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.upgrade.v5_1_0.util;
24  
25  import com.liferay.portal.kernel.util.Validator;
26  import com.liferay.portal.upgrade.util.BaseUpgradeColumnImpl;
27  import com.liferay.portal.upgrade.util.UpgradeColumn;
28  import com.liferay.portlet.blogs.service.BlogsEntryLocalServiceUtil;
29  
30  import java.util.HashSet;
31  import java.util.Set;
32  
33  /**
34   * <a href="BlogsEntryUrlTitleUpgradeColumnImpl.java.html"><b><i>View Source</i>
35   * </b></a>
36   *
37   * @author Brian Wing Shun Chan
38   *
39   */
40  public class BlogsEntryUrlTitleUpgradeColumnImpl extends BaseUpgradeColumnImpl {
41  
42      public BlogsEntryUrlTitleUpgradeColumnImpl(
43          UpgradeColumn entryIdColumn, UpgradeColumn titleColumn) {
44  
45          super("urlTitle");
46  
47          _entryIdColumn = entryIdColumn;
48          _titleColumn = titleColumn;
49          _urlTitles = new HashSet<String>();
50      }
51  
52      public Object getNewValue(Object oldValue) throws Exception {
53          String oldUrlTitle = (String)oldValue;
54  
55          String newUrlTitle = oldUrlTitle;
56  
57          if (Validator.isNull(oldUrlTitle)) {
58              long entryId = ((Long)_entryIdColumn.getOldValue()).longValue();
59  
60              String title = (String)_titleColumn.getOldValue();
61  
62              newUrlTitle = getUrlTitle(entryId, title);
63  
64              _urlTitles.add(newUrlTitle);
65          }
66  
67          return newUrlTitle;
68      }
69  
70      protected String getUrlTitle(long entryId, String title) {
71          String urlTitle = BlogsEntryLocalServiceUtil.getUrlTitle(
72              entryId, title);
73  
74          String newUrlTitle = new String(urlTitle);
75  
76          for (int i = 1;; i++) {
77              if (!_urlTitles.contains(newUrlTitle)) {
78                  break;
79              }
80  
81              newUrlTitle = urlTitle + "_" + i;
82          }
83  
84          return newUrlTitle;
85      }
86  
87      private UpgradeColumn _entryIdColumn;
88      private UpgradeColumn _titleColumn;
89      private Set<String> _urlTitles;
90  
91  }