[threeten-dev] SimpleDateFormat and DateTimeFormatter produce different result for JapaneseDate

[Frank Ding]

Hi Masayoshi
   Sorry that I haven't made the issue clearer.  The issue is what you 
mentioned, " DateTimeFormatter doesn't support the text presentation of 
the first year of an era".

Best regards,
Frank
On 4/30/2013 1:52 PM, Masayoshi Okutsu wrote:
> Hi,
>
> This one isn't reproducible with b87. Both SimpleDateFormat and 
> DateTimeFormatter produce the era name in Japanese.
>
> BTW, SimpleDateFormat and DateTimeFormatter patterns aren't 
> compatible. DateTimeFormatter doesn't support the text presentation of 
> the first year of an era, for example.
>
> Thanks,
> Masayoshi
>
> On 4/27/2013 4:18 PM, Frank Ding wrote:
>> Hi threeten guys
>>   Another issue was discovered in recent date time code (b87). Below 
>> is the test case.
>>
>>         Locale jplocale = new Locale("ja", "JP", "JP");
>>         String str;
>>         String pattern = "GGGGyyyy\u5e74 MMMM d\u65e5";
>>
>>         System.out.println("--- Calendar SimpleDateFormst ---");
>>         Calendar cal = Calendar.getInstance();
>>         cal.set(1989,0,8); // = Heisei 1
>>
>>         SimpleDateFormat format = new SimpleDateFormat(pattern, 
>> jplocale);
>>         str = format.format(cal.getTime());
>>         System.out.println("\""+pattern+"\" "+str);
>>
>>         System.out.println("--- JapaneseDate DateTimeFormatter ---");
>>         JapaneseDate date = JapaneseDate.of(1989,1,8);
>>         DateTimeFormatter dtf = 
>> DateTimeFormatter.ofPattern(pattern).withLocale(jplocale);
>>         str = date.format(dtf);
>>         System.out.println("\""+pattern+"\" "+str);
>>
>>   The actual output is  (Converted Japanese characters to Unicode by 
>> native2ascii command)
>> > --- Calendar SimpleDateFormst ---
>> > "GGGGyyyy\u5e74 MMMM d\u65e5" \u5e73\u6210\u5143\u5e74 1\u6708 8\u65e5
>> > --- JapaneseDate DateTimeFormatter ---
>> > "GGGGyyyy\u5e74 MMMM d\u65e5" Heisei0001\u5e74 1\u6708 8\u65e5
>>
>>   It looks like a bug in DateTimeFormatter.  Could anybody take a 
>> look at it and confirm?
>>
>> Best regards,
>> Frank
>>
>>
>