+<?php
+/**
+ * An general object factory
+ *
+ * @author Roland Haeder <webmaster@ship-simu.org>
+ * @version 0.0.0
+ * @copyright Copyright(c) 2007, 2008 Roland Haeder, this is free software
+ * @license GNU GPL 3.0 or any newer version
+ * @link http://www.ship-simu.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+class ObjectFactory extends BaseFactory {
+ /**
+ * Protected constructor
+ *
+ * @param $class Name of the real class (not BaseFactory)
+ * @return void
+ */
+ protected function __construct () {
+ // Call parent constructor
+ parent::__construct(__CLASS__);
+
+ // Set object description
+ $this->setObjectDescription("Objekte-Fabrik");
+ }
+
+ /**
+ * Creates a new object given by the name or throws an exception if
+ * the class was not found. No parameters for the object are currently
+ * supported.
+ *
+ * @param $className Name of the class we shall construct
+ * @return $objectInstance An instance of the requested object
+ * @throws ClassNotFoundException If the requested class was not found
+ * @throws EmptyVariableException If a variable is empty unexpectly
+ */
+ public final static function createObjectByName ($className) {
+ // First get an instance of this factory
+ $factoryInstance = new ObjectFactory();
+
+ // Is the class name valid and is the class there?
+ if (empty($className)) {
+ // Throw an exception here
+ throw new EmptyVariableException(array($factoryInstance, 'className'), self::EXCEPTION_UNEXPECTED_EMPTY_STRING);
+ } elseif (!class_exists($className)) {
+ // Then throw an exception
+ throw new ClassNotFoundException($className, self::EXCEPTION_CLASS_NOT_FOUND);
+ }
+
+ // Then Prepare the eval() command
+ $eval = sprintf("\$objectInstance = %s::create%s();",
+ $className,
+ $className
+ );
+
+ // Run the command
+ eval($eval);
+
+ // Return the prepared instance
+ return $objectInstance;
+ }
+}
+
+// [EOF]
+?>
projects / shipsimu.git / commitdiff