/*
* Copyright 2002-2006 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.beans.factory.xml.support;
import org.springframework.aop.config.AbstractInterceptorDrivenBeanDefinitionDecorator;
import org.springframework.aop.interceptor.DebugInterceptor;
import org.springframework.aop.interceptor.NopInterceptor;
import org.springframework.beans.MutablePropertyValues;
import org.springframework.beans.TestBean;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.config.BeanDefinitionHolder;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser;
import org.springframework.beans.factory.xml.BeanDefinitionDecorator;
import org.springframework.beans.factory.xml.BeanDefinitionParser;
import org.springframework.beans.factory.xml.NamespaceHandlerSupport;
import org.springframework.beans.factory.xml.ParserContext;
import org.w3c.dom.Attr;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
/**
* @author Rob Harrop
*/
public class TestNamespaceHandler extends NamespaceHandlerSupport {
public void init() {
registerBeanDefinitionParser("testBean", new TestBeanDefinitionParser());
registerBeanDefinitionParser("person", new PersonDefinitionParser());
registerBeanDefinitionDecorator("set", new PropertyModifyingBeanDefinitionDecorator());
registerBeanDefinitionDecorator("debug", new DebugBeanDefinitionDecorator());
registerBeanDefinitionDecorator("nop", new NopInterceptorBeanDefinitionDecorator());
registerBeanDefinitionDecoratorForAttribute("object-name", new ObjectNameBeanDefinitionDecorator());
}
private static class TestBeanDefinitionParser implements BeanDefinitionParser {
public BeanDefinition parse(Element element, ParserContext parserContext) {
RootBeanDefinition definition = new RootBeanDefinition();
definition.setBeanClass(TestBean.class);
MutablePropertyValues mpvs = new MutablePropertyValues();
mpvs.addPropertyValue("name", element.getAttribute("name"));
mpvs.addPropertyValue("age", element.getAttribute("age"));
definition.setPropertyValues(mpvs);
parserContext.getRegistry().registerBeanDefinition(element.getAttribute("id"), definition);
return null;
}
}
private static final class PersonDefinitionParser extends AbstractSingleBeanDefinitionParser {
protected Class getBeanClass(Element element) {
return TestBean.class;
}
protected void doParse(Element element, BeanDefinitionBuilder builder) {
builder.addPropertyValue("name", element.getAttribute("name"));
builder.addPropertyValue("age", element.getAttribute("age"));
}
}
private static class PropertyModifyingBeanDefinitionDecorator implements BeanDefinitionDecorator {
public BeanDefinitionHolder decorate(Node node, BeanDefinitionHolder definition, ParserContext parserContext) {
Element element = (Element) node;
BeanDefinition def = definition.getBeanDefinition();
MutablePropertyValues mpvs = (def.getPropertyValues() == null) ? new MutablePropertyValues() : def.getPropertyValues();
mpvs.addPropertyValue("name", element.getAttribute("name"));
mpvs.addPropertyValue("age", element.getAttribute("age"));
((AbstractBeanDefinition) def).setPropertyValues(mpvs);
return definition;
}
}
private static class DebugBeanDefinitionDecorator extends AbstractInterceptorDrivenBeanDefinitionDecorator {
protected BeanDefinition createInterceptorDefinition(Node node) {
return new RootBeanDefinition(DebugInterceptor.class);
}
}
private static class NopInterceptorBeanDefinitionDecorator extends AbstractInterceptorDrivenBeanDefinitionDecorator {
protected BeanDefinition createInterceptorDefinition(Node node) {
return new RootBeanDefinition(NopInterceptor.class);
}
}
private static class ObjectNameBeanDefinitionDecorator implements BeanDefinitionDecorator {
public BeanDefinitionHolder decorate(Node node, BeanDefinitionHolder definition, ParserContext parserContext) {
Attr objectNameAttribute = (Attr) node;
definition.getBeanDefinition().setAttribute("objectName", objectNameAttribute.getValue());
return definition;
}
}
}