File Source for Response.class.php

<?php
/**
* Класс Response.
*
* @package energine
* @subpackage core
* @author 1m.dm
* @copyright Energine 2006
* @version $Id$
*/
//require_once('core/framework/Object.class.php');
/**
* HTTP-ответ.
*
* @package energine
* @subpackage core
* @author 1m.dm
* @final
*/
final class Response extends Object {
/**
* @access private
* @var Response единый для всей системы экземпляр класса Response
*/
private static $instance;
/**
* @access private
* @var string строка статуса ответа
*/
private $statusLine;
/**
* @access private
* @var array заголовки ответа
*/
private $headers;
/**
* @access private
* @var array cookies ответа
*/
private $cookies;
/**
* @access private
* @var string тело ответа
*/
private $body;
/**
* @access private
* @var array описание кодов ответа
*/
private $reasonPhrases = array(
100 => 'Continue',
101 => 'Switching Protocols',
200 => 'OK',
201 => 'Created',
202 => 'Accepted',
203 => 'Non-Authoritative Information',
204 => 'No Content',
205 => 'Reset Content',
206 => 'Partial Content',
300 => 'Multiple Choices',
301 => 'Moved Permanently',
302 => 'Found',
303 => 'See Other',
304 => 'Not Modified',
305 => 'Use Proxy',
307 => 'Temporary Redirect',
400 => 'Bad Request',
401 => 'Unauthorized',
402 => 'Payment Required',
403 => 'Forbidden',
404 => 'Not Found',
405 => 'Method Not Allowed',
406 => 'Not Acceptable',
407 => 'Proxy Authentication Required',
408 => 'Request Time-out',
409 => 'Conflict',
410 => 'Gone',
411 => 'Length Required',
412 => 'Precondition Failed',
413 => 'Request Entity Too Large',
414 => 'Request-URI Too Large',
415 => 'Unsupported Media Type',
416 => 'Requested range not satisfiable',
417 => 'Expectation Failed',
500 => 'Internal Server Error',
501 => 'Not Implemented',
502 => 'Bad Gateway',
503 => 'Service Unavailable',
504 => 'Gateway Time-out',
505 => 'HTTP Version not supported'
);
/**
* Конструктор класса.
*
* @access public
* @return void
*/
public function __construct() {
parent::__construct();
$this->setStatus(200);
$this->headers = array();
$this->cookies = array();
$this->body = '';
}
/**
* Возвращает единый для всей системы экземпляр класса Response.
*
* @access public
* @static
* @return Response
*/
static public function getInstance() {
if (!isset(self::$instance)) {
self::$instance = new Response;
}
return self::$instance;
}
/**
* Устанавливает статус ответа.
*
* @access public
* @param int $statusCode
* @param string $reasonPhrase
* @return void
*/
public function setStatus($statusCode, $reasonPhrase = null) {
if (!isset($reasonPhrase)) {
$reasonPhrase = (isset($this->reasonPhrases[$statusCode]) ? $this->reasonPhrases[$statusCode] : '');
}
$this->statusLine = $_SERVER['SERVER_PROTOCOL']." $statusCode $reasonPhrase";
}
/**
* Устанавливает поле заголовка ответа.
*
* @access public
* @param string $name
* @param string $value
* @param boolean $replace
* @return void
*/
public function setHeader($name, $value, $replace = true) {
if ((!$replace) && isset($this->headers[$name])) {
return;
}
$this->headers[$name] = $value;
}
/**
* Устанавливает cookie.
*
* @access public
* @param string $name
* @param string $value
* @param int $expire
* @param string $path
* @param string $domain
* @param boolean $secure
* @return void
*/
public function setCookie($name, $value = '', $expire = '', $path = '', $domain = '', $secure = false) {
$this->cookies[$name] = compact('value', 'expire', 'path', 'domain', 'secure');
}
/**
* Удаляет cookie.
*
* @access public
* @param string $name
* @param string $path
* @param string $domain
* @param boolean $secure
* @return void
*/
public function deleteCookie($name, $path = '', $domain = '', $secure = false) {
$this->setCookie($name, '', (time() - 1), $path, $domain, $secure);
}
/**
* Устанавливает адрес для переадресации.
*
* @param string $location
* @return void
* @access public
*/
public function setRedirect($location) {
$this->setHeader('Location', $location);
$this->commit();
}
/**
* Устанавливает адрес переадресации
*
* @param string $action
* @return void
* @access public
*/
public function redirectToCurrentSection($action = '') {
if ($action && substr($action, -1) !== '/') {
$action .= '/';
}
$request = Request::getInstance();
$this->setRedirect(
$request->getBasePath()
.$request->getLangSegment()
.$request->getPath(Request::PATH_TEMPLATE, true)
.$action
);
}
/**
* Добавляет данные к телу ответа.
*
* @access public
* @param string $data
* @return void
*/
public function write($data) {
$this->body .= $data;
}
/**
* Отправляет ответ клиенту и завершает работу программы.
*
* @access public
* @return void
*/
public function commit() {
if (!headers_sent($filename, $linenum)) {
header($this->statusLine);
foreach ($this->headers as $name => $value) {
header("$name: $value");
}
foreach ($this->cookies as $name => $params) {
setcookie($name, $params['value'], $params['expire'], $params['path'], $params['domain'], $params['secure']);
}
}
else {
//throw new SystemException('ERR_HEADERS_SENT', SystemException::ERR_CRITICAL, array($filename, $linenum));
}
$contents = $this->body;
if ((bool)Object::_getConfigValue('site.compress') && (strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== false)) {
header("Vary: Accept-Encoding");
header("Content-Encoding: gzip");
$contents = gzencode($contents, 6);
}
echo $contents;
session_write_close();
exit;
}
}

Source for file Response.class.php