newsmanager.java

用ssh框架下开发的一个简单的新闻发布系统

package org.imm.service.impl;

import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.imm.dao.hibernate.NewsDAO;
import org.imm.model.News;
import org.imm.service.INewsManager;

public class NewsManager implements INewsManager {

	protected final Log log = LogFactory.getLog(NewsManager.class);
	private NewsDAO newsDAO;

	/* (non-Javadoc)
	 * @see org.imm.service.impl.INewsManager#getNewsDAO()
	 */
	public NewsDAO getNewsDAO() {
		return newsDAO;
	}

	/* (non-Javadoc)
	 * @see org.imm.service.impl.INewsManager#setNewsDAO(org.imm.dao.hibernate.NewsDAO)
	 */
	public void setNewsDAO(NewsDAO newsDAO) {
		this.newsDAO = newsDAO;
	}
	
	/* (non-Javadoc)
	 * @see org.imm.service.impl.INewsManager#saveNews(org.imm.model.News)
	 */
	public void saveNews(News news){
		newsDAO.save(news);
	}
	
	/* (non-Javadoc)
	 * @see org.imm.service.impl.INewsManager#getNewses(org.imm.model.News)
	 */
	public List getNewses(News newses) {
		List list = null;
		try {
			list = newsDAO.findByExample(newses);
		} catch (Exception e) {
			log.error("Failure to get users.", e);
		}
		return list;
	}
	
	/* (non-Javadoc)
	 * @see org.imm.service.impl.INewsManager#deleteNews(java.lang.Integer)
	 */
	public void deleteNews(Integer id){
		News news=newsDAO.findById(id);
		try{
			newsDAO.delete(news);
		} catch (Exception e){
			log.error("Failure to delete users.",e);
		}
	}
	
	/* (non-Javadoc)
	 * @see org.imm.service.impl.INewsManager#getNews(java.lang.Integer)
	 */
	public News getNews(Integer id){
		return newsDAO.findById(id);
	}
	
//	public void saveFindNews(Integer id){
//		News news=newsDAO.findById(id);
//		newsDAO.save(news);
//	}
	
//	public void saveOrUpdateNews(Integer id,String title,String content){
//		News news=newsDAO.findById(id);
//		news.setNewid(id);
//		news.setTitle(title);
//		news.setContent(content);
//	}
	
//	public News mergeNews(News news){
//		return newsDAO.merge(news);
//	}
	
//	public void saveOrUpdateNews(News news,Integer id){
//		newsDAO.saveOrUpdate(news, id);
//	}
}