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Posted to issues@commons.apache.org by "Sebb (JIRA)" <ji...@apache.org> on 2012/09/25 18:26:07 UTC
[jira] [Created] (LANG-828) FastDateParser does not handle
non-Gregorian calendars properly
Sebb created LANG-828:
-------------------------
Summary: FastDateParser does not handle non-Gregorian calendars properly
Key: LANG-828
URL: https://issues.apache.org/jira/browse/LANG-828
Project: Commons Lang
Issue Type: Bug
Components: lang.time.*
Affects Versions: 3.1
Reporter: Sebb
Assignee: Sebb
The following calendars are non-Gregorian [1]:
ja_JP_JP - Japanese Imperial)
th_TH (with any variant) - Thai Buddhist
This causes errors when testing round-trip conversions.
The simplest solution is to fall back to SimpleDateFormat for these calendars.
[1] http://docs.oracle.com/javase/6/docs/technotes/guides/intl/calendar.doc.html
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[jira] [Resolved] (LANG-828) FastDateParser does not handle
non-Gregorian calendars properly
Posted by "Sebb (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/LANG-828?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sebb resolved LANG-828.
-----------------------
Resolution: Fixed
URL: http://svn.apache.org/viewvc?rev=1390626&view=rev
Log:
LANG-828 FastDateParser does not handle non-Gregorian calendars properly
Use Calendar#getDisplayNames() instead of DateFormatSymbols#getEras()
Modified:
commons/proper/lang/trunk/src/main/java/org/apache/commons/lang3/time/FastDateParser.java
commons/proper/lang/trunk/src/test/java/org/apache/commons/lang3/time/FastDateParserTest.java
> FastDateParser does not handle non-Gregorian calendars properly
> ---------------------------------------------------------------
>
> Key: LANG-828
> URL: https://issues.apache.org/jira/browse/LANG-828
> Project: Commons Lang
> Issue Type: Bug
> Components: lang.time.*
> Affects Versions: 3.1
> Reporter: Sebb
> Fix For: 3.2
>
>
> The following calendars are non-Gregorian [1]:
> ja_JP_JP - Japanese Imperial)
> th_TH (with any variant) - Thai Buddhist
> This causes errors when testing round-trip conversions.
> The simplest solution is to fall back to SimpleDateFormat for these calendars.
> [1] http://docs.oracle.com/javase/6/docs/technotes/guides/intl/calendar.doc.html
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[jira] [Resolved] (LANG-828) FastDateParser does not handle
non-Gregorian calendars properly
Posted by "Sebb (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/LANG-828?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sebb resolved LANG-828.
-----------------------
Resolution: Fixed
Fix Version/s: 3.2
Assignee: (was: Sebb)
URL: http://svn.apache.org/viewvc?rev=1389976&view=rev
Log:
LANG-828 FastDateParser does not handle non-Gregorian calendars properly
Modified:
commons/proper/lang/trunk/src/changes/changes.xml
commons/proper/lang/trunk/src/main/java/org/apache/commons/lang3/time/FastDateParser.java
commons/proper/lang/trunk/src/test/java/org/apache/commons/lang3/time/FastDateParserTest.java
> FastDateParser does not handle non-Gregorian calendars properly
> ---------------------------------------------------------------
>
> Key: LANG-828
> URL: https://issues.apache.org/jira/browse/LANG-828
> Project: Commons Lang
> Issue Type: Bug
> Components: lang.time.*
> Affects Versions: 3.1
> Reporter: Sebb
> Fix For: 3.2
>
>
> The following calendars are non-Gregorian [1]:
> ja_JP_JP - Japanese Imperial)
> th_TH (with any variant) - Thai Buddhist
> This causes errors when testing round-trip conversions.
> The simplest solution is to fall back to SimpleDateFormat for these calendars.
> [1] http://docs.oracle.com/javase/6/docs/technotes/guides/intl/calendar.doc.html
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[jira] [Reopened] (LANG-828) FastDateParser does not handle
non-Gregorian calendars properly
Posted by "Sebb (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/LANG-828?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sebb reopened LANG-828:
-----------------------
Much searching and experimentation reveals that the reason for the problems is as mentioned here: [1]
i.e. DateFormatSymbols#getEras() returns a pair of strings for Gregorian calendar AD and BC; the method does not return the correct eras for th_TH or ja_JP_JP locales.
Also, these locales have long and short versions.
The solution is as mentioned in [1], i.e. use
Calendar.getDisplayNames(Calendar.ERA, Calendar.SHORT, locale);
for all locales.
[1] https://issues.apache.org/jira/browse/TRINIDAD-2126
> FastDateParser does not handle non-Gregorian calendars properly
> ---------------------------------------------------------------
>
> Key: LANG-828
> URL: https://issues.apache.org/jira/browse/LANG-828
> Project: Commons Lang
> Issue Type: Bug
> Components: lang.time.*
> Affects Versions: 3.1
> Reporter: Sebb
> Fix For: 3.2
>
>
> The following calendars are non-Gregorian [1]:
> ja_JP_JP - Japanese Imperial)
> th_TH (with any variant) - Thai Buddhist
> This causes errors when testing round-trip conversions.
> The simplest solution is to fall back to SimpleDateFormat for these calendars.
> [1] http://docs.oracle.com/javase/6/docs/technotes/guides/intl/calendar.doc.html
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