将JSON映射到RestTemplate时忽略包装器类型

public class MyObject {
    @JsonDeserialize(using = MyDeserializer.class)
    private int value;

    // getter and setter
}

public class MyDeserializer extends JsonDeserializer<Integer> {
    @Override
    public Integer deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
        JsonNode node = jsonParser.getCodec().readTree(jsonParser);
        // 获取JSON中的实际数据
        int value = node.get("value").asInt();
        return value;
    }
}

RestTemplate restTemplate = new RestTemplate();
MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
ObjectMapper objectMapper = new ObjectMapper();
objectMapper.enableDefaultTyping(DefaultTyping.NON_FINAL, JsonTypeInfo.As.PROPERTY);
converter.setObjectMapper(objectMapper);
restTemplate.getMessageConverters().add(converter);

MyObject myObject = restTemplate.getForObject(url, MyObject.class);