Package org.springframework.data.web

Interface OffsetScrollPositionArgumentResolver

All Superinterfaces:

HandlerMethodArgumentResolver

All Known Implementing Classes:

OffsetScrollPositionHandlerMethodArgumentResolver

public interface OffsetScrollPositionArgumentResolver
extends HandlerMethodArgumentResolver

Argument resolver to extract a OffsetScrollPosition object from a NativeWebRequest for a particular MethodParameter. A OffsetScrollPositionArgumentResolver can either resolve OffsetScrollPosition itself or wrap another OffsetScrollPositionArgumentResolver to post-process OffsetScrollPosition.

Since:

3.2

Author:

Yanming Zhou, Mark Paluch

See Also:

• HandlerMethodArgumentResolver

Method Summary

Modifier and Type	Method	Description
Object	resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer, NativeWebRequest webRequest, WebDataBinderFactory binderFactory)	Resolves a OffsetScrollPosition method parameter into an argument value from a given request.

Methods inherited from interface org.springframework.web.method.support.HandlerMethodArgumentResolver

supportsParameter

Method Details

resolveArgument

Object resolveArgument(MethodParameter parameter,
 @Nullable
 ModelAndViewContainer mavContainer,
 NativeWebRequest webRequest,
 @Nullable
 WebDataBinderFactory binderFactory)

Resolves a OffsetScrollPosition method parameter into an argument value from a given request. Supports also wrapped arguments in Optional.

Specified by:

resolveArgument in interface HandlerMethodArgumentResolver

Parameters:

parameter - the method parameter to resolve. This parameter must have previously been passed to HandlerMethodArgumentResolver.supportsParameter(org.springframework.core.MethodParameter) which must have returned true.

mavContainer - the ModelAndViewContainer for the current request

webRequest - the current request

binderFactory - a factory for creating WebDataBinder instances

Returns:

the resolved argument value or null if the value cannot be resolved. The returned value considers Optional wrapping by returing either the value wrapped within Optional or Optional.empty().