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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.binding.smartmeter.internal.sml;
  14
  15 import javax.measure.Quantity;
  16 import javax.measure.Unit;
  17
  18 import org.eclipse.jdt.annotation.NonNullByDefault;
  19 import org.eclipse.jdt.annotation.Nullable;
  20 import org.openhab.core.library.unit.SIUnits;
  21 import org.openhab.core.library.unit.SmartHomeUnits;
  22 import org.openmuc.jsml.EUnit;
  23
  24 /**
  25  * Converts a {@link EUnit} to an {@link Unit}.
  26  *
  27  * @author Matthias Steigenberger - Initial contribution
  28  *
  29  */
  30 @NonNullByDefault
  31 public class SmlUnitConversion {
  32
  33     @SuppressWarnings("unchecked")
  34     public static @Nullable <Q extends Quantity<Q>> Unit<Q> getUnit(EUnit unit) {
  35         Unit<?> javaUnit = null;
  36         switch (unit) {
  37             case AMPERE:
  38                 javaUnit = SmartHomeUnits.AMPERE;
  39                 break;
  40             case AMPERE_HOUR:
  41                 javaUnit = SmartHomeUnits.AMPERE.divide(SmartHomeUnits.HOUR);
  42                 break;
  43             case AMPERE_PER_METRE:
  44                 javaUnit = SmartHomeUnits.AMPERE.multiply(SIUnits.METRE);
  45                 break;
  46             case AMPERE_SQUARED_HOURS:
  47                 javaUnit = SmartHomeUnits.AMPERE.pow(2).multiply(SmartHomeUnits.HOUR);
  48                 break;
  49             case BAR:
  50                 javaUnit = SIUnits.PASCAL.multiply(100000);
  51                 break;
  52             case COULOMB:
  53                 javaUnit = SmartHomeUnits.COULOMB;
  54                 break;
  55
  56             case CUBIC_METRE:
  57             case CUBIC_METRE_CORRECTED:
  58                 javaUnit = SIUnits.CUBIC_METRE;
  59                 break;
  60             case CUBIC_METRE_PER_DAY:
  61             case CUBIC_METRE_PER_DAY_CORRECTED:
  62                 javaUnit = SIUnits.CUBIC_METRE.divide(SmartHomeUnits.DAY);
  63                 break;
  64             case CUBIC_METRE_PER_HOUR:
  65             case CUBIC_METRE_PER_HOUR_CORRECTED:
  66                 javaUnit = SIUnits.CUBIC_METRE.divide(SmartHomeUnits.HOUR);
  67                 break;
  68
  69             case DAY:
  70                 javaUnit = SmartHomeUnits.DAY;
  71                 break;
  72             case DEGREE:
  73                 javaUnit = SmartHomeUnits.DEGREE_ANGLE;
  74                 break;
  75             case DEGREE_CELSIUS:
  76                 javaUnit = SIUnits.CELSIUS;
  77                 break;
  78
  79             case FARAD:
  80                 javaUnit = SmartHomeUnits.FARAD;
  81                 break;
  82             case HENRY:
  83                 javaUnit = SmartHomeUnits.HENRY;
  84                 break;
  85             case HERTZ:
  86                 javaUnit = SmartHomeUnits.HERTZ;
  87                 break;
  88             case HOUR:
  89                 javaUnit = SmartHomeUnits.HOUR;
  90                 break;
  91             case JOULE:
  92                 javaUnit = SmartHomeUnits.JOULE;
  93                 break;
  94             case JOULE_PER_HOUR:
  95                 javaUnit = SmartHomeUnits.JOULE.divide(SmartHomeUnits.HOUR);
  96                 break;
  97             case KELVIN:
  98                 javaUnit = SmartHomeUnits.KELVIN;
  99                 break;
 100             case KILOGRAM:
 101                 javaUnit = SIUnits.KILOGRAM;
 102             case KILOGRAM_PER_SECOND:
 103                 javaUnit = SIUnits.KILOGRAM.divide(SmartHomeUnits.SECOND);
 104                 break;
 105             case LITRE:
 106                 javaUnit = SmartHomeUnits.LITRE;
 107                 break;
 108             case MASS_DENSITY:
 109                 break;
 110             case METER_CONSTANT_OR_PULSE_VALUE:
 111                 break;
 112             case METRE:
 113                 javaUnit = SIUnits.METRE;
 114                 break;
 115             case METRE_PER_SECOND:
 116                 javaUnit = SmartHomeUnits.METRE_PER_SECOND;
 117                 break;
 118             case MOLE_PERCENT:
 119                 javaUnit = SmartHomeUnits.MOLE;
 120                 break;
 121             case MONTH:
 122                 javaUnit = SmartHomeUnits.YEAR.divide(12);
 123                 break;
 124             case NEWTON:
 125                 javaUnit = SmartHomeUnits.NEWTON;
 126             case NEWTONMETER:
 127                 javaUnit = SmartHomeUnits.NEWTON.multiply(SIUnits.METRE);
 128                 break;
 129             case OHM:
 130                 javaUnit = SmartHomeUnits.OHM;
 131                 break;
 132             case OHM_METRE:
 133                 javaUnit = SmartHomeUnits.OHM.multiply(SIUnits.METRE);
 134                 break;
 135             case PASCAL:
 136                 javaUnit = SIUnits.PASCAL;
 137                 break;
 138             case PASCAL_SECOND:
 139                 javaUnit = SIUnits.PASCAL.multiply(SmartHomeUnits.SECOND);
 140                 break;
 141             case PERCENTAGE:
 142                 javaUnit = SmartHomeUnits.PERCENT;
 143                 break;
 144             case SECOND:
 145                 javaUnit = SmartHomeUnits.SECOND;
 146                 break;
 147             case TESLA:
 148                 javaUnit = SmartHomeUnits.TESLA;
 149                 break;
 150             case VAR:
 151                 javaUnit = SmartHomeUnits.WATT.alternate("Var");
 152                 break;
 153             case VAR_HOUR:
 154                 javaUnit = SmartHomeUnits.WATT.alternate("Var").multiply(SmartHomeUnits.HOUR);
 155                 break;
 156             case VOLT:
 157                 javaUnit = SmartHomeUnits.VOLT;
 158                 break;
 159             case VOLT_AMPERE:
 160                 javaUnit = SmartHomeUnits.VOLT.multiply(SmartHomeUnits.AMPERE);
 161                 break;
 162             case VOLT_AMPERE_HOUR:
 163                 javaUnit = SmartHomeUnits.VOLT.multiply(SmartHomeUnits.AMPERE).multiply(SmartHomeUnits.HOUR);
 164                 break;
 165             case VOLT_PER_METRE:
 166                 javaUnit = SmartHomeUnits.WATT.divide(SIUnits.METRE);
 167                 break;
 168             case VOLT_SQUARED_HOURS:
 169                 javaUnit = SmartHomeUnits.VOLT.pow(2).multiply(SmartHomeUnits.HOUR);
 170                 break;
 171             case WATT:
 172                 javaUnit = SmartHomeUnits.WATT;
 173                 break;
 174             case WATT_HOUR:
 175                 javaUnit = SmartHomeUnits.WATT.multiply(SmartHomeUnits.HOUR);
 176                 break;
 177             case WEBER:
 178                 javaUnit = SmartHomeUnits.WEBER;
 179                 break;
 180             case WEEK:
 181                 javaUnit = SmartHomeUnits.WEEK;
 182                 break;
 183             case YEAR:
 184                 javaUnit = SmartHomeUnits.YEAR;
 185                 break;
 186
 187             // not clearly defined yet:
 188             case VOLT_SQUARED_HOUR_METER_CONSTANT_OR_PULSE_VALUE:
 189                 break;
 190             case REACTIVE_ENERGY_METER_CONSTANT_OR_PULSE_VALUE:
 191                 break;
 192             case ACTIVE_ENERGY_METER_CONSTANT_OR_PULSE_VALUE:
 193                 break;
 194             case AMPERE_SQUARED_HOUR_METER_CONSTANT_OR_PULSE_VALUE:
 195                 break;
 196             case APPARENT_ENERGY_METER_CONSTANT_OR_PULSE_VALUE:
 197                 break;
 198             case ENERGY_PER_VOLUME:
 199                 break;
 200             case CALORIFIC_VALUE:
 201                 break;
 202
 203             // no unit possible:
 204             case MIN:
 205             case OTHER_UNIT:
 206             case RESERVED:
 207             case COUNT:
 208             case CURRENCY:
 209             case EMPTY:
 210                 break;
 211             default:
 212                 break;
 213         }
 214         return (Unit<Q>) javaUnit;
 215     }
 216 }