DateHeader.php

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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.
 */

//@require 'Swift/Mime/Headers/AbstractHeader.php';


class Swift_Mime_Headers_DateHeader extends Swift_Mime_Headers_AbstractHeader
{
  
  private $_timestamp;
  
  public function __construct($name)
  {
    $this->setFieldName($name);
  }
  
  public function getFieldType()
  {
    return self::TYPE_DATE;
  }
  
  public function setFieldBodyModel($model)
  {
    $this->setTimestamp($model);
  }
  
  public function getFieldBodyModel()
  {
    return $this->getTimestamp();
  }
  
  public function getTimestamp()
  {
    return $this->_timestamp;
  }
  
  public function setTimestamp($timestamp)
  {
    if (!is_null($timestamp))
    {
      $timestamp = (int) $timestamp;
    }
    $this->clearCachedValueIf($this->_timestamp != $timestamp);
    $this->_timestamp = $timestamp;
  }
  
  public function getFieldBody()
  {
    if (!$this->getCachedValue())
    {
      if (isset($this->_timestamp))
      {
        $this->setCachedValue(date('r', $this->_timestamp));
      }
    }
    return $this->getCachedValue();
  }
  
}