/*
* $Id$
*
* Copyright (C) 2003-2015 JNode.org
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.driver.bus.usb;
/**
* @author Ewout Prangsma (epr@users.sourceforge.net)
*/
public class USBConfiguration extends AbstractDeviceItem {
/**
* The descriptor of this configuration
*/
private final ConfigurationDescriptor descr;
/**
* The interfaces
*/
private final USBInterface[] interfaces;
/**
* Initialize this instance.
*
* @param descr
*/
public USBConfiguration(USBDevice device, ConfigurationDescriptor descr) {
super(device);
this.descr = descr;
this.interfaces = new USBInterface[descr.getNumInterfaces()];
}
/**
* @return Returns the descr.
*/
public final ConfigurationDescriptor getDescriptor() {
return this.descr;
}
/**
* Gets a specific interface.
*/
public final USBInterface getInterface(int index) {
return this.interfaces[index];
}
/**
* @param index The index of the interface
* @param intf The interface to set.
*/
final void setInterface(int index, USBInterface intf) {
if (this.interfaces[index] != null) {
throw new SecurityException("Cannot overwrite a specific interface");
} else {
this.interfaces[index] = intf;
}
}
/**
* @see java.lang.Object#toString()
*/
public String toString() {
final StringBuffer b = new StringBuffer();
b.append("DESCR:");
b.append(descr);
b.append(", INTFS{");
for (int i = 0; i < interfaces.length; i++) {
if (i > 0) {
b.append(", ");
}
b.append(interfaces[i]);
}
b.append('}');
return b.toString();
}
}