diff -r 000000000000 -r 7f95f8617b0b vendor/swiftmailer/lib/classes/Swift/Mime/Headers/DateHeader.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/swiftmailer/lib/classes/Swift/Mime/Headers/DateHeader.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,119 @@
+<?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();
+  }
+  
+}