BindingErrorProcessor (Spring Framework) - Spring Framework 1.2.9 API 文档英文版

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org.springframework.validation
Interface BindingErrorProcessor

All Known Implementing Classes:: DefaultBindingErrorProcessor

public interface BindingErrorProcessor

Strategy for processing DataBinder's missing field errors, and for translating a PropertyAccessException to a FieldError.

The error processor is pluggable so you can treat errors differently if you want to. A default implementation is provided for typical needs.

Since:: 1.2
Author:: Alef Arendsen, Juergen Hoeller
See Also:: DataBinder.setBindingErrorProcessor(org.springframework.validation.BindingErrorProcessor), DefaultBindingErrorProcessor

Method Summary

void processMissingFieldError(String missingField, BindException errors)
Apply the missing field error to the given BindException.

void processPropertyAccessException(PropertyAccessException ex, BindException errors)
Translate the given PropertyAccessException to an appropriate error registered on the given Errors instance.

Method Summary
`void`	`processMissingFieldError(String missingField, BindException errors)` Apply the missing field error to the given BindException.
`void`	`processPropertyAccessException(PropertyAccessException ex, BindException errors)` Translate the given `PropertyAccessException` to an appropriate error registered on the given `Errors` instance.

Method Detail

processMissingFieldError

void processMissingFieldError(String missingField,
                              BindException errors)

Apply the missing field error to the given BindException.

Usually, a field error is created for a missing required field.

Parameters:: missingField - the field that was missing during binding; errors - the errors object to add the error(s) to. You can add more than just one error or maybe even ignore it.
See Also:: BindException.addError(org.springframework.validation.ObjectError), BindException.resolveMessageCodes(java.lang.String)

processPropertyAccessException

void processPropertyAccessException(PropertyAccessException ex,
                                    BindException errors)

Translate the given PropertyAccessException to an appropriate error registered on the given Errors instance.

Note that two error types are available: FieldError and ObjectError. Usually, field errors are created, but in certain situations one might want to create a global ObjectError instead.

Parameters:: ex - the PropertyAccessException to translate; errors - the errors object to add the error(s) to. You can add more than just one error or maybe even ignore it. The BindException object features convenience utils such as a MessageCodesResolver to resolve an error code into message codes.
See Also:: Errors, FieldError, ObjectError, MessageCodesResolver, BindException.addError(org.springframework.validation.ObjectError), BindException.resolveMessageCodes(java.lang.String)