org.springframework.web.context.support.ServletContextAwareProcessor 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.web.context.support;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanPostProcessor;
import org.springframework.web.context.ServletConfigAware;
import org.springframework.web.context.ServletContextAware;
/**
* {@link org.springframework.beans.factory.config.BeanPostProcessor}
* implementation that passes the ServletContext to beans that implement
* the {@link ServletContextAware} interface.
*
* Web application contexts will automatically register this with their
* underlying bean factory. Applications do not use this directly.
*
* @author Juergen Hoeller
* @since 12.03.2004
* @see org.springframework.web.context.ServletContextAware
* @see org.springframework.web.context.support.XmlWebApplicationContext#postProcessBeanFactory
*/
public class ServletContextAwareProcessor implements BeanPostProcessor {
private ServletContext servletContext;
private ServletConfig servletConfig;
/**
* Create a new ServletContextAwareProcessor for the given context.
*/
public ServletContextAwareProcessor(ServletContext servletContext) {
this(servletContext, null);
}
/**
* Create a new ServletContextAwareProcessor for the given config.
*/
public ServletContextAwareProcessor(ServletConfig servletConfig) {
this(null, servletConfig);
}
/**
* Create a new ServletContextAwareProcessor for the given context and config.
*/
public ServletContextAwareProcessor(ServletContext servletContext, ServletConfig servletConfig) {
this.servletContext = servletContext;
this.servletConfig = servletConfig;
if (servletContext == null && servletConfig != null) {
this.servletContext = servletConfig.getServletContext();
}
}
public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
if (this.servletContext != null && bean instanceof ServletContextAware) {
((ServletContextAware) bean).setServletContext(this.servletContext);
}
if (this.servletConfig != null && bean instanceof ServletConfigAware) {
((ServletConfigAware) bean).setServletConfig(this.servletConfig);
}
return bean;
}
public Object postProcessAfterInitialization(Object bean, String beanName) {
return bean;
}
}