Package com.identity4j.util.validator

Class ListValidator

java.lang.Object

com.identity4j.util.validator.ListValidator

All Implemented Interfaces:

Validator

public class ListValidator
extends Object
implements Validator

A validator implementation that checks the supplied values conform to the supplied MINIMUM_SELECTION and MAXIMUM_SELECTION and the values are present in the supplied #LIST_CONTENTS. If the MINIMUM_SELECTION, MAXIMUM_SELECTION or #LIST_CONTENTS is not specified, the validator uses the default values.

Field Summary

Fields

Modifier and Type	Field	Description
static String	LIST_VALUES	Parameter which when supplied, specifies the contents of the list.
static String	MAXIMUM_SELECTION	Parameter which when supplied, specifies the maximum selection for the list.
static String	MINIMUM_SELECTION	Parameter which when supplied, specifies the minimum selection for the list.
static String	TRIM	Parameter which when supplied, specifies if each value should be preserved or trimmed (String.trim()).

Constructor Summary

Constructors

Constructor	Description
ListValidator(MultiMap parameters)	Constructor.

Method Summary

Modifier and Type	Method	Description
boolean	isValueRequired()	Get if the validator's rules would mean the a field value is required.
String	toString()
Collection<ValidationError>	validate(ValidationContext context, String... values)	Validate the supplied values, each value is validated individually.

Methods inherited from class java.lang.Object

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

Field Detail

LIST_VALUES

public static final String LIST_VALUES

Parameter which when supplied, specifies the contents of the list. If this value is not supplied, the validator does not check the list contents.

See Also:

Constant Field Values

MINIMUM_SELECTION

public static final String MINIMUM_SELECTION

Parameter which when supplied, specifies the minimum selection for the list. If this value is not supplied, the validator defaults to a minimum selection of 0.

See Also:

Constant Field Values

MAXIMUM_SELECTION

public static final String MAXIMUM_SELECTION

Parameter which when supplied, specifies the maximum selection for the list. If this value is not supplied, the validator defaults to a maximum selection of 1.

See Also:

Constant Field Values

TRIM

public static final String TRIM

Parameter which when supplied, specifies if each value should be preserved or trimmed (String.trim()). If this value is not supplied, the validator trims each value.

See Also:

Constant Field Values

Constructor Detail

ListValidator

public ListValidator(MultiMap parameters)

Constructor.

Parameters:

parameters - parameters

Method Detail

validate

public final Collection<ValidationError> validate(ValidationContext context,
                                                  String... values)

Description copied from interface: Validator

Validate the supplied values, each value is validated individually.

Specified by:

validate in interface Validator

Parameters:

context - TODO

values - the values to validate

Returns:

the collection of validation failures

toString

public final String toString()

Overrides:

toString in class Object

isValueRequired

public boolean isValueRequired()

Description copied from interface: Validator

Get if the validator's rules would mean the a field value is required. This is a general hint.

Specified by:

isValueRequired in interface Validator

Returns:

required