Package com.flowingcode.vaadin.addons.localecombobox

Class LocaleCountryConverter

java.lang.Object

com.flowingcode.vaadin.addons.localecombobox.LocaleCountryConverter

public class LocaleCountryConverter
extends Object

Utility class for converting between different formats of country codes.

The LocaleCountryConverter class provides methods to convert country codes from ISO 3166-1 alpha-2, alpha-3, and numeric-3 formats to the 3166-1 alpha-2 format. The class uses static methods, so no instances are needed.

Example usage:

 String alpha2Code = LocaleCountryConverter.convertToISO3166Code("ARG").orElse("Unknown");
 

See Also:

• convertToISO3166Code(String)

Constructor Summary

Constructors

Constructor	Description
LocaleCountryConverter()

Method Summary

Modifier and Type	Method	Description
static Optional<String>	convertToISO3166Code(String countryCode)	Converts a country code to its corresponding ISO 3166-1 alpha-2 code.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

LocaleCountryConverter

public LocaleCountryConverter()

Method Details

convertToISO3166Code

public static Optional<String> convertToISO3166Code(String countryCode)

Converts a country code to its corresponding ISO 3166-1 alpha-2 code.

Parameters:

countryCode - The country code to be converted. This can be in ISO 3166-1 alpha-2 format (e.g., "AR"), ISO 3166-1 alpha-3 format (e.g., "ARG"), or numeric-3 format (e.g., "032").

Returns:

An Optional containing the ISO 3166-1 alpha-2 code if the conversion is successful.