XmlPullParser 解析xml文件

public static List<Person> getPersons(InputStream xml) throws Exception{
List<Person> persons = null;
Person person = null;
XmlPullParser pullParser = Xml.newPullParser();
pullParser.setInput(xml, "UTF-8");//为Pull解析器设置要解析的XML数据
int event = pullParser.getEventType();
while(event != XmlPullParser.END_DOCUMENT){
switch (event) {
case XmlPullParser.START_DOCUMENT:
persons = new ArrayList<Person>();
break;

case XmlPullParser.START_TAG:
if("person".equals(pullParser.getName())){
int id = new Integer(pullParser.getAttributeValue(0));
person = new Person();
person.setId(id);
}
if("name".equals(pullParser.getName())){
String name = pullParser.nextText();
person.setName(name);
}
if("age".equals(pullParser.getName())){
int age = new Integer(pullParser.nextText());
person.setAge(age);
}
break;

case XmlPullParser.END_TAG:
if("person".equals(pullParser.getName())){
persons.add(person);
person = null;
}
break;
}
event = pullParser.next();
}
return persons;
}