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.v4_4_0.util;
24  
25  import com.liferay.portal.kernel.util.FileUtil;
26  import com.liferay.portal.kernel.util.StringPool;
27  import com.liferay.portal.kernel.util.Validator;
28  import com.liferay.portal.upgrade.util.BaseUpgradeColumnImpl;
29  import com.liferay.portal.upgrade.util.UpgradeColumn;
30  import com.liferay.portlet.documentlibrary.model.impl.DLFileEntryImpl;
31  
32  import java.util.Set;
33  
34  /**
35   * <a href="DLFileEntryTitleColumnImpl.java.html"><b><i>View Source</i></b></a>
36   *
37   * @author Alexander Chow
38   *
39   */
40  public class DLFileEntryTitleColumnImpl extends BaseUpgradeColumnImpl {
41  
42      public DLFileEntryTitleColumnImpl(
43          UpgradeColumn groupIdColumn, UpgradeColumn folderIdColumn,
44          UpgradeColumn nameColumn, Set<String> distinctTitles) {
45  
46          super("title", null);
47  
48          _groupIdColumn = groupIdColumn;
49          _folderIdColumn = folderIdColumn;
50          _nameColumn = nameColumn;
51          _distinctTitles = distinctTitles;
52      }
53  
54      public Object getNewValue(Object oldValue) throws Exception {
55          String newTitle = (String)oldValue;
56  
57          String name = (String)_nameColumn.getOldValue();
58          String extension = FileUtil.getExtension(name);
59  
60          newTitle = DLFileEntryImpl.stripExtension(name, newTitle);
61  
62          while (_distinctTitles.contains(_getKey(newTitle, extension))) {
63              _counter++;
64  
65              StringBuilder sb = new StringBuilder();
66  
67              sb.append(newTitle);
68              sb.append(StringPool.SPACE);
69              sb.append(_counter);
70  
71              newTitle = sb.toString();
72          }
73  
74          _distinctTitles.add(_getKey(newTitle, extension));
75  
76          return newTitle;
77      }
78  
79      private String _getKey(String title, String extension) {
80          StringBuilder sb = new StringBuilder();
81  
82          sb.append(_groupIdColumn.getOldValue());
83          sb.append(StringPool.UNDERLINE);
84          sb.append(_folderIdColumn.getOldValue());
85          sb.append(StringPool.UNDERLINE);
86          sb.append(title);
87  
88          if (Validator.isNotNull(extension)) {
89              sb.append(StringPool.PERIOD);
90              sb.append(extension);
91          }
92  
93          return sb.toString();
94      }
95  
96      private UpgradeColumn _groupIdColumn;
97      private UpgradeColumn _folderIdColumn;
98      private UpgradeColumn _nameColumn;
99      private int _counter = 0;
100     private Set<String> _distinctTitles;
101 
102 }