Minimal Google Docs Java Client

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;

import com.google.gdata.client.GoogleService;
import com.google.gdata.client.GoogleAuthTokenFactory.UserToken;
import com.google.gdata.client.docs.DocsService;
import com.google.gdata.data.MediaContent;
import com.google.gdata.data.media.MediaSource;

public class MinimalGoogleDocsClient {

	private static final String APPLICATION_NAME = "JavaGDataClientSampleAppV3.0";
	public static final String SPREADSHEETS_SERVICE_NAME = "wise";
	public DocsService service;
	public GoogleService spreadsheetsService;

	public void getSpreadSheet(String id) throws Exception {
		UserToken docsToken = (UserToken) service.getAuthTokenFactory()
				.getAuthToken();
		UserToken spreadsheetsToken = (UserToken) spreadsheetsService
				.getAuthTokenFactory().getAuthToken();
		service.setUserToken(spreadsheetsToken.getValue());

		URL url = new URL(
				"http://spreadsheets.google.com/feeds/download/spreadsheets/Export?gid=0&exportFormat=csv&key="
						+ id);

		readUrl(url);
		service.setUserToken(docsToken.getValue());
	}

	public void getDocument(String id) throws Exception {
		URL url = new URL(
				"http://docs.google.com/feeds/download/documents/Export?docID=document:"
						+ id + "&exportFormat=txt");
		readUrl(url);
	}

	public void readUrl(URL url) throws Exception {
		MediaContent mc = new MediaContent();
		mc.setUri(url.toString());
		MediaSource ms = service.getMedia(mc);

		BufferedReader in = new BufferedReader(new InputStreamReader(ms
				.getInputStream()));

		String inputLine;
		while ((inputLine = in.readLine()) != null) {
			System.out.println(inputLine);
		}

	}

	public void go() throws Exception {
		String user = "YOURUSERNAME";
		String pass = "YOURPASS";

		service = new DocsService(APPLICATION_NAME);
		spreadsheetsService = new GoogleService(SPREADSHEETS_SERVICE_NAME,
				APPLICATION_NAME);

		service.setUserCredentials(user, pass);
		spreadsheetsService.setUserCredentials(user, pass);

		getSpreadSheet("0ApGHrBnaasfKdDJSaUc0TSEzcmZXb0Z5MU9JN3ZuUXc");

		getDocument("0AZGHrBnasfsasKZGQ1OXdqbTafsasfWYydHE5OWRk");

	}

	public static void main(String[] args) throws Exception {

		new MinimalGoogleDocsClient().go();

	}

}