| DLFolderNameColumnImpl.java |
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 public class DLFolderNameColumnImpl extends BaseUpgradeColumnImpl {
38
39 public DLFolderNameColumnImpl(
40 UpgradeColumn groupIdColumn, UpgradeColumn parentFolderIdColumn) {
41
42 super("name", null);
43
44 _groupIdColumn = groupIdColumn;
45 _parentFolderIdColumn = parentFolderIdColumn;
46 }
47
48 public Set<String> getDistintNames() {
49 return _distinctNames;
50 }
51
52 public Object getNewValue(Object oldValue) throws Exception {
53 String newName = (String)oldValue;
54
55 while (_distinctNames.contains(_getKey(newName))) {
56 _counter++;
57
58 newName = newName + StringPool.SPACE + _counter;
59 }
60
61 _distinctNames.add(_getKey(newName));
62
63 return newName;
64 }
65
66 private String _getKey(String name) {
67 StringBuilder sb = new StringBuilder();
68
69 sb.append(_groupIdColumn.getOldValue());
70 sb.append(StringPool.UNDERLINE);
71 sb.append(_parentFolderIdColumn.getOldValue());
72 sb.append(StringPool.UNDERLINE);
73 sb.append(name);
74
75 return sb.toString();
76 }
77
78 private UpgradeColumn _groupIdColumn;
79 private UpgradeColumn _parentFolderIdColumn;
80 private int _counter = 0;
81 private Set<String> _distinctNames = new HashSet<String>();
82
83 }