public void testJackson428() throws Exception {
ObjectMapper serMapper = new ObjectMapper();
TypeResolverBuilder<?> serializerTyper =
new ObjectMapper.DefaultTypeResolverBuilder(ObjectMapper.DefaultTyping.NON_FINAL);
serializerTyper = serializerTyper.init(JsonTypeInfo.Id.NAME, createTypeNameIdResolver(true));
serializerTyper = serializerTyper.inclusion(JsonTypeInfo.As.PROPERTY);
serMapper.setDefaultTyping(serializerTyper);
// Let's start by constructing something to serialize first
MapHolder holder = new MapHolder();
holder.map = new HashMap<MapKey, List<Object>>();
List<Object> ints = new ArrayList<Object>();
ints.add(Integer.valueOf(3));
holder.map.put(new MapKey("key"), ints);
String json = serMapper.writeValueAsString(holder);
// Then deserialize: need separate mapper to initialize type id resolver appropriately
ObjectMapper deserMapper = new ObjectMapper();
TypeResolverBuilder<?> deserializerTyper =
new ObjectMapper.DefaultTypeResolverBuilder(ObjectMapper.DefaultTyping.NON_FINAL);
deserializerTyper =
deserializerTyper.init(JsonTypeInfo.Id.NAME, createTypeNameIdResolver(false));
deserializerTyper = deserializerTyper.inclusion(JsonTypeInfo.As.PROPERTY);
deserMapper.setDefaultTyping(deserializerTyper);
MapHolder result = deserMapper.readValue(json, MapHolder.class);
assertNotNull(result);
Map<?, ?> map = result.map;
assertEquals(1, map.size());
Map.Entry<?, ?> entry = map.entrySet().iterator().next();
Object key = entry.getKey();
assertEquals(MapKey.class, key.getClass());
Object value = entry.getValue();
assertTrue(value instanceof List<?>);
List<?> list = (List<?>) value;
assertEquals(1, list.size());
assertEquals(Integer.class, list.get(0).getClass());
assertEquals(Integer.valueOf(3), list.get(0));
}
private void appendQueryParams(URI query) {
for (Map.Entry<String, String> param : queryParams.entrySet()) {
query.param(param.getKey(), param.getValue());
}
}