Java Hex Calculate toHexadecimal(final byte[] message)

Description

to Hexadecimal

License

Apache License

Declaration

public static String toHexadecimal(final byte[] message) 

Method Source Code

//package com.java2s;
/*/*from w ww  .ja va2s.c o  m*/
 * =============================================================================
 * 
 *   Copyright (c) 2007-2010, The JASYPT team (http://www.jasypt.org)
 * 
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 * 
 * =============================================================================
 */

public class Main {
    private static char[] hexDigits = { '0', '1', '2', '3', '4', '5', '6',
            '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };

    public static String toHexadecimal(final byte[] message) {
        if (message == null) {
            return null;
        }
        final StringBuffer buffer = new StringBuffer();
        for (int i = 0; i < message.length; i++) {
            int curByte = message[i] & 0xff;
            buffer.append(hexDigits[(curByte >> 4)]);
            buffer.append(hexDigits[curByte & 0xf]);
        }
        return buffer.toString();
    }
}

Related

1. toHexaDecimal(byte[] bytesToConvert)
2. toHexadecimal(byte[] digest)
3. toHexadecimal(byte[] digest)
4. toHexadecimal(final byte[] array)
5. toHexadecimal(final byte[] in)
6. toHexadecimealString(byte[] data, int length, boolean uppercase)
7. toHexArray(byte[] binary)
8. toHexaString(byte[] data)
9. toHexaString(int value)