code: @Override
  	public String getApplicationPath() {
  		return request.getScheme() + "://" + request.getServerName()
  			+ (request.getServerPort() != 80? ":" + request.getServerPort() : "")
  			+ request.getContextPath();
  	}
docs: Returns the application path, including the http protocol.<br>
  One can implement this method to return a fixed http/ip prefix.