001 /* 002 * Sonar, open source software quality management tool. 003 * Copyright (C) 2008-2012 SonarSource 004 * mailto:contact AT sonarsource DOT com 005 * 006 * Sonar is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU Lesser General Public 008 * License as published by the Free Software Foundation; either 009 * version 3 of the License, or (at your option) any later version. 010 * 011 * Sonar is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 * Lesser General Public License for more details. 015 * 016 * You should have received a copy of the GNU Lesser General Public 017 * License along with Sonar; if not, write to the Free Software 018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02 019 */ 020 package org.sonar.core.persistence; 021 022 import org.apache.ibatis.session.SqlSession; 023 import org.slf4j.LoggerFactory; 024 import org.sonar.api.ServerComponent; 025 026 import java.sql.Connection; 027 028 /** 029 * Restore schema by executing DDL scripts. Only Derby database is supported. Other databases are created by Ruby on Rails migrations. 030 * 031 * @since 2.12 032 */ 033 public class DatabaseMigrator implements ServerComponent { 034 035 private MyBatis myBatis; 036 private Database database; 037 038 public DatabaseMigrator(MyBatis myBatis, Database database) { 039 this.myBatis = myBatis; 040 this.database = database; 041 } 042 043 /** 044 * @return true if the database has been created, false if this database is not supported 045 */ 046 public boolean createDatabase() { 047 if (DdlUtils.supportsDialect(database.getDialect().getId())) { 048 LoggerFactory.getLogger(getClass()).info("Create database"); 049 SqlSession session = myBatis.openSession(); 050 Connection connection = session.getConnection(); 051 try { 052 DdlUtils.createSchema(connection, database.getDialect().getId()); 053 } finally { 054 try { 055 MyBatis.closeQuietly(session); 056 057 // The connection is probably already closed by session.close() 058 // but it's not documented in mybatis javadoc. 059 connection.close(); 060 } catch (Exception e) { 061 // ignore 062 } 063 } 064 return true; 065 } 066 return false; 067 } 068 }