JerseyResourcesPostProcessor.java 文件源码

/**
 * Check whether given bean definition is a valid {@link Provider} or {@link Path} resource.
 * @param definition Bean definition
 * @param beanClass Bean class
 * @return <code>true</code> if it is a valid JAX-RS resource class
 */
private static boolean isJaxrsResourceClass(BeanDefinition definition, Class<?> beanClass) {
    // check Provider
    if (beanClass.isAnnotationPresent(Provider.class)) {
        if (!definition.isSingleton()) {
            throw new BeanDefinitionValidationException("Invalid JAX-RS @Provider bean definition for bean class ["
                    + beanClass + "]: JAX-RS providers must be singleton beans");
        }
        return true;
    }
    // check Path resource
    Class<?> pathClass = AnnotationUtils.getClassWithAnnotation(beanClass, Path.class);
    if (pathClass != null) {
        return true;
    }
    return false;
}