Returns a new DateFormat instance which formats date and time with the given formatting style for the specified locale.

Parameters:

dateStyle		the given date formatting style. Either one of DateFormat.SHORT, DateFormat.MEDIUM, DateFormat.LONG, or DateFormat.FULL.
timeStyle		the given time formatting style. Either one of DateFormat.SHORT, DateFormat.MEDIUM, DateFormat.LONG, or DateFormat.FULL.
locale		the desired locale.

Returns:  a date/time formatter.

Exceptions:

IllegalArgumentException		if dateStyle or timeStyle is invalid, or if locale isn't one of the locales returned from java.util.spi.LocaleServiceProvider.getAvailableLocales().
NullPointerException		if locale is null

See also:
java.text.DateFormat.getDateTimeInstance(int, int, java.util.Locale)