Java Long to Hex long2HexString(StringBuilder buf, long value)

Description

This method avoids the use on Long.toHexString, since this class may be used during the boot-phase when the Long class in not yet initialized.

License

Open Source License

Parameter

Parameter	Description
buf	a parameter
value	a parameter

Declaration

private static void long2HexString(StringBuilder buf, long value) 

Method Source Code

//package com.java2s;
/*/* ww  w.  ja  v  a2  s . c  o  m*/
 * $Id$
 *
 * Copyright (C) 2003-2015 JNode.org
 *
 * 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., 
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

public class Main {
    /**
     * This method avoids the use on Long.toHexString, since this class may be used
     * during the boot-phase when the Long class in not yet initialized.
     *
     * @param buf
     * @param value
     */
    private static void long2HexString(StringBuilder buf, long value) {
        //      long rem = value & 0x0F;
        int rem = (int) (value & 0x0FL);
        long q = value >>> 4;
        if (q != 0) {
            long2HexString(buf, q);
        }

        if (rem < 10) {
            buf.append((char) ('0' + rem));
        } else {
            buf.append((char) ('A' + rem - 10));
        }
    }
}

Related

1. Long2HexString(long h)
2. long2hexString(long x)
3. longToHex(long a)
4. longToHex(long l)
5. longToHex(long l, int length)
6. longToHex(long num)