mainaction.java

学校新闻发布系统

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package org.news.struts.action;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.news.dao.INews;
import org.news.dao.INewsType;
import org.news.impl.NewsImpl;
import org.news.impl.NewsTypeImpl;
import org.news.pojo.*;

/**
 * MyEclipse Struts Creation date: 01-22-2008
 * 
 * XDoclet definition:
 * 
 * @struts.action validate="true"
 */
public class MainAction extends Action {
	/*
	 * Generated Methods
	 */

	/**
	 * Method execute
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {

		INewsType newsTypeDao = new NewsTypeImpl();
		INews newsDao = new NewsImpl();

		List newsTypeList = newsTypeDao.queryAll();
		List newsCollection = new ArrayList();

		for (Iterator iterator = newsTypeList.iterator(); iterator.hasNext();) {
			NewsType newsType = (NewsType) iterator.next();

			List newsList = newsDao.findByNewsType(newsType);
			newsCollection.add(newsList);
		}

		servlet.getServletContext().setAttribute("newsTypeList", newsTypeList);
		request.setAttribute("newsCollection", newsCollection);
		return mapping.findForward("main");
	}
}