1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * This library is free software; you can redistribute it and/or modify it under
5    * the terms of the GNU Lesser General Public License as published by the Free
6    * Software Foundation; either version 2.1 of the License, or (at your option)
7    * any later version.
8    *
9    * This library is distributed in the hope that it will be useful, but WITHOUT
10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11   * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12   * details.
13   */
14  
15  package com.liferay.portal.kernel.util;
16  
17  import java.io.Reader;
18  
19  import java.util.List;
20  
21  /**
22   * <a href="Diff.java.html"><b><i>View Source</i></b></a>
23   *
24   * @author Bruno Farache
25   * @see    com.liferay.portal.kernel.util.DiffUtil
26   */
27  public interface Diff {
28  
29      public final String OPEN_INS = "<ins>";
30  
31      public final String CLOSE_INS = "</ins>";
32  
33      public final String OPEN_DEL = "<del>";
34  
35      public final String CLOSE_DEL = "</del>";
36  
37      public final String CONTEXT_LINE = "#context#line#";
38  
39      public List<DiffResult>[] diff(Reader source, Reader target);
40  
41      public List<DiffResult>[] diff(
42          Reader source, Reader target, String addedMarkerStart,
43          String addedMarkerEnd, String deletedMarkerStart,
44          String deletedMarkerEnd, int margin);
45  
46  }