indexcontroller.java

本人编写的基于spring + spring mvc + hibernate架构的新闻系统

package org.coldice.webapp.controller;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.coldice.service.CategoryManager;
import org.coldice.service.NewsManager;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;

public class IndexController implements Controller {

	/** Logger for this class and subclasses */
	protected final Log logger = LogFactory.getLog(getClass());

	private CategoryManager categoryManager;

	private NewsManager newsManager;

	/**
	 * @param newsManager
	 *            the newsManager to set
	 */
	public void setNewsManager(NewsManager newsManager) {
		this.newsManager = newsManager;
	}

	/**
	 * @param categoryManager
	 *            the categoryManager to set
	 */
	public void setCategoryManager(CategoryManager categoryManager) {
		this.categoryManager = categoryManager;
	}

	public ModelAndView handleRequest(HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		// TODO Auto-generated method stub
		String now = (new java.util.Date()).toString();
		logger.info("returning index view with " + now);

		Map<String, Collection<?>> indexModel = new HashMap<String, Collection<?>>();

		Collection cagtegoryList = categoryManager.listCategorys();

		Collection newsList = newsManager.listNewss();

		// Category List
		indexModel.put("categorys", cagtegoryList);
		// News List
		indexModel.put("news", newsList);

		return new ModelAndView("index", "model", indexModel);

	}
}