DateValidator considers "02/29" with format "MM/dd" invalid
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Key: VALIDATOR-221
URL: https://issues.apache.org/jira/browse/VALIDATOR-221
Project: Commons Validator
Issue Type: Bug
Affects Versions: 1.3.1 Release
Environment: Windows XP, Java 1.5.0_04
Reporter: Carsten Drossel
Priority: Minor
When the date pattern contains only day and month the isValid(..)-method of
DateValidator returns false for the value Feb. 29th.
Here is a JUnit test that fails:
public void testFebruary29th() throws Exception {
assertTrue( DateValidator.getInstance().isValid( "02/29", "MM/dd", true ) );
}
The DateValidator uses the parse(..)-method of SimpleDateFormat for the
validation. This method appears to complete any date using 01/01/1970 00:00.
Since 1970 was not a leap year a ParseException is thrown for the input "02/29"
with the format "MM/dd" because 02/29/1970 is not a valid date.
But IMHO "02/29" should be valid. An example where it makes sense is a search
for persons with a certain birthday.
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