Spring Framework

org.springframework.web.servlet.mvc.method.annotation
Class ServletResponseMethodArgumentResolver

java.lang.Object
  extended by org.springframework.web.servlet.mvc.method.annotation.ServletResponseMethodArgumentResolver
All Implemented Interfaces:
HandlerMethodArgumentResolver

public class ServletResponseMethodArgumentResolver
extends java.lang.Object
implements HandlerMethodArgumentResolver

Resolves response-related method argument values of types:

Since:
3.1
Author:
Arjen Poutsma, Rossen Stoyanchev

Constructor Summary
ServletResponseMethodArgumentResolver()
           
 
Method Summary
 java.lang.Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer, NativeWebRequest webRequest, WebDataBinderFactory binderFactory)
          Set ModelAndViewContainer.setRequestHandled(boolean) to false to indicate that the method signature provides access to the response.
 boolean supportsParameter(MethodParameter parameter)
          Whether the given method parameter is supported by this resolver.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ServletResponseMethodArgumentResolver

public ServletResponseMethodArgumentResolver()
Method Detail

supportsParameter

public boolean supportsParameter(MethodParameter parameter)
Description copied from interface: HandlerMethodArgumentResolver
Whether the given method parameter is supported by this resolver.

Specified by:
supportsParameter in interface HandlerMethodArgumentResolver
Parameters:
parameter - the method parameter to check
Returns:
true if this resolver supports the supplied parameter; false otherwise

resolveArgument

public java.lang.Object resolveArgument(MethodParameter parameter,
                                        ModelAndViewContainer mavContainer,
                                        NativeWebRequest webRequest,
                                        WebDataBinderFactory binderFactory)
                                 throws java.io.IOException
Set ModelAndViewContainer.setRequestHandled(boolean) to false to indicate that the method signature provides access to the response. If subsequently the underlying method returns null, the request is considered directly handled.

Specified by:
resolveArgument in interface HandlerMethodArgumentResolver
Parameters:
parameter - the method parameter to resolve. This parameter must have previously been passed to HandlerMethodArgumentResolver.supportsParameter(org.springframework.core.MethodParameter) and it 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.
Throws:
java.io.IOException

Spring Framework