JsonParamConverterProvider.java 文件源码

@Override
public <T> ParamConverter<T> getConverter(Class<T> rawType, Type genericType,
        Annotation[] annotations) {
    if (annotations != null && Arrays.stream(annotations)
            .filter(a -> a instanceof JsonParam)
            .findAny()
            .isPresent() && !Collection.class.isAssignableFrom(rawType)) {
        return new JsonParamConverter<T>(objectMapper, rawType);
    }
    return null;
}