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(CU-86bbzfzvb) Feat: IsoUtils#getCountryName with the ISO 3166-1 country names, public IsoUtils#isUserAssignedCountryCode - #352
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…try names New lookup of the English short name of a country by its alpha-2, alpha-3 or numeric ISO 3166-1 code, case-insensitive and tolerant to missing or extra leading zeros in the numeric code, independent of the default locale.
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…icted to the XA-XZ ASCII range Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Summary
IsoUtils#getCountryName(code): the ISO 3166-1 English short name of a country, looked up by its alpha-2 (US), alpha-3 (USA) or numeric (840) code. Case-insensitive, tolerant to surrounding whitespace and to missing or extra leading zeros in the numeric code, independent of the default locale. Returns null for a code that is not officially assigned, including the user assigned XA-XZ range.IsoCountries.txtresource (alpha-2;alpha-3;numeric;name, 249 rows), loaded on first use. No new public type; the existingIsoUtilscountry codes list and itsaddCountry/removeCountrycustomizations are unchanged.The names cannot come from
java.util.Localeas the codes do: the JDK ships CLDR display names, 50 of the 249 differ from the ISO short names ("Antigua & Barbuda", "Turkey", "Russia", "United States"), and the JDK has no numeric codes, which the MyFormat transformation accepts since 9.4.9.Test plan
IsoUtilsTest: lookup by the three codes, case and whitespace leniency, leading zeros, locale independence (ar-EG), unknown and user assigned codes, every JDK country has a name by alpha-2 and alpha-3./gradlew testandspotlessCheckgreen