org.springframework.aop.config.SpringConfiguredBeanDefinitionParser Maven / Gradle / Ivy
/*
* 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.springframework.aop.config;
import org.w3c.dom.Element;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.BeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.util.ClassUtils;
/**
* {@link BeanDefinitionParser} responsible for parsing the <aop:spring-configured/> tag.
*
* @author Rob Harrop
* @author Adrian Colyer
* @since 2.0
*/
class SpringConfiguredBeanDefinitionParser implements BeanDefinitionParser {
private static final String BEAN_CONFIGURER_CLASS_NAME =
"org.springframework.beans.factory.aspectj.AnnotationBeanConfigurerAspect";
private boolean registered;
public BeanDefinition parse(Element element, ParserContext parserContext) {
if (!this.registered) {
BeanDefinitionBuilder builder =
BeanDefinitionBuilder.rootBeanDefinition(getBeanConfigurerClass(), "aspectOf");
builder.setSource(parserContext.extractSource(element));
parserContext.getReaderContext().registerWithGeneratedName(builder.getBeanDefinition());
this.registered = true;
}
return null;
}
/**
* Load the Class instance for the bean configurer.
* @throws IllegalStateException if the bean configurer Class cannot be found
*/
private static Class getBeanConfigurerClass() throws IllegalStateException {
try {
return ClassUtils.forName(BEAN_CONFIGURER_CLASS_NAME);
}
catch (Throwable ex) {
throw new IllegalStateException(
"Unable to load aspect class [" + BEAN_CONFIGURER_CLASS_NAME +
"]: cannot use @Configurable. Root cause: " + ex);
}
}
}