1: <?php
  2: /**
  3:  * A Horde_Injector based Horde_Vfs factory.
  4:  *
  5:  * @author   Michael J. Rubinsky <mrubinsk@horde.org>
  6:  * @category Horde
  7:  * @license  http://www.horde.org/licenses/lgpl21 LGPL 2.1
  8:  * @package  Core
  9:  */
 10: 
 11: /**
 12:  * A Horde_Injector based Horde_Vfs factory.
 13:  *
 14:  * Copyright 2010-2012 Horde LLC (http://www.horde.org/)
 15:  *
 16:  * See the enclosed file COPYING for license information (LGPL). If you
 17:  * did not receive this file, see http://www.horde.org/licenses/lgpl21.
 18:  *
 19:  * @author   Michael J. Rubinsky <mrubinsk@horde.org>
 20:  * @category Horde
 21:  * @license  http://www.horde.org/licenses/lgpl21 LGPL 2.1
 22:  * @package  Core
 23:  */
 24: class Horde_Core_Factory_Vfs extends Horde_Core_Factory_Base
 25: {
 26:     /**
 27:      * Instances.
 28:      *
 29:      * @var array
 30:      */
 31:     private $_instances = array();
 32: 
 33:     /**
 34:      * Returns the VFS instance.
 35:      *
 36:      * @param string $scope  The vfs scope to return.
 37:      * @param array $params  Configuration parameters. If specified this
 38:      *                       configuration is used instead of the configuration
 39:      *                       from conf.php.
 40:      *
 41:      * @return Horde_Vfs  The VFS object.
 42:      */
 43:     public function create($scope = 'horde', $params = null)
 44:     {
 45:         if (empty($this->_instances[$scope])) {
 46:             if (!$params) {
 47:                 $params = $this->getConfig($scope);
 48:             }
 49: 
 50:             $class = 'Horde_Vfs_' . basename(Horde_String::ucfirst($params['type']));
 51:             if (!class_exists($class)) {
 52:                 throw new Horde_Exception('Class definition of ' . $class . ' not found.');
 53:             }
 54: 
 55:             $this->_instances[$scope] = new $class($params['params']);
 56:         }
 57: 
 58:         return $this->_instances[$scope];
 59:     }
 60: 
 61:     /**
 62:      * Returns the VFS driver parameters for the specified backend.
 63:      *
 64:      * @param string $name  The VFS system name being used.
 65:      *
 66:      * @return array  A hash with the VFS parameters; the VFS driver in 'type'
 67:      *                and the connection parameters in 'params'.
 68:      * @throws Horde_Exception
 69:      */
 70:     public function getConfig($name = 'horde')
 71:     {
 72:         global $conf;
 73: 
 74:         if ($name !== 'horde' && !isset($conf[$name]['type'])) {
 75:             throw new Horde_Exception(Horde_Core_Translation::t("You must configure a VFS backend."));
 76:         }
 77: 
 78:         $vfs = ($name == 'horde' || $conf[$name]['type'] == 'horde')
 79:             ? $conf['vfs']
 80:             : $conf[$name];
 81: 
 82:         switch (Horde_String::lower($vfs['type'])) {
 83:         case 'sql':
 84:         case 'sqlfile':
 85:         case 'musql':
 86:             if ($name == 'horde' || $conf[$name]['type'] == 'horde') {
 87:                 $vfs['params']['db'] = $this->_injector->getInstance('Horde_Db_Adapter');
 88:             } else {
 89:                 $config = Horde::getDriverConfig('vfs', 'sql');
 90:                 unset($config['umask'], $config['vfsroot']);
 91:                 $vfs['params']['db'] = $this->_injector
 92:                     ->getInstance('Horde_Core_Factory_Db')
 93:                     ->create('horde', $config);
 94:             }
 95:             break;
 96:         }
 97: 
 98:         return $vfs;
 99:     }
100: }
101: