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.server.platform;
021    
022    import org.slf4j.LoggerFactory;
023    import org.sonar.api.ServerComponent;
024    import org.sonar.core.persistence.BadDatabaseVersion;
025    import org.sonar.core.persistence.DatabaseVersion;
026    
027    public class DatabaseServerCompatibility implements ServerComponent {
028      
029      private DatabaseVersion version;
030    
031      public DatabaseServerCompatibility(DatabaseVersion version) {
032        this.version = version;
033      }
034    
035      public void start() {
036        DatabaseVersion.Status status = version.getStatus();
037        if (status== DatabaseVersion.Status.REQUIRES_DOWNGRADE) {
038          throw new BadDatabaseVersion("Database relates to a more recent version of sonar. Please check your settings.");
039        }
040        if (status== DatabaseVersion.Status.REQUIRES_UPGRADE) {
041          LoggerFactory.getLogger(DatabaseServerCompatibility.class).info("Database must be upgraded. Please browse /setup");
042        }
043      }
044    
045    }