/* 
 * Java libusb wrapper
 * Copyright (c) 2005-2006 Andreas Schlaepfer <spandi at users.sourceforge.net>
 *
 * http://libusbjava.sourceforge.net
 * This library is covered by the LGPL, read LGPL.txt for details.
 */
package ch.ntb.usb;

/**
 * Represents an USB interface.<br>
 * An interface is a group of alternate settings of a configuration.<br>
 * 
 */
public class Usb_Interface {

	/**
	 * Maximal number of alternate settings
	 */
	public static final int USB_MAXALTSETTING = 128; /* Hard limit */

	private Usb_Interface_Descriptor[] altsetting;

	private int num_altsetting;

	@Override
	public String toString() {
		return "Usb_Interface num_altsetting: 0x"
				+ Integer.toHexString(num_altsetting);
	}

	/**
	 * Retuns an array of interface descriptors.<br>
	 * 
	 * @return an array of interface descriptors
	 */
	public Usb_Interface_Descriptor[] getAltsetting() {
		return altsetting;
	}

	/**
	 * Returns the number of alternate settings.<br>
	 * 
	 * @return the number of alternate settings
	 */
	public int getNumAltsetting() {
		return num_altsetting;
	}

}