docs: public static void write(HttpServletResponse response, String text, String contentType) {
  		response.setContentType(contentType);
  		Writer writer = null;
  		try {
  			writer = response.getWriter();
  			writer.write(text);
  			writer.flush();
  		} catch (IOException e) {
  			throw new UtilException(e);
  		} finally {
  			IoUtil.close(writer);
  		}
  	}