TechDivision\Import\Observers\ObserverVisitor

Complexity

Total Complexity

8

Size/Duplication

Total Lines	70
Duplicated Lines	27.14 %

Coupling/Cohesion

Components	0
Dependencies	2

Test Coverage

Coverage

0%

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	get()	0	4	1
A	visit()	0	7	2
A	prepareObservers()	19	19	4
A	observerFactory()	0	4	1

<?php

/**
 * TechDivision\Import\Observers\ObserverVisitor
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 *
 * PHP version 5
 *
 * @author    Tim Wagner <t.wagner@techdivision.com>
 * @copyright 2016 TechDivision GmbH <info@techdivision.com>
 * @license   http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
 * @link      https://github.com/techdivision/import
 * @link      http://www.techdivision.com
 */

namespace TechDivision\Import\Observers;

use TechDivision\Import\Subjects\SubjectInterface;

/**
 * Visitor implementation for a subject's observers.
 *
 * @author    Tim Wagner <t.wagner@techdivision.com>
 * @copyright 2016 TechDivision GmbH <info@techdivision.com>
 * @license   http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
 * @link      https://github.com/techdivision/import
 * @link      http://www.techdivision.com
 */
class ObserverVisitor
{

    /**
     * Return's a new visitor instance.
     *
     * @return \TechDivision\Import\Cli\Observers\ObserverVisitor The visitor instance
     */
    public static function get()
    {
        return new ObserverVisitor();
    }

    /**
     * Visitor implementation that initializes the observers of the passed subject.
     *
     * @param \TechDivision\Import\Subjects\SubjectInterface $subject The subject to initialize the observers for
     *
     * @return void
     */
    public function visit(SubjectInterface $subject)
    {
        // prepare the observers
        foreach ($subject->getConfiguration()->getObservers() as $observers) {
            $this->prepareObservers($subject, $observers);
        }
    }

    /**
     * Prepare the observers defined in the system configuration.
     *
     * @param \TechDivision\Import\Subjects\SubjectInterface $subject   The subject to prepare the observers for
     * @param array                                          $observers The array with the observers
     * @param string                                         $type      The actual observer type
     *
     * @return void
     */
    protected function prepareObservers(SubjectInterface $subject, array $observers, $type = null)

This method seems to be duplicated in your project.

    {

        // iterate over the array with observers and prepare them
        foreach ($observers as $key => $observer) {
            // we have to initialize the type only on the first level
            if ($type == null) {
                $type = $key;
            }

            // query whether or not we've an subarry or not
            if (is_array($observer)) {
                $this->prepareObservers($subject, $observer, $type);
            } else {
                $observerInstance = $this->observerFactory($subject, $observer);
                $subject->registerObserver($observerInstance, $type);
            }
        }
    }

    /**
     * Initialize and return a new observer of the passed type.
     *
     * @param \TechDivision\Import\Subjects\SubjectInterface $subject   The subject to create the observer for
     * @param string                                         $className The type of the observer to instanciate
     *
     * @return \TechDivision\Import\Observers\ObserverInterface The observer instance
     */
    protected function observerFactory(SubjectInterface $subject, $className)
    {
        return new $className($subject);
    }
}