采用DOM解析XML

public class DomXml
{

	/**
	 * 解析后并返回一个对象集合
	 * 
	 * @param inStream xml输入流
	 * @return 解析后并返回一个对象集合
	 * @throws ParserConfigurationException
	 * @throws SAXException
	 * @throws IOException
	 */
	public List<Person> domParser(InputStream inStream) throws ParserConfigurationException, SAXException, IOException
	{
		List<Person> persons = new ArrayList<Person>();
		//创造一个工厂
		DocumentBuilderFactory documentBuilder = DocumentBuilderFactory.newInstance();
		//创建一个DocumentBuilder
		DocumentBuilder builder = documentBuilder.newDocumentBuilder();
		//创建一个 Dom
		Document document = builder.parse(inStream);
		//根元素
		Element root = document.getDocumentElement();
		//获取元素列表
		NodeList nodeList = root.getElementsByTagName("person");
		for(int i=0; i<nodeList.getLength();i++){
			Person person = new Person();
			//获取子节点元素周期律
			Element personElements = (Element)nodeList.item(i);
			person.setId(new Integer(personElements.getAttribute("id")));
			//获取子节点
			NodeList personChild = personElements.getChildNodes();
			for(int j=0; j<personChild.getLength();j++){
				//判断是否是元素节点
				if(personChild.item(j).getNodeType() == Node.ELEMENT_NODE){
					Element child = (Element)personChild.item(j);
					//判断是否是name节点
					if(child.getNodeName().equals("name")){
						person.setName(child.getFirstChild().getNodeValue());
						//判断是否是age节点
					}else if(child.getNodeName().equals("age")){
						person.setAge(new Short(child.getFirstChild().getNodeValue()));
					}
				}
			}
			persons.add(person);
		}
		return persons;		
	}

}

 

public void testReadDOM() throws ParserConfigurationException, SAXException, IOException{
		
		DomXml sax = new DomXml();
		InputStream inStream = this.getClass().getClassLoader().getResourceAsStream("secn.xml");
		List<Person> persons = sax.domParser(inStream);
		for(Person person:persons){
			Log.i("SaxTest", String.valueOf(person.getName()));
		}
	}