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From "Sebb (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (NET-446) Inconsistent short date handling
Date Wed, 29 Feb 2012 20:13:58 GMT
Inconsistent short date handling
--------------------------------

                 Key: NET-446
                 URL: https://issues.apache.org/jira/browse/NET-446
             Project: Commons Net
          Issue Type: Bug
          Components: FTP
    Affects Versions: 3.1
            Reporter: Sebb
            Priority: Minor


Most FTP servers seem to use short dates when the file date is within +/- 6 months of the
server clock.
Some may use a different strategy, for example +0 / -12 months.
The code currently (3.2 SNAPSHOT - r1295237) assumes short dates are always in the past, unless
"lenient future date" is selected, in which case a day's grace is allowed, i.e. +1 day / -364
days.

However, when dealing with Feb 29th, the code does not handle the case where the server clock
is in the following year.

Since most FTP servers use +/- 6 months for short dates, this is not generally a problem.

Equally, the code does not deal with future dates more than a day in advance, since that is
usally all that is needed for handling different time zones. (Is it likely that an FTP server
has genuine future-dated files?)

See https://issues.apache.org/jira/browse/NET-188#comment-12579253 for a suggested API to
specify short-date ranges.

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