Initial commit

vendor/google/auth/src/HttpHandler/HttpClientCache.php

@@ -0,0 +1,54 @@
+<?php
+/*
+ * Copyright 2019 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Google\Auth\HttpHandler;
+
+use GuzzleHttp\ClientInterface;
+
+/**
+ * Stores an HTTP Client in order to prevent multiple instantiations.
+ */
+class HttpClientCache
+{
+    /**
+     * @var ClientInterface|null
+     */
+    private static $httpClient;
+
+    /**
+     * Cache an HTTP Client for later calls.
+     *
+     * Passing null will unset the cached client.
+     *
+     * @param ClientInterface|null $client
+     * @return void
+     */
+    public static function setHttpClient(ClientInterface $client = null)
+    {
+        self::$httpClient = $client;
+    }
+
+    /**
+     * Get the stored HTTP Client, or null.
+     *
+     * @return ClientInterface|null
+     */
+    public static function getHttpClient()
+    {
+        return self::$httpClient;
+    }
+}