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    }