org.exolab.castor.xml.validators

Class PatternValidator

java.lang.Object

org.exolab.castor.xml.validators.PatternValidator

Direct Known Subclasses:

BigIntegerValidator, ByteValidator, DecimalValidator, DoubleValidator, FloatValidator, IntegerValidator, LongValidator, ShortValidator, StringValidator

public abstract class PatternValidator
extends java.lang.Object

A simple abstract class used for validating types which allow the pattern facet

Version:

$Revision: 5951 $ $Date: 2004-12-11 02:13:52 -0700 (Sat, 11 Dec 2004) $

Author:

Keith Visco

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
(package private) class	PatternValidator.DefaultRegExpEvaluator A simple implementation of a regular expression validator which always returns false.

Constructor Summary

Constructors

Constructor and Description
PatternValidator() Creates a new PatternValidator with no default regular expression
PatternValidator(java.lang.String pattern) Creates a new PatternValidator with the given regular expresion

Method Summary

Modifier and Type	Method and Description
java.lang.String	getPattern() Returns the regular expression pattern for this PatternValidator, or null if no pattern has been set.
boolean	hasPattern() Returns true if a regular expression has been set for this PatternValidator
boolean	isNillable() Returns whether or not objects validated by this Validator are nillable (are allowed to be null).
void	setNillable(boolean nillable) Sets whether or not objects validated by this Validator are allowed to be null (nillable).
void	setPattern(java.lang.String pattern) Sets the regular expression to validate against
void	validate(java.lang.Object object, ValidationContext context) Validates the given Object
void	validate(java.lang.String str, ValidationContext context) Validates the given String against the regular expression pattern of this PatternValidator.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PatternValidator

public PatternValidator()

Creates a new PatternValidator with no default regular expression

PatternValidator

public PatternValidator(java.lang.String pattern)

Creates a new PatternValidator with the given regular expresion

Parameters:

pattern - the regular expression to validate against

Method Detail

getPattern

public java.lang.String getPattern()

Returns the regular expression pattern for this PatternValidator, or null if no pattern has been set.

Returns:

the regular expression pattern

See Also:

setPattern(java.lang.String)

isNillable

public boolean isNillable()

Returns whether or not objects validated by this Validator are nillable (are allowed to be null).

Returns:

true if null is a valid value

hasPattern

public boolean hasPattern()

Returns true if a regular expression has been set for this PatternValidator

Returns:

true if a regular expression has been set for this PatternValidator

setNillable

public void setNillable(boolean nillable)

Sets whether or not objects validated by this Validator are allowed to be null (nillable).

Parameters:

nillable - a boolean that when true indicates null values pass validation

setPattern

public void setPattern(java.lang.String pattern)

Sets the regular expression to validate against

Parameters:

pattern - the regular expression to use when validating

validate

public void validate(java.lang.String str,
                     ValidationContext context)
              throws ValidationException

Validates the given String against the regular expression pattern of this PatternValidator.

Throws:

ValidationException - if the given String is not matched by the regular expression pattern

See Also:

setPattern(java.lang.String)

validate

public void validate(java.lang.Object object,
                     ValidationContext context)
              throws ValidationException

Validates the given Object

Parameters:

object - the Object to validate

context - the ValidationContext

Throws:

ValidationException