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

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org.springframework.beans
Interface PropertyEditorRegistry

All Known Subinterfaces:

BeanWrapper, ConfigurablePropertyAccessor

All Known Implementing Classes:

AbstractPropertyAccessor, BeanWrapperImpl, DataBinder, DirectFieldAccessor, PortletRequestDataBinder, PropertyEditorRegistrySupport, ServletRequestDataBinder, SimpleTypeConverter, WebDataBinder

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public interface PropertyEditorRegistry

Encapsulates methods for registering JavaBeans PropertyEditors. This is the central interface that a PropertyEditorRegistrar operates on.

Extended by BeanWrapper; implemented by BeanWrapperImpl and DataBinder.

Since:

1.2.6

Author:

Juergen Hoeller

See Also:

PropertyEditor, PropertyEditorRegistrar, BeanWrapper, DataBinder

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Method Summary
PropertyEditor	findCustomEditor(Class requiredType, String propertyPath)           Find a custom property editor for the given type and property.
void	registerCustomEditor(Class requiredType, PropertyEditor propertyEditor)           Register the given custom property editor for all properties of the given type.
void	registerCustomEditor(Class requiredType, String propertyPath, PropertyEditor propertyEditor)           Register the given custom property editor for the given type and property, or for all properties of the given type.

 

Method Detail

registerCustomEditor

void registerCustomEditor(Class requiredType,
                          PropertyEditor propertyEditor)

Register the given custom property editor for all properties of the given type.

Parameters:

requiredType - the type of the property

propertyEditor - the editor to register

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registerCustomEditor

void registerCustomEditor(Class requiredType,
                          String propertyPath,
                          PropertyEditor propertyEditor)

Register the given custom property editor for the given type and property, or for all properties of the given type.

If the property path denotes an array or Collection property, the editor will get applied either to the array/Collection itself (the PropertyEditor has to create an array or Collection value) or to each element (the PropertyEditor has to create the element type), depending on the specified required type.

Note: Only one single registered custom editor per property path is supported. In the case of a Collection/array, do not register an editor for both the Collection/array and each element on the same property.

For example, if you wanted to register an editor for "items[n].quantity" (for all values n), you would use "items.quality" as the value of the 'propertyPath' argument to this method.

Parameters:

requiredType - the type of the property (can be null if a property is given but should be specified in any case for consistency checking)

propertyPath - the path of the property (name or nested path), or null if registering an editor for all properties of the given type

propertyEditor - editor to register

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findCustomEditor

PropertyEditor findCustomEditor(Class requiredType,
                                String propertyPath)

Find a custom property editor for the given type and property.

Parameters:

requiredType - the type of the property (can be null if a property is given but should be specified in any case for consistency checking)

propertyPath - the path of the property (name or nested path), or null if looking for an editor for all properties of the given type

Returns:

the registered editor, or null if none

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