/*
* Created on 22 juil. 2003
*
* Copyright (C) 2003, 2004, 2005, 2006 Aelitis, All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* AELITIS, SAS au capital de 46,603.30 euros
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*/
package com.frostwire.torrent;
import java.util.Arrays;
/**
* @author Olivier
*
*/
final class HashWrapper {
private byte[] hash;
private int hash_code;
public HashWrapper(byte[] _hash) {
this(_hash, 0, _hash.length);
}
public HashWrapper(byte[] _hash, int offset, int length) {
hash = new byte[length];
System.arraycopy(_hash, offset, hash, 0, length);
for (int i = 0; i < length; i++) {
hash_code = 31 * hash_code + hash[i];
}
}
public boolean equals(Object o) {
if (!(o instanceof HashWrapper))
return false;
byte[] otherHash = ((HashWrapper) o).getHash();
return Arrays.equals(hash, otherHash);
}
public byte[] getHash() {
return (hash);
}
public byte[] getBytes() {
return (hash);
}
/* (non-Javadoc)
* @see java.lang.Object#hashCode()
*/
public int hashCode() {
return (hash_code);
}
}