public static Messages getInstance ( Locale locale , Class < ? > cls ) { Messages instance = null ; locale = ( locale == null ) ? Locale . getDefault ( ) : locale ; String bundleKey = ( cls == null ) ? BUNDLE_NAME : getBundleName ( cls ) ; String localeKey = locale . getLanguage ( ) ; if ( messageTable . contains ( bundleKey , localeKey ) ) { instance = messageTable . get ( bundleKey , localeKey ) ; } else { synchronized ( Messages . class ) { if ( instance == null ) { instance = new Messages ( locale , bundleKey ) ; messageTable . put ( bundleKey , localeKey , instance ) ; } } } return instance ; }
Get a Messages instance that has been localized for the given locale or the default locale if locale is null . Note that passing an unknown locale returns the default messages .