该JsonFactory 类是线程安全的,负责创建作者和读者的实例。枚举 JsonFactory.Feature中提供了可以打开/关闭 的设置列表,它包含静态方法values(),该方法返回具有指定名称的该类型的枚举常量。
public static enum JsonFactory.Feature extends Enum<JsonFactory.Feature>
import com.fasterxml.jackson.core.JsonFactory; public class JsonFactorySettingsTest { public static void main(String[] args) { JsonFactory jsonFactory = new JsonFactory(); for(JsonFactory.Feature feature : JsonFactory.Feature.values()) { boolean result = jsonFactory.isEnabled(feature); System.out.println(feature.name() + ":" + result); } } }
输出结果
INTERN_FIELD_NAMES:true CANONICALIZE_FIELD_NAMES:true FAIL_ON_SYMBOL_HASH_OVERFLOW:true USE_THREAD_LOCAL_FOR_BUFFER_RECYCLING:true