private String getPDFLine( String number, String name, String hexValue, String useTo, String characteristicThing) { String s = ""; s += Is.empty(number) ? "" : number + " "; s += Is.empty(name) ? "" : name + " "; s += Is.empty(hexValue) ? "" : hexValue + " "; s += Is.empty(useTo) ? "" : useTo + " "; s += Is.empty(characteristicThing) ? "" : characteristicThing + " "; return s.trim(); }