public class RedirectAttributesMethodArgumentResolver extends java.lang.Object implements HandlerMethodArgumentResolver
RedirectAttributes.
This resolver must be listed ahead of
ModelMethodProcessor and
MapMethodProcessor,
which support Map and Model arguments both of which are
"super" types of RedirectAttributes and would also attempt to
resolve a RedirectAttributes argument.
| Constructor and Description |
|---|
RedirectAttributesMethodArgumentResolver() |
| Modifier and Type | Method and Description |
|---|---|
java.lang.Object |
resolveArgument(MethodParameter parameter,
ModelAndViewContainer mavContainer,
NativeWebRequest webRequest,
WebDataBinderFactory binderFactory)
Resolves a method parameter into an argument value from a given request.
|
boolean |
supportsParameter(MethodParameter parameter)
Whether the given method parameter is
supported by this resolver.
|
public RedirectAttributesMethodArgumentResolver()
public boolean supportsParameter(MethodParameter parameter)
HandlerMethodArgumentResolversupportsParameter in interface HandlerMethodArgumentResolverparameter - the method parameter to checktrue if this resolver supports the supplied parameter;
false otherwisepublic java.lang.Object resolveArgument(MethodParameter parameter, @Nullable ModelAndViewContainer mavContainer, NativeWebRequest webRequest, @Nullable WebDataBinderFactory binderFactory) throws java.lang.Exception
HandlerMethodArgumentResolverModelAndViewContainer provides access to the model for the
request. A WebDataBinderFactory provides a way to create
a WebDataBinder instance when needed for data binding and
type conversion purposes.resolveArgument in interface HandlerMethodArgumentResolverparameter - 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 requestwebRequest - the current requestbinderFactory - a factory for creating WebDataBinder instancesnull if not resolvablejava.lang.Exception - in case of errors with the preparation of argument values