code: @Override
      protected List<File> getSourceXJBs() {
  
          final List<Filter<File>> excludePatterns = xjbExcludeFilters == null
                  ? STANDARD_XJB_EXCLUDE_FILTERS
                  : xjbExcludeFilters;
          Filters.initialize(getLog(), excludePatterns);
  
          return FileSystemUtilities.filterFiles(
                  getProject().getBasedir(),
                  xjbSources,
                  STANDARD_XJB_DIRECTORY,
                  getLog(),
                  "xjbSources",
                  excludePatterns);
      }
docs: {@inheritDoc}