/**
* Validates the Bean Validation constraints specified at the parameters and/or return value of
* the intercepted constructor.
*
* @param ctx The context of the intercepted constructor invocation.
* @throws Exception Any exception caused by the intercepted constructor invocation. A {@link
* ConstraintViolationException} in case at least one constraint violation occurred either
* during parameter or return value validation.
*/
@AroundConstruct
public void validateConstructorInvocation(InvocationContext ctx) throws Exception {
ExecutableValidator executableValidator = validator.forExecutables();
Set<? extends ConstraintViolation<?>> violations =
executableValidator.validateConstructorParameters(
ctx.getConstructor(), ctx.getParameters());
if (!violations.isEmpty()) {
throw new ConstraintViolationException(
getMessage(ctx.getConstructor(), ctx.getParameters(), violations), violations);
}
ctx.proceed();
Object createdObject = ctx.getTarget();
violations =
validator
.forExecutables()
.validateConstructorReturnValue(ctx.getConstructor(), createdObject);
if (!violations.isEmpty()) {
throw new ConstraintViolationException(
getMessage(ctx.getConstructor(), ctx.getParameters(), violations), violations);
}
}
@Test
public void shouldUnwrapParameterValueBasedOnProgrammaticConfiguration() throws Exception {
HibernateValidatorConfiguration configuration = ValidatorUtil.getConfiguration();
ConstraintMapping mapping = configuration.createConstraintMapping();
mapping
.type(OrderLine.class)
.method("setId", Property.class)
.parameter(0)
.unwrapValidatedValue(true);
Validator validator =
configuration
.addMapping(mapping)
.addValidatedValueHandler(new PropertyValueUnwrapper())
.buildValidatorFactory()
.getValidator();
OrderLine orderLine = new OrderLine();
Method method = OrderLine.class.getMethod("setId", Property.class);
Object[] parameterValues = new Object[] {new Property<Long>(0L)};
Set<ConstraintViolation<OrderLine>> violations =
validator.forExecutables().validateParameters(orderLine, method, parameterValues);
assertEquals(violations.size(), 1);
}
@Test
public void shouldUnwrapPropertyValuesDuringReturnValueValidation() throws Exception {
Customer customer = new Customer();
Method method = Customer.class.getMethod("retrieveName");
Property<String> returnValue = new Property<String>("Bob");
Set<ConstraintViolation<Customer>> violations =
validator.forExecutables().validateReturnValue(customer, method, returnValue);
assertEquals(violations.size(), 1);
}
@Test
public void shouldUnwrapPropertyValuesDuringParameterValidation() throws Exception {
Customer customer = new Customer();
Method method = Customer.class.getMethod("setName", Property.class);
Object[] parameterValues = new Object[] {new Property<String>("Bob")};
Set<ConstraintViolation<Customer>> violations =
validator.forExecutables().validateParameters(customer, method, parameterValues);
assertEquals(violations.size(), 1);
}
@Test
public void shouldRaiseConstraintsViolationCauseTitleAndPriceNull() throws NoSuchMethodException {
ExecutableValidator methodValidator = validator.forExecutables();
Constructor<Book03> constructor =
Book03.class.getConstructor(
String.class, Float.class, String.class, String.class, Integer.class, Boolean.class);
Set<ConstraintViolation<Book03>> violations =
methodValidator.validateConstructorParameters(
constructor, new Object[] {null, null, null, null, null, null});
displayContraintViolations(violations);
assertEquals(2, violations.size());
}
@Test
public void shouldRaiseNoConstraintViolation() throws NoSuchMethodException {
ExecutableValidator methodValidator = validator.forExecutables();
Constructor<Book03> constructor =
Book03.class.getConstructor(
String.class, Float.class, String.class, String.class, Integer.class, Boolean.class);
Set<ConstraintViolation<Book03>> violations =
methodValidator.validateConstructorParameters(
constructor,
new Object[] {"H2G2", 12.5f, "Best IT Scifi Book", "1234-4566-9876", 247, false});
assertEquals(0, violations.size());
}
/**
* Validates the Bean Validation constraints specified at the parameters and/or return value of
* the intercepted method.
*
* @param ctx The context of the intercepted method invocation.
* @return The result of the method invocation.
* @throws Exception Any exception caused by the intercepted method invocation. A {@link
* ConstraintViolationException} in case at least one constraint violation occurred either
* during parameter or return value validation.
*/
@AroundInvoke
public Object validateMethodInvocation(InvocationContext ctx) throws Exception {
ExecutableValidator executableValidator = validator.forExecutables();
Set<ConstraintViolation<Object>> violations =
executableValidator.validateParameters(
ctx.getTarget(), ctx.getMethod(), ctx.getParameters());
if (!violations.isEmpty()) {
throw new ConstraintViolationException(
getMessage(ctx.getMethod(), ctx.getParameters(), violations), violations);
}
Object result = ctx.proceed();
violations = executableValidator.validateReturnValue(ctx.getTarget(), ctx.getMethod(), result);
if (!violations.isEmpty()) {
throw new ConstraintViolationException(
getMessage(ctx.getMethod(), ctx.getParameters(), violations), violations);
}
return result;
}
@Override
public ExecutableValidator forExecutables() {
return delegate.forExecutables();
}