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_Oauth

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

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

    19  * @version    $Id: Oauth.php 21070 2010-02-16 14:34:25Z padraic $

    20  */

    21 

    22 /** Zend_Http_Client */

    23 require_once 'Zend/Http/Client.php';

    24 

    25 /**

    26  * @category   Zend

    27  * @package    Zend_Oauth

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

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

    30  */

    31 class Zend_Oauth

    32 {

    33     const REQUEST_SCHEME_HEADER      = 'header';

    34     const REQUEST_SCHEME_POSTBODY    = 'postbody';

    35     const REQUEST_SCHEME_QUERYSTRING = 'querystring';

    36     const GET                        = 'GET';

    37     const POST                       = 'POST';

    38     const PUT                        = 'PUT';

    39     const DELETE                     = 'DELETE';

    40     const HEAD                       = 'HEAD';

    41 

    42     /**

    43      * Singleton instance if required of the HTTP client

    44      *

    45      * @var Zend_Http_Client

    46      */

    47     protected static $httpClient = null;

    48 

    49     /**

    50      * Allows the external environment to make Zend_Oauth use a specific

    51      * Client instance.

    52      *

    53      * @param Zend_Http_Client $httpClient

    54      * @return void

    55      */

    56     public static function setHttpClient(Zend_Http_Client $httpClient)

    57     {

    58         self::$httpClient = $httpClient;

    59     }

    60 

    61     /**

    62      * Return the singleton instance of the HTTP Client. Note that

    63      * the instance is reset and cleared of previous parameters and

    64      * Authorization header values.

    65      *

    66      * @return Zend_Http_Client

    67      */

    68     public static function getHttpClient()

    69     {

    70         if (!isset(self::$httpClient)) {

    71             self::$httpClient = new Zend_Http_Client;

    72         } else {

    73             self::$httpClient->setHeaders('Authorization', null);

    74             self::$httpClient->resetParameters();

    75         }

    76         return self::$httpClient;

    77     }

    78 

    79     /**

    80      * Simple mechanism to delete the entire singleton HTTP Client instance

    81      * which forces an new instantiation for subsequent requests.

    82      *

    83      * @return void

    84      */

    85     public static function clearHttpClient()

    86     {

    87         self::$httpClient = null;

    88     }

    89 }