private Formatter initializeFormatter() {
		Formatter formatter;
		String format = this.configuration.getMessageFormat();
		String separator = this.configuration.getMessageSeparator();
		if (separator != null) {
			formatter = new SimpleFormatter(format, DISTANCE_CALLER_GIVE_FORMAT, separator);
		} else {
			formatter = new SimpleFormatter(format, DISTANCE_CALLER_GIVE_FORMAT);
		}
		return formatter;
	}