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;
21  
22  import com.liferay.portal.kernel.dao.jdbc.DataAccess;
23  import com.liferay.portal.kernel.log.Log;
24  import com.liferay.portal.kernel.log.LogFactoryUtil;
25  import com.liferay.portal.kernel.uuid.PortalUUIDUtil;
26  import com.liferay.portal.upgrade.UpgradeException;
27  import com.liferay.portal.upgrade.UpgradeProcess;
28  
29  import java.sql.Connection;
30  import java.sql.PreparedStatement;
31  import java.sql.ResultSet;
32  
33  /**
34   * <a href="UpgradeUUID.java.html"><b><i>View Source</i></b></a>
35   *
36   * @author Brian Wing Shun Chan
37   *
38   */
39  public class UpgradeUUID extends UpgradeProcess {
40  
41      public void upgrade() throws UpgradeException {
42          _log.info("Upgrading");
43  
44          try {
45              doUpgrade();
46          }
47          catch (Exception e) {
48              throw new UpgradeException(e);
49          }
50      }
51  
52      protected void doUpgrade() throws Exception {
53          upgradeTable("BlogsEntry", "entryId");
54          upgradeTable("BookmarksEntry", "entryId");
55          upgradeTable("BookmarksFolder", "folderId");
56          upgradeTable("DLFileEntry", "fileEntryId");
57          upgradeTable("DLFileShortcut", "fileShortcutId");
58          upgradeTable("DLFolder", "folderId");
59          upgradeTable("CalEvent", "eventId");
60          upgradeTable("IGFolder", "folderId");
61          upgradeTable("IGImage", "imageId");
62          upgradeTable("JournalArticle", "id_");
63          upgradeTable("JournalStructure", "id_");
64          upgradeTable("JournalTemplate", "id_");
65          upgradeTable("MBCategory", "categoryId");
66          upgradeTable("MBMessage", "messageId");
67          upgradeTable("PollsChoice", "choiceId");
68          upgradeTable("PollsQuestion", "questionId");
69          upgradeTable("User_", "userId");
70          upgradeTable("WikiNode", "nodeId");
71          upgradeTable("WikiPage", "pageId");
72      }
73  
74      protected void upgradeTable(String tableName, String pkColName)
75          throws Exception {
76  
77          Connection con = null;
78          PreparedStatement ps = null;
79          ResultSet rs = null;
80  
81          try {
82              con = DataAccess.getConnection();
83  
84              ps = con.prepareStatement(
85                  "SELECT " + pkColName + " FROM " + tableName +
86                      " WHERE uuid_ IS NULL or uuid_ = ''");
87  
88              rs = ps.executeQuery();
89  
90              while (rs.next()) {
91                  long pkColValue = rs.getLong(pkColName);
92  
93                  String uuid = PortalUUIDUtil.generate();
94  
95                  ps = con.prepareStatement(
96                      "UPDATE " + tableName + " SET uuid_ = '" + uuid +
97                          "' WHERE " + pkColName + " = " + pkColValue);
98  
99                  ps.executeUpdate();
100 
101                 ps.close();
102             }
103         }
104         finally {
105             DataAccess.cleanUp(con, ps, rs);
106         }
107     }
108 
109     private static Log _log = LogFactoryUtil.getLog(UpgradeUUID.class);
110 
111 }