<?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: BaseMediaSource.php 20096 2010-01-06 02:05:09Z bkarwin $

 */

/**

 * @see Zend_Gdata_App_MediaSource

 */

require_once 'Zend/Gdata/App/MediaSource.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

 */

abstract class Zend_Gdata_App_BaseMediaSource implements Zend_Gdata_App_MediaSource

{

    /**

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

     *

     * @var string

     */

    protected $_contentType = null;

    /**

     * The slug header value representing the attached file title, or null if

     * no slug should be used.  The slug header is only necessary in some cases,

     * usually when a multipart upload is not being performed.

     *

     * @var string

     */

    protected $_slug = null;

    /**

     * The content type for the attached file (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;

    }

    /**

     * Returns the Slug header value.  Used by some services to determine the

     * title for the uploaded file.  Returns null if no slug should be used.

     *

     * @return string

     */

    public function getSlug(){

        return $this->_slug;

    }

    /**

     * Sets the Slug header value.  Used by some services to determine the

     * title for the uploaded file.  A null value indicates no slug header.

     *

     * @var string The slug value

     * @return Zend_Gdata_App_MediaSource Provides a fluent interface

     */

    public function setSlug($value){

        $this->_slug = $value;

        return $this;

    }

    /**

     * Magic getter to allow acces like $source->foo to call $source->getFoo()

     * Alternatively, if no getFoo() is defined, but a $_foo protected variable

     * is defined, this is returned.

     *

     * TODO Remove ability to bypass getFoo() methods??

     *

     * @param string $name The variable name sought

     */

    public function __get($name)

    {

        $method = 'get'.ucfirst($name);

        if (method_exists($this, $method)) {

            return call_user_func(array(&$this, $method));

        } else if (property_exists($this, "_${name}")) {

            return $this->{'_' . $name};

        } else {

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

            throw new Zend_Gdata_App_InvalidArgumentException(

                    'Property ' . $name . ' does not exist');

        }

    }

    /**

     * Magic setter to allow acces like $source->foo='bar' to call

     * $source->setFoo('bar') automatically.

     *

     * Alternatively, if no setFoo() is defined, but a $_foo protected variable

     * is defined, this is returned.

     *

     * @param string $name

     * @param string $value

     */

    public function __set($name, $val)

    {

        $method = 'set'.ucfirst($name);

        if (method_exists($this, $method)) {

            return call_user_func(array(&$this, $method), $val);

        } else if (isset($this->{'_' . $name}) || ($this->{'_' . $name} === null)) {

            $this->{'_' . $name} = $val;

        } else {

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

            throw new Zend_Gdata_App_InvalidArgumentException(

                    'Property ' . $name . '  does not exist');

        }

    }

    /**

     * Magic __isset method

     *

     * @param string $name

     */

    public function __isset($name)

    {

        $rc = new ReflectionClass(get_class($this));

        $privName = '_' . $name;

        if (!($rc->hasProperty($privName))) {

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

            throw new Zend_Gdata_App_InvalidArgumentException(

                    'Property ' . $name . ' does not exist');

        } else {

            if (isset($this->{$privName})) {

                if (is_array($this->{$privName})) {

                    if (count($this->{$privName}) > 0) {

                        return true;

                    } else {

                        return false;

                    }

                } else {

                    return true;

                }

            } else {

                return false;

            }

        }

    }

}