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<?php
/**
* The base abstract factory used by all PasswordLib factories
*
* PHP version 5.3
*
* @category PHPPasswordLib
* @package Core
* @author Anthony Ferrara <ircmaxell@ircmaxell.com>
* @copyright 2011 The Authors
* @license http://www.opensource.org/licenses/mit-license.html MIT License
* @version Build @@version@@
*/
namespace SecurityLib;
/**
* The base abstract factory used by all PasswordLib factories
*
* @category PHPPasswordLib
* @package Core
* @author Anthony Ferrara <ircmaxell@ircmaxell.com>
*/
abstract class AbstractFactory {
/**
* Register a type with the factory by name
*
* This is an internal method to check if a provided class name implements
* an interface, and if it does to append that class to an internal array
* by name.
*
* @param string $type The name of the variable to store the class
* @param string $implements The interface to validate against
* @param string $name The name of this particular class
* @param string $class The fully qualified class name
* @param boolean $instantiate Should the class be stored instantiated
*
* @return void
* @throws InvalidArgumentException If class does not implement interface
*/
protected function registerType(
$type,
$implements,
$name,
$class,
$instantiate = false
) {
$name = strtolower($name);
$refl = new \ReflectionClass($class);
if (!$refl->implementsInterface($implements)) {
$message = sprintf('Class must implement %s', $implements);
throw new \InvalidArgumentException($message);
}
if ($instantiate) {
$class = new $class;
}
$this->{$type}[$name] = $class;
}
/**
* Load a set of classes from a directory into the factory
*
* @param string $directory The directory to search for classes in
* @param string $namespace The namespace prefix for any found classes
* @param string $callback The callback with which to register the class
*
* @return void
*/
protected function loadFiles($directory, $namespace, $callback) {
foreach (new \DirectoryIterator($directory) as $file) {
$filename = $file->getBasename();
if ($file->isFile() && substr($filename, -4) == '.php') {
$name = substr($filename, 0, -4);
$class = $namespace . $name;
call_user_func($callback, $name, $class);
}
}
}
}
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