code: public static String getVersion(String reportFile) {
  		try {
  			String text = readAsString(reportFile);
  			return getVersionFromText(text);
  		} catch (IOException e) {
  			LOG.error(e.getMessage(), e);
  			return null;
  		}
  	}
docs: Get report version from report file
  
  @param reportFile
  report file
  @return report version