private void setFieldIf ( int key , String value , String undef ) { if ( value == null ) { this . fields [ key ] = value ; } else { // Special case for language: replace BCP 47 field "root" with undefined value. if ( key == LANGUAGE && value . equals ( "root" ) ) { this . fields [ key ] = null ; } else { this . fields [ key ] = value . equals ( "" ) || value . equals ( undef ) ? null : value ; } } }
All public set methods pass through here .