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<?php |
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/** |
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* Part of the Joomla Framework Http Package |
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* |
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* @copyright Copyright (C) 2005 - 2016 Open Source Matters, Inc. All rights reserved. |
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* @license GNU General Public License version 2 or later; see LICENSE |
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*/ |
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namespace Joomla\Http; |
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/** |
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* HTTP factory class. |
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* |
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* @since 1.0 |
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*/ |
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class HttpFactory |
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{ |
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/** |
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* Method to create an Http instance. |
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* |
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* @param array|\ArrayAccess $options Client options array. |
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* @param array|string $adapters Adapter (string) or queue of adapters (array) to use for communication. |
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* |
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* @return Http |
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* |
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* @since 1.0 |
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* @throws \InvalidArgumentException |
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* @throws \RuntimeException |
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*/ |
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public static function getHttp($options = array(), $adapters = null) |
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{ |
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if (!is_array($options) && !($options instanceof \ArrayAccess)) |
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{ |
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throw new \InvalidArgumentException( |
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'The options param must be an array or implement the ArrayAccess interface.' |
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); |
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} |
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if (!$driver = self::getAvailableDriver($options, $adapters)) |
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{ |
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throw new \RuntimeException('No transport driver available.'); |
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} |
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return new Http($options, $driver); |
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} |
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/** |
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* Finds an available TransportInterface object for communication |
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* |
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* @param array|\ArrayAccess $options Options for creating TransportInterface object |
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* @param array|string $default Adapter (string) or queue of adapters (array) to use |
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* |
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* @return TransportInterface|boolean Interface sub-class or boolean false if no adapters are available |
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* |
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* @since 1.0 |
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* @throws \InvalidArgumentException |
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*/ |
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public static function getAvailableDriver($options = array(), $default = null) |
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{ |
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if (!is_array($options) && !($options instanceof \ArrayAccess)) |
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{ |
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throw new \InvalidArgumentException( |
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'The options param must be an array or implement the ArrayAccess interface.' |
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); |
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} |
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if (is_null($default)) |
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{ |
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$availableAdapters = self::getHttpTransports(); |
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} |
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else |
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{ |
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settype($default, 'array'); |
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$availableAdapters = $default; |
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} |
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// Check if there is at least one available http transport adapter |
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if (!count($availableAdapters)) |
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{ |
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return false; |
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} |
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foreach ($availableAdapters as $adapter) |
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{ |
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/* @var $class TransportInterface */ |
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$class = 'Joomla\\Http\\Transport\\' . ucfirst($adapter); |
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if (class_exists($class)) |
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{ |
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if ($class::isSupported()) |
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{ |
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return new $class($options); |
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} |
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} |
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} |
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return false; |
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} |
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/** |
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* Get the HTTP transport handlers |
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* |
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* @return array An array of available transport handlers |
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* |
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* @since 1.0 |
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*/ |
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public static function getHttpTransports() |
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{ |
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$names = array(); |
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$iterator = new \DirectoryIterator(__DIR__ . '/Transport'); |
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/* @var $file \DirectoryIterator */ |
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foreach ($iterator as $file) |
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{ |
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$fileName = $file->getFilename(); |
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// Only load for php files. |
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if ($file->isFile() && $file->getExtension() == 'php') |
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{ |
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$names[] = substr($fileName, 0, strrpos($fileName, '.')); |
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} |
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} |
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// Keep alphabetical order across all environments |
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sort($names); |
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// If curl is available set it to the first position |
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$key = array_search('Curl', $names); |
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if ($key) |
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{ |
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unset($names[$key]); |
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array_unshift($names, 'Curl'); |
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} |
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return $names; |
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} |
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} |
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