001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2008-2011 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.plugins.core.sensors;
021    
022    import com.google.common.collect.Lists;
023    import com.google.common.collect.Maps;
024    import org.sonar.api.batch.*;
025    import org.sonar.api.resources.Project;
026    import org.sonar.api.resources.Resource;
027    import org.sonar.api.resources.ResourceUtils;
028    import org.sonar.api.rules.RulePriority;
029    import org.sonar.api.rules.Violation;
030    import org.sonar.core.review.ReviewDao;
031    import org.sonar.core.review.ReviewDto;
032    import org.sonar.core.review.ReviewQuery;
033    import org.sonar.plugins.core.timemachine.ViolationTrackingDecorator;
034    
035    import java.util.List;
036    import java.util.Map;
037    import java.util.Set;
038    
039    /**
040     * Severity of violations can be explicitely changed by end-users. In this case the severity is fixed and must not be changed
041     * by rule engines.
042     *
043     * @since 2.13
044     */
045    @DependsUpon(DecoratorBarriers.START_VIOLATION_TRACKING)
046    @DependedUpon(DecoratorBarriers.END_OF_VIOLATION_TRACKING)
047    public class ViolationSeverityUpdater implements Decorator {
048    
049      private ReviewDao reviewDao;
050    
051      public ViolationSeverityUpdater(ReviewDao reviewDao) {
052        this.reviewDao = reviewDao;
053      }
054    
055      public boolean shouldExecuteOnProject(Project project) {
056        return true;
057      }
058    
059      @DependsUpon
060      public Class dependsUponViolationTracking() {
061        // permanent ids of violations have been updated, so we can link them with reviews
062        return ViolationTrackingDecorator.class;
063      }
064    
065      public void decorate(Resource resource, DecoratorContext context) {
066        if (!ResourceUtils.isPersistable(resource)) {
067          return;
068        }
069        Map<Integer, Violation> violationMap = filterViolationsPerPermanent(context.getViolations());
070        if (!violationMap.isEmpty()) {
071          Set<Integer> permanentIds = violationMap.keySet();
072          List<ReviewDto> reviewDtos = selectReviewsWithManualSeverity(permanentIds);
073          for (ReviewDto reviewDto : reviewDtos) {
074            Violation violation = violationMap.get(reviewDto.getViolationPermanentId());
075            if (violation != null) {
076              violation.setSeverity(RulePriority.valueOf(reviewDto.getSeverity()));
077            }
078          }
079        }
080      }
081    
082      private List<ReviewDto> selectReviewsWithManualSeverity(Set<Integer> permanentIds) {
083        ReviewQuery query = ReviewQuery.create()
084          .setManualSeverity(Boolean.TRUE)
085          .setViolationPermanentIds(Lists.newArrayList(permanentIds));
086        return reviewDao.selectByQuery(query);
087      }
088    
089      private Map<Integer, Violation> filterViolationsPerPermanent(List<Violation> violations) {
090        Map<Integer, Violation> result = Maps.newHashMap();
091        for (Violation violation : violations) {
092          if (violation.getPermanentId() != null) {
093            result.put(violation.getPermanentId(), violation);
094          }
095        }
096        return result;
097      }
098    
099      @Override
100      public String toString() {
101        return getClass().getSimpleName();
102      }
103    }