gnu-social/lib/feeds/feed.php

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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Data structure for info about syndication feeds (RSS 1.0, RSS 2.0, Atom)
*
* PHP version 5
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Feed
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2009 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
*/
if (!defined('STATUSNET') && !defined('LACONICA')) {
exit(1);
}
/**
* Data structure for feeds
*
* This structure is a helpful container for shipping around information about syndication feeds.
*
* @category Feed
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @author Sarven Capadisli <csarven@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
*/
class Feed
{
const RSS1 = 1;
const RSS2 = 2;
const ATOM = 3;
const FOAF = 4;
const JSON = 5; // Activity Streams
var $type = null;
var $url = null;
var $title = null;
function __construct($type, $url, $title)
{
$this->type = $type;
$this->url = $url;
$this->title = $title;
}
function getUrl()
{
return $this->url;
}
function mimeType()
{
switch ($this->type) {
case Feed::RSS1:
return 'application/rdf+xml';
case Feed::RSS2:
return 'application/rss+xml';
case Feed::ATOM:
return 'application/atom+xml';
case Feed::FOAF:
return 'application/rdf+xml';
case Feed::JSON:
return 'application/stream+json';
default:
return null;
}
}
function typeName()
{
switch ($this->type) {
case Feed::RSS1:
// TRANS: Feed type name.
return _('RSS 1.0');
case Feed::RSS2:
// TRANS: Feed type name.
return _('RSS 2.0');
case Feed::ATOM:
// TRANS: Feed type name.
return _('Atom');
case Feed::FOAF:
// TRANS: Feed type name. FOAF stands for Friend of a Friend.
return _('FOAF');
case Feed::JSON:
// TRANS: Feed type name. See http://activitystrea.ms/
return _('Activity Streams');
default:
return null;
}
}
function rel()
{
switch ($this->type) {
case Feed::RSS1:
case Feed::RSS2:
case Feed::ATOM:
case Feed::JSON:
return 'alternate';
case Feed::FOAF:
return 'meta';
default:
return null;
}
}
}