org.springframework.web.servlet.mvc.method.annotation.support
Class ServletModelAttributeMethodProcessor

java.lang.Object
  org.springframework.web.method.annotation.support.ModelAttributeMethodProcessor
      org.springframework.web.servlet.mvc.method.annotation.support.ServletModelAttributeMethodProcessor

All Implemented Interfaces:

HandlerMethodArgumentResolver, HandlerMethodReturnValueHandler

public class ServletModelAttributeMethodProcessor
extends ModelAttributeMethodProcessor

A Servlet-specific ModelAttributeMethodProcessor variant that casts the WebDataBinder instance to ServletRequestDataBinder prior to invoking data binding.

Since:

3.1

Author:

Rossen Stoyanchev

Constructor Summary

ServletModelAttributeMethodProcessor(boolean useDefaultResolution)

Method Summary

protected void

doBind(WebDataBinder binder, NativeWebRequest request) Bind the request to the target object contained in the provided binder instance.

Methods inherited from class org.springframework.web.method.annotation.support.ModelAttributeMethodProcessor

failOnError, handleReturnValue, resolveArgument, shouldValidate, supportsParameter, supportsReturnType

Methods inherited from class java.lang.Object

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

Constructor Detail

ServletModelAttributeMethodProcessor

public ServletModelAttributeMethodProcessor(boolean useDefaultResolution)

Parameters:

useDefaultResolution - in default resolution mode a method argument that isn't a simple type, as defined in BeanUtils.isSimpleProperty(Class), is treated as a model attribute even if it doesn't have an @ModelAttribute annotation with its name derived from the model attribute type.

Method Detail

doBind

protected void doBind(WebDataBinder binder,
                      NativeWebRequest request)

Bind the request to the target object contained in the provided binder instance.

This method downcasts the binder instance to ServletRequestDataBinder and invokes its bind method passing a ServletRequest to it.

Overrides:

doBind in class ModelAttributeMethodProcessor

Parameters:

binder - the binder with the target object to apply request values to

request - the current request