/* * Copyright (c) 1997, 2007, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * utility class */ public class TestUtility { private static final String digits = "0123456789abcdef"; public TestUtility() { } public static String hexDump(byte[] bytes) { StringBuffer buf = new StringBuffer (bytes.length * 2); int i; buf.append (" "); // four spaces for (i = 0; i < bytes.length; i++) { buf.append (digits.charAt ((bytes[i] >> 4) & 0x0f)); buf.append (digits.charAt (bytes[i] & 0x0f)); if (((i + 1) % 32) == 0) { if ((i + 1) != bytes.length) buf.append ("\n "); // line after four words } else if (((i + 1) % 4) == 0) buf.append (' '); // space between words } return buf.toString (); } public static boolean equalsBlock(byte[] b1, byte[] b2) { if (b1.length != b2.length) return false; for (int i=0; i<b1.length; i++) { if (b1[i] != b2[i]) return false; } return true; } public static boolean equalsBlock(byte[] b1, byte[] b2, int len) { for (int i=0; i<len; i++) { if (b1[i] != b2[i]) return false; } return true; } }