| gvSIG desktop 1

import java.net.Authenticator;

import java.net.PasswordAuthentication;

import java.util.Properties;

import org.apache.commons.httpclient.HttpConnection;

		Properties systemSettings = System.getProperties();

		Object isProxyEnabled = systemSettings.get("http.proxySet"); 

		if ((isProxyEnabled == null) || (isProxyEnabled.equals("false"))){

			Socket sock;

			try{				

				sock = new Socket(getUri().getHost(),

						getUri().getPort());

			} catch (UnknownHostException e) {

				throw new ServerIsNotReadyException(e);

			} catch (IOException e) {

				throw new ServerIsNotReadyException(e);

			}

			return (sock != null);

		}else{

			Object host = systemSettings.get("http.proxyHost"); 

			Object port = systemSettings.get("http.proxyPort");

			Object user = systemSettings.get("http.proxyUserName");

			Object password = systemSettings.get("http.proxyPassword");

			if ((host != null) && (port != null)){

				int iPort = 80;

				try{

					iPort = Integer.parseInt((String)port);

				}catch (Exception e) {

					//Use 80

				}

				HttpConnection connection = new HttpConnection(getUri().getHost(), 

						getUri().getPort());

				connection.setProxyHost((String)host);

				connection.setProxyPort(iPort);

				Authenticator.setDefault(new SimpleAuthenticator(

                        user,password));

				try {

					connection.open();

					connection.close();						

				} catch (IOException e) {

					throw new ServerIsNotReadyException(e);					

				}

			}			

		}		

		return true;

	private class SimpleAuthenticator

	   extends Authenticator

	{

	   private String username,

	                  password;

	   public SimpleAuthenticator(Object username, Object password)

	   {

		   if (username != null){

			   this.username = (String)username;

		   }

		   if (password != null){

			   this.password = (String)password;

		   }

	   }

	   protected PasswordAuthentication getPasswordAuthentication()

	   {

	      return new PasswordAuthentication(

	             username,password.toCharArray());

	   }

	}