Action Point Of Sale Code

package cell;
import java.io.*;
class Profile
{
 private static String application = "ActionPOS"; // such a hack:
 // whenever we copy this package, we must manually change this to the new application's name.
 private static String entity;
 static File rooted(String name)
 {
  File f = new File(System.getProperty("user.home") );
  f = new File(f, application);
  if (entity != null)
  f = new File(f, entity);
  if (name != null)
  f = new File(f, name);
  return  f;
  }
 public static void setEntity(String v)
 {
  entity = v;
  rooted(null).mkdirs();
  }
 static
 {
  setEntity(null);
  }
 }