| DLFolderNameColumnImpl.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 * The contents of this file are subject to the terms of the Liferay Enterprise
5 * Subscription License ("License"). You may not use this file except in
6 * compliance with the License. You can obtain a copy of the License by
7 * contacting Liferay, Inc. See the License for the specific language governing
8 * permissions and limitations under the License, including but not limited to
9 * distribution rights of the Software.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17 * SOFTWARE.
18 */
19
20 package com.liferay.portal.upgrade.v4_4_0.util;
21
22 import com.liferay.portal.kernel.util.StringPool;
23 import com.liferay.portal.upgrade.util.BaseUpgradeColumnImpl;
24 import com.liferay.portal.upgrade.util.UpgradeColumn;
25
26 import java.util.HashSet;
27 import java.util.Set;
28
29 /**
30 * <a href="DLFolderNameColumnImpl.java.html"><b><i>View Source</i></b></a>
31 *
32 * @author Alexander Chow
33 *
34 */
35 public class DLFolderNameColumnImpl extends BaseUpgradeColumnImpl {
36
37 public DLFolderNameColumnImpl(
38 UpgradeColumn groupIdColumn, UpgradeColumn parentFolderIdColumn) {
39
40 super("name", null);
41
42 _groupIdColumn = groupIdColumn;
43 _parentFolderIdColumn = parentFolderIdColumn;
44 }
45
46 public Set<String> getDistintNames() {
47 return _distinctNames;
48 }
49
50 public Object getNewValue(Object oldValue) throws Exception {
51 String newName = (String)oldValue;
52
53 while (_distinctNames.contains(_getKey(newName))) {
54 _counter++;
55
56 newName = newName + StringPool.SPACE + _counter;
57 }
58
59 _distinctNames.add(_getKey(newName));
60
61 return newName;
62 }
63
64 private String _getKey(String name) {
65 StringBuilder sb = new StringBuilder();
66
67 sb.append(_groupIdColumn.getOldValue());
68 sb.append(StringPool.UNDERLINE);
69 sb.append(_parentFolderIdColumn.getOldValue());
70 sb.append(StringPool.UNDERLINE);
71 sb.append(name);
72
73 return sb.toString();
74 }
75
76 private UpgradeColumn _groupIdColumn;
77 private UpgradeColumn _parentFolderIdColumn;
78 private int _counter = 0;
79 private Set<String> _distinctNames = new HashSet<String>();
80
81 }