<?php

/**

 * Zend Framework

 *

 * LICENSE

 *

 * This source file is subject to the new BSD license that is bundled

 * with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://framework.zend.com/license/new-bsd

 * If you did not receive a copy of the license and are unable to

 * obtain it through the world-wide-web, please send an email

 * to license@zend.com so we can send you a copy immediately.

 *

 * @category   Zend

 * @package    Zend_Gdata

 * @subpackage App

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @version    $Id: MediaFileSource.php 20096 2010-01-06 02:05:09Z bkarwin $

 */

/**

 * @see Zend_Gdata_App_MediaData

 */

require_once 'Zend/Gdata/App/BaseMediaSource.php';

/**

 * Concrete class to use a file handle as an attachment within a MediaEntry.

 *

 * @category   Zend

 * @package    Zend_Gdata

 * @subpackage App

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

class Zend_Gdata_App_MediaFileSource extends Zend_Gdata_App_BaseMediaSource

{

    /**

     * The filename which is represented

     *

     * @var string

     */

    protected $_filename = null;

    /**

     * The content type for the file attached (example image/png)

     *

     * @var string

     */

    protected $_contentType = null;

    /**

     * Create a new Zend_Gdata_App_MediaFileSource object.

     *

     * @param string $filename The name of the file to read from.

     */

    public function __construct($filename)

    {

        $this->setFilename($filename);

    }

    /**

     * Return the MIME multipart representation of this MediaEntry.

     *

     * @return string

     * @throws Zend_Gdata_App_IOException

     */

    public function encode()

    {

        if ($this->getFilename() !== null &&

            is_readable($this->getFilename())) {

            // Retrieves the file, using the include path

            $fileHandle = fopen($this->getFilename(), 'r', true);

            $result = fread($fileHandle, filesize($this->getFilename()));

            if ($result === false) {

                require_once 'Zend/Gdata/App/IOException.php';

                throw new Zend_Gdata_App_IOException("Error reading file - " .

                        $this->getFilename() . '. Read failed.');

            }

            fclose($fileHandle);

            return $result;

        } else {

            require_once 'Zend/Gdata/App/IOException.php';

            throw new Zend_Gdata_App_IOException("Error reading file - " .

                    $this->getFilename() . '. File is not readable.');

        }

    }

    /**

     * Get the filename associated with this reader.

     *

     * @return string

     */

    public function getFilename()

    {

        return $this->_filename;

    }

    /**

     * Set the filename which is to be read.

     *

     * @param string $value The desired file handle.

     * @return Zend_Gdata_App_MediaFileSource Provides a fluent interface.

     */

    public function setFilename($value)

    {

        $this->_filename = $value;

        return $this;

    }

    /**

     * The content type for the file attached (example image/png)

     *

     * @return string The content type

     */

    public function getContentType()

    {

        return $this->_contentType;

    }

    /**

     * Set the content type for the file attached (example image/png)

     *

     * @param string $value The content type

     * @return Zend_Gdata_App_MediaFileSource Provides a fluent interface

     */

    public function setContentType($value)

    {

        $this->_contentType = $value;

        return $this;

    }

    /**

     * Alias for getFilename().

     *

     * @return string

     */

    public function __toString()

    {

        return $this->getFilename();

    }

}