com.opensymphony.xwork2.validator.annotations
Annotation Type ExpressionValidator

@Retention(value=RUNTIME)
@Target(value=METHOD)
public @interface ExpressionValidator

This non-field level validator validates a supplied regular expression.

Annotation usage:

The annotation must be applied at method level.

Annotation parameters:

Parameter	Required	Default	Notes
message	yes		field error message
key	no		i18n key from language specific properties file.
shortCircuit	no	false	If this validator should be used as shortCircuit.
expression	yes		An OGNL expression that returns a boolean value.

Example code:

 
 @ExpressionValidator(message = "Default message", key = "i18n.key", shortCircuit = true, expression = "an OGNL expression" )
 
 

Version:

$Id: ExpressionValidator.java 1834 2008-06-21 12:09:59Z rainerh $

Author:

Rainer Hermanns

Required Element Summary

String

expression The expressions to validate.

Optional Element Summary

String	key The message key to lookup for i18n.
String	message The default error message for this validator.
boolean	shortCircuit If this is activated, the validator will be used as short-circuit.

Element Detail

expression

public abstract String expression

The expressions to validate. An OGNL expression that returns a boolean value.

message

public abstract String message

The default error message for this validator. NOTE: It is required to set a message, if you are not using the message key for 18n lookup!

Default:

""

key

public abstract String key

The message key to lookup for i18n.

Default:

""

shortCircuit

public abstract boolean shortCircuit

If this is activated, the validator will be used as short-circuit. Adds the short-circuit="true" attribute value if true.

Default:

false