StudentGenderValidator.java

package no.niths.domain.constraints;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;

/**
 * Validator for the gender attribute in Student
 * 
 * <p>
 * Valid values is M, F or null if gender is not provided
 * </p>
 *
 */
public class StudentGenderValidator implements ConstraintValidator<StudentGender, Character> {
 
    @Override
    public void initialize(StudentGender number) {
    }
 
    /**
     * Valid values is M(male), F(emale) or null
     */
    @Override
    public boolean isValid(Character studentSex, ConstraintValidatorContext context) {
        
        if (studentSex == null || studentSex == 'M' || studentSex == 'F')
            return true;
        
        return false;
    }

}