Java Byte Array to Long atol(byte[] s, int offset)

Description

atol

License

GNU General Public License

Declaration

public static long atol(byte[] s, int offset) 

Method Source Code

//package com.java2s;
/* util.c/*  ww  w  .  j av a2s  .  co  m*/
 *
 * various string, file, list operations.
 *
 *
 * $Id: string.c 21094 2009-06-23 00:09:26Z gsrb3d $
 *
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * 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.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 * 
 */

public class Main {
    public static long atol(byte[] s, int offset) {
        StringBuilder sb = new StringBuilder();
        char c;
        while ((c = (char) (s[offset++] & 0xFF)) != 0 && Character.isDigit(c)) {
            sb.append(c);
        }
        if (sb.length() == 0) {
            return 0L;
        }
        return Long.parseLong(sb.toString());
    }
}

Related

1. arr2long(byte[] b)
2. atol(byte[] s)
3. bufferToLong(byte[] ioBuffer)
4. byte2long(byte[] b)
5. byte2long(byte[] b)
6. byte2Long(byte[] bytes, int offset)