1 <?php

     2 /**

     3  * Zend Framework

     4  *

     5  * LICENSE

     6  *

     7  * This source file is subject to the new BSD license that is bundled

     8  * with this package in the file LICENSE.txt.

     9  * It is also available through the world-wide-web at this URL:

    10  * http://framework.zend.com/license/new-bsd

    11  * If you did not receive a copy of the license and are unable to

    12  * obtain it through the world-wide-web, please send an email

    13  * to license@zend.com so we can send you a copy immediately.

    14  *

    15  * @category   Zend

    16  * @package    Zend_Json

    17  * @subpackage Server

    18  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    19  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    20  * @version    $Id: Cache.php 20096 2010-01-06 02:05:09Z bkarwin $

    21  */

    22 

    23 /** Zend_Server_Cache */

    24 require_once 'Zend/Server/Cache.php';

    25 

    26 /**

    27  * Zend_Json_Server_Cache: cache Zend_Json_Server server definition and SMD

    28  *

    29  * @category   Zend

    30  * @package    Zend_Json

    31  * @subpackage Server

    32  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    33  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    34  */

    35 class Zend_Json_Server_Cache extends Zend_Server_Cache

    36 {

    37     /**

    38      * Cache a service map description (SMD) to a file

    39      *

    40      * Returns true on success, false on failure

    41      *

    42      * @param  string $filename

    43      * @param  Zend_Json_Server $server

    44      * @return boolean

    45      */

    46     public static function saveSmd($filename, Zend_Json_Server $server)

    47     {

    48         if (!is_string($filename)

    49             || (!file_exists($filename) && !is_writable(dirname($filename))))

    50         {

    51             return false;

    52         }

    53 

    54         if (0 === @file_put_contents($filename, $server->getServiceMap()->toJson())) {

    55             return false;

    56         }

    57 

    58         return true;

    59     }

    60 

    61     /**

    62      * Retrieve a cached SMD

    63      *

    64      * On success, returns the cached SMD (a JSON string); an failure, returns

    65      * boolean false.

    66      *

    67      * @param  string $filename

    68      * @return string|false

    69      */

    70     public static function getSmd($filename)

    71     {

    72         if (!is_string($filename)

    73             || !file_exists($filename)

    74             || !is_readable($filename))

    75         {

    76             return false;

    77         }

    78 

    79 

    80         if (false === ($smd = @file_get_contents($filename))) {

    81             return false;

    82         }

    83 

    84         return $smd;

    85     }

    86 

    87     /**

    88      * Delete a file containing a cached SMD

    89      *

    90      * @param  string $filename

    91      * @return bool

    92      */

    93     public static function deleteSmd($filename)

    94     {

    95         if (is_string($filename) && file_exists($filename)) {

    96             unlink($filename);

    97             return true;

    98         }

    99 

   100         return false;

   101     }

   102 }