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* Copyright 2010, Red Hat, Inc. and/or its affiliates, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.hibernate.validator.internal.engine;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import javax.validation.ConstraintValidatorFactory;
import javax.validation.ConstraintViolation;
import javax.validation.MessageInterpolator;
import javax.validation.Path;
import javax.validation.TraversableResolver;
import javax.validation.metadata.BeanDescriptor;
import javax.validation.metadata.ConstraintDescriptor;
import javax.validation.metadata.ElementDescriptor;
import javax.validation.metadata.PropertyDescriptor;
import org.hibernate.validator.internal.engine.constraintvalidation.ConstraintValidatorManager;
import org.hibernate.validator.internal.engine.path.BeanMetaDataLocator;
import org.hibernate.validator.internal.engine.path.MessageAndPath;
import org.hibernate.validator.internal.engine.path.PathImpl;
import org.hibernate.validator.internal.metadata.BeanMetaDataManager;
import org.hibernate.validator.internal.metadata.aggregated.BeanMetaData;
/**
* A {@link ValidationContext} implementation which creates and manages violations of type {@link ConstraintViolation}.
*
* @param <T> The type of the root bean for which this context is created.
*
* @author Gunnar Morling
* @author Hardy Ferentschik
*/
public class StandardValidationContext<T> extends ValidationContext<T, ConstraintViolation<T>> {
protected StandardValidationContext(BeanMetaDataManager beanMetaDataManager,
ConstraintValidatorManager constraintValidatorManager,
Class<T> rootBeanClass,
T rootBean,
MessageInterpolator messageInterpolator,
ConstraintValidatorFactory constraintValidatorFactory,
TraversableResolver traversableResolver,
boolean failFast) {
super(
beanMetaDataManager,
constraintValidatorManager,
rootBeanClass,
rootBean,
messageInterpolator,
constraintValidatorFactory,
traversableResolver,
failFast
);
}
@Override
public <U, V> ConstraintViolation<T> createConstraintViolation(ValueContext<U, V> localContext,
MessageAndPath messageAndPath,
ConstraintDescriptor<?> descriptor) {
String messageTemplate = messageAndPath.getMessage();
String interpolatedMessage = messageInterpolator.interpolate(
messageTemplate,
new MessageInterpolatorContext( descriptor, localContext.getCurrentValidatedValue() )
);
Path path = createPathWithElementDescriptors( messageAndPath.getPath() );
return new ConstraintViolationImpl<T>(
messageTemplate,
interpolatedMessage,
getRootBeanClass(),
getRootBean(),
localContext.getCurrentBean(),
localContext.getCurrentValidatedValue(),
path,
descriptor,
localContext.getElementType()
);
}
private Path createPathWithElementDescriptors(Path path) {
BeanMetaDataLocator traverser = BeanMetaDataLocator.createBeanMetaDataLocatorForBeanValidation(
getRootBean(),
getRootBeanClass(),
getBeanMetaDataManager()
);
Iterator<BeanMetaData<?>> beanMetaDataIterator = traverser.beanMetaDataIterator( path.iterator() );
List<ElementDescriptor> elementDescriptors = new ArrayList<ElementDescriptor>();
for ( Path.Node node : path ) {
BeanMetaData beanMetaData = beanMetaDataIterator.next();
if ( isClassLevelConstraintNode( node.getName() ) ) {
BeanDescriptor beanDescriptor = beanMetaData.getBeanDescriptor();
elementDescriptors.add( beanDescriptor );
}
else {
PropertyDescriptor propertyDescriptor = beanMetaData.getBeanDescriptor()
.getConstraintsForProperty( node.getName() );
elementDescriptors.add( propertyDescriptor );
}
}
return PathImpl.createCopyWithElementDescriptorsAttached(
(PathImpl) path,
elementDescriptors
);
}
private boolean isClassLevelConstraintNode(String name) {
return name == null;
}
}