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.api.utils;
021    
022    import com.google.common.collect.Maps;
023    import org.apache.commons.io.FilenameUtils;
024    import org.apache.commons.lang.StringUtils;
025    import org.codehaus.staxmate.in.SMHierarchicCursor;
026    import org.codehaus.staxmate.in.SMInputCursor;
027    import org.sonar.api.batch.SensorContext;
028    import org.sonar.api.measures.CoverageMeasuresBuilder;
029    import org.sonar.api.measures.Measure;
030    import org.sonar.api.resources.Resource;
031    
032    import javax.xml.stream.XMLStreamException;
033    
034    import java.io.File;
035    import java.text.ParseException;
036    import java.util.Map;
037    
038    import static java.util.Locale.ENGLISH;
039    import static org.sonar.api.utils.ParsingUtils.parseNumber;
040    
041    /**
042     * @since 3.7
043     * @deprecated in 4.2. This class should be handled internally by plugins
044     */
045    @Deprecated
046    public class CoberturaReportParserUtils {
047    
048      private CoberturaReportParserUtils() {
049      }
050    
051      public interface FileResolver {
052    
053        /**
054         * Return a SonarQube file resource from a filename present in Cobertura report
055         */
056        Resource resolve(String filename);
057      }
058    
059      /**
060       * Parse a Cobertura xml report and create measures accordingly
061       */
062      public static void parseReport(File xmlFile, final SensorContext context, final FileResolver fileResolver) {
063        try {
064          StaxParser parser = new StaxParser(new StaxParser.XmlStreamHandler() {
065    
066            public void stream(SMHierarchicCursor rootCursor) throws XMLStreamException {
067              rootCursor.advance();
068              collectPackageMeasures(rootCursor.descendantElementCursor("package"), context, fileResolver);
069            }
070          });
071          parser.parse(xmlFile);
072        } catch (XMLStreamException e) {
073          throw new XmlParserException(e);
074        }
075      }
076    
077      private static void collectPackageMeasures(SMInputCursor pack, SensorContext context, final FileResolver fileResolver) throws XMLStreamException {
078        while (pack.getNext() != null) {
079          Map<String, CoverageMeasuresBuilder> builderByFilename = Maps.newHashMap();
080          collectFileMeasures(pack.descendantElementCursor("class"), builderByFilename);
081          for (Map.Entry<String, CoverageMeasuresBuilder> entry : builderByFilename.entrySet()) {
082            String filename = sanitizeFilename(entry.getKey());
083            Resource file = fileResolver.resolve(filename);
084            if (fileExists(context, file)) {
085              for (Measure measure : entry.getValue().createMeasures()) {
086                context.saveMeasure(file, measure);
087              }
088            }
089          }
090        }
091      }
092    
093      private static boolean fileExists(SensorContext context, Resource file) {
094        return context.getResource(file) != null;
095      }
096    
097      private static void collectFileMeasures(SMInputCursor clazz, Map<String, CoverageMeasuresBuilder> builderByFilename) throws XMLStreamException {
098        while (clazz.getNext() != null) {
099          String fileName = clazz.getAttrValue("filename");
100          CoverageMeasuresBuilder builder = builderByFilename.get(fileName);
101          if (builder == null) {
102            builder = CoverageMeasuresBuilder.create();
103            builderByFilename.put(fileName, builder);
104          }
105          collectFileData(clazz, builder);
106        }
107      }
108    
109      private static void collectFileData(SMInputCursor clazz, CoverageMeasuresBuilder builder) throws XMLStreamException {
110        SMInputCursor line = clazz.childElementCursor("lines").advance().childElementCursor("line");
111        while (line.getNext() != null) {
112          int lineId = Integer.parseInt(line.getAttrValue("number"));
113          try {
114            builder.setHits(lineId, (int) parseNumber(line.getAttrValue("hits"), ENGLISH));
115          } catch (ParseException e) {
116            throw new XmlParserException(e);
117          }
118    
119          String isBranch = line.getAttrValue("branch");
120          String text = line.getAttrValue("condition-coverage");
121          if (StringUtils.equals(isBranch, "true") && StringUtils.isNotBlank(text)) {
122            String[] conditions = StringUtils.split(StringUtils.substringBetween(text, "(", ")"), "/");
123            builder.setConditions(lineId, Integer.parseInt(conditions[1]), Integer.parseInt(conditions[0]));
124          }
125        }
126      }
127    
128      private static String sanitizeFilename(String s) {
129        String fileName = FilenameUtils.removeExtension(s);
130        fileName = fileName.replace('/', '.').replace('\\', '.');
131        return fileName;
132      }
133    
134    }