ApplicationFilterRegistration.java 文件源码

@Override
public void addMappingForServletNames(
        EnumSet<DispatcherType> dispatcherTypes, boolean isMatchAfter,
        String... servletNames) {

    FilterMap filterMap = new FilterMap();

    filterMap.setFilterName(filterDef.getFilterName());

    if (dispatcherTypes != null) {
        for (DispatcherType dispatcherType : dispatcherTypes) {
            filterMap.setDispatcher(dispatcherType.name());
        }
    }

    if (servletNames != null) {
        for (String servletName : servletNames) {
            filterMap.addServletName(servletName);
        }

        if (isMatchAfter) {
            context.addFilterMap(filterMap);
        } else {
            context.addFilterMapBefore(filterMap);
        }
    }
    // else error?
}