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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.plugwiseha.internal.api.model;
  14
  15 import java.time.ZonedDateTime;
  16 import java.time.format.DateTimeFormatter;
  17 import java.util.Arrays;
  18 import java.util.List;
  19 import java.util.Optional;
  20
  21 import javax.xml.transform.Transformer;
  22 import javax.xml.transform.TransformerConfigurationException;
  23 import javax.xml.transform.TransformerFactory;
  24 import javax.xml.transform.stream.StreamSource;
  25
  26 import org.eclipse.jdt.annotation.NonNullByDefault;
  27 import org.eclipse.jdt.annotation.Nullable;
  28 import org.eclipse.jetty.client.HttpClient;
  29 import org.openhab.binding.plugwiseha.internal.api.exception.PlugwiseHAException;
  30 import org.openhab.binding.plugwiseha.internal.api.model.dto.ActuatorFunctionality;
  31 import org.openhab.binding.plugwiseha.internal.api.model.dto.ActuatorFunctionalityOffsetTemperature;
  32 import org.openhab.binding.plugwiseha.internal.api.model.dto.ActuatorFunctionalityRelay;
  33 import org.openhab.binding.plugwiseha.internal.api.model.dto.ActuatorFunctionalityThermostat;
  34 import org.openhab.binding.plugwiseha.internal.api.model.dto.Appliance;
  35 import org.openhab.binding.plugwiseha.internal.api.model.dto.Appliances;
  36 import org.openhab.binding.plugwiseha.internal.api.model.dto.DomainObjects;
  37 import org.openhab.binding.plugwiseha.internal.api.model.dto.GatewayInfo;
  38 import org.openhab.binding.plugwiseha.internal.api.model.dto.Location;
  39 import org.openhab.binding.plugwiseha.internal.api.model.dto.Locations;
  40 import org.openhab.binding.plugwiseha.internal.api.xml.PlugwiseHAXStream;
  41 import org.slf4j.Logger;
  42 import org.slf4j.LoggerFactory;
  43
  44 /**
  45  * The {@link PlugwiseHAController} class provides the interface to the Plugwise
  46  * Home Automation API and stores/caches the object model for use by the various
  47  * ThingHandlers of this binding.
  48  *
  49  * @author B. van Wetten - Initial contribution
  50  */
  51 @NonNullByDefault
  52 public class PlugwiseHAController {
  53
  54     // Private member variables/constants
  55
  56     private static final int MAX_AGE_MINUTES_REFRESH = 10;
  57     private static final int MAX_AGE_MINUTES_FULL_REFRESH = 30;
  58     private static final DateTimeFormatter FORMAT = DateTimeFormatter.RFC_1123_DATE_TIME; // default Date format that
  59                                                                                           // will be used in conversion
  60
  61     private final Logger logger = LoggerFactory.getLogger(PlugwiseHAController.class);
  62
  63     private final HttpClient httpClient;
  64     private final PlugwiseHAXStream xStream;
  65     private final Transformer domainObjectsTransformer;
  66
  67     private final String host;
  68     private final int port;
  69     private final String username;
  70     private final String smileId;
  71
  72     private @Nullable ZonedDateTime gatewayUpdateDateTime;
  73     private @Nullable ZonedDateTime gatewayFullUpdateDateTime;
  74     private @Nullable DomainObjects domainObjects;
  75
  76     public PlugwiseHAController(HttpClient httpClient, String host, int port, String username, String smileId)
  77             throws PlugwiseHAException {
  78         this.httpClient = httpClient;
  79         this.host = host;
  80         this.port = port;
  81         this.username = username;
  82         this.smileId = smileId;
  83
  84         this.xStream = new PlugwiseHAXStream();
  85
  86         ClassLoader localClassLoader = getClass().getClassLoader();
  87         if (localClassLoader != null) {
  88             this.domainObjectsTransformer = PlugwiseHAController
  89                     .setXSLT(new StreamSource(localClassLoader.getResourceAsStream("domain_objects.xslt")));
  90         } else {
  91             throw new PlugwiseHAException("PlugwiseHAController.domainObjectsTransformer could not be initialized");
  92         }
  93     }
  94
  95     // Public methods
  96
  97     public void start(Runnable callback) throws PlugwiseHAException {
  98         refresh();
  99         callback.run();
 100     }
 101
 102     public void refresh() throws PlugwiseHAException {
 103         synchronized (this) {
 104             this.getUpdatedDomainObjects();
 105         }
 106     }
 107
 108     // Public API methods
 109
 110     public GatewayInfo getGatewayInfo() throws PlugwiseHAException {
 111         return getGatewayInfo(false);
 112     }
 113
 114     public GatewayInfo getGatewayInfo(Boolean forceRefresh) throws PlugwiseHAException {
 115         GatewayInfo gatewayInfo = null;
 116         DomainObjects localDomainObjects = this.domainObjects;
 117         if (localDomainObjects != null) {
 118             gatewayInfo = localDomainObjects.getGatewayInfo();
 119         }
 120
 121         if (!forceRefresh && gatewayInfo != null) {
 122             this.logger.debug("Found Plugwise Home Automation gateway");
 123             return gatewayInfo;
 124         } else {
 125             PlugwiseHAControllerRequest<DomainObjects> request;
 126
 127             request = newRequest(DomainObjects.class, this.domainObjectsTransformer);
 128
 129             request.setPath("/core/domain_objects");
 130             request.addPathParameter("class", "Gateway");
 131
 132             DomainObjects domainObjects = executeRequest(request);
 133             this.gatewayUpdateDateTime = ZonedDateTime.parse(request.getServerDateTime(), PlugwiseHAController.FORMAT);
 134
 135             return mergeDomainObjects(domainObjects).getGatewayInfo();
 136         }
 137     }
 138
 139     public Appliances getAppliances(Boolean forceRefresh) throws PlugwiseHAException {
 140         Appliances appliances = null;
 141         DomainObjects localDomainObjects = this.domainObjects;
 142         if (localDomainObjects != null) {
 143             appliances = localDomainObjects.getAppliances();
 144         }
 145
 146         if (!forceRefresh && appliances != null) {
 147             return appliances;
 148         } else {
 149             PlugwiseHAControllerRequest<DomainObjects> request;
 150
 151             request = newRequest(DomainObjects.class, this.domainObjectsTransformer);
 152
 153             request.setPath("/core/domain_objects");
 154             request.addPathParameter("class", "Appliance");
 155
 156             DomainObjects domainObjects = executeRequest(request);
 157             this.gatewayUpdateDateTime = ZonedDateTime.parse(request.getServerDateTime(), PlugwiseHAController.FORMAT);
 158             int size = 0;
 159             if (!(domainObjects.getAppliances() == null)) {
 160                 size = domainObjects.getAppliances().size();
 161             }
 162             this.logger.debug("Found {} Plugwise Home Automation appliance(s)", size);
 163
 164             return mergeDomainObjects(domainObjects).getAppliances();
 165         }
 166     }
 167
 168     public @Nullable Appliance getAppliance(String id, Boolean forceRefresh) throws PlugwiseHAException {
 169         Appliances appliances = this.getAppliances(forceRefresh);
 170         if (!appliances.containsKey(id)) {
 171             this.logger.debug("Plugwise Home Automation Appliance with id {} is not known", id);
 172             return null;
 173         } else {
 174             return appliances.get(id);
 175         }
 176     }
 177
 178     public Locations getLocations(Boolean forceRefresh) throws PlugwiseHAException {
 179         Locations locations = null;
 180         DomainObjects localDomainObjects = this.domainObjects;
 181         if (localDomainObjects != null) {
 182             locations = localDomainObjects.getLocations();
 183         }
 184
 185         if (!forceRefresh && locations != null) {
 186             return locations;
 187         } else {
 188             PlugwiseHAControllerRequest<DomainObjects> request;
 189
 190             request = newRequest(DomainObjects.class, this.domainObjectsTransformer);
 191
 192             request.setPath("/core/domain_objects");
 193             request.addPathParameter("class", "Location");
 194
 195             DomainObjects domainObjects = executeRequest(request);
 196             this.gatewayUpdateDateTime = ZonedDateTime.parse(request.getServerDateTime(), PlugwiseHAController.FORMAT);
 197             int size = 0;
 198             if (!(domainObjects.getLocations() == null)) {
 199                 size = domainObjects.getLocations().size();
 200             }
 201             this.logger.debug("Found {} Plugwise Home Automation Zone(s)", size);
 202             return mergeDomainObjects(domainObjects).getLocations();
 203         }
 204     }
 205
 206     public @Nullable Location getLocation(String id, Boolean forceRefresh) throws PlugwiseHAException {
 207         Locations locations = this.getLocations(forceRefresh);
 208
 209         if (!locations.containsKey(id)) {
 210             this.logger.debug("Plugwise Home Automation Zone with {} is not known", id);
 211             return null;
 212         } else {
 213             return locations.get(id);
 214         }
 215     }
 216
 217     public @Nullable DomainObjects getDomainObjects() throws PlugwiseHAException {
 218         PlugwiseHAControllerRequest<DomainObjects> request;
 219
 220         request = newRequest(DomainObjects.class, this.domainObjectsTransformer);
 221
 222         request.setPath("/core/domain_objects");
 223         request.addPathParameter("@locale", "en-US");
 224
 225         DomainObjects domainObjects = executeRequest(request);
 226         this.gatewayUpdateDateTime = ZonedDateTime.parse(request.getServerDateTime(), PlugwiseHAController.FORMAT);
 227         this.gatewayFullUpdateDateTime = this.gatewayUpdateDateTime;
 228
 229         return mergeDomainObjects(domainObjects);
 230     }
 231
 232     public @Nullable DomainObjects getUpdatedDomainObjects() throws PlugwiseHAException {
 233         ZonedDateTime localGatewayUpdateDateTime = this.gatewayUpdateDateTime;
 234         ZonedDateTime localGatewayFullUpdateDateTime = this.gatewayFullUpdateDateTime;
 235         if (localGatewayUpdateDateTime == null
 236                 || localGatewayUpdateDateTime.isBefore(ZonedDateTime.now().minusMinutes(MAX_AGE_MINUTES_REFRESH))) {
 237             return getDomainObjects();
 238         } else if (localGatewayFullUpdateDateTime == null || localGatewayFullUpdateDateTime
 239                 .isBefore(ZonedDateTime.now().minusMinutes(MAX_AGE_MINUTES_FULL_REFRESH))) {
 240             return getDomainObjects();
 241         } else {
 242             return getUpdatedDomainObjects(localGatewayUpdateDateTime);
 243         }
 244     }
 245
 246     public @Nullable DomainObjects getUpdatedDomainObjects(ZonedDateTime since) throws PlugwiseHAException {
 247         return getUpdatedDomainObjects(since.toEpochSecond());
 248     }
 249
 250     public @Nullable DomainObjects getUpdatedDomainObjects(Long since) throws PlugwiseHAException {
 251         PlugwiseHAControllerRequest<DomainObjects> request;
 252
 253         request = newRequest(DomainObjects.class, this.domainObjectsTransformer);
 254
 255         request.setPath("/core/domain_objects");
 256         request.addPathFilter("modified_date", "ge", since);
 257         request.addPathFilter("deleted_date", "ge", "0");
 258         request.addPathParameter("@memberModifiedDate", since);
 259         request.addPathParameter("@locale", "en-US");
 260
 261         DomainObjects domainObjects = executeRequest(request);
 262         this.gatewayUpdateDateTime = ZonedDateTime.parse(request.getServerDateTime(), PlugwiseHAController.FORMAT);
 263
 264         return mergeDomainObjects(domainObjects);
 265     }
 266
 267     public void setLocationThermostat(Location location, Double temperature) throws PlugwiseHAException {
 268         PlugwiseHAControllerRequest<Void> request = newRequest(Void.class);
 269         Optional<ActuatorFunctionality> thermostat = location.getActuatorFunctionalities().getFunctionalityThermostat();
 270
 271         if (thermostat.isPresent()) {
 272             request.setPath("/core/locations");
 273
 274             request.addPathParameter("id", String.format("%s/thermostat", location.getId()));
 275             request.addPathParameter("id", String.format("%s", thermostat.get().getId()));
 276             request.setBodyParameter(new ActuatorFunctionalityThermostat(temperature));
 277
 278             executeRequest(request);
 279         }
 280     }
 281
 282     public void setThermostat(Appliance appliance, Double temperature) throws PlugwiseHAException {
 283         PlugwiseHAControllerRequest<Void> request = newRequest(Void.class);
 284         Optional<ActuatorFunctionality> thermostat = appliance.getActuatorFunctionalities()
 285                 .getFunctionalityThermostat();
 286
 287         if (thermostat.isPresent()) {
 288             request.setPath("/core/appliances");
 289
 290             request.addPathParameter("id", String.format("%s/thermostat", appliance.getId()));
 291             request.addPathParameter("id", String.format("%s", thermostat.get().getId()));
 292             request.setBodyParameter(new ActuatorFunctionalityThermostat(temperature));
 293
 294             executeRequest(request);
 295         }
 296     }
 297
 298     public void setOffsetTemperature(Appliance appliance, Double temperature) throws PlugwiseHAException {
 299         PlugwiseHAControllerRequest<Void> request = newRequest(Void.class);
 300         Optional<ActuatorFunctionality> offsetTemperatureFunctionality = appliance.getActuatorFunctionalities()
 301                 .getFunctionalityOffsetTemperature();
 302
 303         if (offsetTemperatureFunctionality.isPresent()) {
 304             request.setPath("/core/appliances");
 305
 306             request.addPathParameter("id", String.format("%s/offset", appliance.getId()));
 307             request.addPathParameter("id", String.format("%s", offsetTemperatureFunctionality.get().getId()));
 308             request.setBodyParameter(new ActuatorFunctionalityOffsetTemperature(temperature));
 309
 310             executeRequest(request);
 311         }
 312     }
 313
 314     public void switchRelay(Appliance appliance, String state) throws PlugwiseHAException {
 315         List<String> allowStates = Arrays.asList("on", "off");
 316         if (allowStates.contains(state.toLowerCase())) {
 317             if (state.toLowerCase().equals("on")) {
 318                 switchRelayOn(appliance);
 319             } else {
 320                 switchRelayOff(appliance);
 321             }
 322         }
 323     }
 324
 325     public void setPreHeating(Location location, Boolean state) throws PlugwiseHAException {
 326         PlugwiseHAControllerRequest<Void> request = newRequest(Void.class);
 327         Optional<ActuatorFunctionality> thermostat = location.getActuatorFunctionalities().getFunctionalityThermostat();
 328
 329         request.setPath("/core/locations");
 330         request.addPathParameter("id", String.format("%s/thermostat", location.getId()));
 331         request.addPathParameter("id", String.format("%s", thermostat.get().getId()));
 332         request.setBodyParameter(new ActuatorFunctionalityThermostat(state));
 333
 334         executeRequest(request);
 335     }
 336
 337     public void switchRelayOn(Appliance appliance) throws PlugwiseHAException {
 338         PlugwiseHAControllerRequest<Void> request = newRequest(Void.class);
 339
 340         request.setPath("/core/appliances");
 341         request.addPathParameter("id", String.format("%s/relay", appliance.getId()));
 342         request.setBodyParameter(new ActuatorFunctionalityRelay("on"));
 343
 344         executeRequest(request);
 345     }
 346
 347     public void switchRelayOff(Appliance appliance) throws PlugwiseHAException {
 348         PlugwiseHAControllerRequest<Void> request = newRequest(Void.class);
 349
 350         request.setPath("/core/appliances");
 351         request.addPathParameter("id", String.format("%s/relay", appliance.getId()));
 352         request.setBodyParameter(new ActuatorFunctionalityRelay("off"));
 353
 354         executeRequest(request);
 355     }
 356
 357     public void switchRelayLock(Appliance appliance, String state) throws PlugwiseHAException {
 358         List<String> allowStates = Arrays.asList("on", "off");
 359         if (allowStates.contains(state.toLowerCase())) {
 360             if (state.toLowerCase().equals("on")) {
 361                 switchRelayLockOn(appliance);
 362             } else {
 363                 switchRelayLockOff(appliance);
 364             }
 365         }
 366     }
 367
 368     public void switchRelayLockOff(Appliance appliance) throws PlugwiseHAException {
 369         PlugwiseHAControllerRequest<Void> request = newRequest(Void.class);
 370
 371         request.setPath("/core/appliances");
 372         request.addPathParameter("id", String.format("%s/relay", appliance.getId()));
 373         request.setBodyParameter(new ActuatorFunctionalityRelay(null, false));
 374
 375         executeRequest(request);
 376     }
 377
 378     public void switchRelayLockOn(Appliance appliance) throws PlugwiseHAException {
 379         PlugwiseHAControllerRequest<Void> request = newRequest(Void.class);
 380
 381         request.setPath("/core/appliances");
 382         request.addPathParameter("id", String.format("%s/relay", appliance.getId()));
 383         request.setBodyParameter(new ActuatorFunctionalityRelay(null, true));
 384
 385         executeRequest(request);
 386     }
 387
 388     public ZonedDateTime ping() throws PlugwiseHAException {
 389         PlugwiseHAControllerRequest<Void> request;
 390
 391         request = newRequest(Void.class, null);
 392
 393         request.setPath("/cache/gateways");
 394         request.addPathParameter("ping");
 395
 396         executeRequest(request);
 397
 398         return ZonedDateTime.parse(request.getServerDateTime(), PlugwiseHAController.FORMAT);
 399     }
 400
 401     // Protected and private methods
 402
 403     private static Transformer setXSLT(StreamSource xsltSource) throws PlugwiseHAException {
 404         try {
 405             return TransformerFactory.newInstance().newTransformer(xsltSource);
 406         } catch (TransformerConfigurationException e) {
 407             throw new PlugwiseHAException("Could not create XML transformer", e);
 408         }
 409     }
 410
 411     private <T> PlugwiseHAControllerRequest<T> newRequest(Class<T> responseType, @Nullable Transformer transformer) {
 412         return new PlugwiseHAControllerRequest<T>(responseType, this.xStream, transformer, this.httpClient, this.host,
 413                 this.port, this.username, this.smileId);
 414     }
 415
 416     private <T> PlugwiseHAControllerRequest<T> newRequest(Class<T> responseType) {
 417         return new PlugwiseHAControllerRequest<T>(responseType, this.xStream, null, this.httpClient, this.host,
 418                 this.port, this.username, this.smileId);
 419     }
 420
 421     @SuppressWarnings("null")
 422     private <T> T executeRequest(PlugwiseHAControllerRequest<T> request) throws PlugwiseHAException {
 423         T result;
 424         result = request.execute();
 425         return result;
 426     }
 427
 428     private DomainObjects mergeDomainObjects(@Nullable DomainObjects updatedDomainObjects) {
 429         DomainObjects localDomainObjects = this.domainObjects;
 430         if (localDomainObjects == null && updatedDomainObjects != null) {
 431             return updatedDomainObjects;
 432         } else if (localDomainObjects != null && updatedDomainObjects == null) {
 433             return localDomainObjects;
 434         } else if (localDomainObjects != null && updatedDomainObjects != null) {
 435             Appliances appliances = updatedDomainObjects.getAppliances();
 436             Locations locations = updatedDomainObjects.getLocations();
 437
 438             if (appliances != null) {
 439                 localDomainObjects.mergeAppliances(appliances);
 440             }
 441
 442             if (locations != null) {
 443                 localDomainObjects.mergeLocations(locations);
 444             }
 445             return localDomainObjects;
 446         } else {
 447             return new DomainObjects();
 448         }
 449     }
 450 }