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.upgrade.util.BaseUpgradeColumnImpl;
28  import com.liferay.portal.upgrade.util.UpgradeColumn;
29  
30  import java.util.HashSet;
31  import java.util.Set;
32  
33  /**
34   * <a href="DLFolderNameColumnImpl.java.html"><b><i>View Source</i></b></a>
35   *
36   * @author Alexander Chow
37   *
38   */
39  public class DLFolderNameColumnImpl extends BaseUpgradeColumnImpl {
40  
41      public DLFolderNameColumnImpl(
42          UpgradeColumn groupIdColumn, UpgradeColumn parentFolderIdColumn) {
43  
44          super("name", null);
45  
46          _groupIdColumn = groupIdColumn;
47          _parentFolderIdColumn = parentFolderIdColumn;
48      }
49  
50      public Set<String> getDistintNames() {
51          return _distinctNames;
52      }
53  
54      public Object getNewValue(Object oldValue) throws Exception {
55          String newName = (String)oldValue;
56  
57          while (_distinctNames.contains(_getKey(newName))) {
58              _counter++;
59  
60              newName = newName + StringPool.SPACE + _counter;
61          }
62  
63          _distinctNames.add(_getKey(newName));
64  
65          return newName;
66      }
67  
68      private String _getKey(String name) {
69          StringMaker sm = new StringMaker();
70  
71          sm.append(_groupIdColumn.getOldValue());
72          sm.append(StringPool.UNDERLINE);
73          sm.append(_parentFolderIdColumn.getOldValue());
74          sm.append(StringPool.UNDERLINE);
75          sm.append(name);
76  
77          return sm.toString();
78      }
79  
80      private UpgradeColumn _groupIdColumn;
81      private UpgradeColumn _parentFolderIdColumn;
82      private int _counter = 0;
83      private Set<String> _distinctNames = new HashSet<String>();
84  
85  }