Файл: library/Zend/Feed/Pubsubhubbub/HttpResponse.php
Строк: 245
<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Feed_Pubsubhubbub
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: HttpResponse.php 20785 2010-01-31 09:43:03Z mikaelkael $
*/
/**
* @see Zend_Feed_Pubsubhubbub
*/
require_once 'Zend/Feed/Pubsubhubbub.php';
/**
* @category Zend
* @package Zend_Feed_Pubsubhubbub
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Feed_Pubsubhubbub_HttpResponse
{
/**
* The body of any response to the current callback request
*
* @var string
*/
protected $_body = '';
/**
* Array of headers. Each header is an array with keys 'name' and 'value'
*
* @var array
*/
protected $_headers = array();
/**
* HTTP response code to use in headers
*
* @var int
*/
protected $_httpResponseCode = 200;
/**
* Send the response, including all headers
*
* @return void
*/
public function sendResponse()
{
$this->sendHeaders();
echo $this->getBody();
}
/**
* Send all headers
*
* Sends any headers specified. If an {@link setHttpResponseCode() HTTP response code}
* has been specified, it is sent with the first header.
*
* @return void
*/
public function sendHeaders()
{
if (count($this->_headers) || (200 != $this->_httpResponseCode)) {
$this->canSendHeaders(true);
} elseif (200 == $this->_httpResponseCode) {
return;
}
$httpCodeSent = false;
foreach ($this->_headers as $header) {
if (!$httpCodeSent && $this->_httpResponseCode) {
header($header['name'] . ': ' . $header['value'], $header['replace'], $this->_httpResponseCode);
$httpCodeSent = true;
} else {
header($header['name'] . ': ' . $header['value'], $header['replace']);
}
}
if (!$httpCodeSent) {
header('HTTP/1.1 ' . $this->_httpResponseCode);
$httpCodeSent = true;
}
}
/**
* Set a header
*
* If $replace is true, replaces any headers already defined with that
* $name.
*
* @param string $name
* @param string $value
* @param boolean $replace
* @return Zend_Feed_Pubsubhubbub_HttpResponse
*/
public function setHeader($name, $value, $replace = false)
{
$name = $this->_normalizeHeader($name);
$value = (string) $value;
if ($replace) {
foreach ($this->_headers as $key => $header) {
if ($name == $header['name']) {
unset($this->_headers[$key]);
}
}
}
$this->_headers[] = array(
'name' => $name,
'value' => $value,
'replace' => $replace,
);
return $this;
}
/**
* Check if a specific Header is set and return its value
*
* @param string $name
* @return string|null
*/
public function getHeader($name)
{
$name = $this->_normalizeHeader($name);
foreach ($this->_headers as $header) {
if ($header['name'] == $name) {
return $header['value'];
}
}
}
/**
* Return array of headers; see {@link $_headers} for format
*
* @return array
*/
public function getHeaders()
{
return $this->_headers;
}
/**
* Can we send headers?
*
* @param boolean $throw Whether or not to throw an exception if headers have been sent; defaults to false
* @return boolean
* @throws Zend_Feed_Pubsubhubbub_Exception
*/
public function canSendHeaders($throw = false)
{
$ok = headers_sent($file, $line);
if ($ok && $throw) {
require_once 'Zend/Feed/Pubsubhubbub/Exception.php';
throw new Zend_Feed_Pubsubhubbub_Exception('Cannot send headers; headers already sent in ' . $file . ', line ' . $line);
}
return !$ok;
}
/**
* Set HTTP response code to use with headers
*
* @param int $code
* @return Zend_Feed_Pubsubhubbub_HttpResponse
*/
public function setHttpResponseCode($code)
{
if (!is_int($code) || (100 > $code) || (599 < $code)) {
require_once 'Zend/Feed/Pubsubhubbub/Exception.php';
throw new Zend_Feed_Pubsubhubbub_Exception('Invalid HTTP response'
. ' code:' . $code);
}
$this->_httpResponseCode = $code;
return $this;
}
/**
* Retrieve HTTP response code
*
* @return int
*/
public function getHttpResponseCode()
{
return $this->_httpResponseCode;
}
/**
* Set body content
*
* @param string $content
* @return Zend_Feed_Pubsubhubbub_HttpResponse
*/
public function setBody($content)
{
$this->_body = (string) $content;
$this->setHeader('content-length', strlen($content));
return $this;
}
/**
* Return the body content
*
* @return string
*/
public function getBody()
{
return $this->_body;
}
/**
* Normalizes a header name to X-Capitalized-Names
*
* @param string $name
* @return string
*/
protected function _normalizeHeader($name)
{
$filtered = str_replace(array('-', '_'), ' ', (string) $name);
$filtered = ucwords(strtolower($filtered));
$filtered = str_replace(' ', '-', $filtered);
return $filtered;
}
}