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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.homematic.internal.type;
  14
  15 import static org.openhab.binding.homematic.internal.HomematicBindingConstants.*;
  16 import static org.openhab.binding.homematic.internal.misc.HomematicConstants.*;
  17
  18 import java.io.BufferedReader;
  19 import java.io.IOException;
  20 import java.io.InputStream;
  21 import java.io.InputStreamReader;
  22 import java.math.BigDecimal;
  23 import java.util.ArrayList;
  24 import java.util.Arrays;
  25 import java.util.HashMap;
  26 import java.util.HashSet;
  27 import java.util.List;
  28 import java.util.Locale;
  29 import java.util.Map;
  30 import java.util.ResourceBundle;
  31 import java.util.Set;
  32
  33 import org.openhab.binding.homematic.internal.misc.MiscUtils;
  34 import org.openhab.binding.homematic.internal.model.HmDatapoint;
  35 import org.openhab.binding.homematic.internal.model.HmDevice;
  36 import org.openhab.core.config.core.ConfigDescriptionParameter.Type;
  37 import org.osgi.framework.Bundle;
  38 import org.osgi.framework.FrameworkUtil;
  39 import org.slf4j.Logger;
  40 import org.slf4j.LoggerFactory;
  41
  42 /**
  43  * Helper methods for generating the openHAB metadata.
  44  *
  45  * @author Gerhard Riegler - Initial contribution
  46  * @author Michael Reitler - QuantityType support
  47  */
  48
  49 public class MetadataUtils {
  50     private static final Logger logger = LoggerFactory.getLogger(MetadataUtils.class);
  51     private static ResourceBundle descriptionsBundle;
  52     private static Map<String, String> descriptions = new HashMap<>();
  53     private static Map<String, Set<String>> standardDatapoints = new HashMap<>();
  54
  55     protected static void initialize() {
  56         // loads all Homematic device names
  57         loadBundle("homematic/generated-descriptions");
  58         loadBundle("homematic/extra-descriptions");
  59         loadStandardDatapoints();
  60     }
  61
  62     private static void loadBundle(String filename) {
  63         descriptionsBundle = ResourceBundle.getBundle(filename, Locale.getDefault());
  64         for (String key : descriptionsBundle.keySet()) {
  65             descriptions.put(key.toUpperCase(), descriptionsBundle.getString(key));
  66         }
  67         ResourceBundle.clearCache();
  68         descriptionsBundle = null;
  69     }
  70
  71     /**
  72      * Loads the standard datapoints for channel metadata generation.
  73      */
  74     private static void loadStandardDatapoints() {
  75         Bundle bundle = FrameworkUtil.getBundle(MetadataUtils.class);
  76         try (InputStream stream = bundle.getResource("homematic/standard-datapoints.properties").openStream();
  77                 BufferedReader reader = new BufferedReader(new InputStreamReader(stream))) {
  78             String line;
  79             while ((line = reader.readLine()) != null) {
  80                 if (!line.trim().isEmpty() && !line.startsWith("#")) {
  81                     String[] parts = line.split("\\|");
  82                     String channelType = null;
  83                     String datapointName = null;
  84                     if (parts.length > 0) {
  85                         channelType = parts[0].trim();
  86                         if (parts.length > 1) {
  87                             datapointName = parts[1].trim();
  88                         }
  89                     }
  90
  91                     Set<String> channelDatapoints = standardDatapoints.get(channelType);
  92                     if (channelDatapoints == null) {
  93                         channelDatapoints = new HashSet<>();
  94                         standardDatapoints.put(channelType, channelDatapoints);
  95                     }
  96
  97                     channelDatapoints.add(datapointName);
  98                 }
  99             }
 100         } catch (IllegalStateException | IOException e) {
 101             logger.warn("Can't load standard-datapoints.properties file!", e);
 102         }
 103     }
 104
 105     public interface OptionsBuilder<T> {
 106         public T createOption(String value, String description);
 107     }
 108
 109     /**
 110      * Creates channel and config description metadata options for the given Datapoint.
 111      */
 112     public static <T> List<T> generateOptions(HmDatapoint dp, OptionsBuilder<T> optionsBuilder) {
 113         List<T> options = null;
 114         if (dp.getOptions() == null) {
 115             logger.warn("No options for ENUM datapoint {}", dp);
 116         } else {
 117             options = new ArrayList<>();
 118             for (int i = 0; i < dp.getOptions().length; i++) {
 119                 String description = null;
 120                 if (!dp.isVariable() && !dp.isScript()) {
 121                     description = getDescription(dp.getChannel().getType(), dp.getName(), dp.getOptions()[i]);
 122                 }
 123                 if (description == null) {
 124                     description = dp.getOptions()[i];
 125                 }
 126                 options.add(optionsBuilder.createOption(dp.getOptions()[i], description));
 127             }
 128         }
 129         return options;
 130     }
 131
 132     /**
 133      * Returns the ConfigDescriptionParameter type for the given Datapoint.
 134      */
 135     public static Type getConfigDescriptionParameterType(HmDatapoint dp) {
 136         if (dp.isBooleanType()) {
 137             return Type.BOOLEAN;
 138         } else if (dp.isIntegerType()) {
 139             return Type.INTEGER;
 140         } else if (dp.isFloatType()) {
 141             return Type.DECIMAL;
 142         } else {
 143             return Type.TEXT;
 144         }
 145     }
 146
 147     /**
 148      * Returns the unit metadata string for the given Datapoint.
 149      */
 150     public static String getUnit(HmDatapoint dp) {
 151         if (dp.getUnit() != null) {
 152             return dp.getUnit().replace("100%", "%").replace("%", "%%");
 153         }
 154         return null;
 155     }
 156
 157     /**
 158      * Returns the pattern metadata string for the given Datapoint.
 159      */
 160     public static String getPattern(HmDatapoint dp) {
 161         if (dp.isFloatType()) {
 162             return "%.2f";
 163         } else if (dp.isNumberType()) {
 164             return "%d";
 165         } else {
 166             return null;
 167         }
 168     }
 169
 170     /**
 171      * Returns the state pattern metadata string with unit for the given Datapoint.
 172      */
 173     public static String getStatePattern(HmDatapoint dp) {
 174         String unit = getUnit(dp);
 175         if ("%%".equals(unit)) {
 176             return "%d %%";
 177         }
 178         if (unit != null && unit != "") {
 179             String pattern = getPattern(dp);
 180             if (pattern != null) {
 181                 return String.format("%s %s", pattern, "%unit%");
 182             }
 183         }
 184         return null;
 185     }
 186
 187     /**
 188      * Returns the label string for the given Datapoint.
 189      */
 190     public static String getLabel(HmDatapoint dp) {
 191         return MiscUtils.capitalize(dp.getName().replace("_", " "));
 192     }
 193
 194     /**
 195      * Returns the parameter name for the specified Datapoint.
 196      */
 197     public static String getParameterName(HmDatapoint dp) {
 198         return String.format("HMP_%d_%s", dp.getChannel().getNumber(), dp.getName());
 199     }
 200
 201     /**
 202      * Returns the description for the given keys.
 203      */
 204     public static String getDescription(String... keys) {
 205         StringBuilder sb = new StringBuilder();
 206         for (int startIdx = 0; startIdx < keys.length; startIdx++) {
 207             String key = String.join("|", Arrays.copyOfRange(keys, startIdx, keys.length));
 208             if (key.endsWith("|")) {
 209                 key = key.substring(0, key.length() - 1);
 210             }
 211             String description = descriptions.get(key.toUpperCase());
 212             if (description != null) {
 213                 return description;
 214             }
 215             sb.append(key).append(", ");
 216         }
 217         if (logger.isTraceEnabled()) {
 218             logger.trace("Description not found for: {}", sb.toString().substring(0, sb.length() - 2));
 219         }
 220         return null;
 221     }
 222
 223     /**
 224      * Returns the device name for the given device type.
 225      */
 226     public static String getDeviceName(HmDevice device) {
 227         if (device.isGatewayExtras()) {
 228             return getDescription(HmDevice.TYPE_GATEWAY_EXTRAS);
 229         }
 230
 231         String deviceDescription = null;
 232         boolean isTeam = device.getType().endsWith("-Team");
 233         String type = isTeam ? device.getType().replace("-Team", "") : device.getType();
 234         deviceDescription = getDescription(type);
 235         if (deviceDescription != null && isTeam) {
 236             deviceDescription += " Team";
 237         }
 238
 239         return deviceDescription == null ? "No Description" : deviceDescription;
 240     }
 241
 242     /**
 243      * Returns the description for the given datapoint.
 244      */
 245     public static String getDatapointDescription(HmDatapoint dp) {
 246         if (dp.isVariable() || dp.isScript()) {
 247             return null;
 248         }
 249         return getDescription(dp.getChannel().getType(), dp.getName());
 250     }
 251
 252     /**
 253      * Returns true, if the given datapoint is a standard datapoint.
 254      */
 255     public static boolean isStandard(HmDatapoint dp) {
 256         Set<String> channelDatapoints = standardDatapoints.get(dp.getChannel().getType());
 257         if (channelDatapoints == null) {
 258             return true;
 259         }
 260
 261         return channelDatapoints.contains(dp.getName());
 262     }
 263
 264     /**
 265      * Helper method for creating a BigDecimal.
 266      */
 267     public static BigDecimal createBigDecimal(Number number) {
 268         if (number == null) {
 269             return null;
 270         }
 271         try {
 272             return new BigDecimal(number.toString());
 273         } catch (Exception ex) {
 274             logger.warn("Can't create BigDecimal for number: {}", number.toString());
 275             return null;
 276         }
 277     }
 278
 279     /**
 280      * Determines the itemType for the given Datapoint.
 281      */
 282     public static String getItemType(HmDatapoint dp) {
 283         String dpName = dp.getName();
 284         String channelType = dp.getChannel().getType();
 285         if (channelType == null) {
 286             channelType = "";
 287         }
 288
 289         if (dp.isBooleanType()) {
 290             if (((dpName.equals(DATAPOINT_NAME_STATE) || dpName.equals(VIRTUAL_DATAPOINT_NAME_STATE_CONTACT))
 291                     && (channelType.equals(CHANNEL_TYPE_SHUTTER_CONTACT)
 292                             || channelType.contentEquals(CHANNEL_TYPE_TILT_SENSOR)))
 293                     || (dpName.equals(DATAPOINT_NAME_SENSOR) && channelType.equals(CHANNEL_TYPE_SENSOR))) {
 294                 return ITEM_TYPE_CONTACT;
 295             } else {
 296                 return ITEM_TYPE_SWITCH;
 297             }
 298         } else if (dp.isNumberType()) {
 299             if (dpName.startsWith(DATAPOINT_NAME_LEVEL) && isRollerShutter(dp)) {
 300                 return ITEM_TYPE_ROLLERSHUTTER;
 301             } else if (dpName.startsWith(DATAPOINT_NAME_LEVEL) && !channelType.equals(CHANNEL_TYPE_WINMATIC)
 302                     && !channelType.equals(CHANNEL_TYPE_AKKU)) {
 303                 return ITEM_TYPE_DIMMER;
 304             } else {
 305                 // determine QuantityType
 306                 String unit = dp.getUnit() != null ? dp.getUnit() : "";
 307                 switch (unit) {
 308                     case "Â°C":
 309                     case "°C":
 310                         return ITEM_TYPE_NUMBER + ":Temperature";
 311                     case "V":
 312                         return ITEM_TYPE_NUMBER + ":ElectricPotential";
 313                     case "%":
 314                         return ITEM_TYPE_NUMBER + ":Dimensionless";
 315                     case "mHz":
 316                     case "Hz":
 317                         return ITEM_TYPE_NUMBER + ":Frequency";
 318                     case "hPa":
 319                         return ITEM_TYPE_NUMBER + ":Pressure";
 320                     case "Lux":
 321                         return ITEM_TYPE_NUMBER + ":Illuminance";
 322                     case "degree":
 323                         return ITEM_TYPE_NUMBER + ":Angle";
 324                     case "km/h":
 325                         return ITEM_TYPE_NUMBER + ":Speed";
 326                     case "mm":
 327                         return ITEM_TYPE_NUMBER + ":Length";
 328                     case "W":
 329                         return ITEM_TYPE_NUMBER + ":Power";
 330                     case "Wh":
 331                         return ITEM_TYPE_NUMBER + ":Energy";
 332                     case "m3":
 333                         return ITEM_TYPE_NUMBER + ":Volume";
 334                     case "":
 335                         if (dpName.startsWith(DATAPOINT_NAME_OPERATING_VOLTAGE))
 336                             return ITEM_TYPE_NUMBER + ":ElectricPotential";
 337                     case "s":
 338                     case "min":
 339                     case "minutes":
 340                     case "day":
 341                     case "month":
 342                     case "year":
 343                     case "100%":
 344                     default:
 345                         return ITEM_TYPE_NUMBER;
 346                 }
 347             }
 348         } else if (dp.isDateTimeType()) {
 349             return ITEM_TYPE_DATETIME;
 350         } else {
 351             return ITEM_TYPE_STRING;
 352         }
 353     }
 354
 355     /**
 356      * Returns true, if the device of the datapoint is a rollershutter.
 357      */
 358     public static boolean isRollerShutter(HmDatapoint dp) {
 359         String channelType = dp.getChannel().getType();
 360         return channelType.equals(CHANNEL_TYPE_BLIND) || channelType.equals(CHANNEL_TYPE_JALOUSIE)
 361                 || channelType.equals(CHANNEL_TYPE_BLIND_TRANSMITTER)
 362                 || channelType.equals(CHANNEL_TYPE_SHUTTER_TRANSMITTER)
 363                 || channelType.equals(CHANNEL_TYPE_SHUTTER_VIRTUAL_RECEIVER)
 364                 || channelType.contentEquals(CHANNEL_TYPE_BLIND_VIRTUAL_RECEIVER);
 365     }
 366
 367     /**
 368      * Determines the category for the given Datapoint.
 369      */
 370     public static String getCategory(HmDatapoint dp, String itemType) {
 371         String dpName = dp.getName();
 372         String channelType = dp.getChannel().getType();
 373         if (channelType == null) {
 374             channelType = "";
 375         }
 376
 377         if (dpName.equals(DATAPOINT_NAME_BATTERY_TYPE) || dpName.equals(DATAPOINT_NAME_LOWBAT)
 378                 || dpName.equals(DATAPOINT_NAME_LOWBAT_IP)) {
 379             return CATEGORY_BATTERY;
 380         } else if (dpName.equals(DATAPOINT_NAME_STATE) && channelType.equals(CHANNEL_TYPE_ALARMACTUATOR)) {
 381             return CATEGORY_ALARM;
 382         } else if (dpName.equals(DATAPOINT_NAME_HUMIDITY)) {
 383             return CATEGORY_HUMIDITY;
 384         } else if (dpName.contains(DATAPOINT_NAME_TEMPERATURE)) {
 385             return CATEGORY_TEMPERATURE;
 386         } else if (dpName.equals(DATAPOINT_NAME_MOTION)) {
 387             return CATEGORY_MOTION;
 388         } else if (dpName.equals(DATAPOINT_NAME_AIR_PRESSURE)) {
 389             return CATEGORY_PRESSURE;
 390         } else if (dpName.equals(DATAPOINT_NAME_STATE) && channelType.equals(CHANNEL_TYPE_SMOKE_DETECTOR)) {
 391             return CATEGORY_SMOKE;
 392         } else if (dpName.equals(DATAPOINT_NAME_STATE) && channelType.equals(CHANNEL_TYPE_WATERDETECTIONSENSOR)) {
 393             return CATEGORY_WATER;
 394         } else if (dpName.equals(DATAPOINT_NAME_WIND_SPEED)) {
 395             return CATEGORY_WIND;
 396         } else if (dpName.startsWith(DATAPOINT_NAME_RAIN)
 397                 || dpName.equals(DATAPOINT_NAME_STATE) && channelType.equals(CHANNEL_TYPE_RAINDETECTOR)) {
 398             return CATEGORY_RAIN;
 399         } else if (channelType.equals(CHANNEL_TYPE_POWERMETER) && !dpName.equals(DATAPOINT_NAME_BOOT)
 400                 && !dpName.equals(DATAPOINT_NAME_FREQUENCY)) {
 401             return CATEGORY_ENERGY;
 402         } else if (itemType.equals(ITEM_TYPE_ROLLERSHUTTER)) {
 403             return CATEGORY_BLINDS;
 404         } else if (itemType.equals(ITEM_TYPE_CONTACT)) {
 405             return CATEGORY_CONTACT;
 406         } else if (itemType.equals(ITEM_TYPE_DIMMER)) {
 407             return "";
 408         } else if (itemType.equals(ITEM_TYPE_SWITCH)) {
 409             return CATEGORY_SWITCH;
 410         } else {
 411             return null;
 412         }
 413     }
 414 }