/***
* Copyright (c) 2009 Caelum - www.caelum.com.br/opensource
* All rights reserved.
*
* 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 br.com.caelum.vraptor.ioc.spring;
import javax.servlet.ServletContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.context.ConfigurableWebApplicationContext;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;
import org.springframework.web.context.support.XmlWebApplicationContext;
import br.com.caelum.vraptor.ioc.ApplicationScoped;
/**
* Default implementation for SpringLocator.
* It tries to use spring default location to create the ApplicationContext
* @author Lucas Cavalcanti
*
*/
@ApplicationScoped
public class DefaultSpringLocator implements SpringLocator {
private static final Logger logger = LoggerFactory.getLogger(DefaultSpringLocator.class);
public ConfigurableWebApplicationContext getApplicationContext(ServletContext servletContext) {
ConfigurableWebApplicationContext context = (ConfigurableWebApplicationContext) WebApplicationContextUtils.getWebApplicationContext(servletContext);
if (context != null) {
logger.info("Using a web application context: {}", context);
return context;
}
if (DefaultSpringLocator.class.getResource("/applicationContext.xml") != null) {
logger.info("Using an XmlWebApplicationContext, searching for applicationContext.xml");
XmlWebApplicationContext ctx = new XmlWebApplicationContext();
ctx.setConfigLocation("classpath:applicationContext.xml");
servletContext.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, ctx);
return ctx;
}
logger.info("No application context found");
ConfigurableWebApplicationContext ctx = new AnnotationConfigWebApplicationContext();
ctx.setId("VRaptor");
servletContext.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, ctx);
return ctx;
}
}