[loc-en-dev] Error handling in LocaleBuilder and forLanguageTag

[Naoto Sato]

Sorry, but the current link to 'forLanguageTag()' in the following page 
is broken:

http://sites.google.com/site/openjdklocale/apis/locale

Thus I asked the first question.

Naoto

Yoshito Umaoka wrote:
> Naoto Sato wrote:
>> Folks,
>>
>> I have two comments as follows:
>>
>> - Locale.forLanguageTag(): Please describe how the lenient behavior 
>> works in the spec.  This should not be implementation dependent.
> 
>     * Returns a locale for the specified language tag string.  If the
>     * specified language tag contains any non-well-formed subtags, the 
> first
>     * such subtag and all following subtags are ignored.
> 
> This is the current JavaDoc description.  I think we'll just refer BCP47 
> for subtag validation.  Or, put the current BCP47 langtag BNF here.  I 
> actually think we should update the API doc for Locale class and explain 
> the relationship with BCP47 language tag / what is 
> well-formed/ill-formed and etc.
> 
>>
>> - What happens with Builder.setLanguageTag(), if some other setXXX()s 
>> are previously called and they conflict?  Are they reset strictly to 
>> setLanguageTag(), or superset tag is created, or an exception?
> Builder#setLocale and setLanguageTag will overwrite all fields.  For 
> example,
> 
> new Builder().setRegion("US").setLanguageTag("en").create()
> 
> will return Locale en, not en_US.
> 
> -Yoshito


-- 
Naoto Sato