Acessando API do Google Maps via Commons HttpClient

GetMethod httpMethod = new GetMethod("http://maps.google.com/maps/api/geocode/xml?address="+endereco);
			httpMethod.addRequestHeader("Accept", "application/xml");
			httpClient.getHostConfiguration().setProxy(proxy, porta);
			httpClient.executeMethod(httpMethod);

			BufferedReader reader = new BufferedReader(new InputStreamReader(httpMethod.getResponseBodyAsStream()));
			String linha;  

			while ((linha = reader.readLine()) != null)  
			{  
				System.out.println(linha);
			}

<P>Desculpe, voce n&atilde;o tem autoriza&ccedil;&atilde;o para acessar:
&lt;PRE&gt;    http://maps.google.com/maps/api/geocode/xml?&lt;/PRE&gt;
atrav&eacute;s desse servidor at&eacute; que se autentique.
</P>