org.openhab.core.items.events.ItemStateChangedEvent;
37 import org.openhab.core.library.types.OnOffType;
38 import org.openhab.core.thing.ChannelUID;
39 import org.openhab.core.thing.ThingUID;
40 import org.openhab.core.thing.events.ChannelTriggeredEvent;
41 import org.openhab.core.thing.events.ThingEventFactory;
42 import org.openhab.core.types.Command;
43 import org.openhab.core.types.State;
44 import org.openhab.io.neeo.internal.NeeoApi;
45 import org.openhab.io.neeo.internal.NeeoConstants;
46 import org.openhab.io.neeo.internal.NeeoDeviceKeys;
47 import org.openhab.io.neeo.internal.NeeoItemValueConverter;
48 import org.openhab.io.neeo.internal.NeeoUtil;
49 import org.openhab.io.neeo.internal.ServiceContext;
50 import org.openhab.io.neeo.internal.models.ButtonInfo;
51 import org.openhab.io.neeo.internal.models.NeeoButtonGroup;
52 import org.openhab.io.neeo.internal.models.NeeoCapabilityType;
53 import org.openhab.io.neeo.internal.models.NeeoDevice;
54 import org.openhab.io.neeo.internal.models.NeeoDeviceChannel;
55 import org.openhab.io.neeo.internal.models.NeeoDeviceChannelDirectory;
56 import org.openhab.io.neeo.internal.models.NeeoDeviceChannelKind;
57 import org.openhab.io.neeo.internal.models.NeeoDirectoryRequest;
58 import org.openhab.io.neeo.internal.models.NeeoDirectoryRequestAction;
59 import org.openhab.io.neeo.internal.models.NeeoDirectoryResult;
60 import org.openhab.io.neeo.internal.models.NeeoItemValue;
61 import org.openhab.io.neeo.internal.models.NeeoNotification;
62 import org.openhab.io.neeo.internal.models.NeeoSensorNotification;
63 import org.openhab.io.neeo.internal.models.NeeoThingUID;
64 import org.openhab.io.neeo.internal.net.HttpRequest;
65 import org.openhab.io.neeo.internal.servletservices.models.PathInfo;
66 import org.openhab.io.neeo.internal.servletservices.models.ReturnStatus;
67 import org.slf4j.Logger;
68 import org.slf4j.LoggerFactory;
70 import com.google.gson.Gson;
73 * The implementation of {@link ServletService} that will handle device callbacks from the Neeo Brain
75 * @author Tim Roberts - Initial Contribution
78 public class NeeoBrainService extends DefaultServletService {
81 private final Logger logger = LoggerFactory.getLogger(NeeoBrainService.class);
83 /** The gson used for communications */
84 private final Gson gson = NeeoUtil.createGson();
86 /** The NEEO API to use */
87 private final NeeoApi api;
89 /** The service context */
90 private final ServiceContext context;
92 /** The HTTP request */
93 private final HttpRequest request = new HttpRequest();
95 /** The scheduler to use to schedule recipe execution */
96 private final ScheduledExecutorService scheduler = ThreadPoolManager
97 .getScheduledPool(NeeoConstants.THREAD_POOL_NAME);
99 /** The {@link NeeoItemValueConverter} used to convert values with */
100 private final NeeoItemValueConverter itemConverter;
102 private final PropertyChangeListener listener = new PropertyChangeListener() {
104 public void propertyChange(@Nullable PropertyChangeEvent evt) {
105 if (evt != null && (Boolean) evt.getNewValue()) {
112 * Constructs the service from the {@link NeeoApi} and {@link ServiceContext}
114 * @param api the non-null api
115 * @param context the non-null context
117 public NeeoBrainService(NeeoApi api, ServiceContext context) {
118 Objects.requireNonNull(api, "api cannot be null");
119 Objects.requireNonNull(context, "context cannot be null");
121 this.context = context;
122 this.itemConverter = new NeeoItemValueConverter(context);
124 this.api.addPropertyChangeListener(NeeoApi.CONNECTED, listener);
125 scheduler.execute(() -> {
131 * Returns true if the path start with 'device' or ends with either 'subscribe' or 'unsubscribe'
133 * @see DefaultServletService#canHandleRoute(String[])
136 public boolean canHandleRoute(String[] paths) {
137 Objects.requireNonNull(paths, "paths cannot be null");
139 if (paths.length == 0) {
143 if (StringUtils.equalsIgnoreCase(paths[0], "device")) {
147 final String lastPath = paths.length >= 2 ? paths[1] : null;
148 return StringUtils.equalsIgnoreCase(lastPath, "subscribe")
149 || StringUtils.equalsIgnoreCase(lastPath, "unsubscribe");
153 public void handlePost(HttpServletRequest req, String[] paths, HttpServletResponse resp) throws IOException {
154 Objects.requireNonNull(req, "req cannot be null");
155 Objects.requireNonNull(paths, "paths cannot be null");
156 Objects.requireNonNull(resp, "resp cannot be null");
157 if (paths.length == 0) {
158 throw new IllegalArgumentException("paths cannot be empty");
161 final boolean hasDeviceStart = StringUtils.equalsIgnoreCase(paths[0], "device");
163 if (hasDeviceStart) {
164 final PathInfo pathInfo = new PathInfo(paths);
166 if (StringUtils.equalsIgnoreCase("directory", pathInfo.getComponentType())) {
167 handleDirectory(req, resp, pathInfo);
169 logger.debug("Unknown/unhandled brain service device route (POST): {}", StringUtils.join(paths, '/'));
173 logger.debug("Unknown/unhandled brain service route (POST): {}", StringUtils.join(paths, '/'));
178 public void handleGet(HttpServletRequest req, String[] paths, HttpServletResponse resp) throws IOException {
179 Objects.requireNonNull(req, "req cannot be null");
180 Objects.requireNonNull(paths, "paths cannot be null");
181 Objects.requireNonNull(resp, "resp cannot be null");
182 if (paths.length == 0) {
183 throw new IllegalArgumentException("paths cannot be empty");
186 // Paths handled specially
187 // 1. See PATHINFO for various /device/* keys (except for the next)
188 // 2. New subscribe path: /device/{thingUID}/subscribe/default/{devicekey}
189 // 3. New unsubscribe path: /device/{thingUID}/unsubscribe/default
190 // 4. Old subscribe path: /{thingUID}/subscribe or unsubscribe/{deviceid}/{devicekey}
191 // 4. Old unsubscribe path: /{thingUID}/subscribe or unsubscribe/{deviceid}
193 final boolean hasDeviceStart = StringUtils.equalsIgnoreCase(paths[0], "device");
194 if (hasDeviceStart && (paths.length >= 3 && !StringUtils.equalsIgnoreCase(paths[2], "subscribe")
195 && !StringUtils.equalsIgnoreCase(paths[2], "unsubscribe"))) {
197 final PathInfo pathInfo = new PathInfo(paths);
199 if (StringUtils.isEmpty(pathInfo.getActionValue())) {
200 handleGetValue(resp, pathInfo);
202 handleSetValue(resp, pathInfo);
204 } catch (IllegalArgumentException e) {
205 logger.debug("Bad path: {} - {}", StringUtils.join(paths), e.getMessage(), e);
208 int idx = hasDeviceStart ? 1 : 0;
210 if (idx + 2 < paths.length) {
211 final String adapterName = paths[idx++];
212 final String action = StringUtils.lowerCase(paths[idx++]);
213 idx++; // deviceId/default - not used
217 if (idx < paths.length) {
218 final String deviceKey = paths[idx++];
219 handleSubscribe(resp, adapterName, deviceKey);
221 logger.debug("No device key set for a subscribe action: {}", StringUtils.join(paths, '/'));
225 handleUnsubscribe(resp, adapterName);
228 logger.debug("Unknown action: {}", action);
232 logger.debug("Unknown/unhandled brain service route (GET): {}", StringUtils.join(paths, '/'));
238 * Handle set value from the path
240 * @param resp the non-null response to write the response to
241 * @param pathInfo the non-null path information
243 private void handleSetValue(HttpServletResponse resp, PathInfo pathInfo) {
244 Objects.requireNonNull(resp, "resp cannot be null");
245 Objects.requireNonNull(pathInfo, "pathInfo cannot be null");
247 logger.debug("handleSetValue {}", pathInfo);
248 final NeeoDevice device = context.getDefinitions().getDevice(pathInfo.getThingUid());
249 if (device != null) {
250 final NeeoDeviceChannel channel = device.getChannel(pathInfo.getItemName(), pathInfo.getSubType(),
251 pathInfo.getChannelNbr());
252 if (channel != null && channel.getKind() == NeeoDeviceChannelKind.TRIGGER) {
253 final ChannelTriggeredEvent event = ThingEventFactory.createTriggerEvent(channel.getValue(),
254 new ChannelUID(device.getUid(), channel.getItemName()));
255 logger.debug("Posting triggered event: {}", event);
256 context.getEventPublisher().post(event);
259 final Item item = context.getItemRegistry().getItem(pathInfo.getItemName());
260 final Command cmd = NeeoItemValueConverter.convert(item, pathInfo);
262 final ItemCommandEvent event = ItemEventFactory.createCommandEvent(item.getName(), cmd);
263 logger.debug("Posting item event: {}", event);
264 context.getEventPublisher().post(event);
266 logger.debug("Cannot set value - no command for path: {}", pathInfo);
268 } catch (ItemNotFoundException e) {
269 logger.debug("Cannot set value - no linked items: {}", pathInfo);
273 logger.debug("Cannot set value - no device definition: {}", pathInfo);
278 * Handle set value from the path
280 * @param resp the non-null response to write the response to
281 * @param pathInfo the non-null path information
282 * @throws IOException Signals that an I/O exception has occurred.
284 private void handleGetValue(HttpServletResponse resp, PathInfo pathInfo) throws IOException {
285 Objects.requireNonNull(resp, "resp cannot be null");
286 Objects.requireNonNull(pathInfo, "pathInfo cannot be null");
288 NeeoItemValue niv = new NeeoItemValue("");
291 final NeeoDevice device = context.getDefinitions().getDevice(pathInfo.getThingUid());
292 if (device != null) {
293 final NeeoDeviceChannel channel = device.getChannel(pathInfo.getItemName(), pathInfo.getSubType(),
294 pathInfo.getChannelNbr());
295 if (channel != null && channel.getKind() == NeeoDeviceChannelKind.ITEM) {
297 final Item item = context.getItemRegistry().getItem(pathInfo.getItemName());
298 niv = itemConverter.convert(channel, item.getState());
299 } catch (ItemNotFoundException e) {
300 logger.debug("Item '{}' not found to get a value ({})", pathInfo.getItemName(), pathInfo);
303 logger.debug("Channel definition for '{}' not found to get a value ({})", pathInfo.getItemName(),
307 logger.debug("Device definition for '{}' not found to get a value ({})", pathInfo.getItemName(),
311 NeeoUtil.write(resp, gson.toJson(niv));
313 logger.debug("handleGetValue {}: {}", pathInfo, niv.getValue());
318 * Handle unsubscribing from a device by removing all device keys for the related {@link ThingUID}
320 * @param resp the non-null response to write to
321 * @param adapterName the non-empty adapter name
322 * @throws IOException Signals that an I/O exception has occurred.
324 private void handleUnsubscribe(HttpServletResponse resp, String adapterName) throws IOException {
325 Objects.requireNonNull(resp, "resp cannot be null");
326 NeeoUtil.requireNotEmpty(adapterName, "adapterName cannot be empty");
328 logger.debug("handleUnsubscribe {}", adapterName);
331 final NeeoThingUID uid = new NeeoThingUID(adapterName);
332 api.getDeviceKeys().remove(uid);
333 NeeoUtil.write(resp, gson.toJson(ReturnStatus.SUCCESS));
334 } catch (IllegalArgumentException e) {
335 logger.debug("AdapterName {} is not a valid thinguid - ignoring", adapterName);
336 NeeoUtil.write(resp, gson.toJson(new ReturnStatus("AdapterName not a valid ThingUID: " + adapterName)));
341 * Handle subscribe to a device by adding the device key to the API for the related {@link ThingUID}
343 * @param resp the non-null response to write to
344 * @param adapterName the non-empty adapter name
345 * @param deviceKey the non-empty device key
346 * @throws IOException Signals that an I/O exception has occurred.
348 private void handleSubscribe(HttpServletResponse resp, String adapterName, String deviceKey) throws IOException {
349 Objects.requireNonNull(resp, "resp cannot be null");
350 NeeoUtil.requireNotEmpty(adapterName, "adapterName cannot be empty");
351 NeeoUtil.requireNotEmpty(deviceKey, "deviceKey cannot be empty");
353 logger.debug("handleSubscribe {}/{}", adapterName, deviceKey);
356 final NeeoThingUID uid = new NeeoThingUID(adapterName);
357 api.getDeviceKeys().put(uid, deviceKey);
358 NeeoUtil.write(resp, gson.toJson(ReturnStatus.SUCCESS));
359 } catch (IllegalArgumentException e) {
360 logger.debug("AdapterName {} is not a valid thinguid - ignoring", adapterName);
361 NeeoUtil.write(resp, gson.toJson(new ReturnStatus("AdapterName not a valid ThingUID: " + adapterName)));
366 * Handle a directory request
368 * @param req the non-null request to use
369 * @param resp the non-null response to write to
370 * @param pathInfo the non-null path information
371 * @throws IOException Signals that an I/O exception has occurred.
373 private void handleDirectory(HttpServletRequest req, HttpServletResponse resp, PathInfo pathInfo)
375 Objects.requireNonNull(req, "req cannot be null");
376 Objects.requireNonNull(resp, "resp cannot be null");
377 Objects.requireNonNull(pathInfo, "pathInfo cannot be null");
379 logger.debug("handleDirectory {}", pathInfo);
381 final NeeoDevice device = context.getDefinitions().getDevice(pathInfo.getThingUid());
382 if (device != null) {
383 final NeeoDeviceChannel channel = device.getChannel(pathInfo.getItemName(), pathInfo.getSubType(),
384 pathInfo.getChannelNbr());
385 if (StringUtils.equalsIgnoreCase("action", pathInfo.getActionValue())) {
386 final NeeoDirectoryRequestAction discoveryAction = gson.fromJson(req.getReader(),
387 NeeoDirectoryRequestAction.class);
390 final Item item = context.getItemRegistry().getItem(pathInfo.getItemName());
391 final Command cmd = NeeoItemValueConverter.convert(item, pathInfo,
392 discoveryAction.getActionIdentifier());
394 final ItemCommandEvent event = ItemEventFactory.createCommandEvent(item.getName(), cmd);
395 logger.debug("Posting item event: {}", event);
396 context.getEventPublisher().post(event);
398 logger.debug("Cannot set value (directory) - no command for path: {}", pathInfo);
400 } catch (ItemNotFoundException e) {
401 logger.debug("Cannot set value(directory) - no linked items: {}", pathInfo);
405 if (channel instanceof NeeoDeviceChannelDirectory) {
406 final NeeoDirectoryRequest discoveryRequest = gson.fromJson(req.getReader(),
407 NeeoDirectoryRequest.class);
408 final NeeoDeviceChannelDirectory directoryChannel = (NeeoDeviceChannelDirectory) channel;
409 NeeoUtil.write(resp, gson.toJson(new NeeoDirectoryResult(discoveryRequest, directoryChannel)));
411 logger.debug("Channel definition for '{}' not found to directory set value ({})",
412 pathInfo.getItemName(), pathInfo);
416 logger.debug("Device definition for '{}' not found to directory set value ({})", pathInfo.getItemName(),
423 * Returns the {@link EventFilter} used by this service. The {@link EventFilter} will simply filter for those items
424 * that have been bound
426 * @return a non-null {@link EventFilter}
430 public EventFilter getEventFilter() {
431 return new EventFilter() {
434 public boolean apply(@Nullable Event event) {
435 Objects.requireNonNull(event, "event cannot be null");
437 final ItemStateChangedEvent ise = (ItemStateChangedEvent) event;
438 final String itemName = ise.getItemName();
440 final NeeoDeviceKeys keys = api.getDeviceKeys();
441 final boolean isBound = context.getDefinitions().isBound(keys, itemName);
442 logger.trace("Apply Event: {} --- {} --- {} = {}", event, itemName, isBound, keys);
449 * Handles the event by notifying the NEEO brain of the new value. If the channel has been linked to the
450 * {@link NeeoButtonGroup#POWERONOFF}, then the related recipe will be powered on/off (in addition to sending the
453 * @see DefaultServletService#handleEvent(Event)
457 public boolean handleEvent(Event event) {
458 Objects.requireNonNull(event, "event cannot be null");
460 final ItemStateChangedEvent ise = (ItemStateChangedEvent) event;
461 final String itemName = ise.getItemName();
463 logger.trace("handleEvent: {}", event);
464 notifyState(itemName, ise.getItemState());
470 * Helper function to send the current state of all bound channels
472 private void resendState() {
473 for (final Entry<NeeoDevice, NeeoDeviceChannel> boundEntry : context.getDefinitions()
474 .getBound(api.getDeviceKeys())) {
476 final NeeoDevice device = boundEntry.getKey();
477 final NeeoDeviceChannel channel = boundEntry.getValue();
480 final State state = context.getItemRegistry().getItem(channel.getItemName()).getState();
482 for (String deviceKey : api.getDeviceKeys().get(device.getUid())) {
483 sendNotification(channel, deviceKey, state);
485 } catch (ItemNotFoundException e) {
486 logger.debug("Item not found {}", channel.getItemName());
492 * Helper function to send some state for an itemName to the brain
494 * @param itemName a non-null, non-empty item name
495 * @param state a non-null state
497 private void notifyState(String itemName, State state) {
498 NeeoUtil.requireNotEmpty(itemName, "itemName cannot be empty");
499 Objects.requireNonNull(state, "state cannot be null");
501 logger.trace("notifyState: {} --- {}", itemName, state);
503 for (final Entry<NeeoDevice, NeeoDeviceChannel> boundEntry : context.getDefinitions()
504 .getBound(api.getDeviceKeys(), itemName)) {
505 final NeeoDevice device = boundEntry.getKey();
506 final NeeoDeviceChannel channel = boundEntry.getValue();
507 final NeeoThingUID uid = new NeeoThingUID(device.getUid());
509 logger.trace("notifyState (device): {} --- {} ", uid, channel);
510 for (String deviceKey : api.getDeviceKeys().get(uid)) {
511 logger.trace("notifyState (key): {} --- {}", uid, deviceKey);
513 if (state instanceof OnOffType) {
514 Boolean recipeState = null;
515 final String label = channel.getLabel();
516 if (StringUtils.equalsIgnoreCase(NeeoButtonGroup.POWERONOFF.getText(), label)) {
517 recipeState = state == OnOffType.ON;
518 } else if (state == OnOffType.ON
519 && StringUtils.equalsIgnoreCase(ButtonInfo.POWERON.getLabel(), label)) {
521 } else if (state == OnOffType.OFF
522 && StringUtils.equalsIgnoreCase(ButtonInfo.POWEROFF.getLabel(), label)) {
526 if (recipeState != null) {
527 logger.trace("notifyState (executeRecipe): {} --- {} --- {}", uid, deviceKey, recipeState);
528 final boolean turnOn = recipeState;
529 scheduler.submit(() -> {
531 api.executeRecipe(deviceKey, turnOn);
532 } catch (IOException e) {
533 logger.debug("Exception occurred while handling executing a recipe: {}", e.getMessage(),
540 sendNotification(channel, deviceKey, state);
546 * Helper method to send a notification
548 * @param channel a non-null channel
549 * @param deviceKey a non-null, non-empty device id
550 * @param state a non-null state
552 private void sendNotification(NeeoDeviceChannel channel, String deviceKey, State state) {
553 Objects.requireNonNull(channel, "channel cannot be null");
554 NeeoUtil.requireNotEmpty(deviceKey, "deviceKey cannot be empty");
555 Objects.requireNonNull(state, "state cannot be null");
557 scheduler.execute(() -> {
558 final String uin = channel.getUniqueItemName();
560 final NeeoItemValue niv = itemConverter.convert(channel, state);
562 // Use sensor notification if we have a >= 0.50 firmware AND it's not a power sensor
563 if (api.getSystemInfo().isFirmwareGreaterOrEqual(NeeoConstants.NEEO_FIRMWARE_0_51_1)
564 && channel.getType() != NeeoCapabilityType.SENSOR_POWER) {
565 final NeeoSensorNotification notify = new NeeoSensorNotification(deviceKey, uin, niv.getValue());
567 api.notify(gson.toJson(notify));
568 } catch (IOException e) {
569 logger.debug("Exception occurred while handling event: {}", e.getMessage(), e);
572 final NeeoNotification notify = new NeeoNotification(deviceKey, uin, niv.getValue());
574 api.notify(gson.toJson(notify));
575 } catch (IOException e) {
576 logger.debug("Exception occurred while handling event: {}", e.getMessage(), e);
583 * Simply closes the {@link #request}
585 * @see DefaultServletService#close()
588 public void close() {
589 this.api.removePropertyChangeListener(listener);