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_File_Transfer

    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: Transfer.php 21201 2010-02-24 22:13:20Z thomas $

    20  */

    21 

    22 /**

    23  * @see Zend_Loader

    24  */

    25 require_once 'Zend/Loader.php';

    26 

    27 /**

    28  * Base class for all protocols supporting file transfers

    29  *

    30  * @category  Zend

    31  * @package   Zend_File_Transfer

    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_File_Transfer

    36 {

    37     /**

    38      * Array holding all directions

    39      *

    40      * @var array

    41      */

    42     protected $_adapter = array();

    43 

    44     /**

    45      * Creates a file processing handler

    46      *

    47      * @param  string  $adapter   Adapter to use

    48      * @param  boolean $direction OPTIONAL False means Download, true means upload

    49      * @param  array   $options   OPTIONAL Options to set for this adapter

    50      * @throws Zend_File_Transfer_Exception

    51      */

    52     public function __construct($adapter = 'Http', $direction = false, $options = array())

    53     {

    54         $this->setAdapter($adapter, $direction, $options);

    55     }

    56 

    57     /**

    58      * Sets a new adapter

    59      *

    60      * @param  string  $adapter   Adapter to use

    61      * @param  boolean $direction OPTIONAL False means Download, true means upload

    62      * @param  array   $options   OPTIONAL Options to set for this adapter

    63      * @throws Zend_File_Transfer_Exception

    64      */

    65     public function setAdapter($adapter, $direction = false, $options = array())

    66     {

    67         if (Zend_Loader::isReadable('Zend/File/Transfer/Adapter/' . ucfirst($adapter). '.php')) {

    68             $adapter = 'Zend_File_Transfer_Adapter_' . ucfirst($adapter);

    69         }

    70 

    71         if (!class_exists($adapter)) {

    72             Zend_Loader::loadClass($adapter);

    73         }

    74 

    75         $direction = (integer) $direction;

    76         $this->_adapter[$direction] = new $adapter($options);

    77         if (!$this->_adapter[$direction] instanceof Zend_File_Transfer_Adapter_Abstract) {

    78             require_once 'Zend/File/Transfer/Exception.php';

    79             throw new Zend_File_Transfer_Exception("Adapter " . $adapter . " does not extend Zend_File_Transfer_Adapter_Abstract");

    80         }

    81 

    82         return $this;

    83     }

    84 

    85     /**

    86      * Returns all set adapters

    87      *

    88      * @param boolean $direction On null, all directions are returned

    89      *                           On false, download direction is returned

    90      *                           On true, upload direction is returned

    91      * @return array|Zend_File_Transfer_Adapter

    92      */

    93     public function getAdapter($direction = null)

    94     {

    95         if ($direction === null) {

    96             return $this->_adapter;

    97         }

    98 

    99         $direction = (integer) $direction;

   100         return $this->_adapter[$direction];

   101     }

   102 

   103     /**

   104      * Calls all methods from the adapter

   105      *

   106      * @param  string $method  Method to call

   107      * @param  array  $options Options for this method

   108      * @return mixed

   109      */

   110     public function __call($method, array $options)

   111     {

   112         if (array_key_exists('direction', $options)) {

   113             $direction = (integer) $options['direction'];

   114         } else {

   115             $direction = 0;

   116         }

   117 

   118         if (method_exists($this->_adapter[$direction], $method)) {

   119             return call_user_func_array(array($this->_adapter[$direction], $method), $options);

   120         }

   121 

   122         require_once 'Zend/File/Transfer/Exception.php';

   123         throw new Zend_File_Transfer_Exception("Unknown method '" . $method . "' called!");

   124     }

   125 }