001    /*
002     * SonarQube, open source software quality management tool.
003     * Copyright (C) 2008-2014 SonarSource
004     * mailto:contact AT sonarsource DOT com
005     *
006     * SonarQube 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     * SonarQube 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 License
017     * along with this program; if not, write to the Free Software Foundation,
018     * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
019     */
020    package org.sonar.xoo.lang;
021    
022    import org.apache.commons.io.FileUtils;
023    import org.apache.commons.lang.StringUtils;
024    import org.slf4j.Logger;
025    import org.slf4j.LoggerFactory;
026    import org.sonar.api.batch.fs.InputFile;
027    import org.sonar.api.batch.measure.MetricFinder;
028    import org.sonar.api.batch.sensor.Sensor;
029    import org.sonar.api.batch.sensor.SensorContext;
030    import org.sonar.api.batch.sensor.SensorDescriptor;
031    import org.sonar.api.batch.sensor.measure.Measure;
032    import org.sonar.api.measures.CoreMetrics;
033    import org.sonar.xoo.Xoo;
034    
035    import java.io.File;
036    import java.io.IOException;
037    import java.io.Serializable;
038    import java.util.List;
039    
040    /**
041     * Parse files *.xoo.measures
042     */
043    public class MeasureSensor implements Sensor {
044    
045      private static final Logger LOG = LoggerFactory.getLogger(MeasureSensor.class);
046    
047      private static final String MEASURES_EXTENSION = ".measures";
048    
049      private MetricFinder metricFinder;
050    
051      public MeasureSensor(MetricFinder metricFinder) {
052        this.metricFinder = metricFinder;
053      }
054    
055      private void processFileMeasures(InputFile inputFile, SensorContext context) {
056        File ioFile = inputFile.file();
057        File measureFile = new File(ioFile.getParentFile(), ioFile.getName() + MEASURES_EXTENSION);
058        if (measureFile.exists()) {
059          LOG.debug("Processing " + measureFile.getAbsolutePath());
060          try {
061            List<String> lines = FileUtils.readLines(measureFile, context.fileSystem().encoding().name());
062            int lineNumber = 0;
063            for (String line : lines) {
064              lineNumber++;
065              if (StringUtils.isBlank(line) || line.startsWith("#")) {
066                continue;
067              }
068              processMeasure(inputFile, context, measureFile, lineNumber, line);
069            }
070          } catch (IOException e) {
071            throw new IllegalStateException(e);
072          }
073        }
074      }
075    
076      private void processMeasure(InputFile inputFile, SensorContext context, File measureFile, int lineNumber, String line) {
077        try {
078          String metricKey = StringUtils.substringBefore(line, ":");
079          String value = line.substring(metricKey.length() + 1);
080          saveMeasure(context, inputFile, metricKey, value);
081        } catch (Exception e) {
082          throw new IllegalStateException("Error processing line " + lineNumber + " of file " + measureFile.getAbsolutePath(), e);
083        }
084      }
085    
086      private void saveMeasure(SensorContext context, InputFile xooFile, String metricKey, String value) {
087        org.sonar.api.batch.measure.Metric<Serializable> metric = metricFinder.findByKey(metricKey);
088        if (metric == null) {
089          throw new IllegalStateException("Unknow metric with key: " + metricKey);
090        }
091        Measure<Serializable> newMeasure = context.newMeasure()
092          .forMetric(metric)
093          .onFile(xooFile);
094        if (Boolean.class.equals(metric.valueType())) {
095          newMeasure.withValue(Boolean.parseBoolean(value));
096        } else if (Integer.class.equals(metric.valueType())) {
097          newMeasure.withValue(Integer.valueOf(value));
098        } else if (Double.class.equals(metric.valueType())) {
099          newMeasure.withValue(Double.valueOf(value));
100        } else if (String.class.equals(metric.valueType())) {
101          newMeasure.withValue(value);
102        } else if (Long.class.equals(metric.valueType())) {
103          newMeasure.withValue(Long.valueOf(value));
104        } else {
105          throw new UnsupportedOperationException("Unsupported type :" + metric.valueType());
106        }
107        newMeasure.save();
108      }
109    
110      @Override
111      public void describe(SensorDescriptor descriptor) {
112        descriptor
113          .name("Xoo Measure Sensor")
114          .provides(CoreMetrics.LINES)
115          .workOnLanguages(Xoo.KEY)
116          .workOnFileTypes(InputFile.Type.MAIN, InputFile.Type.TEST);
117      }
118    
119      @Override
120      public void execute(SensorContext context) {
121        for (InputFile file : context.fileSystem().inputFiles(context.fileSystem().predicates().hasLanguages(Xoo.KEY))) {
122          processFileMeasures(file, context);
123        }
124      }
125    }