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 */
020package org.sonar.core.persistence;
021
022import org.apache.commons.io.output.NullWriter;
023import org.apache.ibatis.io.Resources;
024import org.apache.ibatis.jdbc.ScriptRunner;
025
026import java.io.PrintWriter;
027import java.sql.Connection;
028
029/**
030 * Util class to create Sonar database tables
031 *
032 * @since 2.12
033 */
034public final class DdlUtils {
035
036  private DdlUtils() {
037  }
038
039  public static boolean supportsDialect(String dialect) {
040    return "derby".equals(dialect);
041  }
042
043  /**
044   * The connection is commited in this method but not closed.
045   */
046  public static void createSchema(Connection connection, String dialect) {
047    executeScript(connection, "org/sonar/core/persistence/schema-" + dialect + ".ddl");
048    executeScript(connection, "org/sonar/core/persistence/rows-" + dialect + ".sql");
049  }
050
051  private static void executeScript(Connection connection, String path) {
052    ScriptRunner scriptRunner = newScriptRunner(connection);
053    try {
054      scriptRunner.runScript(Resources.getResourceAsReader(path));
055      connection.commit();
056
057    } catch (Exception e) {
058      throw new IllegalStateException("Fail to restore: " + path, e);
059    }
060  }
061
062  private static ScriptRunner newScriptRunner(Connection connection) {
063    ScriptRunner scriptRunner = new ScriptRunner(connection);
064    scriptRunner.setDelimiter(";");
065    scriptRunner.setStopOnError(true);
066    scriptRunner.setLogWriter(new PrintWriter(new NullWriter()));
067    return scriptRunner;
068  }
069}