Package org.springframework.data.web

Class OffsetScrollPositionHandlerMethodArgumentResolver

java.lang.Object

org.springframework.data.web.OffsetScrollPositionHandlerMethodArgumentResolverSupport

org.springframework.data.web.OffsetScrollPositionHandlerMethodArgumentResolver

All Implemented Interfaces:

OffsetScrollPositionArgumentResolver, HandlerMethodArgumentResolver

public class OffsetScrollPositionHandlerMethodArgumentResolver
extends OffsetScrollPositionHandlerMethodArgumentResolverSupport
implements OffsetScrollPositionArgumentResolver

HandlerMethodArgumentResolver to automatically create OffsetScrollPosition instances from request parameters.

Since:

3.2

Author:

Yanming Zhou

Constructor Summary

Constructors

Constructor	Description
OffsetScrollPositionHandlerMethodArgumentResolver()

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.
boolean	supportsParameter(MethodParameter parameter)

Methods inherited from class org.springframework.data.web.OffsetScrollPositionHandlerMethodArgumentResolverSupport

getOffsetParameter, setOffsetParameter, setQualifierDelimiter

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

OffsetScrollPositionHandlerMethodArgumentResolver

public OffsetScrollPositionHandlerMethodArgumentResolver()

Method Details

supportsParameter

public boolean supportsParameter(MethodParameter parameter)

Specified by:

supportsParameter in interface HandlerMethodArgumentResolver

resolveArgument

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

Description copied from interface: OffsetScrollPositionArgumentResolver

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

Specified by:

resolveArgument in interface OffsetScrollPositionArgumentResolver

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().