Pegando os links duma consulta no google

import html.*;

public class Main {
	
	public static void main(String args[]){
		HtmlHandler hh = new HtmlHandler();
		String [] links = hh.getLinks("http://www.google.com.br/search?hl=pt-BR&q=metalib&btnG=Pesquisa+Google&meta=");
		for (int i = 0; i < links.length; i++){
			System.out.println(links[i]);
		}
	}

}

import javax.swing.text.BadLocationException;
import javax.swing.text.SimpleAttributeSet;
import javax.swing.text.EditorKit;
import javax.swing.text.html.*;

public class HtmlHandler {

	public String[] getLinks(String uriStr) {
		List result = new ArrayList();

		try {
			// Create a reader on the HTML content
			URL url = new URI(uriStr).toURL();
			URLConnection conn = url.openConnection();
			Reader rd = new InputStreamReader(conn.getInputStream());

			// Parse the HTML
			EditorKit kit = new HTMLEditorKit();
			HTMLDocument doc = (HTMLDocument) kit.createDefaultDocument();
			kit.read(rd, doc, 0);

			// Find all the A elements in the HTML document
			HTMLDocument.Iterator it = doc.getIterator(HTML.Tag.A);
			while (it.isValid()) {
				SimpleAttributeSet s = (SimpleAttributeSet) it.getAttributes();

				String link = (String) s.getAttribute(HTML.Attribute.HREF);
				if (link != null) {
					// Add the link to the result list
					result.add(link);
				}
				it.next();
			}
		} catch (MalformedURLException e) {
			e.printStackTrace();
		} catch (URISyntaxException e) {
			e.printStackTrace();
		} catch (BadLocationException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}

		// Return all found links
		return (String[]) result.toArray(new String[result.size()]);
	}

}

java.io.IOException: Server returned HTTP response code: 403 for URL: http://www.google.com.br/search?hl=pt-BR&q=metalib&btnG=Pesquisa+Google&meta=
	at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at html.HtmlHandler.getLinks(HtmlHandler.java:21)
	at Main.main(Main.java:6)