com.broadleafcommerce.cartoperation.web.resolver

Class CartHandlerMethodArgumentResolver

java.lang.Object

com.broadleafcommerce.cartoperation.web.resolver.CartHandlerMethodArgumentResolver

All Implemented Interfaces:

org.springframework.web.method.support.HandlerMethodArgumentResolver

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

Resolves the Cart parameter for controller methods that require it. This will throw an EntityMissingException for methods where the Cart parameter is not marked as nullable and the cart could not be determined.

Author:

Chris Kittrell

Constructor Summary

Constructors

Constructor and Description
CartHandlerMethodArgumentResolver(CartHolder<com.broadleafcommerce.cart.client.domain.Cart> requestCartHolder)

Method Summary

Modifier and Type	Method and Description
protected <A extends Annotation> boolean	hasAnnotation(org.springframework.core.MethodParameter param, Class<A> annotationClass) Tells whether the method parameter has the given annotation on it
protected boolean	isRequired(org.springframework.core.MethodParameter param) Tells if the given parameter is required.
Object	resolveArgument(org.springframework.core.MethodParameter parameter, org.springframework.web.method.support.ModelAndViewContainer mavContainer, org.springframework.web.context.request.NativeWebRequest webRequest, org.springframework.web.bind.support.WebDataBinderFactory binderFactory)
boolean	supportsParameter(org.springframework.core.MethodParameter parameter)

Methods inherited from class java.lang.Object

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

Constructor Detail

CartHandlerMethodArgumentResolver

public CartHandlerMethodArgumentResolver(CartHolder<com.broadleafcommerce.cart.client.domain.Cart> requestCartHolder)

Method Detail

supportsParameter

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

Specified by:

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

resolveArgument

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

Specified by:

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

isRequired

protected boolean isRequired(org.springframework.core.MethodParameter param)

Tells if the given parameter is required. Determine by the presence of Nullable annotations on the parameter.

Parameters:

param - the method parameter to test

Returns:

true if required, false if optional

hasAnnotation

protected <A extends Annotation> boolean hasAnnotation(org.springframework.core.MethodParameter param,
                                                       Class<A> annotationClass)

Tells whether the method parameter has the given annotation on it

Type Parameters:

A - some annotation class

Parameters:

param - the method parameter to test

annotationClass - the annotation class to test the presence of

Returns:

true if the parameter has the given annotation, false otherwise