Method to download file from URL in Java when the URL is redirected - statusCode = 301 resource temp moved

gistfile1.txt

	public static final File downloadColorImage(String colorUrlString){
		
		File file = new File(System.getProperty( "catalina.base" ) + "/colorFile.png");
		try {
			URL colorUrl = new URL(colorUrlString);
			HttpURLConnection huc = (HttpURLConnection)colorUrl.openConnection();
			int statusCode = huc.getResponseCode(); //get response code
			
			if (statusCode == HttpURLConnection.HTTP_MOVED_TEMP
						|| statusCode == HttpURLConnection.HTTP_MOVED_PERM){ // if file is moved, then pick new URL
				colorUrlString = huc.getHeaderField("Location");
				colorUrl = new URL(colorUrlString);
				huc = (HttpURLConnection)colorUrl.openConnection();
			}
			
			InputStream is = huc.getInputStream();
			BufferedInputStream bis = new BufferedInputStream(is);
			FileOutputStream fos = new FileOutputStream(file);
			int i = 0;
			while ((i = bis.read()) != -1)
				fos.write(i);
			fos.flush();
			fos.close();
			
		} catch (IOException e) {
			e.printStackTrace();
		}
		log.debug(colorUrlString);	
		return file;
		
	}