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编辑当前文件:/home2/sdektunc/.trash/libraries.7/src/MVC/Model/LegacyModelLoaderTrait.php

<?php
/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2019 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE
 */

namespace Joomla\CMS\MVC\Model;

\defined('JPATH_PLATFORM') or die;

use Joomla\CMS\Extension\LegacyComponent;
use Joomla\CMS\Factory;
use Joomla\CMS\Filesystem\Path;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Log\Log;
use Joomla\CMS\MVC\Factory\MVCFactoryServiceInterface;
use Joomla\CMS\Table\Table;

/**
 * Trait which contains the legacy getInstance functionality
 *
 * @since       4.0.0
 * @deprecated  5.0 Will be removed without replacement
 */
trait LegacyModelLoaderTrait
{

/**
	 * Create the filename for a resource
	 *
	 * @param   string  $type   The resource type to create the filename for.
	 * @param   array   $parts  An associative array of filename information.
	 *
	 * @return  string  The filename
	 *
	 * @since       3.0
	 * @deprecated  5.0 See getInstance
	 */
	protected static function _createFileName($type, $parts = array())
	{
		$filename = '';

switch ($type)
		{
			case 'model':
				$filename = strtolower($parts['name']) . '.php';
				break;
		}

return $filename;
	}

/**
	 * Returns a Model object, always creating it
	 *
	 * @param   string  $type    The model type to instantiate
	 * @param   string  $prefix  Prefix for the model class name. Optional.
	 * @param   array   $config  Configuration array for model. Optional.
	 *
	 * @return  self|boolean   A \JModelLegacy instance or false on failure
	 *
	 * @since       3.0
	 * @deprecated  5.0 Get the model through the MVCFactory instead
	 */
	public static function getInstance($type, $prefix = '', $config = array())
	{
		@trigger_error(
			sprintf(
				'%1$s::getInstance() is deprecated. Load it through the MVC factory.',
				self::class
			),
			E_USER_DEPRECATED
		);

$type = preg_replace('/[^A-Z0-9_\.-]/i', '', $type);

if ($model = self::createModelFromComponent($type, $prefix, $config))
		{
			return $model;
		}

$modelClass = $prefix . ucfirst($type);

if (!class_exists($modelClass))
		{
			$path = Path::find(self::addIncludePath(null, $prefix), self::_createFileName('model', array('name' => $type)));

if (!$path)
			{
				$path = Path::find(self::addIncludePath(null, ''), self::_createFileName('model', array('name' => $type)));
			}

if (!$path)
			{
				return false;
			}

require_once $path;

if (!class_exists($modelClass))
			{
				Log::add(Text::sprintf('JLIB_APPLICATION_ERROR_MODELCLASS_NOT_FOUND', $modelClass), Log::WARNING, 'jerror');

return false;
			}
		}

return new $modelClass($config);
	}

/**
	 * Adds to the stack of model table paths in LIFO order.
	 *
	 * @param   mixed  $path  The directory as a string or directories as an array to add.
	 *
	 * @return  void
	 *
	 * @since       3.0
	 * @deprecated  5.0 See getInstance
	 */
	public static function addTablePath($path)
	{
		Table::addIncludePath($path);
	}

/**
	 * Returns a Model object by loading the component from the prefix.
	 *
	 * @param   string  $type    The model type to instantiate
	 * @param   string  $prefix  Prefix for the model class name. Optional.
	 * @param   array   $config  Configuration array for model. Optional.
	 *
	 * @return  ModelInterface|null   A ModelInterface instance or null on failure
	 *
	 * @since       4.0.0
	 * @deprecated  5.0 See getInstance
	 */
	private static function createModelFromComponent($type, $prefix = '', $config = []) : ?ModelInterface
	{
		// Do nothing when prefix is not given
		if (!$prefix)
		{
			return null;
		}

// Boot the component
		$componentName = 'com_' . str_replace('model', '', strtolower($prefix));
		$component     = Factory::getApplication()->bootComponent($componentName);

// When it is a legacy component or not a MVCFactoryService then ignore
		if ($component instanceof LegacyComponent || !$component instanceof MVCFactoryServiceInterface)
		{
			return null;
		}

// Setup the client
		$client = Factory::getApplication()->getName();

// Detect the client based on the include paths
		$adminPath = Path::clean(JPATH_ADMINISTRATOR . '/components/' . $componentName);
		$sitePath  = Path::clean(JPATH_SITE . '/components/' . $componentName);

foreach (self::addIncludePath() as $path)
		{
			if (strpos($path, $adminPath) !== false)
			{
				$client = 'Administrator';
				break;
			}

if (strpos($path, $sitePath) !== false)
			{
				$client = 'Site';
				break;
			}
		}

// Create the model
		$model = $component->getMVCFactory()->createModel($type, $client, $config);

// When the model can't be loaded, then return null
		if (!$model)
		{
			return null;
		}

// Return the model instance
		return $model;
	}
}