001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
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 OPEN_INS = "<ins>";
028    
029            public static final String CLOSE_INS = "</ins>";
030    
031            public static final String OPEN_DEL = "<del>";
032    
033            public static final String CLOSE_DEL = "</del>";
034    
035            public static final String CONTEXT_LINE = "#context#line#";
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    }