<?php

    /**
     * NRE
     *
     * @author      coderkun <olli@coderkun.de>
     * @copyright   2013 coderkun (http://www.coderkun.de)
     * @license     http://www.gnu.org/licenses/gpl.html
     * @link        http://www.coderkun.de/projects/nre
     */

    namespace nre\core;


    /**
     * Class that holds several web-specific methods and properties.
     * 
     * @author  coderkun <olli@coderkun.de>
     */
    class WebUtils
    {
        /**
         * HTTP-statuscode 403: Forbidden
         * 
         * @var int
         */
        const HTTP_FORBIDDEN = 403;
        /**
         * HTTP-statuscode 404: Not Found
         * 
         * @var int
         */
        const HTTP_NOT_FOUND = 404;
        /**
         * HTTP-statuscode 503: Service Unavailable
         * 
         * @var int
         */
        const HTTP_SERVICE_UNAVAILABLE = 503;

        /**
         * HTTP-header strings
         * 
         * @var array
         */
        public static $httpStrings = array(
            200    =>    'OK',
            304    =>    'Not Modified',
            403    =>    'Forbidden',
            404    =>    'Not Found',
            503    =>    'Service Unavailable'
        );


        /**
         * Get the HTTP-header of a HTTP-statuscode
         * 
         * @param   int     $httpStatusCode HTTP-statuscode
         * @return  string                  HTTP-header of HTTP-statuscode
         */
        public static function getHttpHeader($httpStatusCode)
        {
            if(!array_key_exists($httpStatusCode, self::$httpStrings)) {
                $httpStatusCode = 200;
            }


            return sprintf("HTTP/1.1 %d %s\n", $httpStatusCode, self::$httpStrings[$httpStatusCode]);
        }

    }

?>