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.util.ArrayList;
23  import java.util.Iterator;
24  import java.util.List;
25  
26  /**
27   * <a href="DiffResult.java.html"><b><i>View Source</i></b></a>
28   *
29   * <p>
30   * Represents a change between one or several lines. <code>changeType</code>
31   * tells if the change happened in source or target. <code>lineNumber</code>
32   * holds the line number of the first modified line. This line number refers to
33   * a line in source or target, depending on the <code>changeType</code> value.
34   * <code>changedLines</code> is a list of strings, each string is a line that
35   * is already highlighted, indicating where the changes are.
36   * </p>
37   *
38   * @author Bruno Farache
39   *
40   */
41  public class DiffResult {
42  
43      public static final String SOURCE = "SOURCE";
44  
45      public static final String TARGET = "TARGET";
46  
47      public DiffResult(int linePos, List<String> changedLines) {
48          _lineNumber = linePos + 1;
49          _changedLines = changedLines;
50      }
51  
52      public DiffResult(int linePos, String changedLine) {
53          _lineNumber = linePos + 1;
54          _changedLines = new ArrayList<String>();
55          _changedLines.add(changedLine);
56      }
57  
58      public List<String> getChangedLines() {
59          return _changedLines;
60      }
61  
62      public void setChangedLines(List<String> changedLines) {
63          _changedLines = changedLines;
64      }
65  
66      public int getLineNumber() {
67          return _lineNumber;
68      }
69  
70      public void setLineNumber(int lineNumber) {
71          _lineNumber = lineNumber;
72      }
73  
74      public boolean equals(Object obj) {
75          DiffResult diffResult = (DiffResult)obj;
76  
77          if ((diffResult.getLineNumber() == _lineNumber) &&
78              (diffResult.getChangedLines().equals(_changedLines))) {
79  
80              return true;
81          }
82  
83          return false;
84      }
85  
86      public String toString() {
87          StringBuilder sb = new StringBuilder();
88  
89          sb.append("Line: ");
90          sb.append(_lineNumber);
91          sb.append("\n");
92  
93          Iterator<String> itr = _changedLines.iterator();
94  
95          while (itr.hasNext()) {
96              sb.append(itr.next());
97  
98              if (itr.hasNext()) {
99                  sb.append("\n");
100             }
101         }
102 
103         return sb.toString();
104     }
105 
106     private int _lineNumber;
107     private List<String> _changedLines;
108 
109 }