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Backport of HV-2114 to 9.0 Add support for Korean foreigner RRN validation #1643

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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,16 @@
*/
public class KorRRNValidator implements ConstraintValidator<KorRRN, CharSequence> {

private static final List<Integer> GENDER_DIGIT = List.of( 1, 2, 3, 4 );
// Gender digit in Korean Resident Registration Number (RRN):
// 1: Male, born 1900–1999
// 2: Female, born 1900–1999
// 3: Male, born 2000–2099
// 4: Female, born 2000–2099
// 5: Foreign male, born 1900–1999
// 6: Foreign female, born 1900–1999
// 7: Foreign male, born 2000–2099
// 8: Foreign female, born 2000–2099
private static final List<Integer> GENDER_DIGIT = List.of( 1, 2, 3, 4, 5, 6, 7, 8 );
// Check sum weight for ModUtil
private static final int[] CHECK_SUM_WEIGHT = new int[] { 5, 4, 3, 2, 9, 8, 7, 6, 5, 4, 3, 2 };
// index of the digit representing the gender
Expand Down Expand Up @@ -90,7 +99,7 @@ private static boolean isValidDate(final String rrn) {
if ( month < 1 || month > 12 || day < 1 || day > 31 ) {
return false;
}
return day <= 31 && ( day <= 30 || ( month != 4 && month != 6 && month != 9 && month != 11 ) ) && ( day <= 29 || month != 2 );
return ( day <= 30 || month != 4 && month != 6 && month != 9 && month != 11 ) && ( day <= 29 || month != 2 );
}

private static boolean isValidLength(String rrn) {
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,6 @@ void setUp() {
// valid RRN
@Test
void testBeforeOctober2020OnlyAttr() {

assertValidRRN( "861224-2567484" );
assertValidRRN( "960223-2499378" );
assertValidRRN( "790707-1133360" );
Expand Down Expand Up @@ -71,6 +70,14 @@ void invalidDate() {
assertInvalidRRN( "999999-6609491" );
}

@Test
void testAlwaysForeignerGenderDigits() {
assertValidRRN( "850101-5000005" );
assertValidRRN( "920202-6000003" );
assertValidRRN( "010101-7000006" );
assertValidRRN( "030303-8000001" );
}

// Invalid RRN Length
@Test
void invalidLength() {
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -47,6 +47,14 @@ void testNeverAttr() {
assertValidRRN( "750519-1404601" );
}

@Test
void testNeverForeignerGenderDigits() {
assertValidRRN( "850101-5000000" );
assertValidRRN( "920202-6000000" );
assertValidRRN( "010101-7000000" );
assertValidRRN( "030303-8000000" );
}

/**
* The test succeeds without hyphen ('-')
*/
Expand Down