Java Byte Array to Hex String bytesToHexString(byte[] data)

Description

Converts a byte array to a string with hex values.

License

LGPL

Parameter

Parameter	Description
data	Data to convert

Return

the encoded string

Declaration

public static String bytesToHexString(byte[] data) 

Method Source Code

//package com.java2s;
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1//from   ww  w. j  a v a 2 s . c  o  m
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is "SMS Library for the Java platform".
 *
 * The Initial Developer of the Original Code is Markus Eriksson.
 * Portions created by the Initial Developer are Copyright (C) 2002
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

public class Main {
    /**
     * Converts a byte array to a string with hex values.
     * 
     * @param data
     *            Data to convert
     * @return the encoded string
     */
    public static String bytesToHexString(byte[] data) {
        StringBuilder hexStrBuff = new StringBuilder(data.length * 2);

        for (byte aData : data) {
            String hexByteStr = Integer.toHexString(aData & 0xff)
                    .toUpperCase();
            if (hexByteStr.length() == 1) {
                hexStrBuff.append("0");
            }
            hexStrBuff.append(hexByteStr);
        }

        return hexStrBuff.toString();
    }
}

Related

1. bytesToHexString(byte[] bytes)
2. bytesToHexString(byte[] bytes)
3. bytesToHexString(byte[] bytes)
4. bytesToHexString(byte[] bytes)
5. bytesToHexString(byte[] bytes)
6. bytesToHexString(byte[] data)
7. bytesToHexString(byte[] data, int fromIndex, int toIndex)
8. bytesToHexString(byte[] data, int offset, int length)
9. bytesToHexString(byte[] hasher)