<?php
namespace TYPO3\CMS\Extbase\Mvc;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

/**
 * A generic and very basic response implementation
 *
 * @api
 */
class Response implements \TYPO3\CMS\Extbase\Mvc\ResponseInterface
{
    /**
     * @var string The response content
     */
    protected $content = null;

    /**
     * Overrides and sets the content of the response
     *
     * @param string $content The response content
     * @api
     */
    public function setContent($content)
    {
        $this->content = $content;
    }

    /**
     * Appends content to the already existing content.
     *
     * @param string $content More response content
     * @api
     */
    public function appendContent($content)
    {
        $this->content .= $content;
    }

    /**
     * Returns the response content without sending it.
     *
     * @return string The response content
     * @api
     */
    public function getContent()
    {
        return $this->content;
    }

    /**
     * Fetches the content, returns and clears it.
     *
     * @return string
     * @api
     */
    public function shutdown()
    {
        $content = $this->getContent();
        $this->setContent('');
        return $content;
    }

    /**
     * Returns the content of the response.
     *
     * @return string
     * @api
     */
    public function __toString()
    {
        return $this->getContent();
    }
}
