src/charging-station/ui-server/UIServerFactory.ts

   1 import chalk from 'chalk';
   2
   3 import type { AbstractUIServer } from './AbstractUIServer';
   4 import { UIHttpServer } from './UIHttpServer';
   5 import { UIServerUtils } from './UIServerUtils';
   6 import { UIWebSocketServer } from './UIWebSocketServer';
   7 import {
   8   ApplicationProtocol,
   9   ApplicationProtocolVersion,
  10   type UIServerConfiguration,
  11 } from '../../types';
  12
  13 export class UIServerFactory {
  14   private constructor() {
  15     // This is intentional
  16   }
  17
  18   public static getUIServerImplementation(
  19     uiServerConfiguration: UIServerConfiguration,
  20   ): AbstractUIServer | null {
  21     if (UIServerUtils.isLoopback(uiServerConfiguration.options!.host!) === false) {
  22       console.warn(
  23         chalk.yellow(
  24           'Loopback address not detected in UI server configuration. This is not recommended.',
  25         ),
  26       );
  27     }
  28     uiServerConfiguration = {
  29       version: ApplicationProtocolVersion.VERSION_11,
  30       ...uiServerConfiguration,
  31     };
  32     if (
  33       uiServerConfiguration.type === ApplicationProtocol.WS &&
  34       uiServerConfiguration.version !== ApplicationProtocolVersion.VERSION_11
  35     ) {
  36       console.warn(
  37         chalk.yellow(
  38           `Only version ${ApplicationProtocolVersion.VERSION_11} is supported for WebSocket UI server. Falling back to version ${ApplicationProtocolVersion.VERSION_11}.`,
  39         ),
  40       );
  41       uiServerConfiguration.version = ApplicationProtocolVersion.VERSION_11;
  42     }
  43     switch (uiServerConfiguration.type) {
  44       case ApplicationProtocol.WS:
  45         return new UIWebSocketServer(uiServerConfiguration);
  46       case ApplicationProtocol.HTTP:
  47         return new UIHttpServer(uiServerConfiguration);
  48       default:
  49         return null;
  50     }
  51   }
  52 }