DOM4J
程序员文章站
2022-05-29 11:29:43
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public class DOM_Person {
public static List<Person> getPersons(InputStream inStream)
throws Throwable {
List<Person> persons = new ArrayList<Person>();
/* 实例化一个文档构建器工厂 */
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
/* 通过文档构建器工厂获取一个文档构建器 */
DocumentBuilder builder = factory.newDocumentBuilder();
/* 通过文档构建器构建一个文档实例 */
Document documnet = builder.parse(inStream);// 调用parse()完成解析xml文件,形成文档树
Element root = documnet.getDocumentElement();// 取得根元素
NodeList personNodes = root.getElementsByTagName("person");
for (int i = 0; i < personNodes.getLength(); i++) {
Person person = new Person();
Element personElement = (Element) personNodes.item(i);
person.setId(new Integer(personElement.getAttribute("id")));
NodeList personChilds = personElement.getChildNodes();// 取得Person的子节点
for (int y = 0; y < personChilds.getLength(); y++) {
if (personChilds.item(y).getNodeType() == Node.ELEMENT_NODE) {// 判断当前节点是否是元素类型节点
Element childElement = (Element) personChilds.item(y);
if ("name".equals(childElement.getNodeName())) {
person.setName(childElement.getFirstChild()
.getNodeValue());// 取得第一个子节点的文本值
} else if ("age".equals(childElement.getNodeName())) {
person.setAge(new Short(childElement.getFirstChild()
.getNodeValue()));
}
}
}
persons.add(person);
}
return persons;
}
}
public class Main extends Activity {
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
/* 获取XML文件流 */
InputStream inStream = getClass().getClassLoader().getResourceAsStream(
"itcast.xml");
List<Person> persons = null;
/* DOM4j解析XML文件 */
try {
persons = DOM_Person.getPersons(inStream);
} catch (Throwable e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println("/* DOM解析XML文件 */");
for (Person person : persons) {
System.out.println(person.toString());
}
}
}