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.configuration;
021    
022    import com.thoughtworks.xstream.XStream;
023    import org.apache.commons.collections.CollectionUtils;
024    import org.slf4j.LoggerFactory;
025    import org.sonar.api.database.DatabaseSession;
026    import org.sonar.api.database.configuration.Property;
027    
028    import java.util.ArrayList;
029    import java.util.List;
030    
031    public class PropertiesBackup implements Backupable {
032    
033      private DatabaseSession databaseSession;
034      private static final String FROM_GLOBAL_PROPERTIES = "from " + Property.class.getSimpleName() + " p WHERE p.resourceId IS NULL and user_id is null";
035    
036      public PropertiesBackup(DatabaseSession databaseSession) {
037        this.databaseSession = databaseSession;
038      }
039    
040      public void exportXml(SonarConfig sonarConfig) {
041        List<Property> xmlProperties = new ArrayList<Property>();
042    
043        List<Property> dbProperties = databaseSession.createQuery(FROM_GLOBAL_PROPERTIES).getResultList();
044        if (dbProperties != null) {
045          for (Property dbProperty : dbProperties) {
046            xmlProperties.add(new Property(dbProperty.getKey(), dbProperty.getValue()));
047          }
048          sonarConfig.setProperties(xmlProperties);
049        }
050      }
051    
052      public void importXml(SonarConfig sonarConfig) {
053        LoggerFactory.getLogger(getClass()).info("Restore properties");
054        clearProperties();
055    
056        if (CollectionUtils.isNotEmpty(sonarConfig.getProperties())) {
057          for (Property xmlProperty : sonarConfig.getProperties()) {
058            databaseSession.save(new Property(xmlProperty.getKey(), xmlProperty.getValue()));
059          }
060        }
061      }
062    
063      private void clearProperties() {
064        databaseSession.createQuery("delete " + FROM_GLOBAL_PROPERTIES).executeUpdate();
065      }
066    
067      public void configure(XStream xStream) {
068        xStream.alias("property", Property.class);
069      }
070    }