<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Http\Header;
/**
* @throws Exception\InvalidArgumentException
* @todo Search for RFC for this header
*/
class KeepAlive implements HeaderInterface
{
public static function fromString($headerLine)
{
$header = new static();
list($name, $value) = GenericHeader::splitHeaderLine($headerLine);
// check to ensure proper header type for this factory
if (strtolower($name) !== 'keep-alive') {
throw new Exception\InvalidArgumentException('Invalid header line for Keep-Alive string: "' . $name . '"');
}
// @todo implementation details
$header->value = $value;
return $header;
}
public function getFieldName()
{
return 'Keep-Alive';
}
public function getFieldValue()
{
return $this->value;
}
public function toString()
{
return 'Keep-Alive: ' . $this->getFieldValue();
}
}