Java tutorial
//package com.java2s; /* * CDDL HEADER START * * The contents of this file are subject to the terms of the Common Development * and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at * src/com/vodafone360/people/VODAFONE.LICENSE.txt or * http://github.com/360/360-Engine-for-Android * See the License for the specific language governing permissions and * limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each file and * include the License file at src/com/vodafone360/people/VODAFONE.LICENSE.txt. * If applicable, add the following below this CDDL HEADER, with the fields * enclosed by brackets "[]" replaced with your own identifying information: * Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END * * Copyright 2010 Vodafone Sales & Services Ltd. All rights reserved. * Use is subject to license terms. */ public class Main { /** * Calculates the sign value from a byte array * * @param bytes - Given byte array * @return Sign value String * @throws NullPointerException when bytes is NULL */ private static String createSignOfByteAray(byte[] bytes) { if (bytes == null) { throw new NullPointerException("AuthUtils.createSignOfByteAray() bytes cannot be NULL"); } return String.valueOf(bytes.length); } }