protected final Stringifier registerNullStringifier(final String nullValue) {
		Stringifier nullStringifier = new Stringifier() {
			public String toString(Object object) {
				return nullValue;
			}
		};
		compositeStringifier.setNullStringifier(nullStringifier);
		return nullStringifier;
	}
protected final Stringifier registerNullStringifier ( final String nullValue ) { Stringifier nullStringifier = new Stringifier ( ) { public String toString ( Object object ) { return nullValue ; } } ; compositeStringifier . setNullStringifier ( nullStringifier ) ; return nullStringifier ; }
Register a stringifier for null values.