Java Byte Create toByte(char hex)

Description

to Byte

License

Open Source License

Declaration

private static byte toByte(char hex) 

Method Source Code

//package com.java2s;
/*/*from  ww  w  .ja  v  a 2  s.c  o m*/
 * Mentawai Web Framework http://mentawai.lohis.com.br/
 * Copyright (C) 2005  Sergio Oliveira Jr. (sergio.oliveira.jr@gmail.com)
 *
 * 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 St, Fifth Floor, Boston, MA  02110-1301  USA
 */

public class Main {
    private static byte toByte(char hex) {

        switch (hex) {

        case '0':
            return 0;
        case '1':
            return 1;
        case '2':
            return 2;
        case '3':
            return 3;
        case '4':
            return 4;
        case '5':
            return 5;
        case '6':
            return 6;
        case '7':
            return 7;
        case '8':
            return 8;
        case '9':
            return 9;
        case 'A':
        case 'a':
            return 10;
        case 'B':
        case 'b':
            return 11;
        case 'C':
        case 'c':
            return 12;
        case 'D':
        case 'd':
            return 13;
        case 'E':
        case 'e':
            return 14;
        case 'F':
        case 'f':
            return 15;

        default:
            throw new IllegalArgumentException("Not a valid hex digit: " + hex);
        }
    }
}

Related

1. toByte(byte[] value)
2. toByte(char c)
3. toByte(char c)
4. toByte(char c)
5. toByte(char c)
6. toByte(double x, double gamma)
7. toByte(final byte[] buffer, final int offset)
8. toByte(final int highNibble, final int lowNibble)
9. toByte(final String bitString)