Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

public class Main {
    public static byte[] hexStringToByteArray(String encoded) {
        if ((encoded.length() % 2) != 0)
            throw new IllegalArgumentException("Input string must contain an even number of characters");

        final byte result[] = new byte[encoded.length() / 2];
        final char enc[] = encoded.toCharArray();
        for (int i = 0; i < enc.length; i += 2) {
            StringBuilder curr = new StringBuilder(2);
            curr.append(enc[i]).append(enc[i + 1]);
            result[i / 2] = (byte) Integer.parseInt(curr.toString(), 16);
        }
        return result;
    }
}