/*
* Copyright 2012 astamuse company,Ltd.
*
* 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 com.astamuse.asta4d.misc.spring.mvc;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.web.context.ServletConfigAware;
import org.springframework.web.context.ServletContextAware;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
import com.astamuse.asta4d.Context;
import com.astamuse.asta4d.web.WebApplicationConfiguration;
import com.astamuse.asta4d.web.WebApplicationContext;
import com.astamuse.asta4d.web.WebApplicatoinConfigurationInitializer;
/**
*
* This class is used to initialize necessary Asta4D's configuration and context when Asta4D is used as only the template solution for
* Spring MVC.
*
* This class should be declared as singeleton in spring container.
*
* @author e-ryu
*
*/
public class Asta4dTemplateInitializer extends HandlerInterceptorAdapter implements ServletContextAware, ApplicationContextAware,
InitializingBean, ServletConfigAware {
private ServletConfig servletConfig;
private ServletContext servletContext;
private ApplicationContext beanContext;
@Override
public void setServletContext(ServletContext servletContext) {
this.servletContext = servletContext;
}
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
this.beanContext = applicationContext;
}
@Override
public void setServletConfig(ServletConfig servletConfig) {
this.servletConfig = servletConfig;
}
@Override
public void afterPropertiesSet() throws Exception {
WebApplicationConfiguration asta4dConf = beanContext.getBean(WebApplicationConfiguration.class);
createConfigurationInitializer().initConfigurationFromFile(servletConfig, asta4dConf);
WebApplicationConfiguration.setConfiguration(asta4dConf);
}
protected WebApplicatoinConfigurationInitializer createConfigurationInitializer() {
return new WebApplicatoinConfigurationInitializer();
}
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
WebApplicationContext asta4dContext = WebApplicationContext.getCurrentThreadContext();
if (asta4dContext == null) {
asta4dContext = new WebApplicationContext();
Context.setCurrentThreadContext(asta4dContext);
}
asta4dContext.init();
asta4dContext.setRequest(request);
asta4dContext.setResponse(response);
asta4dContext.setServletContext(servletContext);
return true;
}
@Override
public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
Context asta4dContext = Context.getCurrentThreadContext();
if (asta4dContext != null) {
asta4dContext.clear();
}
super.afterCompletion(request, response, handler, ex);
}
}