/*
* Copyright 2010 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.directwebremoting.spring.namespace;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.directwebremoting.spring.BeanCreator;
import org.directwebremoting.spring.CreatorConfig;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.beans.factory.xml.BeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.util.StringUtils;
import org.w3c.dom.Element;
/**
* Creates a proxy for a bean usually defined in another Spring context and referenced
* using <code><dwr:proxy-ref /></code>
*
* @author Jose Noheda [jose.noheda@gmail.com]
*/
public class ProxyParser extends CreatorParserHelper implements BeanDefinitionParser
{
private static final Log log = LogFactory.getLog(ProxyParser.class);
public BeanDefinition parse(Element proxyElement, ParserContext parserContext)
{
String beanRef = proxyElement.getAttribute("bean");
BeanDefinitionRegistry registry = parserContext.getRegistry();
BeanDefinition beanRefDefinition = findParentDefinition(beanRef, registry);
String javascript = proxyElement.getAttribute("javascript");
if (!StringUtils.hasText(javascript))
{
javascript = StringUtils.capitalize(beanRef);
if (log.isDebugEnabled())
{
log.debug("No javascript name provided. Remoting using bean id [" + javascript + "]");
}
javascript = StringUtils.capitalize(beanRef);
}
BeanDefinitionBuilder beanCreator = BeanDefinitionBuilder.rootBeanDefinition(BeanCreator.class);
beanCreator.addPropertyValue("beanClass", resolveBeanClassname(beanRefDefinition, registry));
beanCreator.addPropertyValue("beanId", beanRef);
beanCreator.addDependsOn(beanRef);
beanCreator.addPropertyValue("javascript", javascript);
BeanDefinitionBuilder creatorConfig = BeanDefinitionBuilder.rootBeanDefinition(CreatorConfig.class);
creatorConfig.addPropertyValue("creator", beanCreator.getBeanDefinition());
configureCreator(registry, javascript, creatorConfig, proxyElement.getChildNodes());
registerCreator(registry, creatorConfig, javascript);
return creatorConfig.getBeanDefinition();
}
}