67 lines
2.0 KiB
PHP
67 lines
2.0 KiB
PHP
<?php
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abstract class RippingCluster_PluginFactory implements RippingCluster_IPluginFactory {
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static private $validPlugins = array();
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protected static function ensureScanned() {
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if (! isset(self::$validPlugins[get_called_class()])) {
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static::scan();
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}
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}
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protected static function isValidPlugin($plugin) {
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return isset(self::$validPlugins[get_called_class()][$plugin]);
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}
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public static function getValidPlugins() {
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static::ensureScanned();
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return array_keys(self::$validPlugins[get_called_class()]);
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}
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protected static function findPlugins($directory) {
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$plugins = array();
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$iterator = new RippingCluster_Utility_ClassFilesIterator(new RippingCluster_Utility_VisibleFilesIterator(new DirectoryIterator(RippingCluster_Lib . $directory)));
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foreach ($iterator as /** @var SplFileInfo */ $file) {
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$plugin = preg_replace('/.class.php$/', '', $file->getFilename());
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$plugins[] = $plugin;
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}
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return $plugins;
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}
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protected static function loadPlugins($plugins, $prefix, $interface) {
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self::$validPlugins[get_called_class()] = array();
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foreach ($plugins as $plugin) {
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$fullClassname = $prefix . $plugin;
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if ( ! class_exists($fullClassname, true)) {
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continue;
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}
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if ( ! in_array($interface, class_implements($fullClassname))) {
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continue;
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}
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// Initialise the plugin
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call_user_func(array($fullClassname, 'init'));
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self::$validPlugins[get_called_class()][$plugin] = $fullClassname;
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}
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}
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public static function classname($plugin) {
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static::ensureScanned();
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if ( ! self::isValidPlugin($plugin)) {
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throw new RippingCluster_Exception_InvalidPluginName($plugin);
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}
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return self::$validPlugins[get_called_class()][$plugin];
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}
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}
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?>
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