if (response == null)
if (restletResponse.getEntity() == null)
	public void sendResponse(org.restlet.data.Response restletResponse) throws IOException	{		// Set the response headers		response.clear();		for (Parameter header : getResponseHeaders())		{			response.add(header.getName(), header.getValue());		}		// Set the status		response.setCode(getStatusCode());		response.setText(getReasonPhrase());		// Send the response entity		if (response == null)		{			response.setContentLength(0);		}		super.sendResponse(restletResponse);	}