Android Hex String to Byte Array Convert hexStringToByteArray(String s)

Description

hex String To Byte Array

License

Open Source License

Declaration

static public byte[] hexStringToByteArray(String s) 

Method Source Code

//package com.java2s;
/**//from w  w w.  j a v a 2  s  . com
 * Logback: the reliable, generic, fast and flexible logging framework.
 * Copyright (C) 1999-2013, QOS.ch. All rights reserved.
 *
 * This program and the accompanying materials are dual-licensed under
 * either the terms of the Eclipse Public License v1.0 as published by
 * the Eclipse Foundation
 *
 *   or (per the licensee's choosing)
 *
 * under the terms of the GNU Lesser General Public License version 2.1
 * as published by the Free Software Foundation.
 */

public class Main {
    static public byte[] hexStringToByteArray(String s) {
        int len = s.length();
        byte[] ba = new byte[len / 2];

        for (int i = 0; i < ba.length; i++) {
            int j = i * 2;
            int t = Integer.parseInt(s.substring(j, j + 2), 16);
            byte b = (byte) (t & 0xFF);
            ba[i] = b;
        }
        return ba;
    }
}

Related

1. toBytesFromHexString(String digits)
2. hexStringToBytes(String s)
3. hexStringToBytes(String s)
4. decodeHex(String str)
5. fromHex(String hex)