com.codename1.ui.validation

Class RegexConstraint

java.lang.Object

com.codename1.ui.validation.RegexConstraint

All Implemented Interfaces:

Constraint

public class RegexConstraint
extends Object
implements Constraint

Creates a validation constraint based on a regular expression

Author:

Shai Almog

Constructor Summary

Constructors

Constructor and Description
RegexConstraint(String regex, String errorMessage) Creates a new regex constraint

Method Summary

Modifier and Type	Method and Description
String	getDefaultFailMessage() Includes the error message for the constraint
boolean	isValid(Object value) Indicates if the given value is valid or not
static Constraint	validEmail() Generates a valid email constraint by using a regular expression
static Constraint	validEmail(String errorMessage) Generates a valid email constraint by using a regular expression
static Constraint	validURL() Generates a valid URL constraint by using a regular expression
static Constraint	validURL(String errorMessage) Generates a valid URL constraint by using a regular expression

Methods inherited from class java.lang.Object

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

Constructor Detail

RegexConstraint

public RegexConstraint(String regex,
                       String errorMessage)

Creates a new regex constraint

Parameters:

regex - the regular expression

errorMessage - the default error message if the constraint fails

Method Detail

validEmail

public static Constraint validEmail(String errorMessage)

Generates a valid email constraint by using a regular expression

Parameters:

errorMessage - error message for the constraint

Returns:

a constraint that will fail if the input isn't a valid email

validEmail

public static Constraint validEmail()

Generates a valid email constraint by using a regular expression

Returns:

a constraint that will fail if the input isn't a valid email

validURL

public static Constraint validURL(String errorMessage)

Generates a valid URL constraint by using a regular expression

Parameters:

errorMessage - error message for the constraint

Returns:

a constraint that will fail if the input isn't a valid email

validURL

public static Constraint validURL()

Generates a valid URL constraint by using a regular expression

Returns:

a constraint that will fail if the input isn't a valid email

isValid

public boolean isValid(Object value)

Indicates if the given value is valid or not

Specified by:

isValid in interface Constraint

Parameters:

value - the value for the object

Returns:

true if the value is valid and false otherwise

getDefaultFailMessage

public String getDefaultFailMessage()

Includes the error message for the constraint

Specified by:

getDefaultFailMessage in interface Constraint

Returns:

the text of the error message for a constraint