java解析xml文件

package com.framework.common.util;

import java.io.File;
import java.io.IOException;
import java.util.List;

import org.jdom.Document;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.Namespace;
import org.jdom.input.SAXBuilder;

public class XMLUtil {
     
  
 public String getXmlUrl(String path) throws JDOMException, IOException{
  SAXBuilder builder = new SAXBuilder();
  Document doc = builder.build(new File(path));
  Element root = doc.getRootElement();
  List jiedian = root.getChildren();
     //获得XML中的命名空间（XML中未定义可不写）
     Namespace ns = root.getNamespace();
     Element et = null;
     String str = "";
     for(int i=0;i<jiedian.size();i++){
         et = (Element) jiedian.get(i);//循环依次得到子元素
         str = et.getChild("url",ns).getText();
     }
     return str;
 }
}