java :: Java Spacer Enum :: for outputting fixed length string with paddings of spaces or zeroes

output.txt

Output from SpacerTest.java
----------------------------
[Something      ]
[      Something]
[000000000000123]
[123000000000000]
[So]
[So]
[12]
[12]

Spacer.java

public enum Spacer {

	ONE(1),
	TWO(2),
	NINE(9),
	FIFTEEN(15),
	// Add here - whatever number you like to use
	TWENTY(20);

	// FIELDS
	private final int size;
	private final String fmtrLt;
	private final String fmtrRt;
	private final String strTxt;
	private final String intTxt;

	// CONSTANTS
	private static final char SPACE = ' ';
	private static final char ZERO = '0';
	private static final char DOT = '.';
	private static final char DASH = '-';
	private static final char STR_CONVERTER = 's';
	private static final String ARG_INDEX = "%1$";
	private static final String EMPTY = "";

	// CONSTRUCTOR
	Spacer(final int n) {
		size = n;
		fmtrLt = ARG_INDEX + n + DOT + n + STR_CONVERTER;
		fmtrRt = ARG_INDEX + DASH + n + DOT + n + STR_CONVERTER;
		strTxt = String.format(fmtrLt, EMPTY);
		intTxt = String.format(fmtrRt, EMPTY).replace(SPACE, ZERO);
	}

	public String getStrTxt() {
		return strTxt;
	}

	public String getStrTxt(final String s) {
		return getStrTxt(s, false);
	}

	public String getStrTxt(final String s, final boolean ltPadding) {
		return ltPadding ? String.format(fmtrLt, s) : String.format(fmtrRt, s);
	}

	public String getIntTxt() {
		return intTxt;
	}

	public String getIntTxt(final int i) {
		return getIntTxt(i, false);
	}

	public String getIntTxt(final int i, final boolean rtPadding) {
		return (rtPadding ? String.format(fmtrRt, i) : String.format(fmtrLt, i)).replace(SPACE, ZERO);
	}

	public static Spacer find(final int n) {
		Spacer returnSpacer = null;
		for (Spacer spacer : values()) {
			if (spacer.size == n) {
				returnSpacer = spacer;
				break;
			}
		}
		return returnSpacer;
	}
}

SpacerTest.java

public class SpacerTest {
	public static void main(String[] args) {
		final String s = "Something";
		final int n = 123;

		logn("[%s]", Spacer.FIFTEEN.getStrTxt(s));
		logn("[%s]", Spacer.FIFTEEN.getStrTxt(s, true));
		logn("[%s]", Spacer.FIFTEEN.getIntTxt(n));
		logn("[%s]", Spacer.FIFTEEN.getIntTxt(n, true));

		logn("[%s]", Spacer.TWO.getStrTxt(s));
		logn("[%s]", Spacer.TWO.getStrTxt(s, true));
		logn("[%s]", Spacer.TWO.getIntTxt(n));
		logn("[%s]", Spacer.TWO.getIntTxt(n, true));
	}
}