org.springframework.validation
Class DataBinder

Direct Known Subclasses:

ServletRequestDataBinder

public class DataBinder

Binder that allows for binding property values to a target object.

Author:

Rod Johnson, Juergen Hoeller

Version: $Id: DataBinder.java,v 1.7 2004/02/02 11:22:54 jhoeller Exp $

public final static String MISSING_FIELD_ERROR_CODE

public DataBinder(Object target, String name)

Create a new DataBinder instance.

Parameters:

target - target object to bind onto

name - name of the target object

public void bind(PropertyValues pvs)

Bind the given property values to this binder's target. This call can create field errors, representing basic binding errors like a required field (code "required"), or type mismatch between value and bean property (code "typeMismatch").

Parameters:

pvs - property values to bind

public Map close()
           throws BindException

Close this DataBinder, which may result in throwing a BindException if it encountered any errors

Throws:

BindException - if there were any errors in the bind operation

public BindException getErrors()

Return the Errors instance for this data binder.

Returns: the Errors instance, to be treated as Errors or as BindException

See Also:

Errors

public void registerCustomEditor(Class requiredType, PropertyEditor propertyEditor)

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

Parameters:

requiredType - type of the property

propertyEditor - editor to register

public void registerCustomEditor(Class requiredType, String field, PropertyEditor propertyEditor)

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

Parameters:

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

field - name of the field (can also be a nested path), or null if registering an editor for all fields of the given type

propertyEditor - editor to register

public void setRequiredFields(String[] requiredFields)

Register fields that are required for each binding process.

Parameters:

requiredFields - array of field names

Association Links

to Class java.lang.String

to Class org.springframework.validation.BindException

to Class java.lang.String