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Multipurpose library for handling commnad line interface arguments.

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package com.antiaction.common.cli;

import java.io.OutputStream;
import java.io.PrintStream;

public class ProgressableOutput extends PrintStream {

	public ProgressableOutput(OutputStream out) {
		super(out);
	}

	@Override
	public void close() {
		super.close();
	}

	@Override
	public void flush() {
		super.flush();
	}

	protected static char[] spacesArr = new char[256];

	static {
		for (int i=0; i s.length()) {
				String spaces = new String(spacesArr, 0, lastProgressWidth);
				super.print(spaces);
				super.print("\r");
			}
		}
		super.print(s);
		lastProgressWidth = s.length();
	}

	@Override
	public synchronized void print(String s) {
		if (lastProgressWidth > 0) {
			String spaces = new String(spacesArr, 0, lastProgressWidth);
			super.print("\r");
			super.print(spaces);
			super.print("\r");
			lastProgressWidth = 0;
		}
		super.print(s);
		bNL = false;
	}

	@Override
	public synchronized void println(String x) {
		if (lastProgressWidth > 0) {
			String spaces = new String(spacesArr, 0, lastProgressWidth);
			super.print("\r");
			super.print(spaces);
			super.print("\r");
			lastProgressWidth = 0;
		}
		super.println(x);
		bNL = true;
	}

}