Ultradox simple file download

Google App Engine Java.java

import static com.google.appengine.api.urlfetch.FetchOptions.Builder.withDefaults;

import java.io.IOException;
import java.net.URL;

import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.google.appengine.api.urlfetch.HTTPMethod;
import com.google.appengine.api.urlfetch.HTTPRequest;
import com.google.appengine.api.urlfetch.HTTPResponse;
import com.google.appengine.api.urlfetch.URLFetchService;
import com.google.appengine.api.urlfetch.URLFetchServiceFactory;

@SuppressWarnings("serial")
public class App_Engine_SandboxServlet extends HttpServlet {
  public void doGet(HttpServletRequest req, HttpServletResponse resp)
			throws IOException {
		URLFetchService urlFetchService = URLFetchServiceFactory.getURLFetchService();
		URL url = new URL(
				"http://www.ultradox.com/ultradoc/execute?id=57qNs8JVJFf6WcPRqsCuI7wBlIPT5M&action=DOWNLOAD");
		HTTPRequest request = new HTTPRequest(url, HTTPMethod.GET, withDefaults().setDeadline(30.0));
		HTTPResponse response = urlFetchService.fetch(request);

		resp.setContentType("application/pdf");
		resp.getOutputStream().write(response.getContent());
	}
}

Google Apps Script.js

function download() {
   var response = UrlFetchApp.fetch('http://www.ultradox.com/ultradoc/execute?id=57qNs8JVJFf6WcPRqsCuI7wBlIPT5M&action=DOWNLOAD');
   var blob = response.getBlob();
   Logger.log(blob.getName());
}

Plain Java.java

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;

public class Main {

  public static void main(String[] args) throws Exception {
		URL url = new URL(
				"http://www.ultradox.com/ultradoc/execute?id=57qNs8JVJFf6WcPRqsCuI7wBlIPT5M&action=DOWNLOAD");
		InputStream inputStream = url.openStream();
		FileOutputStream outputStream = new FileOutputStream(new File(
				"processed.pdf"));
		transfer(inputStream, outputStream);
	}

	private static void transfer(InputStream inputStream,
			OutputStream outputStream) throws IOException {
		byte[] buffer = new byte[1024];
		int len;
		while ((len = inputStream.read(buffer)) != -1) {
			outputStream.write(buffer, 0, len);
		}
	}
}