Java Hex Convert To fromHexString(String hexString)

Description

From hex string.

License

Open Source License

Parameter

Parameter	Description
hexString	the hex string to convert

Return

the byte[] the converted byte array

Declaration

public static byte[] fromHexString(String hexString) 

Method Source Code

//package com.java2s;
/*/*from  w w w  . j a  va 2  s.c o  m*/
 * Copyright 2009 Jagornet Technologies, LLC.  All Rights Reserved.
 *
 * This software is the proprietary information of Jagornet Technologies, LLC. 
 * Use is subject to license terms.
 *
 */

public class Main {
    /**
     * From hex string.
     * 
     * @param hexString the hex string to convert
     * 
     * @return the byte[] the converted byte array
     */
    public static byte[] fromHexString(String hexString) {
        if (hexString != null) {
            int strlen = hexString.length();
            int blen = strlen / 2 + strlen % 2;
            byte[] barray = new byte[blen];
            int i = 0;
            int j = 0;
            if (strlen % 2 > 0) {
                // if odd number of characters, prepend a zero
                hexString = "0" + hexString;
            }
            while (i < hexString.length()) {
                int hex = Integer.parseInt(hexString.substring(i, i + 2), 16);
                barray[j] = (byte) hex;
                i += 2;
                j++;
            }
            return barray;
        }
        return null;
    }
}

Related

1. fromHexString(final String str)
2. fromHexString(String encoded)
3. fromHexString(String encoded)
4. fromHexString(String hex)
5. fromHexString(String hex)
6. fromHexString(String hexString)
7. fromHexString(String hexString)
8. fromHexString(String hexString)
9. fromHexString(String in)