/usr/share/php/Guzzle/Cache/CacheAdapterFactory.php is in php-guzzle 3.7.0-1.
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namespace Guzzle\Cache;
use Doctrine\Common\Cache\Cache;
use Guzzle\Common\Version;
use Guzzle\Common\Exception\InvalidArgumentException;
use Guzzle\Common\FromConfigInterface;
use Zend\Cache\Storage\StorageInterface;
/**
* Generates cache adapters from any number of known cache implementations
*/
class CacheAdapterFactory implements FromConfigInterface
{
/**
* Create a Guzzle cache adapter based on an array of options
*
* @param mixed $cache Cache value
*
* @return CacheAdapterInterface
* @throws InvalidArgumentException
*/
public static function fromCache($cache)
{
if (!is_object($cache)) {
throw new InvalidArgumentException('Cache must be one of the known cache objects');
}
if ($cache instanceof CacheAdapterInterface) {
return $cache;
} elseif ($cache instanceof Cache) {
return new DoctrineCacheAdapter($cache);
} elseif ($cache instanceof StorageInterface) {
return new Zf2CacheAdapter($cache);
} else {
throw new InvalidArgumentException('Unknown cache type: ' . get_class($cache));
}
}
/**
* Create a Guzzle cache adapter based on an array of options
*
* @param array $config Array of configuration options
*
* @return CacheAdapterInterface
* @throws InvalidArgumentException
* @deprecated This will be removed in a future version
* @codeCoverageIgnore
*/
public static function factory($config = array())
{
Version::warn(__METHOD__ . ' is deprecated');
if (!is_array($config)) {
throw new InvalidArgumentException('$config must be an array');
}
if (!isset($config['cache.adapter']) && !isset($config['cache.provider'])) {
$config['cache.adapter'] = 'Guzzle\Cache\NullCacheAdapter';
$config['cache.provider'] = null;
} else {
// Validate that the options are valid
foreach (array('cache.adapter', 'cache.provider') as $required) {
if (!isset($config[$required])) {
throw new InvalidArgumentException("{$required} is a required CacheAdapterFactory option");
}
if (is_string($config[$required])) {
// Convert dot notation to namespaces
$config[$required] = str_replace('.', '\\', $config[$required]);
if (!class_exists($config[$required])) {
throw new InvalidArgumentException("{$config[$required]} is not a valid class for {$required}");
}
}
}
// Instantiate the cache provider
if (is_string($config['cache.provider'])) {
$args = isset($config['cache.provider.args']) ? $config['cache.provider.args'] : null;
$config['cache.provider'] = self::createObject($config['cache.provider'], $args);
}
}
// Instantiate the cache adapter using the provider and options
if (is_string($config['cache.adapter'])) {
$args = isset($config['cache.adapter.args']) ? $config['cache.adapter.args'] : array();
array_unshift($args, $config['cache.provider']);
$config['cache.adapter'] = self::createObject($config['cache.adapter'], $args);
}
return $config['cache.adapter'];
}
/**
* Create a class using an array of constructor arguments
*
* @param string $className Class name
* @param array $args Arguments for the class constructor
*
* @return mixed
* @throws RuntimeException
* @deprecated
* @codeCoverageIgnore
*/
private static function createObject($className, array $args = null)
{
try {
if (!$args) {
return new $className;
} else {
$c = new \ReflectionClass($className);
return $c->newInstanceArgs($args);
}
} catch (\Exception $e) {
throw new RuntimeException($e->getMessage(), $e->getCode(), $e);
}
}
}
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