xml解析-saxparser

来源:互联网 发布:火炬之光2知乎 编辑:程序博客网 时间:2024/06/17 05:45
package study;


import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;


import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;


import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;


/**
 * @author yi 
 * SAXParser 解析XML
 */
public class TX {
public static void main(String[] args) throws ParserConfigurationException,
SAXException, IOException {
SAXParserFactory factory = SAXParserFactory.newInstance();
SAXParser parser = factory.newSAXParser();
parser.parse(new File("test.xml"), new MyHandler());
System.out.println(MyHandler.list);
}
}


class MyHandler extends DefaultHandler {
String tag = null;
static List<Person> list;
Person p;


public void characters(char[] arg0, int arg1, int arg2) throws SAXException {
String con = new String(arg0, arg1, arg2);
if (!con.trim().equals("")) {
if ("name".equals(tag)) {
p.setName(con);
} else if ("age".equals(tag)) {
p.setAge(Integer.parseInt(con));
} else if ("type".equals(tag)) {
p.setType(con);
}
}
}


@Override
public void endElement(String arg0, String arg1, String arg2)
throws SAXException {
tag = "";
if ("person".equals(arg2)) {
list.add(p);
}
}


@Override
public void startDocument() throws SAXException {
list = new ArrayList<Person>();
}


@Override
public void startElement(String arg0, String arg1, String arg2,
Attributes arg3) throws SAXException {
tag = arg2;
if ("person".equals(arg2)) {
p = new Person();
}
}


}
0 0