code: protected void loadQueryProperties(String propertyFilename) {
  
          Properties properties = new Properties();
  
          try {
              properties.load(getClass().getClassLoader().getResourceAsStream(propertyFilename));
              m_queries.putAll(CmsCollectionsGenericWrapper.<String, String> map(properties));
              replaceQuerySearchPatterns();
          } catch (Throwable t) {
              if (LOG.isErrorEnabled()) {
                  LOG.error(
                      Messages.get().getBundle().key(Messages.LOG_LOAD_QUERY_PROP_FILE_FAILED_1, propertyFilename),
                      t);
              }
  
              properties = null;
          }
      }
docs: Loads a Java properties hash containing SQL queries.<p>
  
  @param propertyFilename the package/filename of the properties hash