2 * Copyright (c) 2010-2021 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.MILLI;
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 CELCIUS(SIUnits.CELSIUS, "C"),
40 FAHRENHEIT(ImperialUnits.FAHRENHEIT),
41 KELVIN(Units.KELVIN, "K"),
42 PASCAL(SIUnits.PASCAL),
43 SECOND(Units.SECOND, "seconds"),
44 MINUTE(Units.MINUTE, "minutes"),
45 HOUR(Units.HOUR, "hours"),
46 DAY(Units.DAY, "days"),
48 MILLI_AMPERE(MILLI(Units.AMPERE), "mA"),
51 LITRE(Units.LITRE, "liter"),
53 RADIANS(Units.RADIAN, "radians"),
54 KILOWATT_HOUR(Units.KILOWATT_HOUR, "kwh", "kWH"),
55 SQUARE_METRE(SIUnits.SQUARE_METRE, "square_meter", "squaremeter"),
56 PERCENT(Units.PERCENT, "percentage"),
57 KGM3(Units.KILOGRAM_PER_CUBICMETRE, "kilogram_per_cubicmeter"),
58 UGM3(Units.MICROGRAM_PER_CUBICMETRE, "microgram_per_cubicmeter"),
59 M3(SIUnits.CUBIC_METRE, "cubic_meter", "cubic_metre"),
60 LITER(Units.LITRE, "L", "litre"),
61 PPM(Units.PARTS_PER_MILLION, "parts_per_million");
63 private final Unit<?> unit;
64 private final String[] aliasses;
66 private static Map<String, Unit<?>> stringMap = Arrays.stream(values())
67 .collect(Collectors.toMap(Enum::toString, MiIoQuantiyTypes::getUnit));
69 private static Map<String, Unit<?>> aliasMap() {
70 Map<String, Unit<?>> aliassesMap = new HashMap<>();
71 for (MiIoQuantiyTypes miIoQuantiyType : values()) {
72 for (String alias : miIoQuantiyType.getAliasses()) {
73 aliassesMap.put(alias.toLowerCase(), miIoQuantiyType.getUnit());
79 private MiIoQuantiyTypes(Unit<?> unit, String... aliasses) {
81 this.aliasses = aliasses;
84 public Unit<?> getUnit() {
88 public String[] getAliasses() {
92 public static @Nullable Unit<?> get(String unitName) {
93 Unit<?> unit = stringMap.get(unitName.toUpperCase());
95 unit = aliasMap().get(unitName.toLowerCase());