public class SessionAttributeMethodArgumentResolver extends AbstractNamedValueMethodArgumentResolver
SessionAttribute.AbstractNamedValueMethodArgumentResolver.NamedValueInfo| Constructor and Description |
|---|
SessionAttributeMethodArgumentResolver() |
| Modifier and Type | Method and Description |
|---|---|
protected AbstractNamedValueMethodArgumentResolver.NamedValueInfo |
createNamedValueInfo(MethodParameter parameter)
Create the
AbstractNamedValueMethodArgumentResolver.NamedValueInfo object for the given method parameter. |
protected void |
handleMissingValue(java.lang.String name,
MethodParameter parameter)
Invoked when a named value is required, but
AbstractNamedValueMethodArgumentResolver.resolveName(String, MethodParameter, NativeWebRequest)
returned null and there is no default value. |
protected java.lang.Object |
resolveName(java.lang.String name,
MethodParameter parameter,
NativeWebRequest request)
Resolve the given parameter type and value name into an argument value.
|
boolean |
supportsParameter(MethodParameter parameter)
Whether the given method parameter is
supported by this resolver.
|
handleMissingValue, handleResolvedValue, resolveArgumentpublic SessionAttributeMethodArgumentResolver()
public boolean supportsParameter(MethodParameter parameter)
HandlerMethodArgumentResolverparameter - the method parameter to checktrue if this resolver supports the supplied parameter;
false otherwiseprotected AbstractNamedValueMethodArgumentResolver.NamedValueInfo createNamedValueInfo(MethodParameter parameter)
AbstractNamedValueMethodArgumentResolverAbstractNamedValueMethodArgumentResolver.NamedValueInfo object for the given method parameter. Implementations typically
retrieve the method annotation by means of MethodParameter.getParameterAnnotation(Class).createNamedValueInfo in class AbstractNamedValueMethodArgumentResolverparameter - the method parameter@Nullable protected java.lang.Object resolveName(java.lang.String name, MethodParameter parameter, NativeWebRequest request)
AbstractNamedValueMethodArgumentResolverresolveName in class AbstractNamedValueMethodArgumentResolvername - the name of the value being resolvedparameter - the method parameter to resolve to an argument value
(pre-nested in case of a Optional declaration)request - the current requestnull)protected void handleMissingValue(java.lang.String name,
MethodParameter parameter)
throws ServletException
AbstractNamedValueMethodArgumentResolverAbstractNamedValueMethodArgumentResolver.resolveName(String, MethodParameter, NativeWebRequest)
returned null and there is no default value. Subclasses typically throw an exception in this case.handleMissingValue in class AbstractNamedValueMethodArgumentResolvername - the name for the valueparameter - the method parameterServletException