allow vendord

vendor/mollie/mollie-api-php/src/HttpAdapter/MollieHttpAdapterPicker.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace Mollie\Api\HttpAdapter;
+
+use Mollie\Api\Exceptions\UnrecognizedClientException;
+
+class MollieHttpAdapterPicker implements MollieHttpAdapterPickerInterface
+{
+    /**
+     * @param \GuzzleHttp\ClientInterface|\Mollie\Api\HttpAdapter\MollieHttpAdapterInterface|null|\stdClass $httpClient
+     *
+     * @return \Mollie\Api\HttpAdapter\MollieHttpAdapterInterface
+     * @throws \Mollie\Api\Exceptions\UnrecognizedClientException
+     */
+    public function pickHttpAdapter($httpClient)
+    {
+        if (! $httpClient) {
+            if ($this->guzzleIsDetected()) {
+                $guzzleVersion = $this->guzzleMajorVersionNumber();
+
+                if ($guzzleVersion && in_array($guzzleVersion, [6, 7])) {
+                    return Guzzle6And7MollieHttpAdapter::createDefault();
+                }
+            }
+
+            return new CurlMollieHttpAdapter;
+        }
+
+        if ($httpClient instanceof MollieHttpAdapterInterface) {
+            return $httpClient;
+        }
+
+        if ($httpClient instanceof \GuzzleHttp\ClientInterface) {
+            return new Guzzle6And7MollieHttpAdapter($httpClient);
+        }
+
+        throw new UnrecognizedClientException('The provided http client or adapter was not recognized.');
+    }
+
+    /**
+     * @return bool
+     */
+    private function guzzleIsDetected()
+    {
+        return interface_exists('\\' . \GuzzleHttp\ClientInterface::class);
+    }
+
+    /**
+     * @return int|null
+     */
+    private function guzzleMajorVersionNumber()
+    {
+        // Guzzle 7
+        if (defined('\GuzzleHttp\ClientInterface::MAJOR_VERSION')) {
+            return (int) \GuzzleHttp\ClientInterface::MAJOR_VERSION;
+        }
+
+        // Before Guzzle 7
+        if (defined('\GuzzleHttp\ClientInterface::VERSION')) {
+            return (int) \GuzzleHttp\ClientInterface::VERSION[0];
+        }
+
+        return null;
+    }
+}