affichexml.java

基于struct结构的jsp

package com.ntsky.xml.bbs;

import java.io.*;
import java.util.*;
import org.dom4j.*;
import org.dom4j.io.*;
import org.dom4j.dom.*;
import org.apache.log4j.Logger ;

import com.ntsky.util.Timer;
import com.ntsky.util.TimerExpress;
import com.ntsky.xml.XMLPath;
import com.ntsky.xml.XMLReadWrite;
import com.ntsky.xml.bbs.dto.AfficheDTO;

/**
 * <p>Title: Ntsky OpenSource BBS</p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: WWW.FM880.COM</p>
 * @author 姚君林
 * @version 1.0
 */

public class AfficheXML {
    private final static Logger logger = Logger.getLogger(AfficheXML.class);

    /**
     * 获取公告信息
     */
    public AfficheDTO getAffiche(){
        AfficheDTO afficheDTO = null;
        try {
            Document document = XMLReadWrite.getInstance().read(XMLPath.NTSKY_AFFICHE);
            //枚举所有的节点
            System.out.println("开始读取xml文件............");
            Element element = document.getRootElement();
            //枚举所有的节点
           /* Iterator rs_root = root.elementIterator();
            logger.info("affiche是否有xml节点 ：" + String.valueOf(rs_root.hasNext()));
            for (; rs_root.hasNext(); ) {

                //获取节点
                Element element = (Element) rs_root.next();*/
           afficheDTO = new AfficheDTO();
           setNode(afficheDTO, element, "title");
           setNode(afficheDTO, element, "content");
           setNode(afficheDTO, element, "name");
           setNode(afficheDTO, element, "time");
            //}
        }
        catch(Exception e){
            logger.info("获取公告信息 error : " + e.getMessage());
        }
        return afficheDTO;
    }

    /**
     * 写入数据
     */
    public void writeXML(AfficheDTO afficheDTO){
        Document document =  DocumentHelper.createDocument();
        Timer timer = new TimerExpress("yyyy-MM-dd HH:mm:ss");
        Element root = document.addElement("affiche");
        Element title = root.addElement("title").addText(afficheDTO.getTitle());
        Element content = root.addElement("content").addText(afficheDTO.getContent());
        Element name = root.addElement("name").addText(afficheDTO.getName());
        Element time = root.addElement("time").addText(timer.getNowDate());
        try {
            XMLReadWrite.getInstance().write(document,XMLPath.NTSKY_AFFICHE);
        }
        catch (Exception ex) {
            logger.info("写入XML数据发生错误  : " + ex.getMessage());
        }
    }


    public synchronized void setNode(AfficheDTO afficheDTO ,Element element ,String node ){
        Iterator rs = element.elementIterator(node);
        while (rs.hasNext()) {
            Element elt = (Element) rs.next();
            if ("title".equals(node)) {
                afficheDTO.setTitle(elt.getText());
                logger.info("title节点的值 ：" + elt.getText());
            }
            if ("content".equals(node)) {
                afficheDTO.setContent(elt.getText());
                logger.info("Content节点的值 ：" + elt.getText());
            }
            if ("name".equals(node)) {
                afficheDTO.setName(elt.getText());
                logger.info("name节点的值 ：" + elt.getText());
            }
            if ("time".equals(node)) {
                afficheDTO.setTime(elt.getText());
                logger.info("time节点的值 ：" + elt.getText());
            }
        }
    }
}