Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 *                 Sun Public License Notice
 * 
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 * 
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2002 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

import java.io.*;

public class Main {
    /**
     * Decodes data encoded using {@link #toHex(byte[],int,int) toHex}.
     *
     * @param hex data to be converted
     * @param start offset
     * @param len count
     *
     * @throws IOException if input does not represent hex encoded value
     *
     * @since 1.29
     */
    public static byte[] fromHex(char[] hex, int start, int len) throws IOException {

        if (hex == null)
            throw new IOException("null");

        int i = hex.length;
        if (i % 2 != 0)
            throw new IOException("odd length");
        byte[] magic = new byte[i / 2];
        for (; i > 0; i -= 2) {
            String g = new String(hex, i - 2, 2);
            try {
                magic[(i / 2) - 1] = (byte) Integer.parseInt(g, 16);
            } catch (NumberFormatException ex) {
                throw new IOException(ex.getLocalizedMessage());
            }
        }

        return magic;
    }
}