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.core.timemachine;
021
022import org.sonar.api.BatchExtension;
023import org.sonar.api.database.DatabaseSession;
024import org.sonar.api.database.model.ResourceModel;
025import org.sonar.api.database.model.RuleFailureModel;
026import org.sonar.api.database.model.Snapshot;
027import org.sonar.api.database.model.SnapshotSource;
028import org.sonar.api.resources.Resource;
029
030import javax.persistence.Query;
031
032import java.util.Collections;
033import java.util.List;
034
035public class ReferenceAnalysis implements BatchExtension {
036
037  private DatabaseSession session;
038
039  public ReferenceAnalysis(DatabaseSession session) {
040    this.session = session;
041  }
042
043  public List<RuleFailureModel> getViolations(Resource resource) {
044    Snapshot snapshot = getSnapshot(resource);
045    if (snapshot != null) {
046      return session.getResults(RuleFailureModel.class, "snapshotId", snapshot.getId());
047    }
048    return Collections.emptyList();
049  }
050
051  public String getSource(Resource resource) {
052    Snapshot snapshot = getSnapshot(resource);
053    if (snapshot != null) {
054      SnapshotSource source = session.getSingleResult(SnapshotSource.class, "snapshotId", snapshot.getId());
055      if (source != null) {
056        return source.getData();
057      }
058    }
059    return "";
060  }
061
062  private Snapshot getSnapshot(Resource resource) {
063    Query query = session.createQuery("from " + Snapshot.class.getSimpleName() + " s where s.last=:last and s.resourceId=(select r.id from "
064      + ResourceModel.class.getSimpleName() + " r where r.key=:key)");
065    query.setParameter("key", resource.getEffectiveKey());
066    query.setParameter("last", Boolean.TRUE);
067    return session.getSingleResult(query, null);
068  }
069}