public void testMapFilteringViaProps() throws Exception {
FilterProvider prov =
new SimpleFilterProvider()
.addFilter("filterX", SimpleBeanPropertyFilter.filterOutAllExcept("b"));
String json = MAPPER.writer(prov).writeValueAsString(new MapBean());
assertEquals(aposToQuotes("{'values':{'b':5}}"), json);
}
@Override
public PropertyFilter findPropertyFilter(final Object filterId, final Object valueToFilter) {
if (filterId instanceof String) {
final String id = (String) filterId;
// FilterId should represent a class only in case of root entity is marshalled.
if (id.equals(root.getEntityClass().getName())) {
stack.clear();
return stack.push(root);
}
while (!stack.isEmpty()) {
final FilteringPropertyFilter peek = stack.peek();
final FilteringPropertyFilter subfilter = peek.findSubfilter(id);
if (subfilter != null) {
stack.push(subfilter);
// Need special handling for maps here - map keys can be filtered as well so we just say
// that every key is
// allowed.
if (valueToFilter instanceof Map) {
final Map<String, ?> map = (Map<String, ?>) valueToFilter;
return new FilteringPropertyFilter(
Map.class, map.keySet(), Collections.<String, FilteringPropertyFilter>emptyMap());
}
return subfilter;
} else {
stack.pop();
}
}
}
return SimpleBeanPropertyFilter.filterOutAllExcept();
}
public void testMapFilteringViaClass() throws Exception {
FilteredBean bean = new FilteredBean();
bean.put("a", 4);
bean.put("b", 3);
FilterProvider prov =
new SimpleFilterProvider()
.addFilter("filterForMaps", SimpleBeanPropertyFilter.filterOutAllExcept("b"));
String json = MAPPER.writer(prov).writeValueAsString(bean);
assertEquals(aposToQuotes("{'b':3}"), json);
}