treePrint.java

package util;

import java.io.File;
import java.io.IOException;

import Printer.Printer;

public class TreePrint {
	private Printer printer;

	public TreePrint(Printer p) {
		this.printer = p;
	}

	public void treePrint(String s) throws IOException{
		File file = new File(s);
		recursivePrint(1, file);
	}
	public void recursivePrint(int indent, File file) throws IOException {
		for (int i = 0; i < indent; i++) {
			printer.print("-");
		}
		printer.println(file.getName());
		if (file.isDirectory()) {
			File[] files = file.listFiles();
			for (int i = 0; i < files.length; i++)
				recursivePrint(indent + 4, files[i]);
		}
	}
}