internal static boolean checkNumberGroupingIsValid(
PhoneNumber number, String candidate, PhoneNumberUtil util, NumberGroupingChecker checker)
{
// TODO: Evaluate how this works for other locales (testing has been limited to NANPA regions)
// and optimise if necessary.
StringBuilder normalizedCandidate =
PhoneNumberUtil.normalizeDigits(candidate, true /* keep non-digits */);
String[] formattedNumberGroups = getNationalNumberGroups(util, number, null);
if (checker.checkGroups(util, number, normalizedCandidate, formattedNumberGroups))
{
return(true);
}
// If this didn't pass, see if there are any alternate formats, and try them instead.
PhoneMetadata alternateFormats =
MetadataManager.getAlternateFormatsForCountry(number.getCountryCode());
if (alternateFormats != null)
{
foreach (NumberFormat alternateFormat in alternateFormats.numberFormats())
{
formattedNumberGroups = getNationalNumberGroups(util, number, alternateFormat);
if (checker.checkGroups(util, number, normalizedCandidate, formattedNumberGroups))
{
return(true);
}
}
}
return(false);
}
[TestMethod] public void testAlternateFormatsContainsData()
{
// We should have some data for Germany.
PhoneMetadata germanyAlternateFormats = MetadataManager.getAlternateFormatsForCountry(49);
assertNotNull(germanyAlternateFormats);
assertTrue(germanyAlternateFormats.numberFormats().size() > 0);
}
[TestMethod] public void testAlternateFormatsFailsGracefully()
{
PhoneMetadata noAlternateFormats = MetadataManager.getAlternateFormatsForCountry(999);
assertNull(noAlternateFormats);
}
