Class LengthConstraint

java.lang.Object
com.codename1.ui.validation.LengthConstraint
All Implemented Interfaces:
Constraint
public class LengthConstraint extends Object implements Constraint
Creates a validation constraint based on minimum input length

  • Constructor Summary

    Constructors
    Constructor
    Description
    LengthConstraint(int length)
    Creates a new length constraint
    LengthConstraint(int length, String errorMessage)
    Creates a new length 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

    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

    • LengthConstraint

      public LengthConstraint(int length, String errorMessage)

      Creates a new length constraint

      Parameters

      • length: the length of the constraint

      • errorMessage: the default error message if the constraint fails

    • LengthConstraint

      public LengthConstraint(int length)

      Creates a new length constraint

      Parameters
      • length: the length of the constraint

  • Method Details

    • 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