/**
* Used to register the method validation interceptor binding annotation.
*
* @param beforeBeanDiscoveryEvent event fired before the bean discovery process starts
* @param beanManager the bean manager.
*/
public void beforeBeanDiscovery(
@Observes BeforeBeanDiscovery beforeBeanDiscoveryEvent, final BeanManager beanManager) {
Contracts.assertNotNull(
beforeBeanDiscoveryEvent, "The BeforeBeanDiscovery event cannot be null");
Contracts.assertNotNull(beanManager, "The BeanManager cannot be null");
// Register the interceptor explicitly. This way, no beans.xml is needed
AnnotatedType<ValidationInterceptor> annotatedType =
beanManager.createAnnotatedType(ValidationInterceptor.class);
beforeBeanDiscoveryEvent.addAnnotatedType(annotatedType);
}
/**
* Registers beans for {@code ValidatorFactory} and {@code Validator} if not yet present.
*
* @param afterBeanDiscoveryEvent event fired after the bean discovery phase.
* @param beanManager the bean manager.
*/
public void afterBeanDiscovery(
@Observes AfterBeanDiscovery afterBeanDiscoveryEvent, BeanManager beanManager) {
Contracts.assertNotNull(afterBeanDiscoveryEvent, "The AfterBeanDiscovery event cannot be null");
Contracts.assertNotNull(beanManager, "The BeanManager cannot be null");
ValidationProviderHelper defaultProviderHelper =
ValidationProviderHelper.forDefaultProvider(validatorFactory);
ValidationProviderHelper hvProviderHelper = ValidationProviderHelper.forHibernateValidator();
// register default VF if none has been provided by the application or another PE
if (defaultValidatorFactoryBean == null) {
defaultValidatorFactoryBean = new ValidatorFactoryBean(beanManager, defaultProviderHelper);
if (hibernateValidatorFactoryBean == null && defaultProviderHelper.isHibernateValidator()) {
hibernateValidatorFactoryBean = defaultValidatorFactoryBean;
}
afterBeanDiscoveryEvent.addBean(defaultValidatorFactoryBean);
}
// register VF with @HibernateValidator qualifier in case it hasn't been contributed by the
// application and the
// default VF registered by ourselves isn't for Hibernate Validator
if (hibernateValidatorFactoryBean == null) {
hibernateValidatorFactoryBean = new ValidatorFactoryBean(beanManager, hvProviderHelper);
afterBeanDiscoveryEvent.addBean(hibernateValidatorFactoryBean);
}
// register default validator if required
if (defaultValidatorBean == null) {
defaultValidatorBean =
new ValidatorBean(beanManager, defaultValidatorFactoryBean, defaultProviderHelper);
if (hibernateValidatorBean == null && defaultProviderHelper.isHibernateValidator()) {
hibernateValidatorBean = defaultValidatorBean;
}
afterBeanDiscoveryEvent.addBean(defaultValidatorBean);
}
// register validator with @HibernateValidator if required
if (hibernateValidatorBean == null) {
hibernateValidatorBean =
new ValidatorBean(beanManager, hibernateValidatorFactoryBean, hvProviderHelper);
afterBeanDiscoveryEvent.addBean(hibernateValidatorBean);
}
}
/**
* Used to register the method validation interceptor bindings.
*
* @param processAnnotatedTypeEvent event fired for each annotated type
* @param <T> the annotated type
*/
public <T> void processAnnotatedType(
@Observes @WithAnnotations({Constraint.class, Valid.class, ValidateOnExecution.class})
ProcessAnnotatedType<T> processAnnotatedTypeEvent) {
Contracts.assertNotNull(
processAnnotatedTypeEvent, "The ProcessAnnotatedType event cannot be null");
// validation globally disabled
if (!isExecutableValidationEnabled) {
return;
}
AnnotatedType<T> type = processAnnotatedTypeEvent.getAnnotatedType();
Set<AnnotatedCallable<? super T>> constrainedCallables = determineConstrainedCallables(type);
if (!constrainedCallables.isEmpty()) {
ValidationEnabledAnnotatedType<T> wrappedType =
new ValidationEnabledAnnotatedType<T>(type, constrainedCallables);
processAnnotatedTypeEvent.setAnnotatedType(wrappedType);
}
}
/**
* Watches the {@code ProcessBean} event in order to determine whether beans for {@code
* ValidatorFactory} and {@code Validator} already have been registered by some other component.
*
* @param processBeanEvent event fired for each enabled bean.
*/
public void processBean(@Observes ProcessBean<?> processBeanEvent) {
Contracts.assertNotNull(processBeanEvent, "The ProcessBean event cannot be null");
Bean<?> bean = processBeanEvent.getBean();
if (bean.getTypes().contains(ValidatorFactory.class) || bean instanceof ValidatorFactoryBean) {
if (bean.getQualifiers().contains(defaultQualifier)) {
defaultValidatorFactoryBean = bean;
}
if (bean.getQualifiers().contains(hibernateValidatorQualifier)) {
hibernateValidatorFactoryBean = bean;
}
} else if (bean.getTypes().contains(Validator.class) || bean instanceof ValidatorBean) {
if (bean.getQualifiers().contains(defaultQualifier)) {
defaultValidatorBean = bean;
}
if (bean.getQualifiers().contains(hibernateValidatorQualifier)) {
hibernateValidatorBean = bean;
}
}
}