iso6393ToLangCode
An helper function that converts an ISO 639-3 (3-letter) language code to the corresponding LanguageCode value. note: If a str does not represent a valid (3-letter) language code, the function returns the LanguageCode.DEFAULT_LANGUAGE value.
Return
The converted language code.
Since
v3.6
Parameters
str
An ISO 639-3 Language Code (@seehttp://www.sil.org/iso639-3/codes.asp)