1   /**
2    * Copyright (c) 2000-2008 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.StringMaker;
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  import com.liferay.util.FileUtil;
32  
33  import java.util.Set;
34  
35  /**
36   * <a href="DLFileEntryTitleColumnImpl.java.html"><b><i>View Source</i></b></a>
37   *
38   * @author Alexander Chow
39   *
40   */
41  public class DLFileEntryTitleColumnImpl extends BaseUpgradeColumnImpl {
42  
43      public DLFileEntryTitleColumnImpl(
44          UpgradeColumn groupIdColumn, UpgradeColumn folderIdColumn,
45          UpgradeColumn nameColumn, Set<String> distinctTitles) {
46  
47          super("title", null);
48  
49          _groupIdColumn = groupIdColumn;
50          _folderIdColumn = folderIdColumn;
51          _nameColumn = nameColumn;
52          _distinctTitles = distinctTitles;
53      }
54  
55      public Object getNewValue(Object oldValue) throws Exception {
56          String newTitle = (String)oldValue;
57  
58          String name = (String)_nameColumn.getOldValue();
59          String extension = FileUtil.getExtension(name);
60  
61          newTitle = DLFileEntryImpl.stripExtension(name, newTitle);
62  
63          while (_distinctTitles.contains(_getKey(newTitle, extension))) {
64              _counter++;
65  
66              StringMaker sm = new StringMaker();
67  
68              sm.append(newTitle);
69              sm.append(StringPool.SPACE);
70              sm.append(_counter);
71  
72              newTitle = sm.toString();
73          }
74  
75          _distinctTitles.add(_getKey(newTitle, extension));
76  
77          return newTitle;
78      }
79  
80      private String _getKey(String title, String extension) {
81          StringMaker sm = new StringMaker();
82  
83          sm.append(_groupIdColumn.getOldValue());
84          sm.append(StringPool.UNDERLINE);
85          sm.append(_folderIdColumn.getOldValue());
86          sm.append(StringPool.UNDERLINE);
87          sm.append(title);
88  
89          if (Validator.isNotNull(extension)) {
90              sm.append(StringPool.PERIOD);
91              sm.append(extension);
92          }
93  
94          return sm.toString();
95      }
96  
97      private UpgradeColumn _groupIdColumn;
98      private UpgradeColumn _folderIdColumn;
99      private UpgradeColumn _nameColumn;
100     private int _counter = 0;
101     private Set<String> _distinctTitles;
102 
103 }