140 lines
4.1 KiB
PHP
140 lines
4.1 KiB
PHP
<?php
|
|
|
|
/**
|
|
* Base class for oEmbed objects
|
|
*
|
|
* PHP version 5.1.0+
|
|
*
|
|
* Copyright (c) 2008, Digg.com, Inc.
|
|
*
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* - Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
* - Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
* - Neither the name of Digg.com, Inc. nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* @category Services
|
|
* @package Services_oEmbed
|
|
* @author Joe Stump <joe@joestump.net>
|
|
* @copyright 2008 Digg.com, Inc.
|
|
* @license http://tinyurl.com/42zef New BSD License
|
|
* @version SVN: @version@
|
|
* @link http://code.google.com/p/digg
|
|
* @link http://oembed.com
|
|
*/
|
|
|
|
/**
|
|
* Base class for oEmbed objects
|
|
*
|
|
* @category Services
|
|
* @package Services_oEmbed
|
|
* @author Joe Stump <joe@joestump.net>
|
|
* @copyright 2008 Digg.com, Inc.
|
|
* @license http://tinyurl.com/42zef New BSD License
|
|
* @version Release: @version@
|
|
* @link http://code.google.com/p/digg
|
|
* @link http://oembed.com
|
|
*/
|
|
abstract class Services_oEmbed_Object_Common
|
|
{
|
|
/**
|
|
* Raw object returned from API
|
|
*
|
|
* @var object $object The raw object from the API
|
|
*/
|
|
protected $object = null;
|
|
|
|
/**
|
|
* Required fields per the specification
|
|
*
|
|
* @var array $required Array of required fields
|
|
* @link http://oembed.com
|
|
*/
|
|
protected $required = array();
|
|
|
|
/**
|
|
* Constructor
|
|
*
|
|
* @param object $object Raw object returned from the API
|
|
*
|
|
* @throws {@link Services_oEmbed_Object_Exception} on missing fields
|
|
* @return void
|
|
*/
|
|
public function __construct($object)
|
|
{
|
|
$this->object = $object;
|
|
|
|
$this->required[] = 'version';
|
|
foreach ($this->required as $field) {
|
|
if (!isset($this->$field)) {
|
|
throw new Services_oEmbed_Object_Exception(
|
|
'Object is missing required ' . $field . ' attribute'
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get object variable
|
|
*
|
|
* @param string $var Variable to get
|
|
*
|
|
* @see Services_oEmbed_Object_Common::$object
|
|
* @return mixed Attribute's value or null if it's not set/exists
|
|
*/
|
|
public function __get($var)
|
|
{
|
|
if (property_exists($this->object, $var)) {
|
|
return $this->object->$var;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Is variable set?
|
|
*
|
|
* @param string $var Variable name to check
|
|
*
|
|
* @return boolean True if set, false if not
|
|
* @see Services_oEmbed_Object_Common::$object
|
|
*/
|
|
public function __isset($var)
|
|
{
|
|
if (property_exists($this->object, $var)) {
|
|
return (isset($this->object->$var));
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Require a sane __toString for all objects
|
|
*
|
|
* @return string
|
|
*/
|
|
abstract public function __toString();
|
|
}
|
|
|
|
?>
|