MeasureUnit.java
// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
* Copyright (C) 2004-2016, Google Inc, International Business Machines
* Corporation and others. All Rights Reserved.
*******************************************************************************
*/
package com.ibm.icu.util;
import com.ibm.icu.impl.CollectionSet;
import com.ibm.icu.impl.ICUData;
import com.ibm.icu.impl.ICUResourceBundle;
import com.ibm.icu.impl.UResource;
import com.ibm.icu.impl.units.MeasureUnitImpl;
import com.ibm.icu.impl.units.SingleUnitImpl;
import com.ibm.icu.text.UnicodeSet;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.io.ObjectStreamException;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
* A unit such as length, mass, volume, currency, etc. A unit is coupled with a numeric amount to
* produce a Measure. MeasureUnit objects are immutable. All subclasses must guarantee that.
* (However, subclassing is discouraged.)
*
* @see com.ibm.icu.util.Measure
* @author Alan Liu
* @stable ICU 3.0
*/
public class MeasureUnit implements Serializable {
private static final long serialVersionUID = -1839973855554750484L;
// Cache of MeasureUnits.
// All access to the cache or cacheIsPopulated flag must be synchronized on
// class MeasureUnit,
// i.e. from synchronized static methods. Beware of non-static methods.
private static final Map<String, Map<String, MeasureUnit>> cache = new HashMap<>();
private static boolean cacheIsPopulated = false;
/**
* If type set to null, measureUnitImpl is in use instead of type and subType.
*
* @internal
* @deprecated This API is ICU internal only.
*/
@Deprecated protected final String type;
/**
* If subType set to null, measureUnitImpl is in use instead of type and subType.
*
* @internal
* @deprecated This API is ICU internal only.
*/
@Deprecated protected final String subType;
/**
* Used by new draft APIs in ICU 68.
*
* @internal
*/
private MeasureUnitImpl measureUnitImpl;
/**
* Enumeration for unit complexity. There are three levels:
*
* <ul>
* <li>SINGLE: A single unit, optionally with a power and/or SI or binary prefix. Examples:
* hectare, square-kilometer, kilojoule, per-second, mebibyte.
* <li>COMPOUND: A unit composed of the product of multiple single units. Examples:
* meter-per-second, kilowatt-hour, kilogram-meter-per-square-second.
* <li>MIXED: A unit composed of the sum of multiple single units. Examples: foot-and-inch,
* hour-and-minute-and-second, degree-and-arcminute-and-arcsecond.
* </ul>
*
* The complexity determines which operations are available. For example, you cannot set the
* power or prefix of a compound unit.
*
* @stable ICU 68
*/
public enum Complexity {
/**
* A single unit, like kilojoule.
*
* @stable ICU 68
*/
SINGLE,
/**
* A compound unit, like meter-per-second.
*
* @stable ICU 68
*/
COMPOUND,
/**
* A mixed unit, like hour-and-minute.
*
* @stable ICU 68
*/
MIXED
}
/**
* Enumeration for SI and binary prefixes, e.g. "kilo-", "nano-", "mebi-".
*
* @stable ICU 69
*/
public enum MeasurePrefix {
/**
* SI prefix: quetta, 10^30.
*
* @stable ICU 75
*/
QUETTA(30, "quetta", 10),
/**
* SI prefix: ronna, 10^27.
*
* @stable ICU 75
*/
RONNA(27, "ronna", 10),
/**
* SI prefix: yotta, 10^24.
*
* @stable ICU 69
*/
YOTTA(24, "yotta", 10),
/**
* SI prefix: zetta, 10^21.
*
* @stable ICU 69
*/
ZETTA(21, "zetta", 10),
/**
* SI prefix: exa, 10^18.
*
* @stable ICU 69
*/
EXA(18, "exa", 10),
/**
* SI prefix: peta, 10^15.
*
* @stable ICU 69
*/
PETA(15, "peta", 10),
/**
* SI prefix: tera, 10^12.
*
* @stable ICU 69
*/
TERA(12, "tera", 10),
/**
* SI prefix: giga, 10^9.
*
* @stable ICU 69
*/
GIGA(9, "giga", 10),
/**
* SI prefix: mega, 10^6.
*
* @stable ICU 69
*/
MEGA(6, "mega", 10),
/**
* SI prefix: kilo, 10^3.
*
* @stable ICU 69
*/
KILO(3, "kilo", 10),
/**
* SI prefix: hecto, 10^2.
*
* @stable ICU 69
*/
HECTO(2, "hecto", 10),
/**
* SI prefix: deka, 10^1.
*
* @stable ICU 69
*/
DEKA(1, "deka", 10),
/**
* The absence of an SI prefix.
*
* @stable ICU 69
*/
ONE(0, "", 10),
/**
* SI prefix: deci, 10^-1.
*
* @stable ICU 69
*/
DECI(-1, "deci", 10),
/**
* SI prefix: centi, 10^-2.
*
* @stable ICU 69
*/
CENTI(-2, "centi", 10),
/**
* SI prefix: milli, 10^-3.
*
* @stable ICU 69
*/
MILLI(-3, "milli", 10),
/**
* SI prefix: micro, 10^-6.
*
* @stable ICU 69
*/
MICRO(-6, "micro", 10),
/**
* SI prefix: nano, 10^-9.
*
* @stable ICU 69
*/
NANO(-9, "nano", 10),
/**
* SI prefix: pico, 10^-12.
*
* @stable ICU 69
*/
PICO(-12, "pico", 10),
/**
* SI prefix: femto, 10^-15.
*
* @stable ICU 69
*/
FEMTO(-15, "femto", 10),
/**
* SI prefix: atto, 10^-18.
*
* @stable ICU 69
*/
ATTO(-18, "atto", 10),
/**
* SI prefix: zepto, 10^-21.
*
* @stable ICU 69
*/
ZEPTO(-21, "zepto", 10),
/**
* SI prefix: yocto, 10^-24.
*
* @stable ICU 69
*/
YOCTO(-24, "yocto", 10),
/**
* SI prefix: ronto, 10^-27.
*
* @stable ICU 75
*/
RONTO(-27, "ronto", 10),
/**
* SI prefix: quecto, 10^-30.
*
* @stable ICU 75
*/
QUECTO(-30, "quecto", 10),
/**
* IEC binary prefix: kibi, 1024^1.
*
* @stable ICU 69
*/
KIBI(1, "kibi", 1024),
/**
* IEC binary prefix: mebi, 1024^2.
*
* @stable ICU 69
*/
MEBI(2, "mebi", 1024),
/**
* IEC binary prefix: gibi, 1024^3.
*
* @stable ICU 69
*/
GIBI(3, "gibi", 1024),
/**
* IEC binary prefix: tebi, 1024^4.
*
* @stable ICU 69
*/
TEBI(4, "tebi", 1024),
/**
* IEC binary prefix: pebi, 1024^5.
*
* @stable ICU 69
*/
PEBI(5, "pebi", 1024),
/**
* IEC binary prefix: exbi, 1024^6.
*
* @stable ICU 69
*/
EXBI(6, "exbi", 1024),
/**
* IEC binary prefix: zebi, 1024^7.
*
* @stable ICU 69
*/
ZEBI(7, "zebi", 1024),
/**
* IEC binary prefix: yobi, 1024^8.
*
* @stable ICU 69
*/
YOBI(8, "yobi", 1024);
private final int base;
private final int power;
private final String identifier;
MeasurePrefix(int power, String identifier, int base) {
this.base = base;
this.power = power;
this.identifier = identifier;
}
/**
* Returns the identifier of the prefix.
*
* @internal
* @deprecated This API is ICU internal only.
*/
@Deprecated
public String getIdentifier() {
return identifier;
}
/**
* Returns the base of the prefix. For example: - if the prefix is "centi", the base will be
* 10. - if the prefix is "gibi", the base will be 1024.
*
* @stable ICU 69
*/
public int getBase() {
return base;
}
/**
* Returns the power of the prefix. For example: - if the prefix is "centi", the power will
* be -2. - if the prefix is "gibi", the power will be 3 (for base 1024).
*
* @stable ICU 69
*/
public int getPower() {
return power;
}
}
/**
* @internal
* @deprecated This API is ICU internal only.
*/
@Deprecated
protected MeasureUnit(String type, String subType) {
this.type = type;
this.subType = subType;
}
/**
* Constructs a MeasureUnit from a CLDR Core Unit Identifier, as defined in UTS 35. This method
* supports core unit identifiers and mixed unit identifiers. It validates and canonicalizes the
* given identifier.
*
* <p>Note: A dimensionless <code>MeasureUnit</code> is represented as <code>null</code>.
*
* <p>Example usage:
*
* <pre>
* MeasureUnit example = MeasureUnit.forIdentifier("meter-per-second);
* </pre>
*
* @param identifier the CLDR Unit Identifier
* @return the corresponding MeasureUnit
* @throws IllegalArgumentException if the identifier is invalid
* @stable ICU 68
*/
public static MeasureUnit forIdentifier(String identifier) {
if (identifier == null || identifier.isEmpty()) {
return NoUnit.BASE;
}
return MeasureUnitImpl.forIdentifier(identifier).build();
}
/**
* @internal
* @deprecated Internal API for ICU use only.
*/
@Deprecated
public static MeasureUnit fromMeasureUnitImpl(MeasureUnitImpl measureUnitImpl) {
measureUnitImpl.serialize();
String identifier = measureUnitImpl.getIdentifier();
MeasureUnit result = MeasureUnit.findBySubType(identifier);
if (result != null) {
return result;
}
return new MeasureUnit(measureUnitImpl);
}
private MeasureUnit(MeasureUnitImpl measureUnitImpl) {
type = null;
subType = null;
this.measureUnitImpl = measureUnitImpl.copy();
}
/**
* Get the type, such as "length". May return null.
*
* @stable ICU 53
*/
public String getType() {
return type;
}
/**
* Get the subType, such as “foot”. May return null.
*
* @stable ICU 53
*/
public String getSubtype() {
return subType;
}
/**
* Get CLDR Unit Identifier for this MeasureUnit, as defined in UTS 35.
*
* @return The string form of this unit.
* @stable ICU 68
*/
public String getIdentifier() {
String result = measureUnitImpl == null ? getSubtype() : measureUnitImpl.getIdentifier();
return result == null ? "" : result;
}
/**
* Compute the complexity of the unit. See Complexity for more information.
*
* @return The unit complexity.
* @stable ICU 68
*/
public Complexity getComplexity() {
if (measureUnitImpl == null) {
return MeasureUnitImpl.forIdentifier(getIdentifier()).getComplexity();
}
return measureUnitImpl.getComplexity();
}
/**
* Creates a MeasureUnit which is this SINGLE unit augmented with the specified prefix. For
* example, MeasurePrefix.KILO for "kilo", or MeasurePrefix.KIBI for "kibi". May return {@code
* this} if this unit already has that prefix.
*
* <p>There is sufficient locale data to format all standard prefixes.
*
* <p>NOTE: Only works on SINGLE units. If this is a COMPOUND or MIXED unit, an error will
* occur. For more information, {@link Complexity}.
*
* @param prefix The prefix, from MeasurePrefix.
* @return A new SINGLE unit.
* @throws UnsupportedOperationException if this unit is a COMPOUND or MIXED unit.
* @stable ICU 69
*/
public MeasureUnit withPrefix(MeasurePrefix prefix) {
SingleUnitImpl singleUnit = getSingleUnitImpl();
singleUnit.setPrefix(prefix);
return singleUnit.build();
}
/**
* Returns the current SI or binary prefix of this SINGLE unit. For example, if the unit has the
* prefix "kilo", then MeasurePrefix.KILO is returned.
*
* <p>NOTE: Only works on SINGLE units. If this is a COMPOUND or MIXED unit, an error will
* occur. For more information, {@link Complexity}.
*
* @return The prefix of this SINGLE unit, from MeasurePrefix.
* @throws UnsupportedOperationException if the unit is COMPOUND or MIXED.
* @stable ICU 69
*/
public MeasurePrefix getPrefix() {
return getSingleUnitImpl().getPrefix();
}
/**
* Creates a new MeasureUnit with a specified constant denominator.
*
* <p>This method is applicable only to COMPOUND & SINGLE units. If invoked on a MIXED unit,
* an exception will be thrown. For further details, refer to {@link Complexity}.
*
* <p>NOTE: If the constant denominator is set to 0, it means that you are removing the constant
* denominator.
*
* @param denominator The constant denominator to set.
* @return A new MeasureUnit with the specified constant denominator.
* @throws UnsupportedOperationException if the unit is not a COMPOUND unit.
* @draft ICU 77
*/
public MeasureUnit withConstantDenominator(long denominator) {
if (denominator < 0) {
throw new IllegalArgumentException("Denominator cannot be negative");
}
if (this.getComplexity() != Complexity.COMPOUND
&& this.getComplexity() != Complexity.SINGLE) {
throw new UnsupportedOperationException(
"Constant denominator can only be applied to COMPOUND & SINGLE units");
}
MeasureUnitImpl measureUnitImpl = getCopyOfMeasureUnitImpl();
measureUnitImpl.setConstantDenominator(denominator);
measureUnitImpl.setComplexity(
denominator == 0 && measureUnitImpl.getSingleUnits().size() < 2
? Complexity.SINGLE
: Complexity.COMPOUND);
return measureUnitImpl.build();
}
/**
* Retrieves the constant denominator for this COMPOUND unit.
*
* <p>Examples:
*
* <ul>
* <li>For the unit "liter-per-1000-kiloliter", the constant denominator is 1000.
* <li>For the unit "liter-per-kilometer", the constant denominator is zero.
* </ul>
*
* <p>This method is applicable only to COMPOUND & SINGLE units. If invoked on a MIXED unit,
* an exception will be thrown. For further details, refer to {@link Complexity}.
*
* <p>NOTE: If no constant denominator exists, the method returns 0.
*
* @return The value of the constant denominator.
* @throws UnsupportedOperationException if the unit is not a COMPOUND unit.
* @draft ICU 77
*/
public long getConstantDenominator() {
// TODO(ICU-23219)
MeasureUnitImpl measureUnitImpl = getCopyOfMeasureUnitImpl();
if (measureUnitImpl.getComplexity() != Complexity.COMPOUND
&& measureUnitImpl.getComplexity() != Complexity.SINGLE) {
throw new UnsupportedOperationException(
"Constant denominator is only supported for COMPOUND & SINGLE units");
}
return measureUnitImpl.getConstantDenominator();
}
/**
* Returns the dimensionality (power) of this MeasureUnit. For example, if the unit is square,
* then 2 is returned.
*
* <p>NOTE: Only works on SINGLE units. If this is a COMPOUND or MIXED unit, an exception will
* be thrown. For more information, {@link Complexity}.
*
* @return The dimensionality (power) of this simple unit.
* @throws UnsupportedOperationException if the unit is COMPOUND or MIXED.
* @stable ICU 68
*/
public int getDimensionality() {
return getSingleUnitImpl().getDimensionality();
}
/**
* Creates a MeasureUnit which is this SINGLE unit augmented with the specified dimensionality
* (power). For example, if dimensionality is 2, the unit will be squared.
*
* <p>NOTE: Only works on SINGLE units. If this is a COMPOUND or MIXED unit, an exception is
* thrown. For more information, {@link Complexity}.
*
* @param dimensionality The dimensionality (power).
* @return A new SINGLE unit.
* @throws UnsupportedOperationException if the unit is COMPOUND or MIXED.
* @stable ICU 68
*/
public MeasureUnit withDimensionality(int dimensionality) {
SingleUnitImpl singleUnit = getSingleUnitImpl();
singleUnit.setDimensionality(dimensionality);
return singleUnit.build();
}
/**
* Computes the reciprocal of this MeasureUnit, with the numerator and denominator flipped.
*
* <p>For example, if the receiver is "meter-per-second", the unit "second-per-meter" is
* returned.
*
* <p>NOTE: Only works on SINGLE and COMPOUND units. If this is a MIXED unit, an error will
* occur. For more information, {@link Complexity}.
*
* <p>NOTE: An exception will be thrown for units that have a constant denominator.
*
* @return The reciprocal of the target unit.
* @throws UnsupportedOperationException if the unit is MIXED or has a constant denominator.
* @stable ICU 68
*/
public MeasureUnit reciprocal() {
if (this.getComplexity() == Complexity.COMPOUND && this.getConstantDenominator() != 0) {
throw new UnsupportedOperationException(
"Cannot take reciprocal of a unit with a constant denominator");
}
MeasureUnitImpl measureUnit = getCopyOfMeasureUnitImpl();
measureUnit.takeReciprocal();
return measureUnit.build();
}
/**
* Computes the product of this unit with another unit. This is a way to build units from
* constituent parts.
*
* <p>The numerator and denominator are preserved through this operation.
*
* <p>For example, if the receiver is "kilowatt" and the argument is "hour-per-day", then the
* unit "kilowatt-hour-per-day" is returned.
*
* <p>NOTE: Only works on SINGLE and COMPOUND units. If either unit (receivee and argument) is a
* MIXED unit, an error will occur. For more information, {@link Complexity}.
*
* @param other The MeasureUnit to multiply with the target.
* @return The product of the target unit with the provided unit.
* @throws UnsupportedOperationException if the unit is MIXED.
* @stable ICU 68
*/
public MeasureUnit product(MeasureUnit other) {
MeasureUnitImpl implCopy = getCopyOfMeasureUnitImpl();
if (other == null /* dimensionless */) {
return implCopy.build();
}
final MeasureUnitImpl otherImplRef = other.getMaybeReferenceOfMeasureUnitImpl();
if (implCopy.getComplexity() == Complexity.MIXED
|| otherImplRef.getComplexity() == Complexity.MIXED) {
throw new UnsupportedOperationException();
}
for (SingleUnitImpl singleUnit : otherImplRef.getSingleUnits()) {
implCopy.appendSingleUnit(singleUnit);
}
long thisConstantDenominator = implCopy.getConstantDenominator();
long otherConstantDenominator = otherImplRef.getConstantDenominator();
// TODO: we can also multiply the constant denominators instead of throwing an
// exception.
if (thisConstantDenominator != 0 && otherConstantDenominator != 0) {
// There is only `one` constant denominator in a compound unit.
// Therefore, we cannot multiply units that both of them have a constant
// denominator.
throw new UnsupportedOperationException(
"Cannot multiply units that both of them have a constant denominator");
}
// Because either one of the constant denominators is zero, we can use the
// maximum of them.
implCopy.setConstantDenominator(
Math.max(thisConstantDenominator, otherConstantDenominator));
return implCopy.build();
}
/**
* Returns the list of SINGLE units contained within a sequence of COMPOUND units.
*
* <p>Examples: - Given "meter-kilogram-per-second", three units will be returned: "meter",
* "kilogram", and "per-second". - Given "hour+minute+second", three units will be returned:
* "hour", "minute", and "second".
*
* <p>If this is a SINGLE unit, a list of length 1 will be returned.
*
* <p>NOTE: For units with a constant denominator, the returned single units will not include
* the constant denominator. To obtain the constant denominator, retrieve it from the original
* unit.
*
* <p>
*
* @return An unmodifiable list of single units
* @stable ICU 68
*/
public List<MeasureUnit> splitToSingleUnits() {
final ArrayList<SingleUnitImpl> singleUnits =
getMaybeReferenceOfMeasureUnitImpl().getSingleUnits();
List<MeasureUnit> result = new ArrayList<>(singleUnits.size());
for (SingleUnitImpl singleUnit : singleUnits) {
result.add(singleUnit.build());
}
return result;
}
/**
* {@inheritDoc}
*
* @stable ICU 3.0
*/
@Override
public int hashCode() {
return 31 * type.hashCode() + subType.hashCode();
}
/**
* {@inheritDoc}
*
* @stable ICU 3.0
*/
@Override
public boolean equals(Object rhs) {
if (rhs == this) {
return true;
}
if (!(rhs instanceof MeasureUnit)) {
return false;
}
return this.getIdentifier().equals(((MeasureUnit) rhs).getIdentifier());
}
/**
* {@inheritDoc}
*
* @stable ICU 3.0
*/
@Override
public String toString() {
String result =
measureUnitImpl == null ? type + "-" + subType : measureUnitImpl.getIdentifier();
return result == null ? "" : result;
}
/**
* Get all of the available units' types. Returned set is unmodifiable.
*
* @stable ICU 53
*/
public static Set<String> getAvailableTypes() {
populateCache();
return Collections.unmodifiableSet(cache.keySet());
}
/**
* For the given type, return the available units.
*
* @param type the type
* @return the available units for type. Returned set is unmodifiable.
* @stable ICU 53
*/
public static Set<MeasureUnit> getAvailable(String type) {
populateCache();
Map<String, MeasureUnit> units = cache.get(type);
// Train users not to modify returned set from the start giving us more
// flexibility for implementation.
// Use CollectionSet instead of HashSet for better performance.
return units == null
? Collections.<MeasureUnit>emptySet()
: Collections.unmodifiableSet(new CollectionSet<>(units.values()));
}
/**
* Get all of the available units. Returned set is unmodifiable.
*
* @stable ICU 53
*/
public static synchronized Set<MeasureUnit> getAvailable() {
Set<MeasureUnit> result = new HashSet<>();
for (String type : new HashSet<>(MeasureUnit.getAvailableTypes())) {
for (MeasureUnit unit : MeasureUnit.getAvailable(type)) {
result.add(unit);
}
}
// Train users not to modify returned set from the start giving us more
// flexibility for implementation.
return Collections.unmodifiableSet(result);
}
/**
* Creates a MeasureUnit instance (creates a singleton instance) or returns one from the cache.
*
* <p>Normally this method should not be used, since there will be no formatting data available
* for it, and it may not be returned by getAvailable(). However, for special purposes (such as
* CLDR tooling), it is available.
*
* @internal
* @deprecated This API is ICU internal only.
*/
@Deprecated
public static MeasureUnit internalGetInstance(String type, String subType) {
if (type == null || subType == null) {
throw new NullPointerException("Type and subType must be non-null");
}
if (!"currency".equals(type)) {
if (!ASCII.containsAll(type) || !ASCII_HYPHEN_DIGITS.containsAll(subType)) {
throw new IllegalArgumentException("The type or subType are invalid.");
}
}
Factory factory;
if ("currency".equals(type)) {
factory = CURRENCY_FACTORY;
} else if ("duration".equals(type)) {
factory = TIMEUNIT_FACTORY;
} else {
factory = UNIT_FACTORY;
}
return MeasureUnit.addUnit(type, subType, factory);
}
/**
* @internal
* @deprecated This API is ICU internal only.
*/
@Deprecated
public static MeasureUnit findBySubType(String subType) {
populateCache();
for (Map<String, MeasureUnit> unitsForType : cache.values()) {
if (unitsForType.containsKey(subType)) {
return unitsForType.get(subType);
}
}
return null;
}
/**
* Returns the MeasureUnit instance if the given type and subtype combination is valid, or null
* otherwise.
*
* <p>Example: "length", "meter" -> METER "length", "kilometer" -> KILOMETER "length",
* "kilometer-per-hour" -> null --> not valid
*
* @param type the unit type (e.g., "length", "mass", "volume")
* @param subtype the unit subtype (e.g., "meter", "kilogram", "liter")
* @return the MeasureUnit if valid, otherwise null
* @internal
* @deprecated This API is ICU internal only.
*/
@Deprecated
public static MeasureUnit getUnit(String type, String subtype) {
populateCache();
Map<String, MeasureUnit> units = cache.get(type);
return units != null ? units.get(subtype) : null;
}
static final UnicodeSet ASCII = new UnicodeSet('a', 'z').freeze();
static final UnicodeSet ASCII_HYPHEN_DIGITS =
new UnicodeSet('-', '-', '0', '9', 'a', 'z').freeze();
/**
* @internal
* @deprecated This API is ICU internal only.
*/
@Deprecated
protected interface Factory {
/**
* @internal
* @deprecated This API is ICU internal only.
*/
@Deprecated
MeasureUnit create(String type, String subType);
}
private static Factory UNIT_FACTORY =
new Factory() {
@Override
public MeasureUnit create(String type, String subType) {
return new MeasureUnit(type, subType);
}
};
static Factory CURRENCY_FACTORY =
new Factory() {
@Override
public MeasureUnit create(String unusedType, String subType) {
return new Currency(subType);
}
};
static Factory TIMEUNIT_FACTORY =
new Factory() {
@Override
public MeasureUnit create(String type, String subType) {
return new TimeUnit(type, subType);
}
};
/** Sink for enumerating the available measure units. */
private static final class MeasureUnitSink extends UResource.Sink {
@Override
public void put(UResource.Key key, UResource.Value value, boolean noFallback) {
UResource.Table unitTypesTable = value.getTable();
for (int i2 = 0; unitTypesTable.getKeyAndValue(i2, key, value); ++i2) {
// Skip "compound" and "coordinate" since they are treated differently from the
// other units
if (key.contentEquals("compound") || key.contentEquals("coordinate")) {
continue;
}
String unitType = key.toString();
UResource.Table unitNamesTable = value.getTable();
for (int i3 = 0; unitNamesTable.getKeyAndValue(i3, key, value); ++i3) {
String unitName = key.toString();
internalGetInstance(unitType, unitName);
}
}
}
}
/** Sink for enumerating the currency numeric codes. */
private static final class CurrencyNumericCodeSink extends UResource.Sink {
@Override
public void put(UResource.Key key, UResource.Value value, boolean noFallback) {
UResource.Table codesTable = value.getTable();
for (int i1 = 0; codesTable.getKeyAndValue(i1, key, value); ++i1) {
internalGetInstance("currency", key.toString());
}
}
}
/**
* Populate the MeasureUnit cache with all types from the data. Population is done lazily, in
* response to MeasureUnit.getAvailable() or other API that expects to see all of the
* MeasureUnits.
*
* <p>At static initialization time the MeasureUnits cache is populated with public static
* instances (G_FORCE, METER_PER_SECOND_SQUARED, etc.) only. Adding of others is deferred until
* later to avoid circular static init dependencies with classes Currency and TimeUnit.
*
* @internal
*/
private static synchronized void populateCache() {
if (cacheIsPopulated) {
return;
}
cacheIsPopulated = true;
/* Schema:
*
* units{
* duration{
* day{
* one{"{0} ден"}
* other{"{0} дена"}
* }
*/
// Load the unit types. Use English, since we know that that is a superset.
ICUResourceBundle rb1 =
(ICUResourceBundle)
UResourceBundle.getBundleInstance(ICUData.ICU_UNIT_BASE_NAME, "en");
rb1.getAllItemsWithFallback("units", new MeasureUnitSink());
// Load the currencies
ICUResourceBundle rb2 =
(ICUResourceBundle)
UResourceBundle.getBundleInstance(
ICUData.ICU_BASE_NAME,
"currencyNumericCodes",
ICUResourceBundle.ICU_DATA_CLASS_LOADER);
rb2.getAllItemsWithFallback("codeMap", new CurrencyNumericCodeSink());
}
/**
* @internal
* @deprecated This API is ICU internal only.
*/
@Deprecated
protected static synchronized MeasureUnit addUnit(
String type, String unitName, Factory factory) {
Map<String, MeasureUnit> tmp = cache.get(type);
if (tmp == null) {
cache.put(type, tmp = new HashMap<>());
} else {
// "intern" the type by setting to first item's type.
type = tmp.entrySet().iterator().next().getValue().type;
}
MeasureUnit unit = tmp.get(unitName);
if (unit == null) {
tmp.put(unitName, unit = factory.create(type, unitName));
}
return unit;
}
/*
* Useful constants. Not necessarily complete: see {@link #getAvailable()}.
*/
// All code between the "Start generated MeasureUnit constants" comment and
// the "End generated MeasureUnit constants" comment is auto generated code
// and must not be edited manually. For instructions on how to correctly
// update this code, refer to:
// docs/processes/release/tasks/updating-measure-unit.md
//
// Start generated MeasureUnit constants
/**
* Constant for unit of acceleration: g-force
*
* @stable ICU 53
*/
public static final MeasureUnit G_FORCE =
MeasureUnit.internalGetInstance("acceleration", "g-force");
/**
* Constant for unit of acceleration: meter-per-square-second
*
* @stable ICU 54
*/
public static final MeasureUnit METER_PER_SECOND_SQUARED =
MeasureUnit.internalGetInstance("acceleration", "meter-per-square-second");
/**
* Constant for unit of angle: arc-minute
*
* @stable ICU 53
*/
public static final MeasureUnit ARC_MINUTE =
MeasureUnit.internalGetInstance("angle", "arc-minute");
/**
* Constant for unit of angle: arc-second
*
* @stable ICU 53
*/
public static final MeasureUnit ARC_SECOND =
MeasureUnit.internalGetInstance("angle", "arc-second");
/**
* Constant for unit of angle: degree
*
* @stable ICU 53
*/
public static final MeasureUnit DEGREE = MeasureUnit.internalGetInstance("angle", "degree");
/**
* Constant for unit of angle: radian
*
* @stable ICU 54
*/
public static final MeasureUnit RADIAN = MeasureUnit.internalGetInstance("angle", "radian");
/**
* Constant for unit of angle: revolution
*
* @stable ICU 56
*/
public static final MeasureUnit REVOLUTION_ANGLE =
MeasureUnit.internalGetInstance("angle", "revolution");
/**
* Constant for unit of angle: steradian
*
* @draft ICU 78
*/
public static final MeasureUnit STERADIAN =
MeasureUnit.internalGetInstance("angle", "steradian");
/**
* Constant for unit of area: acre
*
* @stable ICU 53
*/
public static final MeasureUnit ACRE = MeasureUnit.internalGetInstance("area", "acre");
/**
* Constant for unit of area: bu-jp
*
* @draft ICU 78
*/
public static final MeasureUnit BU_JP = MeasureUnit.internalGetInstance("area", "bu-jp");
/**
* Constant for unit of area: cho
*
* @draft ICU 78
*/
public static final MeasureUnit CHO = MeasureUnit.internalGetInstance("area", "cho");
/**
* Constant for unit of area: dunam
*
* @stable ICU 64
*/
public static final MeasureUnit DUNAM = MeasureUnit.internalGetInstance("area", "dunam");
/**
* Constant for unit of area: hectare
*
* @stable ICU 53
*/
public static final MeasureUnit HECTARE = MeasureUnit.internalGetInstance("area", "hectare");
/**
* Constant for unit of area: se-jp
*
* @draft ICU 78
*/
public static final MeasureUnit SE_JP = MeasureUnit.internalGetInstance("area", "se-jp");
/**
* Constant for unit of area: square-centimeter
*
* @stable ICU 54
*/
public static final MeasureUnit SQUARE_CENTIMETER =
MeasureUnit.internalGetInstance("area", "square-centimeter");
/**
* Constant for unit of area: square-foot
*
* @stable ICU 53
*/
public static final MeasureUnit SQUARE_FOOT =
MeasureUnit.internalGetInstance("area", "square-foot");
/**
* Constant for unit of area: square-inch
*
* @stable ICU 54
*/
public static final MeasureUnit SQUARE_INCH =
MeasureUnit.internalGetInstance("area", "square-inch");
/**
* Constant for unit of area: square-kilometer
*
* @stable ICU 53
*/
public static final MeasureUnit SQUARE_KILOMETER =
MeasureUnit.internalGetInstance("area", "square-kilometer");
/**
* Constant for unit of area: square-meter
*
* @stable ICU 53
*/
public static final MeasureUnit SQUARE_METER =
MeasureUnit.internalGetInstance("area", "square-meter");
/**
* Constant for unit of area: square-mile
*
* @stable ICU 53
*/
public static final MeasureUnit SQUARE_MILE =
MeasureUnit.internalGetInstance("area", "square-mile");
/**
* Constant for unit of area: square-yard
*
* @stable ICU 54
*/
public static final MeasureUnit SQUARE_YARD =
MeasureUnit.internalGetInstance("area", "square-yard");
/**
* Constant for unit of concentr: item
*
* @stable ICU 70
*/
public static final MeasureUnit ITEM = MeasureUnit.internalGetInstance("concentr", "item");
/**
* Constant for unit of concentr: karat
*
* @stable ICU 54
*/
public static final MeasureUnit KARAT = MeasureUnit.internalGetInstance("concentr", "karat");
/**
* Constant for unit of concentr: katal
*
* @draft ICU 78
*/
public static final MeasureUnit KATAL = MeasureUnit.internalGetInstance("concentr", "katal");
/**
* Constant for unit of concentr: milligram-ofglucose-per-deciliter
*
* @stable ICU 69
*/
public static final MeasureUnit MILLIGRAM_OFGLUCOSE_PER_DECILITER =
MeasureUnit.internalGetInstance("concentr", "milligram-ofglucose-per-deciliter");
/**
* Constant for unit of concentr: milligram-per-deciliter (renamed to
* milligram-ofglucose-per-deciliter in CLDR 39 / ICU 69).
*
* @deprecated ICU 78 use MILLIGRAM_OFGLUCOSE_PER_DECILITER
*/
@Deprecated
public static final MeasureUnit MILLIGRAM_PER_DECILITER =
MeasureUnit.internalGetInstance("concentr", "milligram-ofglucose-per-deciliter");
/**
* Constant for unit of concentr: millimole-per-liter
*
* @stable ICU 57
*/
public static final MeasureUnit MILLIMOLE_PER_LITER =
MeasureUnit.internalGetInstance("concentr", "millimole-per-liter");
/**
* Constant for unit of concentr: mole
*
* @stable ICU 64
*/
public static final MeasureUnit MOLE = MeasureUnit.internalGetInstance("concentr", "mole");
/**
* Constant for unit of concentr: ofglucose
*
* @draft ICU 78
*/
public static final MeasureUnit OFGLUCOSE =
MeasureUnit.internalGetInstance("concentr", "ofglucose");
/**
* Constant for unit of concentr: part
*
* @draft ICU 78
*/
public static final MeasureUnit PART = MeasureUnit.internalGetInstance("concentr", "part");
/**
* Constant for unit of concentr: part-per-1e6
*
* @draft ICU 78
*/
public static final MeasureUnit PART_PER_1E6 =
MeasureUnit.internalGetInstance("concentr", "part-per-1e6");
/**
* Constant for unit of concentr: part-per-million (renamed to part-per-1e6 in CLDR 48 / ICU
* 78).
*
* @stable ICU 57
*/
public static final MeasureUnit PART_PER_MILLION =
MeasureUnit.internalGetInstance("concentr", "part-per-1e6");
/**
* Constant for unit of concentr: part-per-1e9
*
* @draft ICU 78
*/
public static final MeasureUnit PART_PER_1E9 =
MeasureUnit.internalGetInstance("concentr", "part-per-1e9");
/**
* Constant for unit of concentr: percent
*
* @stable ICU 63
*/
public static final MeasureUnit PERCENT =
MeasureUnit.internalGetInstance("concentr", "percent");
/**
* Constant for unit of concentr: permille
*
* @stable ICU 63
*/
public static final MeasureUnit PERMILLE =
MeasureUnit.internalGetInstance("concentr", "permille");
/**
* Constant for unit of concentr: permyriad
*
* @stable ICU 64
*/
public static final MeasureUnit PERMYRIAD =
MeasureUnit.internalGetInstance("concentr", "permyriad");
/**
* Constant for unit of consumption: liter-per-100-kilometer
*
* @stable ICU 56
*/
public static final MeasureUnit LITER_PER_100KILOMETERS =
MeasureUnit.internalGetInstance("consumption", "liter-per-100-kilometer");
/**
* Constant for unit of consumption: liter-per-kilometer
*
* @stable ICU 54
*/
public static final MeasureUnit LITER_PER_KILOMETER =
MeasureUnit.internalGetInstance("consumption", "liter-per-kilometer");
/**
* Constant for unit of consumption: mile-per-gallon
*
* @stable ICU 54
*/
public static final MeasureUnit MILE_PER_GALLON =
MeasureUnit.internalGetInstance("consumption", "mile-per-gallon");
/**
* Constant for unit of consumption: mile-per-gallon-imperial
*
* @stable ICU 57
*/
public static final MeasureUnit MILE_PER_GALLON_IMPERIAL =
MeasureUnit.internalGetInstance("consumption", "mile-per-gallon-imperial");
/**
* Constant for unit of digital: bit
*
* @stable ICU 54
*/
public static final MeasureUnit BIT = MeasureUnit.internalGetInstance("digital", "bit");
/**
* Constant for unit of digital: byte
*
* @stable ICU 54
*/
public static final MeasureUnit BYTE = MeasureUnit.internalGetInstance("digital", "byte");
/**
* Constant for unit of digital: gigabit
*
* @stable ICU 54
*/
public static final MeasureUnit GIGABIT = MeasureUnit.internalGetInstance("digital", "gigabit");
/**
* Constant for unit of digital: gigabyte
*
* @stable ICU 54
*/
public static final MeasureUnit GIGABYTE =
MeasureUnit.internalGetInstance("digital", "gigabyte");
/**
* Constant for unit of digital: kilobit
*
* @stable ICU 54
*/
public static final MeasureUnit KILOBIT = MeasureUnit.internalGetInstance("digital", "kilobit");
/**
* Constant for unit of digital: kilobyte
*
* @stable ICU 54
*/
public static final MeasureUnit KILOBYTE =
MeasureUnit.internalGetInstance("digital", "kilobyte");
/**
* Constant for unit of digital: megabit
*
* @stable ICU 54
*/
public static final MeasureUnit MEGABIT = MeasureUnit.internalGetInstance("digital", "megabit");
/**
* Constant for unit of digital: megabyte
*
* @stable ICU 54
*/
public static final MeasureUnit MEGABYTE =
MeasureUnit.internalGetInstance("digital", "megabyte");
/**
* Constant for unit of digital: petabyte
*
* @stable ICU 63
*/
public static final MeasureUnit PETABYTE =
MeasureUnit.internalGetInstance("digital", "petabyte");
/**
* Constant for unit of digital: terabit
*
* @stable ICU 54
*/
public static final MeasureUnit TERABIT = MeasureUnit.internalGetInstance("digital", "terabit");
/**
* Constant for unit of digital: terabyte
*
* @stable ICU 54
*/
public static final MeasureUnit TERABYTE =
MeasureUnit.internalGetInstance("digital", "terabyte");
/**
* Constant for unit of duration: century
*
* @stable ICU 56
*/
public static final MeasureUnit CENTURY =
MeasureUnit.internalGetInstance("duration", "century");
/**
* Constant for unit of duration: day
*
* @stable ICU 4.0
*/
public static final TimeUnit DAY =
(TimeUnit) MeasureUnit.internalGetInstance("duration", "day");
/**
* Constant for unit of duration: day-person
*
* @stable ICU 64
*/
public static final MeasureUnit DAY_PERSON =
MeasureUnit.internalGetInstance("duration", "day-person");
/**
* Constant for unit of duration: decade
*
* @stable ICU 65
*/
public static final MeasureUnit DECADE = MeasureUnit.internalGetInstance("duration", "decade");
/**
* Constant for unit of duration: fortnight
*
* @draft ICU 78
*/
public static final MeasureUnit FORTNIGHT =
MeasureUnit.internalGetInstance("duration", "fortnight");
/**
* Constant for unit of duration: hour
*
* @stable ICU 4.0
*/
public static final TimeUnit HOUR =
(TimeUnit) MeasureUnit.internalGetInstance("duration", "hour");
/**
* Constant for unit of duration: microsecond
*
* @stable ICU 54
*/
public static final MeasureUnit MICROSECOND =
MeasureUnit.internalGetInstance("duration", "microsecond");
/**
* Constant for unit of duration: millisecond
*
* @stable ICU 53
*/
public static final MeasureUnit MILLISECOND =
MeasureUnit.internalGetInstance("duration", "millisecond");
/**
* Constant for unit of duration: minute
*
* @stable ICU 4.0
*/
public static final TimeUnit MINUTE =
(TimeUnit) MeasureUnit.internalGetInstance("duration", "minute");
/**
* Constant for unit of duration: month
*
* @stable ICU 4.0
*/
public static final TimeUnit MONTH =
(TimeUnit) MeasureUnit.internalGetInstance("duration", "month");
/**
* Constant for unit of duration: month-person
*
* @stable ICU 64
*/
public static final MeasureUnit MONTH_PERSON =
MeasureUnit.internalGetInstance("duration", "month-person");
/**
* Constant for unit of duration: nanosecond
*
* @stable ICU 54
*/
public static final MeasureUnit NANOSECOND =
MeasureUnit.internalGetInstance("duration", "nanosecond");
/**
* Constant for unit of duration: night
*
* @stable ICU 76
*/
public static final MeasureUnit NIGHT = MeasureUnit.internalGetInstance("duration", "night");
/**
* Constant for unit of duration: quarter
*
* @stable ICU 72
*/
public static final MeasureUnit QUARTER =
MeasureUnit.internalGetInstance("duration", "quarter");
/**
* Constant for unit of duration: second
*
* @stable ICU 4.0
*/
public static final TimeUnit SECOND =
(TimeUnit) MeasureUnit.internalGetInstance("duration", "second");
/**
* Constant for unit of duration: week
*
* @stable ICU 4.0
*/
public static final TimeUnit WEEK =
(TimeUnit) MeasureUnit.internalGetInstance("duration", "week");
/**
* Constant for unit of duration: week-person
*
* @stable ICU 64
*/
public static final MeasureUnit WEEK_PERSON =
MeasureUnit.internalGetInstance("duration", "week-person");
/**
* Constant for unit of duration: year
*
* @stable ICU 4.0
*/
public static final TimeUnit YEAR =
(TimeUnit) MeasureUnit.internalGetInstance("duration", "year");
/**
* Constant for unit of duration: year-person
*
* @stable ICU 64
*/
public static final MeasureUnit YEAR_PERSON =
MeasureUnit.internalGetInstance("duration", "year-person");
/**
* Constant for unit of electric: ampere
*
* @stable ICU 54
*/
public static final MeasureUnit AMPERE = MeasureUnit.internalGetInstance("electric", "ampere");
/**
* Constant for unit of electric: coulomb
*
* @draft ICU 78
*/
public static final MeasureUnit COULOMB =
MeasureUnit.internalGetInstance("electric", "coulomb");
/**
* Constant for unit of electric: farad
*
* @draft ICU 78
*/
public static final MeasureUnit FARAD = MeasureUnit.internalGetInstance("electric", "farad");
/**
* Constant for unit of electric: henry
*
* @draft ICU 78
*/
public static final MeasureUnit HENRY = MeasureUnit.internalGetInstance("electric", "henry");
/**
* Constant for unit of electric: milliampere
*
* @stable ICU 54
*/
public static final MeasureUnit MILLIAMPERE =
MeasureUnit.internalGetInstance("electric", "milliampere");
/**
* Constant for unit of electric: ohm
*
* @stable ICU 54
*/
public static final MeasureUnit OHM = MeasureUnit.internalGetInstance("electric", "ohm");
/**
* Constant for unit of electric: siemens
*
* @draft ICU 78
*/
public static final MeasureUnit SIEMENS =
MeasureUnit.internalGetInstance("electric", "siemens");
/**
* Constant for unit of electric: volt
*
* @stable ICU 54
*/
public static final MeasureUnit VOLT = MeasureUnit.internalGetInstance("electric", "volt");
/**
* Constant for unit of energy: becquerel
*
* @draft ICU 78
*/
public static final MeasureUnit BECQUEREL =
MeasureUnit.internalGetInstance("energy", "becquerel");
/**
* Constant for unit of energy: british-thermal-unit
*
* @stable ICU 64
*/
public static final MeasureUnit BRITISH_THERMAL_UNIT =
MeasureUnit.internalGetInstance("energy", "british-thermal-unit");
/**
* Constant for unit of energy: british-thermal-unit-it
*
* @draft ICU 78
*/
public static final MeasureUnit BRITISH_THERMAL_UNIT_IT =
MeasureUnit.internalGetInstance("energy", "british-thermal-unit-it");
/**
* Constant for unit of energy: calorie
*
* @stable ICU 54
*/
public static final MeasureUnit CALORIE = MeasureUnit.internalGetInstance("energy", "calorie");
/**
* Constant for unit of energy: calorie-it
*
* @draft ICU 78
*/
public static final MeasureUnit CALORIE_IT =
MeasureUnit.internalGetInstance("energy", "calorie-it");
/**
* Constant for unit of energy: electronvolt
*
* @stable ICU 64
*/
public static final MeasureUnit ELECTRONVOLT =
MeasureUnit.internalGetInstance("energy", "electronvolt");
/**
* Constant for unit of energy: foodcalorie
*
* @stable ICU 54
*/
public static final MeasureUnit FOODCALORIE =
MeasureUnit.internalGetInstance("energy", "foodcalorie");
/**
* Constant for unit of energy: gray
*
* @draft ICU 78
*/
public static final MeasureUnit GRAY = MeasureUnit.internalGetInstance("energy", "gray");
/**
* Constant for unit of energy: joule
*
* @stable ICU 54
*/
public static final MeasureUnit JOULE = MeasureUnit.internalGetInstance("energy", "joule");
/**
* Constant for unit of energy: kilocalorie
*
* @stable ICU 54
*/
public static final MeasureUnit KILOCALORIE =
MeasureUnit.internalGetInstance("energy", "kilocalorie");
/**
* Constant for unit of energy: kilojoule
*
* @stable ICU 54
*/
public static final MeasureUnit KILOJOULE =
MeasureUnit.internalGetInstance("energy", "kilojoule");
/**
* Constant for unit of energy: kilowatt-hour
*
* @stable ICU 54
*/
public static final MeasureUnit KILOWATT_HOUR =
MeasureUnit.internalGetInstance("energy", "kilowatt-hour");
/**
* Constant for unit of energy: sievert
*
* @draft ICU 78
*/
public static final MeasureUnit SIEVERT = MeasureUnit.internalGetInstance("energy", "sievert");
/**
* Constant for unit of energy: therm-us
*
* @stable ICU 65
*/
public static final MeasureUnit THERM_US =
MeasureUnit.internalGetInstance("energy", "therm-us");
/**
* Constant for unit of force: kilogram-force
*
* @draft ICU 78
*/
public static final MeasureUnit KILOGRAM_FORCE =
MeasureUnit.internalGetInstance("force", "kilogram-force");
/**
* Constant for unit of force: kilowatt-hour-per-100-kilometer
*
* @stable ICU 70
*/
public static final MeasureUnit KILOWATT_HOUR_PER_100_KILOMETER =
MeasureUnit.internalGetInstance("force", "kilowatt-hour-per-100-kilometer");
/**
* Constant for unit of force: newton
*
* @stable ICU 64
*/
public static final MeasureUnit NEWTON = MeasureUnit.internalGetInstance("force", "newton");
/**
* Constant for unit of force: pound-force
*
* @stable ICU 64
*/
public static final MeasureUnit POUND_FORCE =
MeasureUnit.internalGetInstance("force", "pound-force");
/**
* Constant for unit of frequency: gigahertz
*
* @stable ICU 54
*/
public static final MeasureUnit GIGAHERTZ =
MeasureUnit.internalGetInstance("frequency", "gigahertz");
/**
* Constant for unit of frequency: hertz
*
* @stable ICU 54
*/
public static final MeasureUnit HERTZ = MeasureUnit.internalGetInstance("frequency", "hertz");
/**
* Constant for unit of frequency: kilohertz
*
* @stable ICU 54
*/
public static final MeasureUnit KILOHERTZ =
MeasureUnit.internalGetInstance("frequency", "kilohertz");
/**
* Constant for unit of frequency: megahertz
*
* @stable ICU 54
*/
public static final MeasureUnit MEGAHERTZ =
MeasureUnit.internalGetInstance("frequency", "megahertz");
/**
* Constant for unit of graphics: dot
*
* @stable ICU 68
*/
public static final MeasureUnit DOT = MeasureUnit.internalGetInstance("graphics", "dot");
/**
* Constant for unit of graphics: dot-per-centimeter
*
* @stable ICU 65
*/
public static final MeasureUnit DOT_PER_CENTIMETER =
MeasureUnit.internalGetInstance("graphics", "dot-per-centimeter");
/**
* Constant for unit of graphics: dot-per-inch
*
* @stable ICU 65
*/
public static final MeasureUnit DOT_PER_INCH =
MeasureUnit.internalGetInstance("graphics", "dot-per-inch");
/**
* Constant for unit of graphics: em
*
* @stable ICU 65
*/
public static final MeasureUnit EM = MeasureUnit.internalGetInstance("graphics", "em");
/**
* Constant for unit of graphics: megapixel
*
* @stable ICU 65
*/
public static final MeasureUnit MEGAPIXEL =
MeasureUnit.internalGetInstance("graphics", "megapixel");
/**
* Constant for unit of graphics: pixel
*
* @stable ICU 65
*/
public static final MeasureUnit PIXEL = MeasureUnit.internalGetInstance("graphics", "pixel");
/**
* Constant for unit of graphics: pixel-per-centimeter
*
* @stable ICU 65
*/
public static final MeasureUnit PIXEL_PER_CENTIMETER =
MeasureUnit.internalGetInstance("graphics", "pixel-per-centimeter");
/**
* Constant for unit of graphics: pixel-per-inch
*
* @stable ICU 65
*/
public static final MeasureUnit PIXEL_PER_INCH =
MeasureUnit.internalGetInstance("graphics", "pixel-per-inch");
/**
* Constant for unit of length: astronomical-unit
*
* @stable ICU 54
*/
public static final MeasureUnit ASTRONOMICAL_UNIT =
MeasureUnit.internalGetInstance("length", "astronomical-unit");
/**
* Constant for unit of length: centimeter
*
* @stable ICU 53
*/
public static final MeasureUnit CENTIMETER =
MeasureUnit.internalGetInstance("length", "centimeter");
/**
* Constant for unit of length: chain
*
* @draft ICU 78
*/
public static final MeasureUnit CHAIN = MeasureUnit.internalGetInstance("length", "chain");
/**
* Constant for unit of length: decimeter
*
* @stable ICU 54
*/
public static final MeasureUnit DECIMETER =
MeasureUnit.internalGetInstance("length", "decimeter");
/**
* Constant for unit of length: earth-radius
*
* @stable ICU 68
*/
public static final MeasureUnit EARTH_RADIUS =
MeasureUnit.internalGetInstance("length", "earth-radius");
/**
* Constant for unit of length: fathom
*
* @stable ICU 54
*/
public static final MeasureUnit FATHOM = MeasureUnit.internalGetInstance("length", "fathom");
/**
* Constant for unit of length: foot
*
* @stable ICU 53
*/
public static final MeasureUnit FOOT = MeasureUnit.internalGetInstance("length", "foot");
/**
* Constant for unit of length: furlong
*
* @stable ICU 54
*/
public static final MeasureUnit FURLONG = MeasureUnit.internalGetInstance("length", "furlong");
/**
* Constant for unit of length: inch
*
* @stable ICU 53
*/
public static final MeasureUnit INCH = MeasureUnit.internalGetInstance("length", "inch");
/**
* Constant for unit of length: jo-jp
*
* @draft ICU 78
*/
public static final MeasureUnit JO_JP = MeasureUnit.internalGetInstance("length", "jo-jp");
/**
* Constant for unit of length: ken
*
* @draft ICU 78
*/
public static final MeasureUnit KEN = MeasureUnit.internalGetInstance("length", "ken");
/**
* Constant for unit of length: kilometer
*
* @stable ICU 53
*/
public static final MeasureUnit KILOMETER =
MeasureUnit.internalGetInstance("length", "kilometer");
/**
* Constant for unit of length: light-year
*
* @stable ICU 53
*/
public static final MeasureUnit LIGHT_YEAR =
MeasureUnit.internalGetInstance("length", "light-year");
/**
* Constant for unit of length: meter
*
* @stable ICU 53
*/
public static final MeasureUnit METER = MeasureUnit.internalGetInstance("length", "meter");
/**
* Constant for unit of length: micrometer
*
* @stable ICU 54
*/
public static final MeasureUnit MICROMETER =
MeasureUnit.internalGetInstance("length", "micrometer");
/**
* Constant for unit of length: mile
*
* @stable ICU 53
*/
public static final MeasureUnit MILE = MeasureUnit.internalGetInstance("length", "mile");
/**
* Constant for unit of length: mile-scandinavian
*
* @stable ICU 56
*/
public static final MeasureUnit MILE_SCANDINAVIAN =
MeasureUnit.internalGetInstance("length", "mile-scandinavian");
/**
* Constant for unit of length: millimeter
*
* @stable ICU 53
*/
public static final MeasureUnit MILLIMETER =
MeasureUnit.internalGetInstance("length", "millimeter");
/**
* Constant for unit of length: nanometer
*
* @stable ICU 54
*/
public static final MeasureUnit NANOMETER =
MeasureUnit.internalGetInstance("length", "nanometer");
/**
* Constant for unit of length: nautical-mile
*
* @stable ICU 54
*/
public static final MeasureUnit NAUTICAL_MILE =
MeasureUnit.internalGetInstance("length", "nautical-mile");
/**
* Constant for unit of length: parsec
*
* @stable ICU 54
*/
public static final MeasureUnit PARSEC = MeasureUnit.internalGetInstance("length", "parsec");
/**
* Constant for unit of length: picometer
*
* @stable ICU 53
*/
public static final MeasureUnit PICOMETER =
MeasureUnit.internalGetInstance("length", "picometer");
/**
* Constant for unit of length: point
*
* @stable ICU 59
*/
public static final MeasureUnit POINT = MeasureUnit.internalGetInstance("length", "point");
/**
* Constant for unit of length: ri-jp
*
* @draft ICU 78
*/
public static final MeasureUnit RI_JP = MeasureUnit.internalGetInstance("length", "ri-jp");
/**
* Constant for unit of length: rin
*
* @draft ICU 78
*/
public static final MeasureUnit RIN = MeasureUnit.internalGetInstance("length", "rin");
/**
* Constant for unit of length: rod
*
* @draft ICU 78
*/
public static final MeasureUnit ROD = MeasureUnit.internalGetInstance("length", "rod");
/**
* Constant for unit of length: shaku-cloth
*
* @draft ICU 78
*/
public static final MeasureUnit SHAKU_CLOTH =
MeasureUnit.internalGetInstance("length", "shaku-cloth");
/**
* Constant for unit of length: shaku-length
*
* @draft ICU 78
*/
public static final MeasureUnit SHAKU_LENGTH =
MeasureUnit.internalGetInstance("length", "shaku-length");
/**
* Constant for unit of length: solar-radius
*
* @stable ICU 64
*/
public static final MeasureUnit SOLAR_RADIUS =
MeasureUnit.internalGetInstance("length", "solar-radius");
/**
* Constant for unit of length: sun
*
* @draft ICU 78
*/
public static final MeasureUnit SUN = MeasureUnit.internalGetInstance("length", "sun");
/**
* Constant for unit of length: yard
*
* @stable ICU 53
*/
public static final MeasureUnit YARD = MeasureUnit.internalGetInstance("length", "yard");
/**
* Constant for unit of light: candela
*
* @stable ICU 68
*/
public static final MeasureUnit CANDELA = MeasureUnit.internalGetInstance("light", "candela");
/**
* Constant for unit of light: lumen
*
* @stable ICU 68
*/
public static final MeasureUnit LUMEN = MeasureUnit.internalGetInstance("light", "lumen");
/**
* Constant for unit of light: lux
*
* @stable ICU 54
*/
public static final MeasureUnit LUX = MeasureUnit.internalGetInstance("light", "lux");
/**
* Constant for unit of light: solar-luminosity
*
* @stable ICU 64
*/
public static final MeasureUnit SOLAR_LUMINOSITY =
MeasureUnit.internalGetInstance("light", "solar-luminosity");
/**
* Constant for unit of magnetic: tesla
*
* @draft ICU 78
*/
public static final MeasureUnit TESLA = MeasureUnit.internalGetInstance("magnetic", "tesla");
/**
* Constant for unit of magnetic: weber
*
* @draft ICU 78
*/
public static final MeasureUnit WEBER = MeasureUnit.internalGetInstance("magnetic", "weber");
/**
* Constant for unit of mass: carat
*
* @stable ICU 54
*/
public static final MeasureUnit CARAT = MeasureUnit.internalGetInstance("mass", "carat");
/**
* Constant for unit of mass: dalton
*
* @stable ICU 64
*/
public static final MeasureUnit DALTON = MeasureUnit.internalGetInstance("mass", "dalton");
/**
* Constant for unit of mass: earth-mass
*
* @stable ICU 64
*/
public static final MeasureUnit EARTH_MASS =
MeasureUnit.internalGetInstance("mass", "earth-mass");
/**
* Constant for unit of mass: fun
*
* @draft ICU 78
*/
public static final MeasureUnit FUN = MeasureUnit.internalGetInstance("mass", "fun");
/**
* Constant for unit of mass: grain
*
* @stable ICU 68
*/
public static final MeasureUnit GRAIN = MeasureUnit.internalGetInstance("mass", "grain");
/**
* Constant for unit of mass: gram
*
* @stable ICU 53
*/
public static final MeasureUnit GRAM = MeasureUnit.internalGetInstance("mass", "gram");
/**
* Constant for unit of mass: kilogram
*
* @stable ICU 53
*/
public static final MeasureUnit KILOGRAM = MeasureUnit.internalGetInstance("mass", "kilogram");
/**
* Constant for unit of mass: microgram
*
* @stable ICU 54
*/
public static final MeasureUnit MICROGRAM =
MeasureUnit.internalGetInstance("mass", "microgram");
/**
* Constant for unit of mass: milligram
*
* @stable ICU 54
*/
public static final MeasureUnit MILLIGRAM =
MeasureUnit.internalGetInstance("mass", "milligram");
/**
* Constant for unit of mass: ounce
*
* @stable ICU 53
*/
public static final MeasureUnit OUNCE = MeasureUnit.internalGetInstance("mass", "ounce");
/**
* Constant for unit of mass: ounce-troy
*
* @stable ICU 54
*/
public static final MeasureUnit OUNCE_TROY =
MeasureUnit.internalGetInstance("mass", "ounce-troy");
/**
* Constant for unit of mass: pound
*
* @stable ICU 53
*/
public static final MeasureUnit POUND = MeasureUnit.internalGetInstance("mass", "pound");
/**
* Constant for unit of mass: slug
*
* @draft ICU 78
*/
public static final MeasureUnit SLUG = MeasureUnit.internalGetInstance("mass", "slug");
/**
* Constant for unit of mass: solar-mass
*
* @stable ICU 64
*/
public static final MeasureUnit SOLAR_MASS =
MeasureUnit.internalGetInstance("mass", "solar-mass");
/**
* Constant for unit of mass: stone
*
* @stable ICU 54
*/
public static final MeasureUnit STONE = MeasureUnit.internalGetInstance("mass", "stone");
/**
* Constant for unit of mass: ton
*
* @stable ICU 54
*/
public static final MeasureUnit TON = MeasureUnit.internalGetInstance("mass", "ton");
/**
* Constant for unit of mass: tonne
*
* @stable ICU 72
*/
public static final MeasureUnit TONNE = MeasureUnit.internalGetInstance("mass", "tonne");
/**
* Constant for unit of mass: metric-ton (renamed to tonne in CLDR 42 / ICU 72).
*
* @deprecated ICU 78 use TONNE
*/
@Deprecated
public static final MeasureUnit METRIC_TON = MeasureUnit.internalGetInstance("mass", "tonne");
/**
* Constant for unit of power: gigawatt
*
* @stable ICU 54
*/
public static final MeasureUnit GIGAWATT = MeasureUnit.internalGetInstance("power", "gigawatt");
/**
* Constant for unit of power: horsepower
*
* @stable ICU 53
*/
public static final MeasureUnit HORSEPOWER =
MeasureUnit.internalGetInstance("power", "horsepower");
/**
* Constant for unit of power: kilowatt
*
* @stable ICU 53
*/
public static final MeasureUnit KILOWATT = MeasureUnit.internalGetInstance("power", "kilowatt");
/**
* Constant for unit of power: megawatt
*
* @stable ICU 54
*/
public static final MeasureUnit MEGAWATT = MeasureUnit.internalGetInstance("power", "megawatt");
/**
* Constant for unit of power: milliwatt
*
* @stable ICU 54
*/
public static final MeasureUnit MILLIWATT =
MeasureUnit.internalGetInstance("power", "milliwatt");
/**
* Constant for unit of power: watt
*
* @stable ICU 53
*/
public static final MeasureUnit WATT = MeasureUnit.internalGetInstance("power", "watt");
/**
* Constant for unit of pressure: atmosphere
*
* @stable ICU 63
*/
public static final MeasureUnit ATMOSPHERE =
MeasureUnit.internalGetInstance("pressure", "atmosphere");
/**
* Constant for unit of pressure: bar
*
* @stable ICU 65
*/
public static final MeasureUnit BAR = MeasureUnit.internalGetInstance("pressure", "bar");
/**
* Constant for unit of pressure: gasoline-energy-density
*
* @stable ICU 74
*/
public static final MeasureUnit GASOLINE_ENERGY_DENSITY =
MeasureUnit.internalGetInstance("pressure", "gasoline-energy-density");
/**
* Constant for unit of pressure: hectopascal
*
* @stable ICU 53
*/
public static final MeasureUnit HECTOPASCAL =
MeasureUnit.internalGetInstance("pressure", "hectopascal");
/**
* Constant for unit of pressure: inch-ofhg
*
* @stable ICU 53
*/
public static final MeasureUnit INCH_HG =
MeasureUnit.internalGetInstance("pressure", "inch-ofhg");
/**
* Constant for unit of pressure: kilopascal
*
* @stable ICU 64
*/
public static final MeasureUnit KILOPASCAL =
MeasureUnit.internalGetInstance("pressure", "kilopascal");
/**
* Constant for unit of pressure: megapascal
*
* @stable ICU 64
*/
public static final MeasureUnit MEGAPASCAL =
MeasureUnit.internalGetInstance("pressure", "megapascal");
/**
* Constant for unit of pressure: millibar
*
* @stable ICU 53
*/
public static final MeasureUnit MILLIBAR =
MeasureUnit.internalGetInstance("pressure", "millibar");
/**
* Constant for unit of pressure: millimeter-ofhg
*
* @stable ICU 54
*/
public static final MeasureUnit MILLIMETER_OF_MERCURY =
MeasureUnit.internalGetInstance("pressure", "millimeter-ofhg");
/**
* Constant for unit of pressure: ofhg
*
* @draft ICU 78
*/
public static final MeasureUnit OFHG = MeasureUnit.internalGetInstance("pressure", "ofhg");
/**
* Constant for unit of pressure: pascal
*
* @stable ICU 65
*/
public static final MeasureUnit PASCAL = MeasureUnit.internalGetInstance("pressure", "pascal");
/**
* Constant for unit of pressure: pound-force-per-square-inch
*
* @stable ICU 54
*/
public static final MeasureUnit POUND_PER_SQUARE_INCH =
MeasureUnit.internalGetInstance("pressure", "pound-force-per-square-inch");
/**
* Constant for unit of speed: beaufort
*
* @stable ICU 73
*/
public static final MeasureUnit BEAUFORT = MeasureUnit.internalGetInstance("speed", "beaufort");
/**
* Constant for unit of speed: kilometer-per-hour
*
* @stable ICU 53
*/
public static final MeasureUnit KILOMETER_PER_HOUR =
MeasureUnit.internalGetInstance("speed", "kilometer-per-hour");
/**
* Constant for unit of speed: knot
*
* @stable ICU 56
*/
public static final MeasureUnit KNOT = MeasureUnit.internalGetInstance("speed", "knot");
/**
* Constant for unit of speed: light-speed
*
* @stable ICU 76
*/
public static final MeasureUnit LIGHT_SPEED =
MeasureUnit.internalGetInstance("speed", "light-speed");
/**
* Constant for unit of speed: meter-per-second
*
* @stable ICU 53
*/
public static final MeasureUnit METER_PER_SECOND =
MeasureUnit.internalGetInstance("speed", "meter-per-second");
/**
* Constant for unit of speed: mile-per-hour
*
* @stable ICU 53
*/
public static final MeasureUnit MILE_PER_HOUR =
MeasureUnit.internalGetInstance("speed", "mile-per-hour");
/**
* Constant for unit of temperature: celsius
*
* @stable ICU 53
*/
public static final MeasureUnit CELSIUS =
MeasureUnit.internalGetInstance("temperature", "celsius");
/**
* Constant for unit of temperature: fahrenheit
*
* @stable ICU 53
*/
public static final MeasureUnit FAHRENHEIT =
MeasureUnit.internalGetInstance("temperature", "fahrenheit");
/**
* Constant for unit of temperature: generic
*
* @stable ICU 56
*/
public static final MeasureUnit GENERIC_TEMPERATURE =
MeasureUnit.internalGetInstance("temperature", "generic");
/**
* Constant for unit of temperature: kelvin
*
* @stable ICU 54
*/
public static final MeasureUnit KELVIN =
MeasureUnit.internalGetInstance("temperature", "kelvin");
/**
* Constant for unit of temperature: rankine
*
* @draft ICU 78
*/
public static final MeasureUnit RANKINE =
MeasureUnit.internalGetInstance("temperature", "rankine");
/**
* Constant for unit of torque: newton-meter
*
* @stable ICU 64
*/
public static final MeasureUnit NEWTON_METER =
MeasureUnit.internalGetInstance("torque", "newton-meter");
/**
* Constant for unit of torque: pound-force-foot
*
* @stable ICU 64
*/
public static final MeasureUnit POUND_FOOT =
MeasureUnit.internalGetInstance("torque", "pound-force-foot");
/**
* Constant for unit of volume: acre-foot
*
* @stable ICU 54
*/
public static final MeasureUnit ACRE_FOOT =
MeasureUnit.internalGetInstance("volume", "acre-foot");
/**
* Constant for unit of volume: barrel
*
* @stable ICU 64
*/
public static final MeasureUnit BARREL = MeasureUnit.internalGetInstance("volume", "barrel");
/**
* Constant for unit of volume: bushel
*
* @stable ICU 54
*/
public static final MeasureUnit BUSHEL = MeasureUnit.internalGetInstance("volume", "bushel");
/**
* Constant for unit of volume: centiliter
*
* @stable ICU 54
*/
public static final MeasureUnit CENTILITER =
MeasureUnit.internalGetInstance("volume", "centiliter");
/**
* Constant for unit of volume: cubic-centimeter
*
* @stable ICU 54
*/
public static final MeasureUnit CUBIC_CENTIMETER =
MeasureUnit.internalGetInstance("volume", "cubic-centimeter");
/**
* Constant for unit of volume: cubic-foot
*
* @stable ICU 54
*/
public static final MeasureUnit CUBIC_FOOT =
MeasureUnit.internalGetInstance("volume", "cubic-foot");
/**
* Constant for unit of volume: cubic-inch
*
* @stable ICU 54
*/
public static final MeasureUnit CUBIC_INCH =
MeasureUnit.internalGetInstance("volume", "cubic-inch");
/**
* Constant for unit of volume: cubic-kilometer
*
* @stable ICU 53
*/
public static final MeasureUnit CUBIC_KILOMETER =
MeasureUnit.internalGetInstance("volume", "cubic-kilometer");
/**
* Constant for unit of volume: cubic-meter
*
* @stable ICU 54
*/
public static final MeasureUnit CUBIC_METER =
MeasureUnit.internalGetInstance("volume", "cubic-meter");
/**
* Constant for unit of volume: cubic-mile
*
* @stable ICU 53
*/
public static final MeasureUnit CUBIC_MILE =
MeasureUnit.internalGetInstance("volume", "cubic-mile");
/**
* Constant for unit of volume: cubic-yard
*
* @stable ICU 54
*/
public static final MeasureUnit CUBIC_YARD =
MeasureUnit.internalGetInstance("volume", "cubic-yard");
/**
* Constant for unit of volume: cup
*
* @stable ICU 54
*/
public static final MeasureUnit CUP = MeasureUnit.internalGetInstance("volume", "cup");
/**
* Constant for unit of volume: cup-imperial
*
* @draft ICU 78
*/
public static final MeasureUnit CUP_IMPERIAL =
MeasureUnit.internalGetInstance("volume", "cup-imperial");
/**
* Constant for unit of volume: cup-jp
*
* @draft ICU 78
*/
public static final MeasureUnit CUP_JP = MeasureUnit.internalGetInstance("volume", "cup-jp");
/**
* Constant for unit of volume: cup-metric
*
* @stable ICU 56
*/
public static final MeasureUnit CUP_METRIC =
MeasureUnit.internalGetInstance("volume", "cup-metric");
/**
* Constant for unit of volume: deciliter
*
* @stable ICU 54
*/
public static final MeasureUnit DECILITER =
MeasureUnit.internalGetInstance("volume", "deciliter");
/**
* Constant for unit of volume: dessert-spoon
*
* @stable ICU 68
*/
public static final MeasureUnit DESSERT_SPOON =
MeasureUnit.internalGetInstance("volume", "dessert-spoon");
/**
* Constant for unit of volume: dessert-spoon-imperial
*
* @stable ICU 68
*/
public static final MeasureUnit DESSERT_SPOON_IMPERIAL =
MeasureUnit.internalGetInstance("volume", "dessert-spoon-imperial");
/**
* Constant for unit of volume: dram
*
* @stable ICU 68
*/
public static final MeasureUnit DRAM = MeasureUnit.internalGetInstance("volume", "dram");
/**
* Constant for unit of volume: drop
*
* @stable ICU 68
*/
public static final MeasureUnit DROP = MeasureUnit.internalGetInstance("volume", "drop");
/**
* Constant for unit of volume: fluid-ounce
*
* @stable ICU 54
*/
public static final MeasureUnit FLUID_OUNCE =
MeasureUnit.internalGetInstance("volume", "fluid-ounce");
/**
* Constant for unit of volume: fluid-ounce-imperial
*
* @stable ICU 64
*/
public static final MeasureUnit FLUID_OUNCE_IMPERIAL =
MeasureUnit.internalGetInstance("volume", "fluid-ounce-imperial");
/**
* Constant for unit of volume: fluid-ounce-metric
*
* @draft ICU 78
*/
public static final MeasureUnit FLUID_OUNCE_METRIC =
MeasureUnit.internalGetInstance("volume", "fluid-ounce-metric");
/**
* Constant for unit of volume: gallon
*
* @stable ICU 54
*/
public static final MeasureUnit GALLON = MeasureUnit.internalGetInstance("volume", "gallon");
/**
* Constant for unit of volume: gallon-imperial
*
* @stable ICU 57
*/
public static final MeasureUnit GALLON_IMPERIAL =
MeasureUnit.internalGetInstance("volume", "gallon-imperial");
/**
* Constant for unit of volume: hectoliter
*
* @stable ICU 54
*/
public static final MeasureUnit HECTOLITER =
MeasureUnit.internalGetInstance("volume", "hectoliter");
/**
* Constant for unit of volume: jigger
*
* @stable ICU 68
*/
public static final MeasureUnit JIGGER = MeasureUnit.internalGetInstance("volume", "jigger");
/**
* Constant for unit of volume: koku
*
* @draft ICU 78
*/
public static final MeasureUnit KOKU = MeasureUnit.internalGetInstance("volume", "koku");
/**
* Constant for unit of volume: kosaji
*
* @draft ICU 78
*/
public static final MeasureUnit KOSAJI = MeasureUnit.internalGetInstance("volume", "kosaji");
/**
* Constant for unit of volume: liter
*
* @stable ICU 53
*/
public static final MeasureUnit LITER = MeasureUnit.internalGetInstance("volume", "liter");
/**
* Constant for unit of volume: megaliter
*
* @stable ICU 54
*/
public static final MeasureUnit MEGALITER =
MeasureUnit.internalGetInstance("volume", "megaliter");
/**
* Constant for unit of volume: milliliter
*
* @stable ICU 54
*/
public static final MeasureUnit MILLILITER =
MeasureUnit.internalGetInstance("volume", "milliliter");
/**
* Constant for unit of volume: osaji
*
* @draft ICU 78
*/
public static final MeasureUnit OSAJI = MeasureUnit.internalGetInstance("volume", "osaji");
/**
* Constant for unit of volume: pinch
*
* @stable ICU 68
*/
public static final MeasureUnit PINCH = MeasureUnit.internalGetInstance("volume", "pinch");
/**
* Constant for unit of volume: pint
*
* @stable ICU 54
*/
public static final MeasureUnit PINT = MeasureUnit.internalGetInstance("volume", "pint");
/**
* Constant for unit of volume: pint-imperial
*
* @draft ICU 78
*/
public static final MeasureUnit PINT_IMPERIAL =
MeasureUnit.internalGetInstance("volume", "pint-imperial");
/**
* Constant for unit of volume: pint-metric
*
* @stable ICU 56
*/
public static final MeasureUnit PINT_METRIC =
MeasureUnit.internalGetInstance("volume", "pint-metric");
/**
* Constant for unit of volume: quart
*
* @stable ICU 54
*/
public static final MeasureUnit QUART = MeasureUnit.internalGetInstance("volume", "quart");
/**
* Constant for unit of volume: quart-imperial
*
* @stable ICU 68
*/
public static final MeasureUnit QUART_IMPERIAL =
MeasureUnit.internalGetInstance("volume", "quart-imperial");
/**
* Constant for unit of volume: sai
*
* @draft ICU 78
*/
public static final MeasureUnit SAI = MeasureUnit.internalGetInstance("volume", "sai");
/**
* Constant for unit of volume: shaku
*
* @draft ICU 78
*/
public static final MeasureUnit SHAKU = MeasureUnit.internalGetInstance("volume", "shaku");
/**
* Constant for unit of volume: tablespoon
*
* @stable ICU 54
*/
public static final MeasureUnit TABLESPOON =
MeasureUnit.internalGetInstance("volume", "tablespoon");
/**
* Constant for unit of volume: teaspoon
*
* @stable ICU 54
*/
public static final MeasureUnit TEASPOON =
MeasureUnit.internalGetInstance("volume", "teaspoon");
/**
* Constant for unit of volume: to-jp
*
* @draft ICU 78
*/
public static final MeasureUnit TO_JP = MeasureUnit.internalGetInstance("volume", "to-jp");
// End generated MeasureUnit constants
/* Private */
private Object writeReplace() throws ObjectStreamException {
return new MeasureUnitProxy(type, subType);
}
/**
* @return this object as a SingleUnitImpl.
* @throws UnsupportedOperationException if this object could not be converted to a single unit.
*/
// In ICU4C, this is SingleUnitImpl::forMeasureUnit().
private SingleUnitImpl getSingleUnitImpl() {
if (measureUnitImpl == null) {
return MeasureUnitImpl.forIdentifier(getIdentifier()).getSingleUnitImpl();
}
return measureUnitImpl.getSingleUnitImpl();
}
/**
* @return this object in a MeasureUnitImpl form.
* @internal
* @deprecated This API is ICU internal only.
*/
@Deprecated
public MeasureUnitImpl getCopyOfMeasureUnitImpl() {
return this.measureUnitImpl == null
? MeasureUnitImpl.forIdentifier(getIdentifier())
: this.measureUnitImpl.copy();
}
/**
* @return this object in a MeasureUnitImpl form.
*/
private MeasureUnitImpl getMaybeReferenceOfMeasureUnitImpl() {
return this.measureUnitImpl == null
? MeasureUnitImpl.forIdentifier(getIdentifier())
: this.measureUnitImpl;
}
static final class MeasureUnitProxy implements Externalizable {
private static final long serialVersionUID = -3910681415330989598L;
private String type;
private String subType;
public MeasureUnitProxy(String type, String subType) {
this.type = type;
this.subType = subType;
}
// Must have public constructor, to enable Externalizable
public MeasureUnitProxy() {}
@Override
public void writeExternal(ObjectOutput out) throws IOException {
out.writeByte(0); // version
out.writeUTF(type);
out.writeUTF(subType);
out.writeShort(0); // allow for more data.
}
@Override
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
/* byte version = */ in.readByte(); // version
type = in.readUTF();
subType = in.readUTF();
// allow for more data from future version
int extra = in.readShort();
if (extra > 0) {
byte[] extraBytes = new byte[extra];
in.read(extraBytes, 0, extra);
}
}
private Object readResolve() throws ObjectStreamException {
return MeasureUnit.internalGetInstance(type, subType);
}
}
}