sax1.java

使用dom2,sax2解析xml,使用解析器生成、转化xml

package xmloperation;
import javax.xml.parsers.*;
import org.xml.sax.*;
import org.xml.sax.helpers.*;
import java.util.*;
import java.io.*;

public class sax1  extends DefaultHandler
{
  Stack tags = new Stack();
  String name;
  String address;
  String tel;
  String fax;
  String email;

  public sax1() {}

  public void endDocument() throws SAXException
  {
    System.out.println("-----Parse End");
  }
  public void startDocument() throws SAXException
  {
    System.out.println("-----Parse Start");
  }

  public void startElement(String p0,String p1,String p2,Attributes p3) throws SAXException
  {
    tags.push(p2);
  }
  public void endElement(String p0,String p1,String p2) throws SAXException
  {
    tags.pop();
    if(p2.equals("PERSON"))
    {
      printout();
    }
  }

  public void characters(char[] p0,int p1,int p2) throws SAXException
  {
    String tag = tags.peek().toString();
    if(tag.equals("NAME"))
    {
      name = new String(p0,p1,p2);
    }
    else if(tag.equals("ADDRESS"))
    {
      address = new String(p0,p1,p2);
    }
    else if(tag.equals("TEL"))
    {
      tel = new String(p0,p1,p2);
    }
    else if(tag.equals("FAX"))
    {
      fax = new String(p0,p1,p2);
    }
    else if(tag.equals("EMAIL"))
    {
      email = new String(p0,p1,p2);
    }
  }

  public void printout()
  {
    System.out.print("NAME:");
    System.out.println(name);
    System.out.print("ADDRESS:");
    System.out.println(address);
    System.out.print("TEL:");
    System.out.println(tel);
    System.out.print("FAX:");
    System.out.println(fax);
    System.out.print("EMAIL:");
    System.out.println(email);
    System.out.println();
  }

  public static void main(String[] args)
  {
    String filename = "candidate.xml";
    SAXParserFactory spf = SAXParserFactory.newInstance();
    SAXParser saxParser = null;
    try
    {
      saxParser = spf.newSAXParser();
      saxParser.parse(new File(filename),new sax1());
    }
    catch(Exception e)
    {
      System.out.println(e);
      System.exit(1);
    }
  }
}