1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.kernel.util;
24  
25  import java.io.Reader;
26  
27  import java.util.List;
28  
29  /**
30   * <a href="Diff.java.html"><b><i>View Source</i></b></a>
31   *
32   * @author Bruno Farache
33   *
34   * @see com.liferay.portal.kernel.util.DiffUtil
35   *
36   */
37  public interface Diff {
38  
39      public final String OPEN_INS = "<ins>";
40  
41      public final String CLOSE_INS = "</ins>";
42  
43      public final String OPEN_DEL = "<del>";
44  
45      public final String CLOSE_DEL = "</del>";
46  
47      public final String CONTEXT_LINE = "#context#line#";
48  
49      public List<DiffResult>[] diff(Reader source, Reader target);
50  
51      public List<DiffResult>[] diff(
52          Reader source, Reader target, String addedMarkerStart,
53          String addedMarkerEnd, String deletedMarkerStart,
54          String deletedMarkerEnd, int margin);
55  
56  }