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.batch.bootstrap;
021    
022    import org.sonar.api.BatchComponent;
023    import org.sonar.api.platform.Server;
024    import org.sonar.core.persistence.BadDatabaseVersion;
025    import org.sonar.core.persistence.DatabaseVersion;
026    
027    /**
028     * Detects if database is not up-to-date with the version required by the batch.
029     */
030    public class DatabaseBatchCompatibility implements BatchComponent {
031    
032      private DatabaseVersion version;
033      private Server server;
034    
035      public DatabaseBatchCompatibility(DatabaseVersion version, Server server) {
036        this.version = version;
037        this.server = server;
038      }
039    
040      public void start() {
041        DatabaseVersion.Status status = version.getStatus();
042        if (status == DatabaseVersion.Status.REQUIRES_DOWNGRADE) {
043          throw new BadDatabaseVersion("Database relates to a more recent version of Sonar. Please check your settings (JDBC settings, version of Maven plugin)");
044        }
045        if (status == DatabaseVersion.Status.REQUIRES_UPGRADE) {
046          throw new BadDatabaseVersion("Database must be upgraded. Please browse " + server.getURL() + "/setup");
047        }
048        if (status != DatabaseVersion.Status.UP_TO_DATE) {
049          // Support other future values
050          throw new BadDatabaseVersion("Unknown database status: " + status);
051        }
052      }
053    
054    }