| gvSIG desktop 1

import java.io.BufferedReader;

import java.io.InputStreamReader;

import java.net.HttpURLConnection;

import java.net.URLConnection;

    public static File downloadFile(URL url, String name) throws IOException, ConnectException, UnknownHostException{

    	if ((f=getPreviousDownloadedURL(url))==null){

    		File tempDirectory = new File(tempDirectoryPath);

    		if (!tempDirectory.exists())

    			tempDirectory.mkdir();

    		f = new File(tempDirectoryPath+"/"+name+System.currentTimeMillis());

    		System.out.println("downloading '"+url.toString()+"' to: "+f.getAbsolutePath());

    		f.deleteOnExit();

    		DataOutputStream dos = new DataOutputStream( new BufferedOutputStream(new FileOutputStream(f)));

    		byte[] buffer = new byte[1024*256];

    		URLConnection connection = url.openConnection();

    		InputStream is = null;

    		try {

    			is = connection.getInputStream();

    		} catch (IOException e) {

    			// Ops! The server gave us an error. I'm piping the error

    			// channel to the input channel to lay it out to the user.

    			if (!(connection instanceof HttpURLConnection)) throw e;

    			InputStream err = ((HttpURLConnection) connection).getErrorStream();

    			if (err == null) throw e;

    			is = err;

    		}

    		long readed = 0;

    		for (int i = is.read(buffer); i>0; i = is.read(buffer)){

    			dos.write(buffer, 0, i);

    			readed += i;

    		}

    		dos.close();

    		addDownloadedURL(url, f.getAbsolutePath());

    	}

    	// Avoid possible conflits caused by multiple application instances.

    	if (!f.exists()) {

    		downloadedFiles.remove(url);

    		f = downloadFile(url, name);

    	}

    	long t2 = System.currentTimeMillis();

    	System.err.println("Total download method time: "+(t2-t1));

    	return f;