public void generate() {
        new AntJacocoReport(getAntBuilder()).execute(
            getJacocoClasspath(),
            projectName.get(),
            getAllClassDirs().filter(File::exists),
            getAllSourceDirs().filter(File::exists),
            getSourceEncoding().getOrNull(),
            getExecutionData().filter(File::exists),
            getReports()
        );
    }

        JacocoCheckResult checkResult = new AntJacocoCheck(getAntBuilder()).execute(
            getJacocoClasspath(),
            projectName,
            getAllClassDirs().filter(File::exists),
            getAllSourceDirs().filter(File::exists),
            getSourceEncoding().getOrNull(),
            getExecutionData().filter(File::exists),
            getViolationRules()
        );

        if (!checkResult.isSuccess()) {

     *
     * @return source directories for the classes reported on
     * @see #getAllClassDirs()
     */
    @Internal
    public FileCollection getAllSourceDirs() {
        return sourceDirectories.plus(getAdditionalSourceDirs());
    }

    /**