Examples of org.jacoco.core.analysis.Analyzer

org.jacoco.core.analysis.Analyzer
An {@link Analyzer} instance processes a set of Java class files andcalculates coverage data for them. For each class file the result is reported to a given {@link ICoverageVisitor} instance. In addition the{@link Analyzer} requires a {@link ExecutionDataStore} instance that holdsthe execution data for the classes to analyze. The {@link Analyzer} offersseveral methods to analyze classes from a variety of sources.

    fis.close();
  }


  private IBundleCoverage analyzeStructure() throws IOException {
    final CoverageBuilder coverageBuilder = new CoverageBuilder();
    final Analyzer analyzer = new Analyzer(executionDataStore,
        coverageBuilder);


    analyzer.analyzeAll(classesDirectory);


    return coverageBuilder.getBundle(title);
  }

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  }


  private IBundleCoverage createBundle(final GroupElement group)
      throws IOException {
    final CoverageBuilder builder = new CoverageBuilder();
    final Analyzer analyzer = new Analyzer(executionDataStore, builder);
    for (final Iterator<?> i = group.classfiles.iterator(); i.hasNext();) {
      final Resource resource = (Resource) i.next();
      if (resource.isDirectory() && resource instanceof FileResource) {
        analyzer.analyzeAll(((FileResource) resource).getFile());
      } else {
        final InputStream in = resource.getInputStream();
        analyzer.analyzeAll(in);
        in.close();
      }
    }
    return builder.getBundle(group.name);
  }

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    runtime.shutdown();


    // Together with the original class definition we can calculate coverage
    // information:
    final CoverageBuilder coverageBuilder = new CoverageBuilder();
    final Analyzer analyzer = new Analyzer(executionData, coverageBuilder);
    analyzer.analyzeClass(getTargetClass(targetName));


    // Let's dump some metrics and line coverage information:
    for (final IClassCoverage cc : coverageBuilder.getClasses()) {
      System.out.printf("Coverage of class %s%n", cc.getName());

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    runtime.shutdown();


    // Together with the original class definition we can calculate coverage
    // information:
    final CoverageBuilder coverageBuilder = new CoverageBuilder();
    final Analyzer analyzer = new Analyzer(executionData, coverageBuilder);
    analyzer.analyzeClass(getTargetClass(targetName));


    // Let's dump some metrics and line coverage information:
    for (final IClassCoverage cc : coverageBuilder.getClasses()) {
      System.out.printf("Coverage of class %s%n", cc.getName());

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public class ClassInfo implements ICoverageVisitor {


  private final Analyzer analyzer;


  private ClassInfo() {
    analyzer = new Analyzer(new ExecutionDataStore(), this);
  }

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  protected abstract void run(final Class<?> targetClass) throws Exception;


  private void analyze(final ClassReader reader,
      final ExecutionDataStore store) {
    final CoverageBuilder builder = new CoverageBuilder();
    final Analyzer analyzer = new Analyzer(store, builder);
    analyzer.analyzeClass(reader);
    final Collection<IClassCoverage> classes = builder.getClasses();
    assertEquals(1, classes.size(), 0.0);
    classCoverage = classes.iterator().next();
    final Collection<ISourceFileCoverage> files = builder.getSourceFiles();
    assertEquals(1, files.size(), 0.0);

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    final ExecutionDataStore executionData = new ExecutionDataStore();
    ICoverageVisitor visitor = new ICoverageVisitor() {
      public void visitCoverage(IClassCoverage coverage) {
      }
    };
    final Analyzer analyzer = new Analyzer(executionData, visitor);
    return new Runnable() {
      public void run() {
        for (int i = 0; i < count; i++) {
          analyzer.analyzeClass(bytes);
        }
      }
    };
  }

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  }


  private IBundleCoverage createBundle(final GroupElement group)
      throws IOException {
    final CoverageBuilder builder = new CoverageBuilder();
    final Analyzer analyzer = new Analyzer(executionDataStore, builder);
    for (final Iterator<?> i = group.classfiles.iterator(); i.hasNext();) {
      final Resource resource = (Resource) i.next();
      if (resource.isDirectory() && resource instanceof FileResource) {
        analyzer.analyzeAll(((FileResource) resource).getFile());
      } else {
        final InputStream in = resource.getInputStream();
        analyzer.analyzeAll(in);
        in.close();
      }
    }
    return builder.getBundle(group.name);
  }

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    final ExecutionDataStore executionData = new ExecutionDataStore();
    ICoverageVisitor visitor = new ICoverageVisitor() {
      public void visitCoverage(IClassCoverage coverage) {
      }
    };
    final Analyzer analyzer = new Analyzer(executionData, visitor);
    return new Runnable() {
      public void run() {
        for (int i = 0; i < count; i++) {
          analyzer.analyzeClass(bytes);
        }
      }
    };
  }

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    fis.close();
  }


  private IBundleCoverage analyzeStructure() throws IOException {
    final CoverageBuilder coverageBuilder = new CoverageBuilder();
    final Analyzer analyzer = new Analyzer(executionDataStore,
        coverageBuilder);


    analyzer.analyzeAll(classesDirectory);


    return coverageBuilder.getBundle(title);
  }

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