/*
* $Id$
*
* 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 StringDescriptor extends AbstractDescriptor {
/**
* The cached string
*/
private String cachedString;
/**
* @param data
* @param ofs
* @param len
*/
public StringDescriptor(byte[] data, int ofs, int len) {
super(data, ofs, len);
}
/**
* @param size
*/
public StringDescriptor(int size) {
super(size);
}
/**
* Gets the actual string.
*/
public final String getString() {
if (cachedString == null) {
final int strLen = (getLength() - 2) >> 1;
final char[] str = new char[strLen];
for (int i = 0; i < strLen; i++) {
str[i] = getChar(2 + (i << 1));
}
cachedString = new String(str);
}
return cachedString;
}
}