2 * Copyright (c) 2010-2023 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.binding.miio.internal;
15 import static org.openhab.core.library.unit.MetricPrefix.*;
17 import java.util.Arrays;
18 import java.util.HashMap;
20 import java.util.stream.Collectors;
22 import javax.measure.Unit;
24 import org.eclipse.jdt.annotation.NonNullByDefault;
25 import org.eclipse.jdt.annotation.Nullable;
26 import org.openhab.core.library.unit.ImperialUnits;
27 import org.openhab.core.library.unit.SIUnits;
28 import org.openhab.core.library.unit.Units;
31 * Enum of the units used in the miio protocol
32 * Used to find the right {@link javax.measure.Unit} given the string of the unit
34 * @author Marcel Verpaalen - Initial contribution
37 public enum MiIoQuantiyTypes {
39 CELSIUS(SIUnits.CELSIUS, "C", "celcius"),
40 FAHRENHEIT(ImperialUnits.FAHRENHEIT),
41 KELVIN(Units.KELVIN, "K"),
42 PASCAL(SIUnits.PASCAL, "pa"),
43 HPA(HECTO(SIUnits.PASCAL)),
44 SECOND(Units.SECOND, "seconds"),
45 MINUTE(Units.MINUTE, "minutes"),
46 HOUR(Units.HOUR, "hours"),
47 DAY(Units.DAY, "days"),
49 MILLI_AMPERE(MILLI(Units.AMPERE), "mA"),
51 MILLI_VOLT(MILLI(Units.VOLT), "mV"),
52 WATT(Units.WATT, "W", "w"),
53 LITRE(Units.LITRE, "liter"),
55 RADIANS(Units.RADIAN, "radians"),
56 DEGREE(Units.DEGREE_ANGLE, "degree"),
57 KILOWATT_HOUR(Units.KILOWATT_HOUR, "kwh", "kWH"),
58 SQUARE_METRE(SIUnits.SQUARE_METRE, "square_meter", "squaremeter"),
59 PERCENT(Units.PERCENT, "percentage"),
60 KGM3(Units.KILOGRAM_PER_CUBICMETRE, "kilogram_per_cubicmeter"),
61 UGM3(Units.MICROGRAM_PER_CUBICMETRE, "microgram_per_cubicmeter", "μg/m3"),
62 M3(SIUnits.CUBIC_METRE, "cubic_meter", "cubic_metre"),
63 LITER(Units.LITRE, "L", "litre"),
64 PPM(Units.PARTS_PER_MILLION, "parts_per_million");
66 private final Unit<?> unit;
67 private final String[] aliasses;
69 private static Map<String, Unit<?>> stringMap = Arrays.stream(values())
70 .collect(Collectors.toMap(Enum::toString, MiIoQuantiyTypes::getUnit));
72 private static Map<String, Unit<?>> aliasMap() {
73 Map<String, Unit<?>> aliassesMap = new HashMap<>();
74 for (MiIoQuantiyTypes miIoQuantiyType : values()) {
75 for (String alias : miIoQuantiyType.getAliasses()) {
76 aliassesMap.put(alias.toLowerCase(), miIoQuantiyType.getUnit());
82 private MiIoQuantiyTypes(Unit<?> unit, String... aliasses) {
84 this.aliasses = aliasses;
87 public Unit<?> getUnit() {
91 public String[] getAliasses() {
95 public static @Nullable Unit<?> get(String unitName) {
96 Unit<?> unit = stringMap.get(unitName.toUpperCase());
98 unit = aliasMap().get(unitName.toLowerCase());