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//home/yknvptog/president-studio.com/libraries/src/Adapter/Adapter.php

<?php

/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2008 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\Adapter;

use Joomla\CMS\Factory;
use Joomla\CMS\Object\CMSObject;
use Joomla\Database\DatabaseAwareInterface;

// phpcs:disable PSR1.Files.SideEffects
\defined('JPATH_PLATFORM') or die;
// phpcs:enable PSR1.Files.SideEffects

/**
 * Adapter Class
 * Retains common adapter pattern functions
 * Class harvested from joomla.installer.installer
 *
 * @since       1.6
 * @deprecated  4.3 will be removed in 6.0
 *              Will be removed without replacement
 */
class Adapter extends CMSObject
{
    /**
     * Associative array of adapters
     *
     * @var    static[]
     * @since  1.6
     */
    protected $_adapters = [];

/**
     * Adapter Folder
     *
     * @var    string
     * @since  1.6
     */
    protected $_adapterfolder = 'adapters';

/**
     * Adapter Class Prefix
     *
     * @var    string
     * @since  1.6
     */
    protected $_classprefix = 'J';

/**
     * Base Path for the adapter instance
     *
     * @var    string
     * @since  1.6
     */
    protected $_basepath = null;

/**
     * Database Connector Object
     *
     * @var    \Joomla\Database\DatabaseDriver
     * @since  1.6
     */
    protected $_db;

/**
     * Constructor
     *
     * @param   string  $basepath       Base Path of the adapters
     * @param   string  $classprefix    Class prefix of adapters
     * @param   string  $adapterfolder  Name of folder to append to base path
     *
     * @since   1.6
     */
    public function __construct($basepath, $classprefix = null, $adapterfolder = null)
    {
        $this->_basepath      = $basepath;
        $this->_classprefix   = $classprefix ?: 'J';
        $this->_adapterfolder = $adapterfolder ?: 'adapters';

$this->_db = Factory::getDbo();

// Ensure BC, when removed in 5, then the db must be set with setDatabase explicitly
        if ($this instanceof DatabaseAwareInterface) {
            $this->setDatabase($this->_db);
        }
    }

/**
     * Get the database connector object
     *
     * @return  \Joomla\Database\DatabaseDriver  Database connector object
     *
     * @since   1.6
     */
    public function getDbo()
    {
        return $this->_db;
    }

/**
     * Return an adapter.
     *
     * @param   string  $name     Name of adapter to return
     * @param   array   $options  Adapter options
     *
     * @return  static|boolean  Adapter of type 'name' or false
     *
     * @since   1.6
     */
    public function getAdapter($name, $options = [])
    {
        if (array_key_exists($name, $this->_adapters)) {
            return $this->_adapters[$name];
        }

if ($this->setAdapter($name, $options)) {
            return $this->_adapters[$name];
        }

return false;
    }

/**
     * Set an adapter by name
     *
     * @param   string  $name     Adapter name
     * @param   object  $adapter  Adapter object
     * @param   array   $options  Adapter options
     *
     * @return  boolean  True if successful
     *
     * @since   1.6
     */
    public function setAdapter($name, &$adapter = null, $options = [])
    {
        if (is_object($adapter)) {
            $this->_adapters[$name] = &$adapter;

return true;
        }

$class = rtrim($this->_classprefix, '\\') . '\\' . ucfirst($name);

if (class_exists($class)) {
            $this->_adapters[$name] = new $class($this, $this->_db, $options);

return true;
        }

$class = rtrim($this->_classprefix, '\\') . '\\' . ucfirst($name) . 'Adapter';

if (class_exists($class)) {
            $this->_adapters[$name] = new $class($this, $this->_db, $options);

return true;
        }

$fullpath = $this->_basepath . '/' . $this->_adapterfolder . '/' . strtolower($name) . '.php';

if (!is_file($fullpath)) {
            return false;
        }

// Try to load the adapter object
        $class = $this->_classprefix . ucfirst($name);

\JLoader::register($class, $fullpath);

if (!class_exists($class)) {
            return false;
        }

$this->_adapters[$name] = new $class($this, $this->_db, $options);

return true;
    }

/**
     * Loads all adapters.
     *
     * @param   array  $options  Adapter options
     *
     * @return  void
     *
     * @since   1.6
     */
    public function loadAllAdapters($options = [])
    {
        $files = new \DirectoryIterator($this->_basepath . '/' . $this->_adapterfolder);

/** @type  $file  \DirectoryIterator */
        foreach ($files as $file) {
            $fileName = $file->getFilename();

// Only load for php files.
            if (!$file->isFile() || $file->getExtension() != 'php') {
                continue;
            }

// Try to load the adapter object
            require_once $this->_basepath . '/' . $this->_adapterfolder . '/' . $fileName;

// Derive the class name from the filename.
            $name  = str_ireplace('.php', '', ucfirst(trim($fileName)));
            $class = $this->_classprefix . ucfirst($name);

if (!class_exists($class)) {
                // Skip to next one
                continue;
            }

$adapter                = new $class($this, $this->_db, $options);
            $this->_adapters[$name] = clone $adapter;
        }
    }
}