import org.jdom.*;
import org.jdom.input.*;
import org.jdom.contrib.input.ResultSetBuilder;
import java.io.IOException;
import com.sz.xml.log.Log;
import java.sql.ResultSet;

public class GenerateXmlDom {
  public static Document document;
  public static Document GenerateDomFromXml(String fileName,boolean bool) {
    SAXBuilder saxbuilder = new SAXBuilder(bool);
    try {
      document = saxbuilder.build(fileName);
    }
    catch (JDOMException je) {
      Log.log("GenerateXmlDom.GenerateDomFromXml(" + fileName + ")",
              je.getMessage());
      je.printStackTrace();
    }
    catch (IOException ie) {
      Log.log("GenerateXmlDom.GenerateDomFromXml(" + fileName + ")",
              ie.getMessage());
      ie.printStackTrace();
    }
    return document;

  }

  public static Document GenerateDomFromDatabase(ResultSet rs) {
    ResultSetBuilder builder = new ResultSetBuilder(rs);
    try {
      document = builder.build();
    }
    catch (JDOMException je) {
      Log.log("GenerateXmlDom.GenerateDomFromDatabase(rs)",
              je.getMessage());
      je.printStackTrace();
    }

    return document;
  }

}

辅助类:
package com.sz.xml;
import org.jdom.Element;
import org.jdom.Document;
import java.util.Iterator;
import java.util.ArrayList;

public class XmlUtil {
  public Element getRootElement(Document document){
    return document.getRootElement();
  }

  public  Element xmlfindElement(Element element, String nodeTag)
{
    Iterator iterator = element.getChildren().iterator();
    if(element.getName().equals(nodeTag))
        return element;
    while(iterator.hasNext())
    {
        Element element1 = (Element)iterator.next();
        Element element2 = xmlfindElement(element1, nodeTag);
        if(element2 != null)
            return element2;
    }
    return null;
}

  public static Object[] split(String str1,String tag){
          String str = str1;
          ArrayList list = new ArrayList();
          int i = 0;
          while (!str.equals("")) {
                  if (str.indexOf(tag)!=-1){
                          list.add(str.substring(0,str.indexOf(tag)));
                          str = str.substring(str.indexOf(tag)+1);
                  }else{
                          list.add(str);
                          str = "";

                  }
                  i++;
          }
          return list.toArray();
  }
  public static void main(String args[]){

    String str="a,b,c;e,f,g";
    Object array1[] = null;
    Object array2[] = null;
    array1 = split(str,";");

    for(int i=0;i<array1.length;i++){

        array2=split(array1[i].toString(),",");

        for(int j=0;j<array2.length;j++){

          System.out.println(array2[j].toString());

        }
    }

  }

}