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

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	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 Object

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

Modifier and Type	Method	Description
protected Object	clone()
boolean	equals(Object obj)	Indicates whether some other object is "equal to" this one.
final Class	getClass()	Returns the runtime class of an object.
int	hashCode()	Returns a hash code value for the object.
final void	notify()	Wakes up a single thread that is waiting on this object's monitor.
final void	notifyAll()	Wakes up all threads that are waiting on this object's monitor.
String	toString()	Returns a string representation of the object.
final void	wait()	Causes current thread to wait until another thread invokes the method or the method for this object.
final void	wait(long timeout)	Causes current thread to wait until either another thread invokes the method or the method for this object, or a specified amount of time has elapsed.
final void	wait(long timeout, int nanos)	Causes current thread to wait until another thread invokes the method or the method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.

Constructor Details

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 Details

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

Parameters

• value: the value for the object

Returns

true if the value is valid and false otherwise

Specified by:

isValid in interface Constraint

getDefaultFailMessage

public String getDefaultFailMessage()

Includes the error message for the constraint

Returns

the text of the error message for a constraint

Specified by:

getDefaultFailMessage in interface Constraint