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package org.glassfish.jersey.examples.beanvalidation.webapp.constraint;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.List;
import javax.validation.Constraint;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import javax.validation.Payload;
import org.glassfish.jersey.examples.beanvalidation.webapp.domain.ContactCard;
/**
* Checks whether a given {@link org.glassfish.jersey.examples.beanvalidation.webapp.domain.ContactCard} entity has ID.
* Only return values are supposed to be annotated with this annotation.
*
* @author Michal Gajdos
*/
@Retention(RetentionPolicy.RUNTIME)
@Constraint(validatedBy = {HasId.Validator.class, HasId.ListValidator.class})
public @interface HasId {
String message() default "{org.glassfish.jersey.examples.beanvalidation.webapp.constraint.HasId.message}";
Class<?>[] groups() default {};
Class<? extends Payload>[] payload() default {};
public class Validator implements ConstraintValidator<HasId, ContactCard> {
@Override
public void initialize(final HasId hasId) {
}
@Override
public boolean isValid(final ContactCard contact, final ConstraintValidatorContext constraintValidatorContext) {
return contact == null || contact.getId() != null;
}
}
public class ListValidator implements ConstraintValidator<HasId, List<ContactCard>> {
private Validator validator = new Validator();
@Override
public void initialize(final HasId hasId) {
}
@Override
public boolean isValid(final List<ContactCard> contacts, final ConstraintValidatorContext constraintValidatorContext) {
boolean isValid = true;
for (final ContactCard contactCard : contacts) {
isValid &= validator.isValid(contactCard, constraintValidatorContext);
}
return isValid;
}
}
}