import javax.swing.text.html.*;
import javax.swing.text.Element;
import javax.swing.text.ElementIterator;
import java.net.URL;
import java.io.InputStreamReader;
import java.io.Reader;

/**
 *	Extract all "img" tags from an HTML document.
 */
public class HTMLParser
{
	public static void main( String[] argv ) throws Exception
	{
		URL url = new URL( "http://java.sun.com" ); 
		HTMLEditorKit kit = new HTMLEditorKit(); 
		HTMLDocument doc = (HTMLDocument) kit.createDefaultDocument(); 
		doc.putProperty("IgnoreCharsetDirective", Boolean.TRUE);
		Reader HTMLReader = new InputStreamReader(url.openConnection().getInputStream()); 
		kit.read(HTMLReader, doc, 0); 

		//	Get an iterator for all HTML tags.
		ElementIterator it = new ElementIterator(doc); 
		Element elem; 
		
		while(( elem = it.next() ) != null )
		{ 
			if(  elem.getName().equals( "img" ) )
			{ 
				String s = (String) elem.getAttributes().getAttribute( HTML.Attribute.SRC );
				if( s != null ) 
					System.out.println( s );
			} 
		}
		System.exit(0);
	}
}