public void someAction(@Mask("###") final String foo) {
}
}
final Method method = findMethod(Customer.class, "someAction", new Class[] { String.class });
facetFactory.processParams(new ProcessParameterContext(method, 0, facetedMethodParameter));
final Facet facet = facetedMethodParameter.getFacet(MaskFacet.class);
assertNotNull(facet);
assertTrue(facet instanceof MaskFacetOnParameterAnnotation);
final MaskFacetOnParameterAnnotation maskFacet = (MaskFacetOnParameterAnnotation) facet;