1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights 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.StringPool;
26  import com.liferay.portal.upgrade.util.BaseUpgradeColumnImpl;
27  import com.liferay.portal.upgrade.util.UpgradeColumn;
28  
29  import java.util.HashSet;
30  import java.util.Set;
31  
32  /**
33   * <a href="DLFolderNameColumnImpl.java.html"><b><i>View Source</i></b></a>
34   *
35   * @author Alexander Chow
36   *
37   */
38  public class DLFolderNameColumnImpl extends BaseUpgradeColumnImpl {
39  
40      public DLFolderNameColumnImpl(
41          UpgradeColumn groupIdColumn, UpgradeColumn parentFolderIdColumn) {
42  
43          super("name", null);
44  
45          _groupIdColumn = groupIdColumn;
46          _parentFolderIdColumn = parentFolderIdColumn;
47      }
48  
49      public Set<String> getDistintNames() {
50          return _distinctNames;
51      }
52  
53      public Object getNewValue(Object oldValue) throws Exception {
54          String newName = (String)oldValue;
55  
56          while (_distinctNames.contains(_getKey(newName))) {
57              _counter++;
58  
59              newName = newName + StringPool.SPACE + _counter;
60          }
61  
62          _distinctNames.add(_getKey(newName));
63  
64          return newName;
65      }
66  
67      private String _getKey(String name) {
68          StringBuilder sb = new StringBuilder();
69  
70          sb.append(_groupIdColumn.getOldValue());
71          sb.append(StringPool.UNDERLINE);
72          sb.append(_parentFolderIdColumn.getOldValue());
73          sb.append(StringPool.UNDERLINE);
74          sb.append(name);
75  
76          return sb.toString();
77      }
78  
79      private UpgradeColumn _groupIdColumn;
80      private UpgradeColumn _parentFolderIdColumn;
81      private int _counter = 0;
82      private Set<String> _distinctNames = new HashSet<String>();
83  
84  }