| DLFolderNameColumnImpl.java |
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.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 }