aol/atc

<?php

namespace Aol\Atc;

class ActionFactory implements ActionFactoryInterface
{
    protected $namespace = '';

    public function __construct($namespace)
    {
        $this->namespace = $namespace;
    }

    /**
     * @inheritdoc
     */
    public function newInstance($action, $params)
    {
        $class = $this->parseAction($action);
        if (!is_null($class)) {
            $class = new $class($params);
        }

        return $class;
    }

    /**
     * @param string $action
     * @return string
     */
    protected function parseAction($action)
    {
        $class = $this->namespace . str_replace('.', '\\', $action);
        $class = class_exists($class) ? $class : null;

        return $class;
    }
}