Initial commit

lib/Cake/Log/LogEngineCollection.php

@@ -0,0 +1,74 @@
+<?php
+/**
+ * Registry of loaded log engines
+ *
+ * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
+ * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
+ *
+ * Licensed under The MIT License
+ * For full copyright and license information, please see the LICENSE.txt
+ * Redistributions of files must retain the above copyright notice.
+ *
+ * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
+ * @link          http://cakephp.org CakePHP(tm) Project
+ * @package       Cake.Log
+ * @since         CakePHP(tm) v 2.2
+ * @license       http://www.opensource.org/licenses/mit-license.php MIT License
+ */
+
+App::uses('ObjectCollection', 'Utility');
+
+/**
+ * Registry of loaded log engines
+ *
+ * @package       Cake.Log
+ */
+class LogEngineCollection extends ObjectCollection {
+
+/**
+ * Loads/constructs a Log engine.
+ *
+ * @param string $name instance identifier
+ * @param array $options Setting for the Log Engine
+ * @return BaseLog BaseLog engine instance
+ * @throws CakeLogException when logger class does not implement a write method
+ */
+	public function load($name, $options = array()) {
+		$enable = isset($options['enabled']) ? $options['enabled'] : true;
+		$loggerName = $options['engine'];
+		unset($options['engine']);
+		$className = $this->_getLogger($loggerName);
+		$logger = new $className($options);
+		if (!$logger instanceof CakeLogInterface) {
+			throw new CakeLogException(
+				__d('cake_dev', 'logger class %s does not implement a %s method.', $loggerName, 'write()')
+			);
+		}
+		$this->_loaded[$name] = $logger;
+		if ($enable) {
+			$this->enable($name);
+		}
+		return $logger;
+	}
+
+/**
+ * Attempts to import a logger class from the various paths it could be on.
+ * Checks that the logger class implements a write method as well.
+ *
+ * @param string $loggerName the plugin.className of the logger class you want to build.
+ * @return mixed boolean false on any failures, string of classname to use if search was successful.
+ * @throws CakeLogException
+ */
+	protected static function _getLogger($loggerName) {
+		list($plugin, $loggerName) = pluginSplit($loggerName, true);
+		if (substr($loggerName, -3) !== 'Log') {
+			$loggerName .= 'Log';
+		}
+		App::uses($loggerName, $plugin . 'Log/Engine');
+		if (!class_exists($loggerName)) {
+			throw new CakeLogException(__d('cake_dev', 'Could not load class %s', $loggerName));
+		}
+		return $loggerName;
+	}
+
+}