Java Hex Calculate toHexString(byte b)

Description

to Hex String

License

Open Source License

Declaration

public static String toHexString(byte b) 

Method Source Code

//package com.java2s;
/*//  ww w .  ja va 2  s  .  c  o m
 * /////////////////////////////////////////////////////////////////////////////
 * // This file is part of the "Hyrax Data Server" project.
 * //
 * //
 * // Copyright (c) 2013 OPeNDAP, Inc.
 * // Author: Nathan David Potter  <ndp@opendap.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
 * //
 * // You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
 * /////////////////////////////////////////////////////////////////////////////
 */

public class Main {
    public static String toHexString(byte b) {

        int base;

        String s;

        base = ((int) b) & 0xFF;
        s = Integer.toHexString(base);
        if (base < 16)
            s = "0" + s;

        return (s);

    }

    public static String toHexString(int i) {

        String s;

        s = Integer.toHexString(i);

        for (int j = 0, k = 1; j < 7; j++) {
            k *= 16;
            System.out.println("k: " + k);

            if (i < k)
                s = "0" + s;
        }

        return (s);
    }

    public static String toHexString(int i, int pad) {

        String s;

        s = Integer.toHexString(i);

        if (pad > 8)
            pad = 7;
        else
            pad = pad - 1;

        for (int j = 0, k = 1; j < pad; j++) {
            k *= 16;
            //System.out.println("k: "+k);

            if (i < k)
                s = "0" + s;
        }

        return (s);
    }
}

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