<?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\Mail\Header;
use Zend\Mail\Headers;
/**
* @todo Allow setting date from DateTime, Zend\Date, or string
*/
class Received implements HeaderInterface, MultipleHeadersInterface
{
/**
* @var string
*/
protected $value;
public static function fromString($headerLine)
{
list($name, $value) = GenericHeader::splitHeaderLine($headerLine);
// check to ensure proper header type for this factory
if (strtolower($name) !== 'received') {
throw new Exception\InvalidArgumentException('Invalid header line for Received string');
}
$header = new static($value);
return $header;
}
public function __construct($value = '')
{
$this->value = $value;
}
public function getFieldName()
{
return 'Received';
}
public function getFieldValue($format = HeaderInterface::FORMAT_RAW)
{
return $this->value;
}
public function setEncoding($encoding)
{
// This header must be always in US-ASCII
return $this;
}
public function getEncoding()
{
return 'ASCII';
}
public function toString()
{
return 'Received: ' . $this->getFieldValue();
}
/**
* Serialize collection of Received headers to string
*
* @param array $headers
* @throws Exception\RuntimeException
* @return string
*/
public function toStringMultipleHeaders(array $headers)
{
$strings = array($this->toString());
foreach ($headers as $header) {
if (!$header instanceof Received) {
throw new Exception\RuntimeException(
'The Received multiple header implementation can only accept an array of Received headers'
);
}
$strings[] = $header->toString();
}
return implode(Headers::EOL, $strings);
}
}