001    /**
002     * Copyright (c) 2000-2013 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    import java.util.List;
020    
021    /**
022     * @author Bruno Farache
023     * @see    com.liferay.portal.kernel.util.DiffUtil
024     */
025    public interface Diff {
026    
027            public static final String CLOSE_DEL = "</del>";
028    
029            public static final String CLOSE_INS = "</ins>";
030    
031            public static final String CONTEXT_LINE = "#context#line#";
032    
033            public static final String OPEN_DEL = "<del>";
034    
035            public static final String OPEN_INS = "<ins>";
036    
037            public List<DiffResult>[] diff(Reader source, Reader target);
038    
039            public List<DiffResult>[] diff(
040                    Reader source, Reader target, String addedMarkerStart,
041                    String addedMarkerEnd, String deletedMarkerStart,
042                    String deletedMarkerEnd, int margin);
043    
044    }