com.fasterxml.jackson.databind.introspect.Annotated#getRawType ( )源码实例Demo

@Override
public Object findSerializer(Annotated annotatedMethod) {
	IdFormat annotation = _findAnnotation(annotatedMethod, IdFormat.class);
	if (annotatedMethod.getRawType() == UUID.class) {
		if (annotation != null) {
			switch (annotation.value()) {
				case RAW:
					return UUIDSerializer.class;
				case URL62:
					return FriendlyIdSerializer.class;
			}
		}
		return FriendlyIdSerializer.class;
	} else {
		return null;
	}
}
 

@Override
@SuppressWarnings("unchecked")
public JsonSerializer<?> findSerializer(Annotated a) {
  StoredAsJson storedAsJson = a.getAnnotation(StoredAsJson.class);
  RosettaSerialize rosettaSerialize = a.getAnnotation(RosettaSerialize.class);
  if (storedAsJson != null && rosettaSerialize != null) {
    throw new IllegalArgumentException("Cannot have @StoredAsJson as well as @RosettaSerialize annotations on the same entry");
  }
  if (storedAsJson != null) {
    Class<?> type = a.getRawType();
    return storedAsJson.binary() ? new StoredAsJsonBinarySerializer(type) : new StoredAsJsonSerializer(type);
  }

  if (rosettaSerialize != null) {
    Class<? extends JsonSerializer> klass = rosettaSerialize.using();
    if (klass != JsonSerializer.None.class) {
      return ClassUtil.createInstance(
          klass,
          objectMapper.getSerializationConfig().canOverrideAccessModifiers());
    }
  }
  return null;
}
 

@SuppressWarnings("unchecked")
@Override
public Object findSerializer(Annotated am) {
	if (am.hasAnnotation(ManyToOne.class)) {
		return new ManyToOneSerializer((Class<AbstractEntity>) am.getRawType());
	} else {
		return super.findDeserializer(am);
	}
}
 

@Override
public Object findDeserializer(Annotated am) {
	if (am.hasAnnotation(ManyToOne.class)) {
		return new ManyToOneDeserializer(am.getRawType());
	} else {
		return super.findDeserializer(am);
	}
}
 

private Class<?> rawDeserializationType(Annotated a) {
	if (a instanceof AnnotatedMethod) {
		AnnotatedMethod am = (AnnotatedMethod) a;
		if (am.getParameterCount() == 1) {
			return am.getRawParameterType(0);
		}
	}
	return a.getRawType();
}
 

@Override
@SuppressWarnings("unchecked")
public JsonDeserializer<?> findDeserializer(Annotated a) {
  StoredAsJson storedAsJson = a.getAnnotation(StoredAsJson.class);
  RosettaDeserialize rosettaDeserialize = a.getAnnotation(RosettaDeserialize.class);
  if (storedAsJson != null && rosettaDeserialize != null) {
    throw new IllegalArgumentException("Cannot have @StoredAsJson as well as @RosettaDeserialize annotations on the same entry");
  }
  if (storedAsJson != null) {
    if (a instanceof AnnotatedMethod) {
      a = getAnnotatedTypeFromAnnotatedMethod((AnnotatedMethod) a);
    }

    String empty = StoredAsJson.NULL.equals(storedAsJson.empty()) ? "null" : storedAsJson.empty();
    return new StoredAsJsonDeserializer(a.getRawType(), getType(a), empty, objectMapper);
  }

  if (rosettaDeserialize != null) {
    Class<? extends JsonDeserializer> klass = rosettaDeserialize.using();
    if (klass != JsonDeserializer.None.class) {
      return ClassUtil.createInstance(
          klass,
          objectMapper.getDeserializationConfig().canOverrideAccessModifiers());
    }
  }

  return null;
}