/* This file is part of the db4o object database http://www.db4o.com
Copyright (C) 2004 - 2011 Versant Corporation http://www.versant.com
db4o is free software; you can redistribute it and/or modify it under
the terms of version 3 of the GNU General Public License as published
by the Free Software Foundation.
db4o 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, see http://www.gnu.org/licenses/. */
package com.db4o.foundation;
import java.util.*;
/**
* @exclude
* @sharpen.ignore
*/
public class DalvikSignatureGenerator {
private static final Random _random = new Random();
private static int _counter;
public static String generateSignature() {
StringBuffer sb = new StringBuffer();
sb.append(Long.toHexString(System.currentTimeMillis()));
sb.append(Integer.toHexString(_counter++));
while(sb.length() < 31){
sb.append(Integer.toHexString(randomInt()));
}
return sb.toString().substring(0, 31);
}
private static int randomInt() {
return _random.nextInt();
}
}