org.apache.openjpa.example.gallery.constraint
Class ImageValidator

java.lang.Object
  org.apache.openjpa.example.gallery.constraint.ImageValidator

All Implemented Interfaces:

ConstraintValidator<ImageConstraint,Image>

public class ImageValidator
extends Object
implements ConstraintValidator<ImageConstraint,Image>

Simple validator used to verify that image data is of a supported type

Constructor Summary

ImageValidator()

Method Summary

void	initialize(ImageConstraint constraint) Configure the constraint validator based on the image types it should support.
boolean	isValid(Image value, ConstraintValidatorContext context) Validate a specified value.

Methods inherited from class java.lang.Object

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

Constructor Detail

ImageValidator

public ImageValidator()

Method Detail

initialize

public void initialize(ImageConstraint constraint)

Configure the constraint validator based on the image types it should support.

Specified by:

initialize in interface ConstraintValidator<ImageConstraint,Image>

Parameters:

constraint - the constraint definition

isValid

public boolean isValid(Image value,
                       ConstraintValidatorContext context)

Validate a specified value.

Specified by:

isValid in interface ConstraintValidator<ImageConstraint,Image>