wro4j-core/src/main/java/ro/isdc/wro/http/support/ServletContextAttributeHelper.java
public static ServletContextAttributeHelper create(final FilterConfig filterConfig) {
    Validate.notNull(filterConfig);
    final String nameFromParam = filterConfig.getInitParameter(INIT_PARAM_NAME);
    final String name = nameFromParam != null ? nameFromParam : DEFAULT_NAME;
    return new ServletContextAttributeHelper(filterConfig.getServletContext(), name);
  }
public static ServletContextAttributeHelper create(final FilterConfig filterConfig) {
    Validate.notNull(filterConfig);
    final String nameFromParam = filterConfig.getInitParameter(INIT_PARAM_NAME);
    final String name = nameFromParam != null ? nameFromParam : DEFAULT_NAME;
    return new ServletContextAttributeHelper(filterConfig.getServletContext(), name);
  }
Factory method which uses default name for storing/retrieving attributes in {@link ServletContext}.