Location: PHPKode > projects > GnomePHP > peec-GnomePHP-b5a360b/gnomephp/libs/swiftmailer/classes/Swift/Mime/Headers/IdentificationHeader.php
<?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.
 * @package Swift
 * @subpackage Mime
 * @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[]
   * @access private
   */
  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.
   * @return int
   * @see TYPE_TEXT, TYPE_PARAMETERIZED, TYPE_MAILBOX
   * @see TYPE_DATE, TYPE_ID, TYPE_PATH
   */
  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 $id
   * @throws Swift_RfcComplianceException
   */
  public function setId($id)
  {
    $this->setIds(array($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 $k => $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 {@link toString()} for that).
   * @return string
   * @see toString()
   * @throws Swift_RfcComplianceException
   */
  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 . '>'
        );
    }
  }
}
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