org.hibernate.validator.testutil.ValidationInvocationHandler Maven / Gradle / Ivy
/*
* Hibernate Validator, declare and validate application constraints
*
* License: Apache License, Version 2.0
* See the license.txt file in the root directory or .
*/
package org.hibernate.validator.testutil;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.util.HashSet;
import java.util.Set;
import javax.validation.ConstraintViolation;
import javax.validation.ConstraintViolationException;
import javax.validation.Validator;
/**
* An invocation handler used to test method-level validation.
*
* @author Gunnar Morling
*/
public class ValidationInvocationHandler implements InvocationHandler {
private final Object wrapped;
private final Validator validator;
private final Class[] groups;
public ValidationInvocationHandler(Object wrapped, Validator validator, Class... groups) {
this.wrapped = wrapped;
this.validator = validator;
this.groups = groups;
}
@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
Set> constraintViolations = validator.forExecutables().validateParameters(
wrapped,
method,
args == null ? new Object[] { } : args,
groups
);
if ( !constraintViolations.isEmpty() ) {
throw new ConstraintViolationException( new HashSet>( constraintViolations ) );
}
Object result = method.invoke( wrapped, args );
constraintViolations = validator.forExecutables().validateReturnValue( wrapped, method, result, groups );
if ( !constraintViolations.isEmpty() ) {
throw new ConstraintViolationException( new HashSet>( constraintViolations ) );
}
return result;
}
}