www.gusucode.com > FavShop网店系统源码程序 > FavShop网店系统 1.0/upload/cake/libs/object.php
<?php
/* SVN FILE: $Id: object.php 6311 2008-01-02 06:33:52Z phpnut $ */
/**
* Object class, allowing __construct and __destruct in PHP4.
*
* Also includes methods for logging and the special method RequestAction,
* to call other Controllers' Actions from anywhere.
*
* PHP versions 4 and 5
*
* CakePHP(tm) : Rapid Development Framework <http://www.cakephp.org/>
* Copyright 2005-2008, Cake Software Foundation, Inc.
* 1785 E. Sahara Avenue, Suite 490-204
* Las Vegas, Nevada 89104
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @filesource
* @copyright Copyright 2005-2008, Cake Software Foundation, Inc.
* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
* @package cake
* @subpackage cake.cake.libs
* @since CakePHP(tm) v 0.2.9
* @version $Revision: 6311 $
* @modifiedby $LastChangedBy: phpnut $
* @lastmodified $Date: 2008-01-02 00:33:52 -0600 (Wed, 02 Jan 2008) $
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
/**
* Object class, allowing __construct and __destruct in PHP4.
*
* Also includes methods for logging and the special method RequestAction,
* to call other Controllers' Actions from anywhere.
*
* @package cake
* @subpackage cake.cake.libs
*/
class Object {
/**
* Log object
*
* @var object
* @access protected
*/
var $_log = null;
/**
* A hack to support __construct() on PHP 4
* Hint: descendant classes have no PHP4 class_name() constructors,
* so this constructor gets called first and calls the top-layer __construct()
* which (if present) should call parent::__construct()
*
* @return Object
*/
function Object() {
$args = func_get_args();
if (method_exists($this, '__destruct')) {
register_shutdown_function (array(&$this, '__destruct'));
}
call_user_func_array(array(&$this, '__construct'), $args);
}
/**
* Class constructor, overridden in descendant classes.
*/
function __construct() {
}
/**
* Object-to-string conversion.
* Each class can override this method as necessary.
*
* @return string The name of this class
* @access public
*/
function toString() {
$class = get_class($this);
return $class;
}
/**
* Calls a controller's method from any location.
*
* @param string $url URL in the form of Cake URL ("/controller/method/parameter")
* @param array $extra If array includes the key "return" it sets the AutoRender to true.
* @return mixed Success (true/false) or contents if 'return' is set in $extra
* @access public
*/
function requestAction($url, $extra = array()) {
if (!empty($url)) {
if (!class_exists('dispatcher')) {
require CAKE . 'dispatcher.php';
}
$dispatcher =& new Dispatcher();
if (in_array('return', $extra, true)) {
$extra['return'] = 0;
$extra['bare'] = 1;
$extra['requested'] = 1;
ob_start();
$out = $dispatcher->dispatch($url, $extra);
$out = ob_get_clean();
return $out;
} else {
$extra['return'] = 1;
$extra['bare'] = 1;
$extra['requested'] = 1;
return $dispatcher->dispatch($url, $extra);
}
} else {
return false;
}
}
/**
* API for logging events.
*
* @param string $msg Log message
* @param integer $type Error type constant. Defined in app/config/core.php.
* @access public
*/
function log($msg, $type = LOG_ERROR) {
if (!class_exists('CakeLog')) {
uses('cake_log');
}
if (is_null($this->_log)) {
$this->_log = new CakeLog();
}
if (!is_string($msg)) {
$msg = print_r ($msg, true);
}
return $this->_log->write($type, $msg);
}
/**
* Allows setting of multiple properties of the object in a single line of code.
*
* @param array $properties An associative array containing properties and corresponding values.
* @access protected
*/
function _set($properties = array()) {
if (is_array($properties) && !empty($properties)) {
$vars = get_object_vars($this);
foreach ($properties as $key => $val) {
if (array_key_exists($key, $vars)) {
$this->{$key} = $val;
}
}
}
}
/**
* Used to report user friendly errors.
* If there is a file app/error.php this file will be loaded
* error.php is the AppError class it should extend ErrorHandler class.
*
* @param string $method Method to be called in the error class (AppError or ErrorHandler classes)
* @param array $messages Message that is to be displayed by the error class
* @return error message
* @access public
*/
function cakeError($method, $messages) {
if (!class_exists('ErrorHandler')) {
uses('error');
if (file_exists(APP . 'error.php')) {
include_once (APP . 'error.php');
}
}
if (class_exists('AppError')) {
$error = new AppError($method, $messages);
} else {
$error = new ErrorHandler($method, $messages);
}
return $error;
}
/**
* Checks for a persistent class file, if found file is opened and true returned
* If file is not found a file is created and false returned
* If used in other locations of the model you should choose a unique name for the persistent file
* There are many uses for this method, see manual for examples
*
* @param string $name name of the class to persist
* @param string $object the object to persist
* @return boolean Success
* @access protected
* @todo add examples to manual
*/
function _persist($name, $return = null, &$object, $type = null) {
$file = CACHE . 'persistent' . DS . strtolower($name) . '.php';
if ($return === null) {
if (!file_exists($file)) {
return false;
} else {
return true;
}
}
if (!file_exists($file)) {
$this->_savePersistent($name, $object);
return false;
} else {
$this->__openPersistent($name, $type);
return true;
}
}
/**
* You should choose a unique name for the persistent file
*
* There are many uses for this method, see manual for examples
*
* @param string $name name used for object to cache
* @param object $object the object to persist
* @return true on save, throws error if file can not be created
* @access protected
*/
function _savePersistent($name, &$object) {
$file = 'persistent' . DS . strtolower($name) . '.php';
$objectArray = array(&$object);
$data = str_replace('\\', '\\\\', serialize($objectArray));
$data = '<?php $' . $name . ' = \'' . str_replace('\'', '\\\'', $data) . '\' ?>';
cache($file, $data, '+1 day');
}
/**
* Open the persistent class file for reading
* Used by Object::_persist()
*
* @param string $name Name of persisted class
* @param string $type Type of persistance (e.g: registry)
* @access private
*/
function __openPersistent($name, $type = null) {
$file = CACHE . 'persistent' . DS . strtolower($name) . '.php';
include($file);
switch($type) {
case 'registry':
$vars = unserialize(${$name});
foreach ($vars['0'] as $key => $value) {
if(strpos($key, '_behavior')) {
loadBehavior(Inflector::classify(str_replace('_behavior', '', $key)));
} else {
loadModel(Inflector::classify($key));
}
}
unset($vars);
$vars = unserialize(${$name});
foreach ($vars['0'] as $key => $value) {
ClassRegistry::addObject($key, $value);
unset ($value);
}
unset($vars);
break;
default:
$vars = unserialize(${$name});
$this->{$name} = $vars['0'];
unset($vars);
break;
}
}
}
?>