uniqueidgenerator.java

来自「P2P协议GUNTELLA的java源代码」· Java 代码 · 共 57 行

/*
 * Copyright (C) 2000-2001  Ken McCrary
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Email: [e-mail]
 */
package com.kenmccrary.jtella.util;

/**
 *   UniqueIDGenerator (sort of)
 *
 *
 */
public class UniqueIDGenerator
{

  /**
   *  Generates a value that remotely resembles a windows GUID
   *
   */
  public static short[] gen()
  {
     short [] guid = { (short)(Math.random() * 0xFF),
                       (short)(Math.random() * 0xFF),
                       (short)(Math.random() * 0xFF),
                       (short)(Math.random() * 0xFF),
                       (short)(Math.random() * 0xFF),
                       (short)(Math.random() * 0xFF),
                       (short)(Math.random() * 0xFF),
                       (short)(Math.random() * 0xFF),
                       (short)(Math.random() * 0xFF),
                       (short)(Math.random() * 0xFF),
                       (short)(Math.random() * 0xFF),
                       (short)(Math.random() * 0xFF),
                       (short)(Math.random() * 0xFF),
                       (short)(Math.random() * 0xFF),
                       (short)(Math.random() * 0xFF),
                       (short)(Math.random() * 0xFF),
                       };

    return guid;  
  }
}