下面作者在一个新闻管理的项目中使用JDOM创建xml文件的例子。目的是通过JDOM产生用于数据交换的xml文件。

/**
* 构造Mail XML，并将xml文件置于服务器中，供第三方邮件商发送
*
* @param storyInfo 新闻内容对象
* @param mails 邮件列表
* @return
* @throws IOException
*/
public static void build(StoryInfo storyInfo, String[] mails) {
   if (mails == null || mails.length == 0) {
    log.warn("WARNING", "NO EMAILS TO BE SENT!");
    return;
   }

   Element element = buildElement(storyInfo, mails);
   Document doc = new Document();
   doc.setContent(element);

   FileWriter writer;
   XMLOutputter ōutputter = new XMLOutputter();
   try {
    String fileName = "/" + storyInfo.getStoryId() + ".xml";
    writer = new FileWriter(Constant.FILE_DIR_TMEP + fileName);

    Format format = Format.getPrettyFormat();
    format.setEncoding("GBK");
    outputter.setFormat(format);
    outputter.output(doc, writer);
    writer.close();

    log.info("FILE " + Constant.FILE_DIR_TMEP + fileName
      + " IS WRITEN.");
    CommonUtil.copy(Constant.FILE_DIR_TMEP + fileName,
      Constant.FILE_DIR_BK + fileName);
    CommonUtil.copy(Constant.FILE_DIR_TMEP + fileName,
      Constant.FILE_DIR + fileName);
    log.info("FILE " + fileName + "IS MOVED TO ." + Constant.FILE_DIR
      + fileName);
    log.info("" + mails.length + " MAILS SENT.");
   } catch (IOException e) {
    throw new FaxMailRuntimeException(e);
   }
}

/**
* 构造整棵XML树的根节点
*
* @param storyInfo
* @param mails
* @return
*/
public static Element buildElement(StoryInfo storyInfo, String[] mails) {
   // 主节点
   Element story = new Element("story");

   // 子节点
   Element storyId = create("storyId", storyInfo.getStoryId());
   Element storyNo = create("storyNo", storyInfo.getStoryNo());
   Element sendFlag = create("sendFlag", Constant.DEFAULT_NO);
   Element sendDate = create("sendDate", storyInfo.getSendDate());
   Element sendTime = create("sendTime", storyInfo.getSendTime());

   Element headline = create("headline", getEnforcedTitle(storyInfo));
   Element content = new Element("content");

   CDATA contentCdata = new CDATA("contentCdata");
   contentCdata.setText(buildConent(storyInfo));
   content.addContent(contentCdata);
   Element emails = new Element("emails");

   // 生成emails节点
   for (int i = 0; i < mails.length; i++) {
    Element mail = new Element("email");
    mail.setAttribute("value", mails[i]);
    mail.setAttribute("isSucceed", Constant.DEFAULT_STRING);
    mail.setAttribute("sendTime", Constant.DEFAULT_STRING);
    mail.setAttribute("error", Constant.DEFAULT_STRING);
    emails.addContent(mail);
   }