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DefaultBindingErrorProcessor (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.validation
Class DefaultBindingErrorProcessor

java.lang.Object
  org.springframework.validation.DefaultBindingErrorProcessor

All Implemented Interfaces:

BindingErrorProcessor

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public class DefaultBindingErrorProcessor
extends Object
implements BindingErrorProcessor

Default BindingErrorProcessor implementation.

Uses the "required" error code and the field name to resolve message codes for a missing field error.

Creates a FieldError for each PropertyAccessException given, using the PropertyAccessException's error code ("typeMismatch", "methodInvocation") for resolving message codes.

Since:

1.2

Author:

Alef Arendsen, Juergen Hoeller

See Also:

MISSING_FIELD_ERROR_CODE, DataBinder.setBindingErrorProcessor(org.springframework.validation.BindingErrorProcessor), AbstractBindingResult.addError(org.springframework.validation.ObjectError), AbstractBindingResult.resolveMessageCodes(java.lang.String), ErrorCoded.getErrorCode(), TypeMismatchException.ERROR_CODE, MethodInvocationException.ERROR_CODE

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Field Summary
static String	MISSING_FIELD_ERROR_CODE           Error code that a missing field error (i.e. a required field not found in the list of property values) will be registered with: "required".

 

Constructor Summary
DefaultBindingErrorProcessor()

 

Method Summary
protected  Object[]	getArgumentsForBindError(String objectName, String field)           Return FieldError arguments for a binding error on the given field.
void	processMissingFieldError(String missingField, BindingResult bindingResult)           Apply the missing field error to the given BindException.
void	processPropertyAccessException(PropertyAccessException ex, BindingResult bindingResult)           Translate the given PropertyAccessException to an appropriate error registered on the given Errors instance.

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

MISSING_FIELD_ERROR_CODE

public static final String MISSING_FIELD_ERROR_CODE

Error code that a missing field error (i.e. a required field not found in the list of property values) will be registered with: "required".

See Also:

Constant Field Values

Constructor Detail

DefaultBindingErrorProcessor

public DefaultBindingErrorProcessor()

Method Detail

processMissingFieldError

public void processMissingFieldError(String missingField,
                                     BindingResult bindingResult)

Description copied from interface: BindingErrorProcessor

Apply the missing field error to the given BindException.

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

Specified by:

processMissingFieldError in interface BindingErrorProcessor

Parameters:

missingField - the field that was missing during binding

bindingResult - the errors object to add the error(s) to. You can add more than just one error or maybe even ignore it. The BindingResult object features convenience utils such as a resolveMessageCodes method to resolve an error code.

See Also:

AbstractBindingResult.addError(org.springframework.validation.ObjectError), AbstractBindingResult.resolveMessageCodes(java.lang.String)

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processPropertyAccessException

public void processPropertyAccessException(PropertyAccessException ex,
                                           BindingResult bindingResult)

Description copied from interface: BindingErrorProcessor

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.

Specified by:

processPropertyAccessException in interface BindingErrorProcessor

Parameters:

ex - the PropertyAccessException to translate

bindingResult - the errors object to add the error(s) to. You can add more than just one error or maybe even ignore it. The BindingResult object features convenience utils such as a resolveMessageCodes method to resolve an error code.

See Also:

Errors, FieldError, ObjectError, MessageCodesResolver, AbstractBindingResult.addError(org.springframework.validation.ObjectError), AbstractBindingResult.resolveMessageCodes(java.lang.String)

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getArgumentsForBindError

protected Object[] getArgumentsForBindError(String objectName,
                                            String field)

Return FieldError arguments for a binding error on the given field. Invoked for each missing required fields and each type mismatch.

Default implementation returns a DefaultMessageSourceResolvable with "objectName.field" and "field" as codes.

Parameters:

field - the field that caused the binding error

Returns:

the Object array that represents the FieldError arguments

See Also:

DefaultMessageSourceResolvable.getArguments(), DefaultMessageSourceResolvable

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