protected String extractFileName(String clazz) {
    int clazzStart = StringUtils.lastIndexOf(clazz, '.') + 1;
    clazzStart = Math.max(0, clazzStart);
    int clazzEnd = StringUtils.indexOf(clazz, '$');
    if (clazzEnd < 0) {
      clazzEnd = clazz.length();
    }
    return StringUtils.substring(clazz, clazzStart, clazzEnd);
  }
Given a Document, converts the XML into a Vector of LoggingEvents.

@param document XML document
olv-core/src/main/java/pl/otros/logview/importer/UtilLoggingXmlLogImporter.java