Returns a list of matching Locale instances using the filtering mechanism defined in RFC 4647.

Parameters:

priorityList		user's Language Priority List in which each language tag is sorted in descending order based on priority or weight
locales		Locale instances used for matching
mode		filtering mode

Returns:  a list of Locale instances for matching language tags sorted in descending order based on priority or weight, or an empty list if nothing matches. The list is modifiable.

Exceptions:

NullPointerException		if priorityList or locales is null
IllegalArgumentException		if one or more extended language ranges are included in the given list when FilteringMode.REJECT_EXTENDED_RANGES is specified

Since:  1.8