Get Hex from byte array
// Ahy - A pure java CMS. // Copyright (C) 2010 Sidney Leal (manish.com.br) // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program. If not, see <http://www.gnu.org/licenses/>. //package br.com.manish.ahy.fxadmin; public class FileUtil { static final String HEXES = "0123456789ABCDEF"; public static String getHex(byte[] raw) { if (raw == null) { return null; } final StringBuilder hex = new StringBuilder(2 * raw.length); for (final byte b : raw) { hex.append(HEXES.charAt((b & 0xF0) >> 4)).append( HEXES.charAt((b & 0x0F))); } return hex.toString(); } }