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.plugins.pmd;
021    
022    import net.sourceforge.pmd.IRuleViolation;
023    import net.sourceforge.pmd.Report;
024    import org.sonar.api.CoreProperties;
025    import org.sonar.api.batch.Sensor;
026    import org.sonar.api.batch.SensorContext;
027    import org.sonar.api.profiles.RulesProfile;
028    import org.sonar.api.resources.Java;
029    import org.sonar.api.resources.JavaFile;
030    import org.sonar.api.resources.Project;
031    import org.sonar.api.resources.Resource;
032    import org.sonar.api.rules.Rule;
033    import org.sonar.api.rules.RuleFinder;
034    import org.sonar.api.rules.Violation;
035    import org.sonar.api.utils.XmlParserException;
036    
037    import java.util.Iterator;
038    
039    public class PmdSensor implements Sensor {
040    
041      private RulesProfile profile;
042      private RuleFinder rulesFinder;
043      private PmdExecutor executor;
044    
045      public PmdSensor(RulesProfile profile, RuleFinder rulesFinder, PmdExecutor executor) {
046        this.profile = profile;
047        this.rulesFinder = rulesFinder;
048        this.executor = executor;
049      }
050    
051      public void analyse(Project project, SensorContext context) {
052        try {
053          Report report = executor.execute();
054          analyseReport(report, project, context);
055    
056        } catch (Exception e) {
057          // TOFIX
058          throw new XmlParserException(e);
059        }
060      }
061    
062      private void analyseReport(Report report, Project project, SensorContext context) {
063        Iterator<IRuleViolation> pmdViolationIter = report.iterator();
064        while (pmdViolationIter.hasNext()) {
065          IRuleViolation pmdViolation = pmdViolationIter.next();
066          int lineId = pmdViolation.getBeginLine();
067          String ruleKey = pmdViolation.getRule().getName();
068          String message = pmdViolation.getDescription();
069          String filename = pmdViolation.getFilename();
070          Resource resource = JavaFile.fromAbsolutePath(filename, project.getFileSystem().getSourceDirs(), false);
071          // Save violations only for existing resources
072          if (context.getResource(resource) != null) {
073            Rule rule = rulesFinder.findByKey(CoreProperties.PMD_PLUGIN, ruleKey);
074            // Save violations only for enabled rules
075            if (rule != null) {
076              Violation violation = Violation.create(rule, resource).setLineId(lineId).setMessage(message);
077              context.saveViolation(violation);
078            }
079          }
080        }
081      }
082    
083      public boolean shouldExecuteOnProject(Project project) {
084        return !project.getFileSystem().mainFiles(Java.KEY).isEmpty() &&
085          !profile.getActiveRulesByRepository(PmdConstants.REPOSITORY_KEY).isEmpty();
086      }
087    
088      @Override
089      public String toString() {
090        return getClass().getSimpleName();
091      }
092    }