Java 类org.codehaus.jackson.map.introspect.NopAnnotationIntrospector 实例源码

public Jackson1Parser(Settings settings, TypeProcessor typeProcessor) {
    super(settings, typeProcessor);
    if (!settings.optionalAnnotations.isEmpty()) {
        final AnnotationIntrospector defaultAnnotationIntrospector = objectMapper.getSerializationConfig().getAnnotationIntrospector();
        final AnnotationIntrospector allAnnotationIntrospector = new NopAnnotationIntrospector() {
            @Override
            public boolean isHandled(Annotation ann) {
                return true;
            }
        };
        this.objectMapper.setAnnotationIntrospector(new AnnotationIntrospector.Pair(defaultAnnotationIntrospector, allAnnotationIntrospector));
    }
}

/**
 * Method for getting {@link AnnotationIntrospector} configured
 * to introspect annotation values used for configuration.
 */
//@Override
public AnnotationIntrospector getAnnotationIntrospector()
{
    /* 29-Jul-2009, tatu: it's now possible to disable use of
     *   annotations; can be done using "no-op" introspector
     */
    if (isEnabled(Feature.USE_ANNOTATIONS)) {
        return _annotationIntrospector;
    }
    return NopAnnotationIntrospector.instance;
}

@Test
public void testCompleteSetup() {
    NopAnnotationIntrospector annotationIntrospector = new NopAnnotationIntrospector();
    ObjectMapper objectMapper = new ObjectMapper();

    assertTrue(factory.isSingleton());
    assertEquals(ObjectMapper.class, factory.getObjectType());

    factory.setObjectMapper(objectMapper);
    factory.setAnnotationIntrospector(annotationIntrospector);
    factory.setFeaturesToEnable(new Object[] {
            SerializationConfig.Feature.FAIL_ON_EMPTY_BEANS,
            DeserializationConfig.Feature.USE_ANNOTATIONS,
            JsonParser.Feature.ALLOW_SINGLE_QUOTES,
            JsonGenerator.Feature.WRITE_NUMBERS_AS_STRINGS
        });
    factory.setFeaturesToDisable(new Object[] {
            SerializationConfig.Feature.AUTO_DETECT_GETTERS,
            DeserializationConfig.Feature.AUTO_DETECT_FIELDS,
            JsonParser.Feature.AUTO_CLOSE_SOURCE,
            JsonGenerator.Feature.QUOTE_FIELD_NAMES
        });

    factory.afterPropertiesSet();

    assertTrue(objectMapper == factory.getObject());

    SerializationConfig serializeConfig = objectMapper.getSerializationConfig();
    DeserializationConfig deserializeConfig = objectMapper.getDeserializationConfig();
    JsonFactory jsonFactory = objectMapper.getJsonFactory();

    assertTrue(annotationIntrospector == serializeConfig.getAnnotationIntrospector());
    assertTrue(annotationIntrospector == deserializeConfig.getAnnotationIntrospector());

    assertTrue(serializeConfig.isEnabled(SerializationConfig.Feature.FAIL_ON_EMPTY_BEANS));
    assertTrue(deserializeConfig.isEnabled(DeserializationConfig.Feature.USE_ANNOTATIONS));
    assertTrue(jsonFactory.isEnabled(JsonParser.Feature.ALLOW_SINGLE_QUOTES));
    assertTrue(jsonFactory.isEnabled(JsonGenerator.Feature.WRITE_NUMBERS_AS_STRINGS));

    assertFalse(serializeConfig.isEnabled(SerializationConfig.Feature.AUTO_DETECT_GETTERS));
    assertFalse(deserializeConfig.isEnabled(DeserializationConfig.Feature.AUTO_DETECT_FIELDS));
    assertFalse(jsonFactory.isEnabled(JsonParser.Feature.AUTO_CLOSE_SOURCE));
    assertFalse(jsonFactory.isEnabled(JsonGenerator.Feature.QUOTE_FIELD_NAMES));
}

public AnnotationIntrospector getAnnotationIntrospector()
{
  if (isEnabled(Feature.USE_ANNOTATIONS))
    return super.getAnnotationIntrospector();
  return NopAnnotationIntrospector.instance;
}

public static AnnotationIntrospector nopInstance()
{
  return NopAnnotationIntrospector.instance;
}

public AnnotationIntrospector getAnnotationIntrospector()
{
  if (isEnabled(Feature.USE_ANNOTATIONS))
    return super.getAnnotationIntrospector();
  return NopAnnotationIntrospector.instance;
}

public static AnnotationIntrospector nopInstance()
{
  return NopAnnotationIntrospector.instance;
}

public AnnotationIntrospector getAnnotationIntrospector()
{
  if (isEnabled(DeserializationConfig.Feature.USE_ANNOTATIONS))
    return super.getAnnotationIntrospector();
  return NopAnnotationIntrospector.instance;
}

public static AnnotationIntrospector nopInstance()
{
  return NopAnnotationIntrospector.instance;
}