org.springframework.faces.config.ResourcesBeanDefinitionParser Maven / Gradle / Ivy
/*
* Copyright 2004-2008 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.faces.config;
import java.util.Map;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.support.ManagedMap;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.beans.factory.xml.BeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.util.StringUtils;
import org.springframework.web.servlet.handler.SimpleUrlHandlerMapping;
import org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter;
import org.w3c.dom.Element;
/**
* Parser for the resources tag.
*
* @author Rossen Stoyanchev
* @since 2.2.0
*/
public class ResourcesBeanDefinitionParser implements BeanDefinitionParser {
static final String RESOURCE_HANDLER_BEAN_NAME = "jsfResourceRequestHandler";
static final String RESOURCE_HANDLER_CLASS_NAME = "org.springframework.faces.webflow.JsfResourceRequestHandler";
public BeanDefinition parse(Element element, ParserContext parserContext) {
Object source = parserContext.extractSource(element);
registerHandlerAdapterIfNecessary(parserContext, source);
registerResourceHandler(parserContext, source);
registerHandlerMappings(element, parserContext, source);
return null;
}
private void registerHandlerMappings(Element element, ParserContext parserContext, Object source) {
Map urlMap = new ManagedMap();
urlMap.put("/javax.faces.resource/**", RESOURCE_HANDLER_BEAN_NAME);
RootBeanDefinition beanDefinition = new RootBeanDefinition(SimpleUrlHandlerMapping.class);
beanDefinition.setSource(source);
beanDefinition.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
beanDefinition.getPropertyValues().add("urlMap", urlMap);
String order = element.getAttribute("order");
beanDefinition.getPropertyValues().add("order", StringUtils.hasText(order) ? order : 0);
parserContext.getReaderContext().registerWithGeneratedName(beanDefinition);
}
private void registerResourceHandler(ParserContext parserContext, Object source) {
RootBeanDefinition beanDefinition = new RootBeanDefinition(RESOURCE_HANDLER_CLASS_NAME);
beanDefinition.setSource(source);
beanDefinition.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
parserContext.getRegistry().registerBeanDefinition(RESOURCE_HANDLER_BEAN_NAME, beanDefinition);
}
private void registerHandlerAdapterIfNecessary(ParserContext parserContext, Object source) {
if (parserContext.getRegistry().containsBeanDefinition(
"org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter")) {
return;
}
RootBeanDefinition beanDefinition = new RootBeanDefinition(HttpRequestHandlerAdapter.class);
beanDefinition.setSource(source);
beanDefinition.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
parserContext.getReaderContext().registerWithGeneratedName(beanDefinition);
}
}