/****************************************************************************
* Copyright (C) 2012 HS Coburg.
* All rights reserved.
* Contact: ecsec GmbH (info@ecsec.de)
*
* This file is part of the Open eCard App.
*
* GNU General Public License Usage
* This file may be used under the terms of the GNU General Public
* License version 3.0 as published by the Free Software Foundation
* and appearing in the file LICENSE.GPL included in the packaging of
* this file. Please review the following information to ensure the
* GNU General Public License version 3.0 requirements will be met:
* http://www.gnu.org/copyleft/gpl.html.
*
* Other Usage
* Alternatively, this file may be used in accordance with the terms
* and conditions contained in a signed written agreement between
* you and ecsec GmbH.
*
***************************************************************************/
package org.openecard.common.util;
import java.util.Arrays;
/**
* Makes it possible to use byte arrays as keys in hashmaps
*
* @author Dirk Petrautzki <petrautzki@hs-coburg.de>
*/
public final class ByteArrayWrapper {
private final byte[] data;
public ByteArrayWrapper(byte[] data) {
if (data == null) {
throw new NullPointerException();
}
this.data = data;
}
@Override
public boolean equals(Object other) {
if (!(other instanceof ByteArrayWrapper)) {
return false;
}
return Arrays.equals(data, ((ByteArrayWrapper)other).data);
}
@Override
public int hashCode() {
return Arrays.hashCode(data);
}
}