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148 lines
4.1 KiB
PHP
148 lines
4.1 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Server
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Cache.php 16210 2009-06-21 19:22:17Z thomas $
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*/
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/**
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* Zend_Server_Cache: cache server definitions
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*
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* @category Zend
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* @package Zend_Server
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Server_Cache
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{
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/**
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* @var array Methods to skip when caching server
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*/
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protected static $_skipMethods = array();
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/**
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* Cache a file containing the dispatch list.
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*
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* Serializes the server definition stores the information
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* in $filename.
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*
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* Returns false on any error (typically, inability to write to file), true
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* on success.
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*
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* @param string $filename
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* @param Zend_Server_Interface $server
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* @return bool
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*/
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public static function save($filename, Zend_Server_Interface $server)
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{
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if (!is_string($filename)
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|| (!file_exists($filename) && !is_writable(dirname($filename))))
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{
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return false;
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}
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$methods = $server->getFunctions();
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if ($methods instanceof Zend_Server_Definition) {
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$definition = new Zend_Server_Definition();
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foreach ($methods as $method) {
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if (in_array($method->getName(), self::$_skipMethods)) {
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continue;
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}
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$definition->addMethod($method);
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}
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$methods = $definition;
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}
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if (0 === @file_put_contents($filename, serialize($methods))) {
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return false;
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}
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return true;
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}
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/**
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* Load server definition from a file
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*
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* Unserializes a stored server definition from $filename. Returns false if
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* it fails in any way, true on success.
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*
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* Useful to prevent needing to build the server definition on each
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* request. Sample usage:
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*
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* <code>
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* if (!Zend_Server_Cache::get($filename, $server)) {
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* require_once 'Some/Service/Class.php';
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* require_once 'Another/Service/Class.php';
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*
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* // Attach Some_Service_Class with namespace 'some'
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* $server->attach('Some_Service_Class', 'some');
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*
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* // Attach Another_Service_Class with namespace 'another'
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* $server->attach('Another_Service_Class', 'another');
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*
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* Zend_Server_Cache::save($filename, $server);
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* }
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*
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* $response = $server->handle();
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* echo $response;
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* </code>
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*
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* @param string $filename
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* @param Zend_Server_Interface $server
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* @return bool
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*/
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public static function get($filename, Zend_Server_Interface $server)
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{
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if (!is_string($filename)
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|| !file_exists($filename)
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|| !is_readable($filename))
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{
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return false;
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}
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if (false === ($dispatch = @file_get_contents($filename))) {
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return false;
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}
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if (false === ($dispatchArray = @unserialize($dispatch))) {
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return false;
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}
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$server->loadFunctions($dispatchArray);
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return true;
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}
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/**
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* Remove a cache file
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*
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* @param string $filename
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* @return boolean
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*/
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public static function delete($filename)
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{
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if (is_string($filename) && file_exists($filename)) {
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unlink($filename);
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return true;
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}
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return false;
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}
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}
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