/**
* Copyright (C) 2011 JTalks.org Team
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.jtalks.jcommune.web.interceptors;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.jtalks.common.model.entity.Component;
import org.jtalks.jcommune.service.ComponentService;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
/**
* Global interceptor that works for all pages of the forum.
* It gets component of the forum and put them to the model
* that will be displayed page.
*
* @author Anuar_Nurmakanov
*
*/
public class ComponentInterceptor extends HandlerInterceptorAdapter {
static final String FORUM_COMPONENT_MODEL_PARAM = "forumComponent";
private ComponentService componentService;
/**
* Constructs an instance with required fields.
*
* @param componentService to get component of the forum
*/
public ComponentInterceptor(ComponentService componentService) {
this.componentService = componentService;
}
/**
* {@inheritDoc}
*/
@Override
public void postHandle(
HttpServletRequest request,
HttpServletResponse response,
Object handler,
ModelAndView modelAndView) throws Exception {
super.postHandle(request, response, handler, modelAndView);
if (modelAndView != null) {
Component component = componentService.getComponentOfForum();
modelAndView.addObject(FORUM_COMPONENT_MODEL_PARAM, component);
}
}
}