HTML parser based on HTMLEditorKit.ParserCallback : HTML Parser « Network « Java Tutorial

1. Java Tutorial
2. Network
3. HTML Parser

import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.net.URL;

import javax.swing.text.MutableAttributeSet;
import javax.swing.text.html.HTML;
import javax.swing.text.html.HTMLEditorKit;
import javax.swing.text.html.parser.ParserDelegator;

public class Main {
  public static void main(String args[]) throws Exception {
    URL url = new URL(args[0]);
    Reader reader = new InputStreamReader((InputStream) url.getContent());
    new ParserDelegator().parse(reader, new HTMLParse(), false);
  }
}

class HTMLParse extends HTMLEditorKit.ParserCallback {
  public void handleText(char[] data, int pos) {
    System.out.println(data);
  }

  public void handleStartTag(HTML.Tag t, MutableAttributeSet a, int pos) {
    System.out.println("+" + t.toString());
  }

  public void handleSimpleTag(HTML.Tag t, MutableAttributeSet a, int pos) {
    System.out.println("*" + t.toString());
  }

  public void handleEndTag(HTML.Tag t, int pos) {
    System.out.println("-" + t.toString());
  }

}