public String getLabelFormat() {
        return this.labelFormat;   
    }
    
    /**
     * Returns the number formatter.
     *
     * @return The number formatter (possibly <code>null</code>).
     */
    public NumberFormat getNumberFormat() {
        return this.numberFormat;
    }

    /**
     * Returns the date formatter.
     *
     * @return The date formatter (possibly <code>null</code>).
     */
    public DateFormat getDateFormat() {
        return this.dateFormat;