docs: public static DataSource getDataSource(final String jndiName)
              throws FactoryException {
  
          Validate.notBlank(jndiName, "The validated character sequence 'jndiName' is null or empty");
  
          // no need for defensive copies of Strings
  
          try {
              // the initial context is created from the provided JNDI settings
              final Context context = new InitialContext();
  
              // retrieve a data source object, close the context as it is no longer needed, and return the data source
              final Object namedObject = context.lookup(jndiName);
              if (DataSource.class.isInstance(namedObject)) {
                  final DataSource dataSource = (DataSource) context.lookup(jndiName);
                  context.close();
  
                  return dataSource;
              } else {
                  final String error = "The JNDI name '" + jndiName + "' does not reference a SQL DataSource."
                          + " This is a configuration issue.";
                  LOG.warn(error);
                  throw new FactoryException(error);
              }
          } catch (NamingException e) {
              final String error = "Error retrieving JDBC date source from JNDI: " + jndiName;
              LOG.warn(error);
              throw new FactoryException(error, e);
          }
      }