<?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.
 */


/**
 * Attachment class for attaching files to a {@link Swift_Mime_Message}.
 * @package Swift
 * @subpackage Mime
 * @author Chris Corbyn
 */
class Swift_Attachment extends Swift_Mime_Attachment
{
  
  /**
   * Create a new Attachment.
   * Details may be optionally provided to the constructor.
   * @param string|Swift_OutputByteStream $data
   * @param string $filename
   * @param string $contentType
   */
  public function __construct($data = null, $filename = null,
    $contentType = null)
  {
    call_user_func_array(
      array($this, 'Swift_Mime_Attachment::__construct'),
      Swift_DependencyContainer::getInstance()
        ->createDependenciesFor('mime.attachment')
      );
    
    $this->setBody($data);
    $this->setFilename($filename);
    if ($contentType)
    {
      $this->setContentType($contentType);
    }
  }
  
  /**
   * Create a new Attachment.
   * @param string|Swift_OutputByteStream $data
   * @param string $filename
   * @param string $contentType
   * @return Swift_Mime_Attachment
   */
  public static function newInstance($data = null, $filename = null,
    $contentType = null)
  {
    return new self($data, $filename, $contentType);
  }
  
  /**
   * Create a new Attachment from a filesystem path.
   * @param string $path
   * @param string $contentType optional
   * @return Swift_Mime_Attachment
   */
  public static function fromPath($path, $contentType = null)
  {
    return self::newInstance()->setFile(
      new Swift_ByteStream_FileByteStream($path),
      $contentType
      );
  }
  
}
