Skip to content

add countryCode #1460

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 3 commits into
base: master
Choose a base branch
from
+327 −2
Open

add countryCode #1460

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
c2e7a7b
add countryCode
jack5505 Oct 6, 2025
191f890
return import style
jack5505 Oct 7, 2025
e27a418
fix it
jack5505 Oct 7, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
297 changes: 295 additions & 2 deletions src/main/java/org/apache/commons/lang3/LocaleUtils.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -21,9 +21,12 @@
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
Expand All @@ -46,6 +49,296 @@ public class LocaleUtils {
/**
* Avoids synchronization, initializes on demand.
*/
private static final Map<String, String> ISO2_TO_NUMERIC;
static {
final Map<String, String> numeric = new HashMap<>();
numeric.put("AF", "004");
numeric.put("AL", "008");
numeric.put("DZ", "012");
numeric.put("AS", "016");
numeric.put("AD", "020");
numeric.put("AO", "024");
numeric.put("AI", "660");
numeric.put("AQ", "010");
numeric.put("AG", "028");
numeric.put("AR", "032");
numeric.put("AM", "051");
numeric.put("AW", "533");
numeric.put("AU", "036");
numeric.put("AT", "040");
numeric.put("AZ", "031");
numeric.put("BS", "044");
numeric.put("BH", "048");
numeric.put("BD", "050");
numeric.put("BB", "052");
numeric.put("BY", "112");
numeric.put("BE", "056");
numeric.put("BZ", "084");
numeric.put("BJ", "204");
numeric.put("BM", "060");
numeric.put("BT", "064");
numeric.put("BO", "068");
numeric.put("BQ", "535");
numeric.put("BA", "070");
numeric.put("BW", "072");
numeric.put("BV", "074");
numeric.put("BR", "076");
numeric.put("IO", "086");
numeric.put("BN", "096");
numeric.put("BG", "100");
numeric.put("BF", "854");
numeric.put("BI", "108");
numeric.put("CV", "132");
numeric.put("KH", "116");
numeric.put("CM", "120");
numeric.put("CA", "124");
numeric.put("KY", "136");
numeric.put("CF", "140");
numeric.put("TD", "148");
numeric.put("CL", "152");
numeric.put("CN", "156");
numeric.put("CX", "162");
numeric.put("CC", "166");
numeric.put("CO", "170");
numeric.put("KM", "174");
numeric.put("CG", "178");
numeric.put("CD", "180");
numeric.put("CK", "184");
numeric.put("CR", "188");
numeric.put("CI", "384");
numeric.put("HR", "191");
numeric.put("CU", "192");
numeric.put("CW", "531");
numeric.put("CY", "196");
numeric.put("CZ", "203");
numeric.put("DK", "208");
numeric.put("DJ", "262");
numeric.put("DM", "212");
numeric.put("DO", "214");
numeric.put("EC", "218");
numeric.put("EG", "818");
numeric.put("SV", "222");
numeric.put("GQ", "226");
numeric.put("ER", "232");
numeric.put("EE", "233");
numeric.put("SZ", "748");
numeric.put("ET", "231");
numeric.put("FK", "238");
numeric.put("FO", "234");
numeric.put("FJ", "242");
numeric.put("FI", "246");
numeric.put("FR", "250");
numeric.put("GF", "254");
numeric.put("PF", "258");
numeric.put("TF", "260");
numeric.put("GA", "266");
numeric.put("GM", "270");
numeric.put("GE", "268");
numeric.put("DE", "276");
numeric.put("GH", "288");
numeric.put("GI", "292");
numeric.put("GR", "300");
numeric.put("GL", "304");
numeric.put("GD", "308");
numeric.put("GP", "312");
numeric.put("GU", "316");
numeric.put("GT", "320");
numeric.put("GG", "831");
numeric.put("GN", "324");
numeric.put("GW", "624");
numeric.put("GY", "328");
numeric.put("HT", "332");
numeric.put("HM", "334");
numeric.put("VA", "336");
numeric.put("HN", "340");
numeric.put("HK", "344");
numeric.put("HU", "348");
numeric.put("IS", "352");
numeric.put("IN", "356");
numeric.put("ID", "360");
numeric.put("IR", "364");
numeric.put("IQ", "368");
numeric.put("IE", "372");
numeric.put("IM", "833");
numeric.put("IL", "376");
numeric.put("IT", "380");
numeric.put("JM", "388");
numeric.put("JP", "392");
numeric.put("JE", "832");
numeric.put("JO", "400");
numeric.put("KZ", "398");
numeric.put("KE", "404");
numeric.put("KI", "296");
numeric.put("KP", "408");
numeric.put("KR", "410");
numeric.put("KW", "414");
numeric.put("KG", "417");
numeric.put("LA", "418");
numeric.put("LV", "428");
numeric.put("LB", "422");
numeric.put("LS", "426");
numeric.put("LR", "430");
numeric.put("LY", "434");
numeric.put("LI", "438");
numeric.put("LT", "440");
numeric.put("LU", "442");
numeric.put("MO", "446");
numeric.put("MG", "450");
numeric.put("MW", "454");
numeric.put("MY", "458");
numeric.put("MV", "462");
numeric.put("ML", "466");
numeric.put("MT", "470");
numeric.put("MH", "584");
numeric.put("MQ", "474");
numeric.put("MR", "478");
numeric.put("MU", "480");
numeric.put("YT", "175");
numeric.put("MX", "484");
numeric.put("FM", "583");
numeric.put("MD", "498");
numeric.put("MC", "492");
numeric.put("MN", "496");
numeric.put("ME", "499");
numeric.put("MS", "500");
numeric.put("MA", "504");
numeric.put("MZ", "508");
numeric.put("MM", "104");
numeric.put("NA", "516");
numeric.put("NR", "520");
numeric.put("NP", "524");
numeric.put("NL", "528");
numeric.put("NC", "540");
numeric.put("NZ", "554");
numeric.put("NI", "558");
numeric.put("NE", "562");
numeric.put("NG", "566");
numeric.put("NU", "570");
numeric.put("NF", "574");
numeric.put("MK", "807");
numeric.put("MP", "580");
numeric.put("NO", "578");
numeric.put("OM", "512");
numeric.put("PK", "586");
numeric.put("PW", "585");
numeric.put("PS", "275");
numeric.put("PA", "591");
numeric.put("PG", "598");
numeric.put("PY", "600");
numeric.put("PE", "604");
numeric.put("PH", "608");
numeric.put("PN", "612");
numeric.put("PL", "616");
numeric.put("PT", "620");
numeric.put("PR", "630");
numeric.put("QA", "634");

numeric.put("RE", "638");
numeric.put("RO", "642");
numeric.put("RU", "643");
numeric.put("RW", "646");
numeric.put("BL", "652");
numeric.put("SH", "654");
numeric.put("KN", "659");
numeric.put("LC", "662");
numeric.put("MF", "663");
numeric.put("PM", "666");
numeric.put("VC", "670");
numeric.put("WS", "882");
numeric.put("SM", "674");
numeric.put("ST", "678");
numeric.put("SA", "682");
numeric.put("SN", "686");
numeric.put("RS", "688");
numeric.put("SC", "690");
numeric.put("SL", "694");
numeric.put("SG", "702");
numeric.put("SX", "534");
numeric.put("SK", "703");
numeric.put("SI", "705");
numeric.put("ZW", "716");
numeric.put("SB", "090");
numeric.put("SO", "706");
numeric.put("ZA", "710");
numeric.put("GS", "239");
numeric.put("SS", "728");
numeric.put("ES", "724");
numeric.put("LK", "144");
numeric.put("SD", "729");
numeric.put("SR", "740");
numeric.put("SJ", "744");
numeric.put("SE", "752");
numeric.put("CH", "756");

numeric.put("SY", "760");
numeric.put("TW", "158");
numeric.put("TJ", "762");
numeric.put("TZ", "834");
numeric.put("TH", "764");
numeric.put("TL", "626");
numeric.put("TG", "768");
numeric.put("TK", "772");
numeric.put("TO", "776");
numeric.put("TT", "780");
numeric.put("TN", "788");
numeric.put("TR", "792");
numeric.put("TM", "795");
numeric.put("TC", "796");
numeric.put("TV", "798");
numeric.put("UG", "800");
numeric.put("UA", "804");
numeric.put("AE", "784");
numeric.put("GB", "826");
numeric.put("UM", "581");
numeric.put("US", "840");
numeric.put("UY", "858");
numeric.put("UZ", "860");
numeric.put("VU", "548");
numeric.put("VE", "862");
numeric.put("VN", "704");
numeric.put("VG", "092");
numeric.put("VI", "850");
numeric.put("WF", "876");
numeric.put("EH", "732");
numeric.put("YE", "887");
numeric.put("ZM", "894");
ISO2_TO_NUMERIC = Collections.unmodifiableMap(numeric);

}

/**
*
* This method performs a reverse lookup in the ISO2_TO_NUMERIC map to find the
* two-letter country code that corresponds to the given three-digit numeric code.
*
*
* @param numeric the three-digit numeric country code (e.g., "840" for US)
* @return the corresponding two-letter ISO country code (e.g., "US"), or null if not found
* */
public static String numericToIso2(final String numeric) {
Objects.requireNonNull(numeric, "Numeric country code must not be null");
for (Map.Entry<String, String> entry : ISO2_TO_NUMERIC.entrySet()) {
if (entry.getValue().equals(numeric)) {
return entry.getKey();
}
}
return null;
}

/**
* Converts a two-letter ISO country code to its corresponding three-digit numeric code.
*
* @param iso2 the two-letter ISO country code (e.g., "US")
* @return the corresponding three-digit numeric country code (e.g., "840"), or null if not found
*/
public static String toNumeric(final String iso2) {
Objects.requireNonNull(iso2, "ISO2 country code must not be null");
return ISO2_TO_NUMERIC.getOrDefault(iso2, null);
}




private static final class SyncAvoid {

/** Private unmodifiable and sorted list of available locales. */
Expand Down Expand Up @@ -239,9 +532,9 @@ private static boolean isNumericAreaCode(final String str) {
/**
* Obtains the list of languages supported for a given country.
*
* <p>
* <pre>
* This method takes a country code and searches to find the languages available for that country. Variant locales are removed.
* </p>
* </pre>
*
* @param countryCode the 2-letter country code, null returns empty.
* @return an unmodifiable List of Locale objects, not null.
Expand Down
32 changes: 32 additions & 0 deletions src/test/java/org/apache/commons/lang3/LocaleUtilsTest.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@

import static org.apache.commons.lang3.JavaVersion.JAVA_1_4;
import static org.apache.commons.lang3.LangAssertions.assertIllegalArgumentException;
import static org.apache.commons.lang3.LangAssertions.assertNullPointerException;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotEquals;
Expand Down Expand Up @@ -517,6 +518,37 @@ void testToLocale_Locale_defaults() {
assertEquals(Locale.getDefault(), LocaleUtils.toLocale(Locale.getDefault()));
}

@Test
void testToIso2ToGetNumericCountryCode() {
assertEquals("840", LocaleUtils.toNumeric("US"));
assertEquals("860", LocaleUtils.toNumeric("UZ"));
assertEquals("643", LocaleUtils.toNumeric("RU"));
assertEquals("826", LocaleUtils.toNumeric("GB"));
assertEquals("356", LocaleUtils.toNumeric("IN"));
}

@Test
void testToIso2ToGetNumericCountryCodeInvalid() {
assertEquals("US", LocaleUtils.numericToIso2("840"));
assertEquals("UZ", LocaleUtils.numericToIso2("860"));
assertEquals("RU", LocaleUtils.numericToIso2("643"));
assertEquals("GB", LocaleUtils.numericToIso2("826"));
assertEquals("IN", LocaleUtils.numericToIso2("356"));
}

@Test
void testToIso2ToGetNumericCountryCodeInvalid2() {
assertNullPointerException(() -> LocaleUtils.toNumeric(null), "Null country code");
assertNullPointerException(() -> LocaleUtils.numericToIso2(null), "Null numeric country");
assertNull(LocaleUtils.toNumeric(""), "Empty country code");
assertNull(LocaleUtils.numericToIso2(""), "Empty numeric country");
assertNull(LocaleUtils.numericToIso2("B"), "Empty numeric country");
assertNull(LocaleUtils.numericToIso2("A"), "Empty numeric country");
}




@ParameterizedTest
@MethodSource("java.util.Locale#getISOCountries")
void testToLocaleGetIso3Country(final String country) {
Expand Down
Loading