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using the provided code, sometimes I'm getting "arg0" instead of the right name in the output after a few runs.
{code}
import org.hibernate.validator.parameternameprovider.ParanamerParameterNameProvider;
import javax.validation.ConstraintViolation;
import javax.validation.Validation;
import javax.validation.Validator;
import javax.validation.ValidatorFactory;
import javax.validation.constraints.NotNull;
import java.lang.reflect.Method;
import java.util.Set;
interface Service {
void sayHello(@NotNull String world);
}
class ServiceImpl implements Service {
@Override
public void sayHello(String world) {}
}
public class Test {
public static void main(String[] args) throws NoSuchMethodException {
ValidatorFactory factory = Validation.byDefaultProvider()
.configure()
.parameterNameProvider(new ParanamerParameterNameProvider())
.buildValidatorFactory();
Validator validator = factory.getValidator();
Service service = new ServiceImpl();
Method sayHello = Service.class.getMethod("sayHello", String.class);
Set<ConstraintViolation<Service>> violations = validator.forExecutables().validateParameters(service, sayHello, new Object[]{null});
System.out.println("violations = " + violations.iterator().next().getPropertyPath());
}
}
{code}
{code}
<dependencies>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>5.1.0.Final</version>
</dependency>
<dependency>
<groupId>org.glassfish.web</groupId>
<artifactId>javax.el</artifactId>
<version>2.2.6</version>
</dependency>
<dependency>
<groupId>com.thoughtworks.paranamer</groupId>
<artifactId>paranamer</artifactId>
<version>2.5.5</version>
</dependency>
</dependencies>
{code}
I'm attaching another example but with custom paranamer.
Running with maven I'm not getting the same result:
{noformat}
PASS
====
Running org.test.TestTest
May 06, 2014 5:11:27 PM org.hibernate.validator.internal.util.Version <clinit>
INFO: HV000001: Hibernate Validator 5.1.0.Final
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.281 sec
FAIL
====
Running org.test.TestTest
May 06, 2014 5:11:44 PM org.hibernate.validator.internal.util.Version <clinit>
INFO: HV000001: Hibernate Validator 5.1.0.Final
Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.292 sec <<< FAILURE!
test(org.test.TestTest) Time elapsed: 0.254 sec <<< FAILURE!
....
Results :
Failed tests: test(org.test.TestTest): expected:<sayHello.[foo]> but was:<sayHello.[xxx0]>
Tests run: 1, Failures: 1, Errors: 0, Skipped: 0
{noformat}
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