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<?php
/*
* This file is part of SwiftMailer.
* (c) 2004-2009 Chris Corbyn
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* An ID MIME Header for something like Message-ID or Content-ID.
*
* @author Chris Corbyn
*/
class Swift_Mime_Headers_IdentificationHeader extends Swift_Mime_Headers_AbstractHeader
{
/**
* The IDs used in the value of this Header.
*
* This may hold multiple IDs or just a single ID.
*
* @var string[]
*/
private $_ids = array();
/**
* Creates a new IdentificationHeader with the given $name and $id.
*
* @param string $name
* @param Swift_Mime_Grammar $grammar
*/
public function __construct($name, Swift_Mime_Grammar $grammar)
{
$this->setFieldName($name);
parent::__construct($grammar);
}
/**
* Get the type of Header that this instance represents.
*
* @see TYPE_TEXT, TYPE_PARAMETERIZED, TYPE_MAILBOX
* @see TYPE_DATE, TYPE_ID, TYPE_PATH
*
* @return int
*/
public function getFieldType()
{
return self::TYPE_ID;
}
/**
* Set the model for the field body.
*
* This method takes a string ID, or an array of IDs.
*
* @param mixed $model
*
* @throws Swift_RfcComplianceException
*/
public function setFieldBodyModel($model)
{
$this->setId($model);
}
/**
* Get the model for the field body.
*
* This method returns an array of IDs
*
* @return array
*/
public function getFieldBodyModel()
{
return $this->getIds();
}
/**
* Set the ID used in the value of this header.
*
* @param string|array $id
*
* @throws Swift_RfcComplianceException
*/
public function setId($id)
{
$this->setIds(is_array($id) ? $id : array($id));
}
/**
* Get the ID used in the value of this Header.
*
* If multiple IDs are set only the first is returned.
*
* @return string
*/
public function getId()
{
if (count($this->_ids) > 0) {
return $this->_ids[0];
}
}
/**
* Set a collection of IDs to use in the value of this Header.
*
* @param string[] $ids
*
* @throws Swift_RfcComplianceException
*/
public function setIds(array $ids)
{
$actualIds = array();
foreach ($ids as $id) {
$this->_assertValidId($id);
$actualIds[] = $id;
}
$this->clearCachedValueIf($this->_ids != $actualIds);
$this->_ids = $actualIds;
}
/**
* Get the list of IDs used in this Header.
*
* @return string[]
*/
public function getIds()
{
return $this->_ids;
}
/**
* Get the string value of the body in this Header.
*
* This is not necessarily RFC 2822 compliant since folding white space will
* not be added at this stage (see {@see toString()} for that).
*
* @see toString()
*
* @throws Swift_RfcComplianceException
*
* @return string
*/
public function getFieldBody()
{
if (!$this->getCachedValue()) {
$angleAddrs = array();
foreach ($this->_ids as $id) {
$angleAddrs[] = '<'.$id.'>';
}
$this->setCachedValue(implode(' ', $angleAddrs));
}
return $this->getCachedValue();
}
/**
* Throws an Exception if the id passed does not comply with RFC 2822.
*
* @param string $id
*
* @throws Swift_RfcComplianceException
*/
private function _assertValidId($id)
{
if (!preg_match(
'/^'.$this->getGrammar()->getDefinition('id-left').'@'.
$this->getGrammar()->getDefinition('id-right').'$/D',
$id
)) {
throw new Swift_RfcComplianceException(
'Invalid ID given <'.$id.'>'
);
}
}
}