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Posted to issues@commons.apache.org by "Sebb (Created) (JIRA)" <ji...@apache.org> on 2012/02/29 21:13:58 UTC
[jira] [Created] (NET-446) Inconsistent short date handling
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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[jira] [Updated] (NET-446) Inconsistent short date handling
Posted by "Sebb (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/NET-446?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sebb updated NET-446:
---------------------
Issue Type: Improvement (was: Bug)
> Inconsistent short date handling
> --------------------------------
>
> Key: NET-446
> URL: https://issues.apache.org/jira/browse/NET-446
> Project: Commons Net
> Issue Type: Improvement
> 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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