Package in.co.akshitbansal.springwebquery.resolver

Class WebQueryEntityAwarePageableArgumentResolver

java.lang.Object

in.co.akshitbansal.springwebquery.resolver.WebQueryEntityAwarePageableArgumentResolver

All Implemented Interfaces:

org.springframework.web.method.support.HandlerMethodArgumentResolver

public class WebQueryEntityAwarePageableArgumentResolver
extends Object
implements org.springframework.web.method.support.HandlerMethodArgumentResolver

Entity-based resolver for Pageable parameters handled via method-level WebQuery.

This resolver validates requested sort properties directly against the configured entity class and optional FieldMapping aliases declared on WebQuery.

Constructor Summary

Constructors

Constructor	Description
WebQueryEntityAwarePageableArgumentResolver()

Method Summary

Modifier and Type	Method	Description
@Nullable Object	resolveArgument(org.springframework.core.MethodParameter parameter, @Nullable org.springframework.web.method.support.ModelAndViewContainer mavContainer, org.springframework.web.context.request.NativeWebRequest webRequest, @Nullable org.springframework.web.bind.support.WebDataBinderFactory binderFactory)	Resolves and validates a Pageable argument with restricted sorting.
boolean	supportsParameter(org.springframework.core.MethodParameter parameter)	Determines whether this resolver should handle the given parameter.

Methods inherited from class java.lang.Object

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

Constructor Details

WebQueryEntityAwarePageableArgumentResolver

public WebQueryEntityAwarePageableArgumentResolver()

Method Details

supportsParameter

public boolean supportsParameter(org.springframework.core.MethodParameter parameter)

Determines whether this resolver should handle the given parameter.

Specified by:

supportsParameter in interface org.springframework.web.method.support.HandlerMethodArgumentResolver

Parameters:

parameter - method parameter under inspection

Returns:

true when parameter is Pageable with method-level WebQuery and no DTO mapping is configured

resolveArgument

public @Nullable Object resolveArgument(org.springframework.core.MethodParameter parameter,
 @Nullable org.springframework.web.method.support.ModelAndViewContainer mavContainer,
 org.springframework.web.context.request.NativeWebRequest webRequest,
 @Nullable org.springframework.web.bind.support.WebDataBinderFactory binderFactory)
                                 throws Exception

Resolves and validates a Pageable argument with restricted sorting.

Specified by:

resolveArgument in interface org.springframework.web.method.support.HandlerMethodArgumentResolver

Parameters:

parameter - controller method parameter being resolved

mavContainer - current MVC container

webRequest - current request

binderFactory - binder factory

Returns:

validated pageable with alias-mapped sort properties

Throws:

Exception - when resolution fails