new appraoch

pancake/system/vendor/php-http/discovery/src/Psr18ClientDiscovery.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Http\Discovery;
+
+use Http\Discovery\Exception\DiscoveryFailedException;
+use Psr\Http\Client\ClientInterface;
+
+/**
+ * Finds a PSR-18 HTTP Client.
+ *
+ * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ */
+final class Psr18ClientDiscovery extends ClassDiscovery
+{
+    /**
+     * Finds a PSR-18 HTTP Client.
+     *
+     * @return ClientInterface
+     *
+     * @throws Exception\NotFoundException
+     */
+    public static function find()
+    {
+        try {
+            $client = static::findOneByType(ClientInterface::class);
+        } catch (DiscoveryFailedException $e) {
+            throw new \Http\Discovery\Exception\NotFoundException('No PSR-18 clients found. Make sure to install a package providing "psr/http-client-implementation". Example: "php-http/guzzle7-adapter".', 0, $e);
+        }
+
+        return static::instantiateClass($client);
+    }
+}