@Test
public void testCustomConstraintValidatorFactory() {
Configuration<?> configuration = Validation.byDefaultProvider().configure();
assertDefaultBuilderAndFactory(configuration);
ValidatorFactory factory = configuration.buildValidatorFactory();
Validator validator = factory.getValidator();
Customer customer = new Customer();
customer.setFirstName("John");
Set<ConstraintViolation<Customer>> constraintViolations = validator.validate(customer);
assertEquals(constraintViolations.size(), 1, "Wrong number of constraints");
ConstraintViolation<Customer> constraintViolation = constraintViolations.iterator().next();
assertEquals("may not be empty", constraintViolation.getMessage(), "Wrong message");
// get a new factory using a custom configuration
configuration = Validation.byDefaultProvider().configure();
configuration.constraintValidatorFactory(
new ConstraintValidatorFactory() {
public <T extends ConstraintValidator<?, ?>> T getInstance(Class<T> key) {
if (key == NotNullValidator.class) {
return (T) new BadlyBehavedNotNullConstraintValidator();
}
return new ConstraintValidatorFactoryImpl().getInstance(key);
}
});
factory = configuration.buildValidatorFactory();
validator = factory.getValidator();
constraintViolations = validator.validate(customer);
assertEquals(constraintViolations.size(), 0, "Wrong number of constraints");
}
public static ValidatorFactory createValidatorFactory(ValidatorProvider provider) {
Configuration<?> config = Validation.byDefaultProvider().configure();
config.constraintValidatorFactory(
new CustomConstraintValidatorFactory(
config.getDefaultConstraintValidatorFactory(), provider));
return config.buildValidatorFactory();
}
@Override
@SuppressWarnings("unchecked")
public void afterPropertiesSet() {
@SuppressWarnings("rawtypes")
Configuration configuration =
(this.providerClass != null
? Validation.byProvider(this.providerClass).configure()
: Validation.byDefaultProvider().configure());
MessageInterpolator targetInterpolator = this.messageInterpolator;
if (targetInterpolator == null) {
targetInterpolator = configuration.getDefaultMessageInterpolator();
}
configuration.messageInterpolator(new LocaleContextMessageInterpolator(targetInterpolator));
if (this.traversableResolver != null) {
configuration.traversableResolver(this.traversableResolver);
}
ConstraintValidatorFactory targetConstraintValidatorFactory = this.constraintValidatorFactory;
if (targetConstraintValidatorFactory == null && this.applicationContext != null) {
targetConstraintValidatorFactory =
new SpringConstraintValidatorFactory(
this.applicationContext.getAutowireCapableBeanFactory());
}
if (targetConstraintValidatorFactory != null) {
configuration.constraintValidatorFactory(targetConstraintValidatorFactory);
}
configureParameterNameProviderIfPossible(configuration);
if (this.mappingLocations != null) {
for (Resource location : this.mappingLocations) {
try {
configuration.addMapping(location.getInputStream());
} catch (IOException ex) {
throw new IllegalStateException("Cannot read mapping resource: " + location);
}
}
}
for (Map.Entry<String, String> entry : this.validationPropertyMap.entrySet()) {
configuration.addProperty(entry.getKey(), entry.getValue());
}
// Allow for custom post-processing before we actually build the ValidatorFactory.
postProcessConfiguration(configuration);
this.validatorFactory = configuration.buildValidatorFactory();
setTargetValidator(this.validatorFactory.getValidator());
}
@Override
public T constraintValidatorFactory(
final ConstraintValidatorFactory constraintValidatorFactory) {
return delegate.constraintValidatorFactory(constraintValidatorFactory);
}
@SuppressWarnings("unchecked")
private static Configuration<?> getConfig(final ValidationInfo info) {
Configuration<?> target = null;
final Thread thread = Thread.currentThread();
final ClassLoader classLoader = thread.getContextClassLoader();
String providerClassName = info.providerClassName;
if (providerClassName == null) {
providerClassName =
SystemInstance.get().getOptions().get(VALIDATION_PROVIDER_KEY, (String) null);
}
if (providerClassName != null) {
try {
@SuppressWarnings({"unchecked", "rawtypes"})
final Class clazz = classLoader.loadClass(providerClassName);
target = Validation.byProvider(clazz).configure();
logger.info("Using " + providerClassName + " as validation provider.");
} catch (final ClassNotFoundException e) {
logger.warning("Unable to load provider class " + providerClassName, e);
} catch (final ValidationException ve) {
logger.warning(
"Unable create validator factory with provider "
+ providerClassName
+ " ("
+ ve.getMessage()
+ ")."
+ " Default one will be used.");
}
}
if (target == null) {
// force to use container provider to ignore any conflicting configuration
thread.setContextClassLoader(ValidatorBuilder.class.getClassLoader());
target = Validation.byDefaultProvider().configure();
thread.setContextClassLoader(classLoader);
}
final Set<ExecutableType> types = new HashSet<>();
for (final String type : info.validatedTypes) {
types.add(ExecutableType.valueOf(type));
}
final Map<String, String> props = new HashMap<>();
for (final Map.Entry<Object, Object> entry : info.propertyTypes.entrySet()) {
final PropertyType property = new PropertyType();
property.setName((String) entry.getKey());
property.setValue((String) entry.getValue());
props.put(property.getName(), property.getValue());
if (logger.isDebugEnabled()) {
logger.debug(
"Found property '" + property.getName() + "' with value '" + property.getValue());
}
target.addProperty(property.getName(), property.getValue());
}
final OpenEjbBootstrapConfig bootstrapConfig =
new OpenEjbBootstrapConfig(
providerClassName,
info.constraintFactoryClass,
info.messageInterpolatorClass,
info.traversableResolverClass,
info.parameterNameProviderClass,
new HashSet<>(info.constraintMappings),
info.executableValidationEnabled,
types,
props);
final OpenEjbConfig config = new OpenEjbConfig(bootstrapConfig, target);
target.ignoreXmlConfiguration();
final String messageInterpolatorClass = info.messageInterpolatorClass;
if (messageInterpolatorClass != null) {
try {
@SuppressWarnings("unchecked")
final Class<MessageInterpolator> clazz =
(Class<MessageInterpolator>) classLoader.loadClass(messageInterpolatorClass);
target.messageInterpolator(newInstance(config, clazz));
} catch (final Exception e) {
logger.warning(
"Unable to set " + messageInterpolatorClass + " as message interpolator.", e);
}
logger.info("Using " + messageInterpolatorClass + " as message interpolator.");
}
final String traversableResolverClass = info.traversableResolverClass;
if (traversableResolverClass != null) {
try {
@SuppressWarnings("unchecked")
final Class<TraversableResolver> clazz =
(Class<TraversableResolver>) classLoader.loadClass(traversableResolverClass);
target.traversableResolver(newInstance(config, clazz));
} catch (final Exception e) {
logger.warning(
"Unable to set " + traversableResolverClass + " as traversable resolver.", e);
}
logger.info("Using " + traversableResolverClass + " as traversable resolver.");
}
final String constraintFactoryClass = info.constraintFactoryClass;
if (constraintFactoryClass != null) {
try {
@SuppressWarnings("unchecked")
final Class<ConstraintValidatorFactory> clazz =
(Class<ConstraintValidatorFactory>) classLoader.loadClass(constraintFactoryClass);
target.constraintValidatorFactory(newInstance(config, clazz));
} catch (final Exception e) {
logger.warning("Unable to set " + constraintFactoryClass + " as constraint factory.", e);
}
logger.info("Using " + constraintFactoryClass + " as constraint factory.");
}
for (final String mappingFileName : info.constraintMappings) {
if (logger.isDebugEnabled()) {
logger.debug("Opening input stream for " + mappingFileName);
}
final InputStream in = classLoader.getResourceAsStream(mappingFileName);
if (in == null) {
logger.warning(
"Unable to open input stream for mapping file "
+ mappingFileName
+ ". It will be ignored");
} else {
target.addMapping(in);
}
}
if (info.parameterNameProviderClass != null) {
try {
final Class<ParameterNameProvider> clazz =
(Class<ParameterNameProvider>) classLoader.loadClass(info.parameterNameProviderClass);
target.parameterNameProvider(newInstance(config, clazz));
} catch (final Exception e) {
logger.warning(
"Unable to set " + info.parameterNameProviderClass + " as parameter name provider.", e);
}
logger.info("Using " + info.parameterNameProviderClass + " as parameter name provider.");
}
return config;
}
@SuppressWarnings("unchecked")
@Override
public T constraintValidatorFactory(ConstraintValidatorFactory constraintValidatorFactory) {
configuration = configuration.constraintValidatorFactory(constraintValidatorFactory);
return (T) this;
}