Stuff

import java.util.*;import javax.usb.*;public class USBLister {  public static void main(String[] args) throws UsbException {    UsbServices services = UsbHostManager.getUsbServices( );    UsbHub root = services.getRootUsbHub( );    listDevices(root);  }  public static void listDevices(UsbHub hub) {    List devices = hub.getAttachedUsbDevices( );    Iterator iterator = devices.iterator( );    while (iterator.hasNext( )) {      UsbDevice device = (UsbDevice) iterator.next( );      System.out.println(device);      if (device.isUsbHub( )) {        listDevices((UsbHub) device);      }    }  }}