/*
* Copyright 2012 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.springframework.data.repository.config;
import org.springframework.beans.factory.BeanClassLoaderAware;
import org.springframework.beans.factory.annotation.AnnotatedBeanDefinition;
import org.springframework.beans.factory.annotation.AnnotatedGenericBeanDefinition;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.beans.factory.support.BeanNameGenerator;
import org.springframework.context.annotation.AnnotationBeanNameGenerator;
import org.springframework.util.ClassUtils;
/**
* Special {@link BeanNameGenerator} to create bean names for Spring Data repositories. Will delegate to an
* {@link AnnotationBeanNameGenerator} but let the delegate work with a customized {@link BeanDefinition} to make sure
* the repository interface is inspected and not the actual bean definition class.
*
* @author Oliver Gierke
*/
public class RepositoryBeanNameGenerator implements BeanNameGenerator, BeanClassLoaderAware {
private static final BeanNameGenerator DELEGATE = new AnnotationBeanNameGenerator();
private ClassLoader beanClassLoader;
/*
* (non-Javadoc)
* @see org.springframework.beans.factory.BeanClassLoaderAware#setBeanClassLoader(java.lang.ClassLoader)
*/
public void setBeanClassLoader(ClassLoader classLoader) {
this.beanClassLoader = classLoader;
}
/*
* (non-Javadoc)
* @see org.springframework.beans.factory.support.BeanNameGenerator#generateBeanName(org.springframework.beans.factory.config.BeanDefinition, org.springframework.beans.factory.support.BeanDefinitionRegistry)
*/
public String generateBeanName(BeanDefinition definition, BeanDefinitionRegistry registry) {
AnnotatedBeanDefinition beanDefinition = new AnnotatedGenericBeanDefinition(getRepositoryInterfaceFrom(definition));
return DELEGATE.generateBeanName(beanDefinition, registry);
}
/**
* Returns the type configured for the {@code repositoryInterface} property of the given bean definition. Uses a
* potential {@link Class} being configured as is or tries to load a class with the given value's {@link #toString()}
* representation.
*
* @param beanDefinition
* @return
*/
private Class<?> getRepositoryInterfaceFrom(BeanDefinition beanDefinition) {
Object value = beanDefinition.getPropertyValues().getPropertyValue("repositoryInterface").getValue();
if (value instanceof Class<?>) {
return (Class<?>) value;
} else {
try {
return ClassUtils.forName(value.toString(), beanClassLoader);
} catch (Exception o_O) {
throw new RuntimeException(o_O);
}
}
}
}