/*
* Copyright 2002-2007 the original author or authors.
*
* 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.springmodules.validation.bean.conf.loader.annotation.handler.jpa;
import java.lang.annotation.Annotation;
import java.beans.PropertyDescriptor;
import java.util.Set;
import javax.persistence.OneToOne;
import javax.persistence.ManyToOne;
import org.springmodules.validation.bean.conf.MutableBeanValidationConfiguration;
import org.springmodules.validation.bean.conf.loader.annotation.handler.NotNull;
import org.springmodules.validation.bean.rule.PropertyValidationRule;
import org.springmodules.validation.bean.rule.NotNullValidationRule;
import org.springmodules.validation.util.LibraryUtils;
/**
* @author Uri Boness
*/
public class JpaManyToOneAnnotationHandler extends AbstractJpaAnnotationHandler {
public boolean supports(Annotation annotation, Class clazz, PropertyDescriptor descriptor) {
return ManyToOne.class.isInstance(annotation);
}
public void handleAnnotation(Annotation annotation, Class clazz, PropertyDescriptor descriptor, MutableBeanValidationConfiguration configuration) {
ManyToOne manyToOne = (ManyToOne)annotation;
Set<Annotation> annotations = getAllPropertyAnnotations(clazz, descriptor);
// handling nullability only if more explicit validation annotations do not exit.
if (!contains(annotations, NotNull.class) &&
(!LibraryUtils.HIBERNATE_VALIDATOR_IN_CLASSPATH || !contains(annotations, org.hibernate.validator.NotNull.class))) {
if (!manyToOne.optional()) {
PropertyValidationRule propertyRule = new PropertyValidationRule(descriptor.getName(), new NotNullValidationRule());
configuration.addPropertyRule(descriptor.getName(), propertyRule);
}
}
}
}