ParameterNameProvider

ClearParameterNameProvider.java

private static class ClearParameterNameProvider implements ParameterNameProvider {
    private static ParameterNameDiscoverer discoverer = new LocalVariableTableParameterNameDiscoverer();
    private static ParameterNameProvider provider = new DefaultParameterNameProvider();

    @Override
    public List<String> getParameterNames(Constructor<?> constructor) {
        String[] parameterNames = discoverer.getParameterNames(constructor);
        return Optional.ofNullable(parameterNames).map(Arrays::asList).orElse(provider.getParameterNames(constructor));
    }

    @Override
    public List<String> getParameterNames(Method method) {
        String[] parameterNames = discoverer.getParameterNames(method);
        return Optional.ofNullable(parameterNames).map(Arrays::asList).orElse(provider.getParameterNames(method));
    }
}