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typo3conf/ext/metaseo/Classes/DependencyInjection/Utility/HttpUtility.php

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+<?php
+
+/*
+ *  Copyright notice
+ *
+ *  (c) 2015 Markus Blaschke <typo3@markus-blaschke.de> (metaseo)
+ *  (c) 2013 Markus Blaschke (TEQneers GmbH & Co. KG) <blaschke@teqneers.de> (tq_seo)
+ *  All rights reserved
+ *
+ *  This script is part of the TYPO3 project. The TYPO3 project is
+ *  free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  The GNU General Public License can be found at
+ *  http://www.gnu.org/copyleft/gpl.html.
+ *
+ *  This script is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  This copyright notice MUST APPEAR in all copies of the script!
+ */
+
+namespace Metaseo\Metaseo\DependencyInjection\Utility;
+
+use Exception;
+use TYPO3\CMS\Core\SingletonInterface;
+
+class HttpUtility implements SingletonInterface
+{
+    /**
+     * Http Status Codes for Ajax
+     *
+     * @link https://dev.twitter.com/overview/api/response-codes
+     */
+    const HTTP_STATUS_OK                    = 200;
+    const HTTP_STATUS_BAD_REQUEST           = 400;
+    const HTTP_STATUS_UNAUTHORIZED          = 401;
+    const HTTP_STATUS_FORBIDDEN             = 403;
+    const HTTP_STATUS_NOT_FOUND             = 404;
+    const HTTP_STATUS_NOT_ACCEPTABLE        = 406;
+    const HTTP_STATUS_INTERNAL_SERVER_ERROR = 500;
+    const HTTP_STATUS_SERVICE_UNAVAILABLE   = 503;
+
+    /**
+     * @param $httpStatusCode
+     *
+     * @return string
+     *
+     * @throws Exception
+     */
+    public function getHttpStatusMessage($httpStatusCode)
+    {
+        switch ($httpStatusCode) {
+            case self::HTTP_STATUS_OK:
+                return 'OK';
+            case self::HTTP_STATUS_BAD_REQUEST:
+                return 'Bad Request';
+            case self::HTTP_STATUS_UNAUTHORIZED:
+                return 'Unauthorized';
+            case self::HTTP_STATUS_FORBIDDEN:
+                return 'Forbidden';
+            case self::HTTP_STATUS_NOT_FOUND:
+                return 'Not Found';
+            case self::HTTP_STATUS_NOT_ACCEPTABLE:
+                return 'Not Acceptable';
+            case self::HTTP_STATUS_INTERNAL_SERVER_ERROR:
+                return 'Internal Server Error';
+            case self::HTTP_STATUS_SERVICE_UNAVAILABLE:
+                return 'Service Unavailable';
+            default:
+                throw new Exception('Http status message is not available.');
+        }
+    }
+
+    /**
+     * @param $httpStatusCode
+     */
+    public function sendHttpHeader($httpStatusCode)
+    {
+        if (!headers_sent()) {
+            header('HTTP/1.0 ' . $httpStatusCode . ' ' . $this->getHttpStatusMessage($httpStatusCode));
+        }
+    }
+}