1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portal.kernel.util;
21  
22  import java.io.Reader;
23  
24  import java.util.List;
25  
26  /**
27   * <a href="Diff.java.html"><b><i>View Source</i></b></a>
28   *
29   * @author Bruno Farache
30   *
31   * @see com.liferay.portal.kernel.util.DiffUtil
32   *
33   */
34  public interface Diff {
35  
36      public final String OPEN_INS = "<ins>";
37  
38      public final String CLOSE_INS = "</ins>";
39  
40      public final String OPEN_DEL = "<del>";
41  
42      public final String CLOSE_DEL = "</del>";
43  
44      public final String CONTEXT_LINE = "#context#line#";
45  
46      public List<DiffResult>[] diff(Reader source, Reader target);
47  
48      public List<DiffResult>[] diff(
49          Reader source, Reader target, String addedMarkerStart,
50          String addedMarkerEnd, String deletedMarkerStart,
51          String deletedMarkerEnd, int margin);
52  
53  }