001 /** 002 * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved. 003 * 004 * This library is free software; you can redistribute it and/or modify it under 005 * the terms of the GNU Lesser General Public License as published by the Free 006 * Software Foundation; either version 2.1 of the License, or (at your option) 007 * any later version. 008 * 009 * This library is distributed in the hope that it will be useful, but WITHOUT 010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 011 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 012 * details. 013 */ 014 015 package com.liferay.portal.kernel.util; 016 017 import java.io.Reader; 018 019 /** 020 * <p> 021 * This class can compare two different versions of HTML code. It detects 022 * changes to an entire HTML page such as removal or addition of characters or 023 * images. 024 * </p> 025 * 026 * @author Julio Camarero 027 */ 028 public class DiffHtmlUtil { 029 030 public static String diff(Reader source, Reader target) throws Exception { 031 return getDiffHtml().diff(source, target); 032 } 033 034 public static DiffHtml getDiffHtml() { 035 return _diffHtml; 036 } 037 038 public void setDiffHtml(DiffHtml diffHtml) { 039 _diffHtml = diffHtml; 040 } 041 042 private static DiffHtml _diffHtml; 043 044 }