Java Hex to Byte Array convertHexStringToByteArray(String s)

Description

convert Hex String To Byte Array

License

Open Source License

Declaration

public static byte[] convertHexStringToByteArray(String s) 

Method Source Code

//package com.java2s;

public class Main {
    public static byte[] convertHexStringToByteArray(String s) {
        s = s.replace(" 0x", "");
        s = s.replace(":0x", "");
        s = s.replace(" ", "");
        s = s.replace(":", "");
        final int len = s.length();
        final int rem = len % 2;

        byte[] ret = new byte[len / 2 + rem];

        if (rem != 0) {
            try {
                ret[0] = (byte) (Integer.parseInt(s.substring(0, 1), 16) & 0x00F);
            } catch (Exception e) {
                ret[0] = 0;//from   w  ww.  ja v  a2 s. c  om
            }
        }

        for (int i = rem; i < len; i += 2) {
            try {
                ret[i / 2 + rem] = (byte) (Integer.parseInt(s.substring(i, i + 2), 16) & 0x0FF);
            } catch (Exception e) {
                ret[i / 2 + rem] = 0;
            }
        }

        return ret;
    }
}

Related

1. convertHexAsciiToByteArray(byte[] bytes)
2. convertHEXString2ByteArray(String value)
3. convertHexStringToByteArray(String hexString)
4. convertHexStringToByteArray(String str, int numBytes, int numCharsPerByte)
5. convertHexStringToByteNoSpace(String s)
6. convertHexStringToBytes(String hex)
7. convertHexStringToBytes(String hex)