1<?php 2/* 3 * Copyright 2019 Google LLC 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18namespace Google\Auth\HttpHandler; 19 20use GuzzleHttp\ClientInterface; 21 22/** 23 * Stores an HTTP Client in order to prevent multiple instantiations. 24 */ 25class HttpClientCache 26{ 27 /** 28 * @var ClientInterface|null 29 */ 30 private static $httpClient; 31 32 /** 33 * Cache an HTTP Client for later calls. 34 * 35 * Passing null will unset the cached client. 36 * 37 * @param ClientInterface|null $client 38 * @return void 39 */ 40 public static function setHttpClient(ClientInterface $client = null) 41 { 42 self::$httpClient = $client; 43 } 44 45 /** 46 * Get the stored HTTP Client, or null. 47 * 48 * @return ClientInterface|null 49 */ 50 public static function getHttpClient() 51 { 52 return self::$httpClient; 53 } 54} 55