/*
* 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.controller;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import com.astamuse.asta4d.Context;
import com.astamuse.asta4d.web.WebApplicationContext;
import com.astamuse.asta4d.web.dispatch.AntPathRuleExtractor;
import com.astamuse.asta4d.web.dispatch.RequestDispatcher;
import com.astamuse.asta4d.web.dispatch.mapping.ext.UrlMappingRuleHelper;
//TODO need to cache the mapped result
@Controller
public abstract class GenericControllerBase implements ApplicationContextAware {
private final static Logger logger = LoggerFactory.getLogger(GenericControllerBase.class);
private ApplicationContext beanCtx = null;
private RequestDispatcher dispatcher = new RequestDispatcher();
public void init() {
Context templateContext = Context.getCurrentThreadContext();
if (templateContext == null) {
templateContext = beanCtx.getBean(WebApplicationContext.class);
Context.setCurrentThreadContext(templateContext);
}
UrlMappingRuleHelper helper = new UrlMappingRuleHelper();
initUrlMappingRules(helper);
dispatcher.setRuleExtractor(new AntPathRuleExtractor());
dispatcher.setRuleList(helper.getArrangedRuleList());
logger.info("url mapping rules are initialized.");
}
@RequestMapping(value = "/**")
public void doService(HttpServletRequest request, HttpServletResponse response) throws Exception {
dispatcher.dispatchAndProcess(request, response);
/*
Object contentProvider = dispatcher.handleRequest(request);
return contentProvider == null ? null : convertSpringView(contentProvider);
*/
}
@Override
public void setApplicationContext(ApplicationContext context) throws BeansException {
this.beanCtx = context;
// we have to inovke init here because the
// SpringManagedRequestHandlerResolver need to call application context.
// And there is no matter that dispatcher is initialized in multi times,
// so we do not apply a lock here.
init();
}
protected abstract void initUrlMappingRules(UrlMappingRuleHelper rules);
/*
private View convertSpringView(ContentProvider contentProvider) throws TemplateException {
if (contentProvider instanceof Asta4DPageProvider) {
return new SpringWebPageView((Asta4DPageProvider) contentProvider);
} else if (contentProvider instanceof RedirectActionProvider) {
RedirectActionProvider redirector = (RedirectActionProvider) contentProvider;
String url = RedirectUtil.setFlashScopeData(redirector.getUrl(), redirector.getFlashScopeData());
return new org.springframework.web.servlet.view.RedirectView(url);
}
throw new UnsupportedOperationException("ContentProvider Type:" + contentProvider.getClass().getName());
}
*/
}