builder.addFilterUrlMapping("/myservlet/myfilter/*", "/myservlet/myfilter/*", DispatcherType.REQUEST);
builder.addFilter(new FilterInfo("/myfilter/*", PathFilter.class));
builder.addFilterUrlMapping("/myfilter/*", "/myfilter/*", DispatcherType.REQUEST);
builder.addFilter(new FilterInfo("contextRoot", PathFilter.class));
builder.addFilterServletNameMapping("contextRoot", "contextRoot", DispatcherType.REQUEST);
builder.addFilter(new FilterInfo("defaultName", PathFilter.class));
builder.addFilterServletNameMapping("defaultName", "/", DispatcherType.REQUEST);