Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2015 Institute for Pervasive Computing, ETH Zurich and others.
 * 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * and Eclipse Distribution License v1.0 which accompany this distribution.
 * 
 * The Eclipse Public License is available at
 *    http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 *    http://www.eclipse.org/org/documents/edl-v10.html.
 * 
 * Contributors:
 *    Matthias Kovatsch - creator and main architect
 *    Stefan Jucker - DTLS implementation
 ******************************************************************************/

public class Main {
    /**
     * Takes a HEX stream and returns the corresponding byte array.
     * 
     * @param hexStream
     *            the HEX stream.
     * @return the byte array.
     */
    public static byte[] hexStreamToByteArray(String hexStream) {
        int length = hexStream.length();

        byte[] data = new byte[length / 2];
        for (int i = 0; i < length; i += 2) {
            data[i / 2] = (byte) ((Character.digit(hexStream.charAt(i), 16) << 4)
                    + Character.digit(hexStream.charAt(i + 1), 16));
        }
        return data;
    }
}