code: public static String getRealPath(final WebApplication application, final String path)
  	{
  		final String realPath = application.getServletContext().getRealPath(path);
  		if ((null != realPath) && !realPath.isEmpty())
  		{
  			return realPath;
  		}
  		return "";
  	}
docs: Gets the real path corresponding to the given virtual path from the given WebApplication.
  This method gets decorated the method of the
  {@link javax.servlet.ServletContext#getRealPath(String)}.
  
  @param application
  the wicket application
  @param path
  the virtual path to be translated to a real path
  @return the real path, or null if the translation cannot be performed