Location: PHPKode > projects > GnomePHP > peec-GnomePHP-b5a360b/gnomephp/libs/swiftmailer/classes/Swift/Mime/Headers/DateHeader.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.
 */



/**
 * A Date MIME Header for Swift Mailer.
 * @package Swift
 * @subpackage Mime
 * @author Chris Corbyn
 */
class Swift_Mime_Headers_DateHeader extends Swift_Mime_Headers_AbstractHeader
{
  
  /**
   * The UNIX timestamp value of this Header.
   * @var int
   * @access private
   */
  private $_timestamp;
  
  /**
   * Creates a new DateHeader with $name and $timestamp.
   * Example:
   * <code>
   * <?php
   * $header = new Swift_Mime_Headers_DateHeader('Date', time());
   * ?>
   * </code>
   * @param string $name of Header
   * @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_DATE;
  }
  
  /**
   * Set the model for the field body.
   * This method takes a UNIX timestamp.
   * @param int $model
   */
  public function setFieldBodyModel($model)
  {
    $this->setTimestamp($model);
  }
  
  /**
   * Get the model for the field body.
   * This method returns a UNIX timestamp.
   * @return mixed
   */
  public function getFieldBodyModel()
  {
    return $this->getTimestamp();
  }
  
  /**
   * Get the UNIX timestamp of the Date in this Header.
   * @return int
   */
  public function getTimestamp()
  {
    return $this->_timestamp;
  }
  
  /**
   * Set the UNIX timestamp of the Date in this Header.
   * @param int $timestamp
   */
  public function setTimestamp($timestamp)
  {
    if (!is_null($timestamp))
    {
      $timestamp = (int) $timestamp;
    }
    $this->clearCachedValueIf($this->_timestamp != $timestamp);
    $this->_timestamp = $timestamp;
  }
  
  /**
   * 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()
   */
  public function getFieldBody()
  {
    if (!$this->getCachedValue())
    {
      if (isset($this->_timestamp))
      {
        $this->setCachedValue(date('r', $this->_timestamp));
      }
    }
    return $this->getCachedValue();
  }
  
}
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