Package org.springframework.web.method.annotation

Class InitBinderDataBinderFactory

java.lang.Object

org.springframework.web.bind.support.DefaultDataBinderFactory

org.springframework.web.method.annotation.InitBinderDataBinderFactory

All Implemented Interfaces:

WebDataBinderFactory

Direct Known Subclasses:

ServletRequestDataBinderFactory

public class InitBinderDataBinderFactory
extends DefaultDataBinderFactory

Adds initialization to a WebDataBinder via @InitBinder methods.

Since:

3.1

Author:

Rossen Stoyanchev

Constructor Summary

Constructors

Constructor	Description
InitBinderDataBinderFactory(List<InvocableHandlerMethod> binderMethods, WebBindingInitializer initializer)	Create a new InitBinderDataBinderFactory instance.

Method Summary

Modifier and Type	Method	Description
void	initBinder(WebDataBinder dataBinder, NativeWebRequest request)	Initialize a WebDataBinder with @InitBinder methods.
protected boolean	isBinderMethodApplicable(HandlerMethod initBinderMethod, WebDataBinder dataBinder)	Determine whether the given @InitBinder method should be used to initialize the given WebDataBinder instance.

Methods inherited from class org.springframework.web.bind.support.DefaultDataBinderFactory

createBinder, createBinderInstance

Methods inherited from class java.lang.Object

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

Constructor Details

InitBinderDataBinderFactory

public InitBinderDataBinderFactory(@Nullable
 List<InvocableHandlerMethod> binderMethods,
 @Nullable
 WebBindingInitializer initializer)

Create a new InitBinderDataBinderFactory instance.

Parameters:

binderMethods - @InitBinder methods

initializer - for global data binder initialization

Method Details

initBinder

public void initBinder(WebDataBinder dataBinder,
 NativeWebRequest request)
                throws Exception

Initialize a WebDataBinder with @InitBinder methods.

If the @InitBinder annotation specifies attributes names, it is invoked only if the names include the target object name.

Overrides:

initBinder in class DefaultDataBinderFactory

Parameters:

dataBinder - the data binder instance to customize

request - the current request

Throws:

Exception - if one of the invoked @InitBinder methods fails

See Also:

• isBinderMethodApplicable(org.springframework.web.method.HandlerMethod, org.springframework.web.bind.WebDataBinder)

isBinderMethodApplicable

protected boolean isBinderMethodApplicable(HandlerMethod initBinderMethod,
 WebDataBinder dataBinder)

Determine whether the given @InitBinder method should be used to initialize the given WebDataBinder instance. By default we check the specified attribute names in the annotation value, if any.