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(@Nullable List<InvocableHandlerMethod> binderMethods, @Nullable 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 DefaultDataBinderFactory

createBinder, createBinder, createBinderInstance, setMethodValidationApplicable

Methods inherited from class 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(HandlerMethod, 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.