<?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(); } ?>