Package grails.databinding.events

Interface DataBindingListener

All Known Implementing Classes:

DataBindingListenerAdapter

public interface DataBindingListener

A listener which will be notified of events generated during data binding.

Since:

3.0

See Also:

DataBindingListenerAdapter

Method Summary

Modifier and Type	Method	Description
void	afterBinding(java.lang.Object target, java.lang.Object errors)	Called after data binding has finished.
void	afterBinding(java.lang.Object target, java.lang.String propertyName, java.lang.Object errors)	Called after data binding has been imposed on a property
java.lang.Boolean	beforeBinding(java.lang.Object target, java.lang.Object errors)	Called when data binding is about to start.
java.lang.Boolean	beforeBinding(java.lang.Object target, java.lang.String propertyName, java.lang.Object value, java.lang.Object errors)	Called when data binding is about to imposed on a property
void	bindingError(BindingError error, java.lang.Object errors)	Called when an error occurs binding to a property
boolean	supports(java.lang.Class<?> clazz)

Method Detail

supports

boolean supports(java.lang.Class<?> clazz)

Returns:

true if the listener is interested in events for the specified type.

beforeBinding

java.lang.Boolean beforeBinding(java.lang.Object target,
                                java.lang.Object errors)

Called when data binding is about to start.

Parameters:

target - The object data binding is being imposed upon

errors - the Spring Errors instance (a org.springframework.validation.BindingResult)

Returns:

true if data binding should continue

beforeBinding

java.lang.Boolean beforeBinding(java.lang.Object target,
                                java.lang.String propertyName,
                                java.lang.Object value,
                                java.lang.Object errors)

Called when data binding is about to imposed on a property

Parameters:

target - The object data binding is being imposed upon

propertyName - The name of the property being bound to

value - The value of the property being bound

errors - the Spring Errors instance (a org.springframework.validation.BindingResult)

Returns:

true if data binding should continue, otherwise return false

afterBinding

void afterBinding(java.lang.Object target,
                  java.lang.String propertyName,
                  java.lang.Object errors)

Called after data binding has been imposed on a property

Parameters:

target - The object data binding is being imposed upon

propertyName - The name of the property that was bound to

errors - the Spring Errors instance (a org.springframework.validation.BindingResult)

afterBinding

void afterBinding(java.lang.Object target,
                  java.lang.Object errors)

Called after data binding has finished.

Parameters:

target - The object data binding is being imposed upon

errors - the Spring Errors instance (a org.springframework.validation.BindingResult)

bindingError

void bindingError(BindingError error,
                  java.lang.Object errors)

Called when an error occurs binding to a property

Parameters:

error - encapsulates information about the binding error

errors - the Spring Errors instance (a org.springframework.validation.BindingResult)

See Also:

BindingError