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.plugins.cpd.index;
021
022import com.google.common.annotations.VisibleForTesting;
023import org.apache.commons.lang.StringUtils;
024import org.slf4j.Logger;
025import org.slf4j.LoggerFactory;
026import org.sonar.api.BatchExtension;
027import org.sonar.api.CoreProperties;
028import org.sonar.api.config.Settings;
029import org.sonar.api.resources.Project;
030import org.sonar.batch.index.ResourcePersister;
031import org.sonar.core.duplication.DuplicationDao;
032
033public class IndexFactory implements BatchExtension {
034
035  private static final Logger LOG = LoggerFactory.getLogger(IndexFactory.class);
036
037  private final Settings settings;
038  private final ResourcePersister resourcePersister;
039  private final DuplicationDao dao;
040
041  /**
042   * For dry run, where is no access to database.
043   */
044  public IndexFactory(Settings settings) {
045    this.settings = settings;
046    this.resourcePersister = null;
047    this.dao = null;
048  }
049
050  public IndexFactory(Settings settings, ResourcePersister resourcePersister, DuplicationDao dao) {
051    this.settings = settings;
052    this.resourcePersister = resourcePersister;
053    this.dao = dao;
054  }
055
056  public SonarDuplicationsIndex create(Project project) {
057    if (isCrossProject(project)) {
058      LOG.info("Cross-project analysis enabled");
059      return new SonarDuplicationsIndex(new DbDuplicationsIndex(resourcePersister, project, dao));
060    } else {
061      LOG.info("Cross-project analysis disabled");
062      return new SonarDuplicationsIndex();
063    }
064  }
065
066  /**
067   * @return true, if was enabled by user and database is available
068   */
069  @VisibleForTesting
070  boolean isCrossProject(Project project) {
071    return settings.getBoolean(CoreProperties.CPD_CROSS_RPOJECT)
072      && resourcePersister != null && dao != null
073      && StringUtils.isBlank(project.getBranch());
074  }
075
076}