Java处理XML的DOM方式2

package cn.rock.service;

import java.io.FileInputStream;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import javax.xml.parsers.DocumentBuilder;

import javax.xml.parsers.DocumentBuilderFactory;

import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;

import org.w3c.dom.Element;

import org.w3c.dom.Node;

import org.w3c.dom.NodeList;

import cn.rock.bean.Person;

public class DOMParseService2 {

private List<Person> personList = null;

/**

* @param args

*/

public void DOMParseXML() {

personList = new ArrayList<Person>();

DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

try {

DocumentBuilder builder = factory.newDocumentBuilder();

FileInputStream fileInputStream = new FileInputStream("E:\\Workspaces\\MyEclipse for Spring 8.6\\xml\\bin\\person.xml");

Document document = builder.parse(fileInputStream);

Element root = document.getDocumentElement();

NodeList persons = root.getElementsByTagName("person");

for(int i=0; i<persons.getLength(); i++){

Node personNode = persons.item(i);

if(personNode instanceof Element){

Element personElement = (Element)personNode;

Person person = new Person();

person.setId(new Integer(personElement.getAttribute("id")));

NodeList childNodes = personElement.getChildNodes();

for(int y=0; y<childNodes.getLength(); y++){

if(childNodes.item(y).getNodeType() == Node.ELEMENT_NODE){

Element childElement = (Element)childNodes.item(y);

if("name".equals(childElement.getTagName())){

String name = childElement.getFirstChild().getNodeValue().trim();

System.out.println("name: " + name);

person.setName(name);

}else if("age".equals(childElement.getTagName())){

String age = childElement.getFirstChild().getNodeValue().trim();

System.out.println("age: " + age);

person.setAge(new Short(age));

}else if("address".equals(childElement.getTagName())){

String address = childElement.getFirstChild().getNodeValue().trim();

System.out.println("address: " + address);

person.setAddress(address);

}

}

}

personList.add(person);

// System.out.println(personElement.getFirstChild());

// System.out.println(personElement.getNextSibling());

// for(Node childNode = personElement.getFirstChild(); childNode != null; childNode.getNextSibling()){

// System.out.println(childNode.getNodeName() + "---" + childNode.getNodeValue() + "---" + childNode.getNodeType() );

// if(childNode.getNodeType() == Node.ELEMENT_NODE){

// System.out.println("---------------------");

// }

// }

}

}

Iterator<Person> iter = personList.iterator();

while(iter.hasNext()){

Person person = iter.next();

System.out.println(person.toString());

}

} catch (Exception e) {

e.printStackTrace();

}

}

}