/* Richard A. DeVenezia
 * SUGI 29 - "Greetings from the Edge"
 * www.devenezia.com/papers
 */

import java.io.*;
import java.util.*;

public class ListFiles  {

  File[] files;
  int i = -1;

  public ListFiles () {
      this(".");
  }

  public ListFiles ( String path ) {
      File dir = new File(path);
      files = dir.listFiles();
  }

  public boolean getNext () {
    i++;
    return i<files.length;
  }

  public String getName () {
    if (i<files.length)
      return files[i].getName();
    else
      return "";
  }

  public String getType () {
    if (i<files.length)
      if (files[i].isDirectory())
        return "Dir";
      else
      if (files[i].isFile())
        return "File";
      else
        return "?";
    else
      return "";
  }

  public long getLength () {
    if (i<files.length)
      return files[i].length();
    else
      return -1;
  }

  public double getModifiedAsSasDateTime () {
    if (i<files.length) {
      Calendar saszero = Calendar.getInstance();
      saszero.set(1960,Calendar.JANUARY,1,0,0,0);
      long sasmillis = files[i].lastModified() - saszero.getTimeInMillis() ;
      return sasmillis / 1000;
    }
    else
      return Double.NaN;
  }

  public static void main (String arg[]) {
    ListFiles me = new ListFiles ();
    boolean b = me.getNext();
    while (b) {
      String name = me.getName();
      long length = me.getLength();
      System.out.println (name+' '+length);
      b = me.getNext();
    }

    System.exit(0);
  }

}