001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.upgrade.v6_1_1;
016    
017    import com.liferay.portal.kernel.dao.jdbc.DataAccess;
018    import com.liferay.portal.kernel.upgrade.UpgradeProcess;
019    import com.liferay.portal.kernel.util.FileUtil;
020    import com.liferay.portal.kernel.util.GetterUtil;
021    import com.liferay.portal.kernel.util.StringPool;
022    
023    import java.sql.Connection;
024    import java.sql.PreparedStatement;
025    import java.sql.ResultSet;
026    import java.sql.SQLException;
027    
028    /**
029     * @author Sergio Gonz??lez
030     */
031    public class UpgradeDocumentLibrary extends UpgradeProcess {
032    
033            @Override
034            protected void doUpgrade() throws Exception {
035                    updateFileEntries();
036            }
037    
038            protected boolean hasFileEntry(long groupId, long folderId, String title)
039                    throws Exception {
040    
041                    Connection con = null;
042                    PreparedStatement ps = null;
043                    ResultSet rs = null;
044    
045                    try {
046                            con = DataAccess.getUpgradeOptimizedConnection();
047    
048                            ps = con.prepareStatement(
049                                    "select count(*) from DLFileEntry where groupId = ? and " +
050                                            "folderId = ? and title = ?");
051    
052                            ps.setLong(1, groupId);
053                            ps.setLong(2, folderId);
054                            ps.setString(3, title);
055    
056                            rs = ps.executeQuery();
057    
058                            while (rs.next()) {
059                                    int count = rs.getInt(1);
060    
061                                    if (count > 0) {
062                                            return true;
063                                    }
064                            }
065    
066                            return false;
067                    }
068                    finally {
069                            DataAccess.cleanUp(con, ps, rs);
070                    }
071            }
072    
073            protected void updateFileEntries() throws Exception {
074                    Connection con = null;
075                    PreparedStatement ps = null;
076                    ResultSet rs = null;
077    
078                    try {
079                            con = DataAccess.getUpgradeOptimizedConnection();
080    
081                            ps = con.prepareStatement(
082                                    "select fileEntryId, groupId, folderId, title, extension, " +
083                                            "version from DLFileEntry");
084    
085                            rs = ps.executeQuery();
086    
087                            while (rs.next()) {
088                                    long fileEntryId = rs.getLong("fileEntryId");
089                                    long groupId = rs.getLong("groupId");
090                                    long folderId = rs.getLong("folderId");
091                                    String title = rs.getString("title");
092                                    String extension = GetterUtil.getString(
093                                            rs.getString("extension"));
094                                    String version = rs.getString("version");
095    
096                                    String periodAndExtension = StringPool.PERIOD.concat(extension);
097    
098                                    if (!title.endsWith(periodAndExtension)) {
099                                            continue;
100                                    }
101    
102                                    title = FileUtil.stripExtension(title);
103    
104                                    String uniqueTitle = title;
105    
106                                    int count = 0;
107    
108                                    while (hasFileEntry(groupId, folderId, uniqueTitle) ||
109                                               ((count != 0) &&
110                                                    hasFileEntry(
111                                                            groupId, folderId,
112                                                            uniqueTitle + periodAndExtension))) {
113    
114                                            count++;
115    
116                                            uniqueTitle = title + String.valueOf(count);
117                                    }
118    
119                                    if (count <= 0) {
120                                            continue;
121                                    }
122    
123                                    uniqueTitle += periodAndExtension;
124    
125                                    updateFileEntry(fileEntryId, version, uniqueTitle);
126                            }
127                    }
128                    finally {
129                            DataAccess.cleanUp(con, ps, rs);
130                    }
131            }
132    
133            protected void updateFileEntry(
134                            long fileEntryId, String version, String newTitle)
135                    throws SQLException {
136    
137                    Connection con = null;
138                    PreparedStatement ps = null;
139    
140                    try {
141                            con = DataAccess.getUpgradeOptimizedConnection();
142    
143                            ps = con.prepareStatement(
144                                    "update DLFileEntry set title = ? where fileEntryId = ?");
145    
146                            ps.setString(1, newTitle);
147                            ps.setLong(2, fileEntryId);
148    
149                            ps.executeUpdate();
150    
151                            DataAccess.cleanUp(ps);
152    
153                            ps = con.prepareStatement(
154                                    "update DLFileVersion set title = ? where fileEntryId = " +
155                                            "? and version = ?");
156    
157                            ps.setString(1, newTitle);
158                            ps.setLong(2, fileEntryId);
159                            ps.setString(3, version);
160    
161                            ps.executeUpdate();
162                    }
163                    finally {
164                            DataAccess.cleanUp(con, ps);
165                    }
166            }
167    
168    }