sax解析xml

xml文件

<?xml version="1.0" encoding="UTF-8"?>
<persons>
<person id="23">
<name>zhansan</name>
<age>30</age>
</person>
<person id="20">
<name>lisi</name>
<age>25</age>
</pers

 

 

/**

* sax解析xml
*
* @time 下午07:14:19
* @author retacn yue
* @Email [e-mail]
*/
public class SAXPersonService {


public List<Person> getPersons(InputStream inputStream) throws Throwable {
SAXParserFactory factory = SAXParserFactory.newInstance();
SAXParser parser = factory.newSAXParser();
PersonParse personParse = new PersonParse();
parser.parse(inputStream, personParse);
inputStream.close();
return personParse.getPersons();
}


private final class PersonParse extends DefaultHandler {
private Person person = null;
private String tag = null;
private List<Person> persons = new ArrayList<Person>();


public List<Person> getPersons() {
return persons;
}


@Override
public void startDocument() throws SAXException {
}


@Override
public void startElement(String uri, String localName, String name, Attributes attributes) throws SAXException {
if ("person".equals(localName)) {
person = new Person();
person.setId(Integer.parseInt(attributes.getValue(0)));
}
tag = localName;
}


@Override
public void characters(char[] ch, int start, int length) throws SAXException {
if (tag != null) {
String text = new String(ch, start, length);
if ("name".equals(tag)) {
person.setName(text);
} else if ("age".equals(tag)) {
person.setAge(text);
}
}
}


@Override
public void endElement(String uri, String localName, String name) throws SAXException {
if ("person".equals(localName)) {
persons.add(person);
person = null;
}
tag = null;
}


@Override
public void endDocument() throws SAXException {
}
}
}