Logar com Post httpurlconnection

String t =“<a href="http://localhost:8080/portal/xlogin">http://localhost:8080/portal/xlogin</a>”;    // essa pagina contem o form anterior, Ja tentei colocar uma pagina interior que precise de senha como

<a href="http://localhost:8080/portal/admin/tools">http://localhost:8080/portal/admin/tools</a> e nao vai

URL url = new URL(t);

HttpURLConnection SrvletConnection = (HttpURLConnection) url.openConnection();

SrvletConnection.setDoOutput(true);

SrvletConnection.setRequestMethod(“POST”);

SrvletConnection.setRequestProperty(“Content-type”,“application/x-www-form-urlencoded”);

SrvletConnection.connect();

DataOutputStream out2 = new DataOutputStream( SrvletConnection.getOutputStream() );

out2.writeBytes(“eid=admin&pw=admin”);