WebUtils.java 文件源码

/**
 * When filter name not set in annotation, name generates as: . (dot) at the beginning to indicate
 * generated name, followed by lower-cased class name. If class ends with "filter" then it will be cut off.
 * For example, for class "MyCoolFilter" generated name will be ".mycool".
 *
 * @param filter filter annotation
 * @param type   filter type
 * @return filter name or generated name if name not provided
 */
public static String getFilterName(final WebFilter filter, final Class<? extends Filter> type) {
    final String name = Strings.emptyToNull(filter.filterName());
    return name != null ? name : generateName(type, "filter");
}