JAVA读取XML形式字符串

StringReader reader=new StringReader(requestXml);
InputSource inputSource=new InputSource(reader);
SAXBuilder saxBuilder=new SAXBuilder();
try {
Document documen=saxBuilder.build(inputSource);
Element root=documen.getRootElement();
System.out.println(root.getName());
List<String> jiedian=root.getChildren();
System.out.println(root.getChild("Message").getText());
} catch (JDOMException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}