XML Parsing With SAX

import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Iterator;
import java.util.Stack;

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;

public class Main extends DefaultHandler {

  private Stack<String> stack;
  private Stack<String> tempStack;
  private PrintWriter writer;

    private String getPath() {
      StringBuilder sb = new StringBuilder();
      Iterator<String> iter = stack.iterator();
      while (iter.hasNext()) {
      String tag = (String) iter.next();
      sb.append('/').append(tag);
    }
      return sb.toString();
    }

    public void startDocument ()
  throws SAXException
    {
      stack = new Stack<String>();
      tempStack = new Stack<String>();
      writer = new PrintWriter(System.out);
    }

    public void endDocument ()
  throws SAXException
    {
      stack = null;
      tempStack = null;
    writer.close();
    writer = null;
    }

    public void startElement (String uri, String localName,
            String qName, Attributes attributes)
  throws SAXException
    {
    stack.push(qName);
    writer.println("tag: " + getPath());
        for ( int i = 0; i < attributes.getLength(); i++ ) {
          writer.println("  attribute: " + attributes.getQName(i)
              + "\tvalue: " + attributes.getValue(i));
        }

    }

    public void endElement (String uri, String localName, String qName)
  throws SAXException
    {
      String name = stack.pop();
      while(!name.equals(qName)) {
        tempStack.push(name);
        name = stack.pop();
      }
      while(!tempStack.empty()) {
        stack.push(tempStack.pop());
      }
    }

    public void characters (char ch[], int start, int length)
  throws SAXException
    {
      String text = new String(ch, start, length);
      writer.println("  text: " + text);
    }

  public static void main(String[] args) throws Exception {
    Main dh = new Main();
    SAXParserFactory factory = SAXParserFactory.newInstance();
    SAXParser parser = factory.newSAXParser();

    StringBuilder sb = new StringBuilder();
    sb.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>")
        .append("<root name=\"attr\">")
        .append("<name>TEST XML</name>")
        .append("<user>")
        .append("<name>Solnone</name>")
        .append("</user>")
        .append("</root>");
    byte[] buf = sb.toString().getBytes("UTF-8");

    InputStream is = new ByteArrayInputStream(buf);
    try {
      parser.parse(is, dh);
    } finally {
      is.close();
    }
  }

}

/*
tag: /root
  attribute: name value:attr
tag: /root/name
  text: TEST XML
tag: /root/user
tag: /root/user/name
  text: Solnone
*/