Java Bits Convert to bitsToBase64(byte data)

Description

Converts a 6-bit value to the corresponding Base64 char

License

Open Source License

Declaration

private static char bitsToBase64(byte data) 

Method Source Code

//package com.java2s;
/**// ww  w. j  av a 2  s .  co m
* 
* Copyright (C) 2004-2008 FhG Fokus
*
* This file is part of the FhG Fokus UPnP stack - an open source UPnP implementation
* with some additional features
*
* You can redistribute the FhG Fokus UPnP stack and/or modify it
* under the terms of the GNU General Public License Version 3 as published by
* the Free Software Foundation.
*
* For a license to use the FhG Fokus UPnP stack software under conditions
* other than those described here, or to purchase support for this
* software, please contact Fraunhofer FOKUS by e-mail at the following
* addresses:
*   upnpstack@fokus.fraunhofer.de
*
* The FhG Fokus UPnP stack 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, see <http://www.gnu.org/licenses/>
* or write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/

public class Main {
    /** Converts a 6-bit value to the corresponding Base64 char */
    private static char bitsToBase64(byte data) {
        if (data >= 0 && data < 26) {
            return (char) (data + 'A');
        }
        if (data >= 26 && data < 52) {
            return (char) (data - 26 + 'a');
        }
        if (data >= 52 && data < 62) {
            return (char) (data - 52 + '0');
        }
        if (data == 62) {
            return '+';
        }
        if (data == 63) {
            return '/';
        }
        return (char) 0;
    }
}

Related

1. bitsRequired(double minValue, double maxValue)
2. bitsRequired(int value)
3. bitsRequiredForFraction(String floatnumber)
4. bitsString2(byte b)
5. bitsTo8Bytes(boolean[] bits)
6. bitsToDouble(String bits, double min, double max, int splits)
7. bitsToFloats(boolean[] b)
8. bitsToTransform(int src, int target)
9. bitStr(long value)