<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Class for building an Atom feed in memory
+ *
+ * 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 Zach Copley <zach@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://status.net/
+ */
+
+if (!defined('STATUSNET'))
+{
+ exit(1);
+}
class Atom10FeedException extends Exception
{
}
+/**
+ * Class for building an Atom feed in memory. Get the finished doc
+ * as a string with Atom10Feed::getString().
+ *
+ * @category Feed
+ * @package StatusNet
+ * @author Zach Copley <zach@status.net>
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://status.net/
+ */
class Atom10Feed extends XMLStringer
{
public $xw;
+
+ // @fixme most of these should probably be read-only properties
private $namespaces;
private $authors;
+ private $subject;
private $categories;
private $contributors;
private $generator;
private $icon;
private $links;
- private $logo;
+ private $selfLink;
+ private $selfLinkType;
+ public $logo;
private $rights;
- private $subtitle;
- private $title;
+ public $subtitle;
+ public $title;
private $published;
private $updated;
private $entries;
/**
- * undocumented function
+ * Constructor
*
- * @param array $entries an array of FeedItems
+ * @param boolean $indent flag to turn indenting on or off
*
* @return void
- *
*/
function __construct($indent = true) {
parent::__construct($indent);
$this->namespaces = array();
+ $this->authors = array();
$this->links = array();
$this->entries = array();
- $this->addNamespace('xmlns', 'http://www.w3.org/2005/Atom');
+ $this->addNamespace('', 'http://www.w3.org/2005/Atom');
}
+ /**
+ * Add another namespace to the feed
+ *
+ * @param string $namespace the namespace
+ * @param string $uri namspace uri
+ *
+ * @return void
+ */
function addNamespace($namespace, $uri)
{
$ns = array($namespace => $uri);
$this->namespaces = array_merge($this->namespaces, $ns);
}
+ function addAuthor($name, $uri = null, $email = null)
+ {
+ $xs = new XMLStringer(true);
+
+ $xs->elementStart('author');
+
+ if (!empty($name)) {
+ $xs->element('name', null, $name);
+ } else {
+ throw new Atom10FeedException(
+ 'author element must contain a name element.'
+ );
+ }
+
+ if (isset($uri)) {
+ $xs->element('uri', null, $uri);
+ }
+
+ if (isset($email)) {
+ $xs->element('email', null, $email);
+ }
+
+ $xs->elementEnd('author');
+
+ array_push($this->authors, $xs->getString());
+ }
+
+ /**
+ * Add an Author to the feed via raw XML string
+ *
+ * @param string $xmlAuthor An XML string representation author
+ *
+ * @return void
+ */
+ function addAuthorRaw($xmlAuthor)
+ {
+ array_push($this->authors, $xmlAuthor);
+ }
+
+ function renderAuthors()
+ {
+ foreach ($this->authors as $author) {
+ $this->raw($author);
+ }
+ }
+
+ /**
+ * Add a activity feed subject via raw XML string
+ *
+ * @param string $xmlSubject An XML string representation of the subject
+ *
+ * @return void
+ */
+ function setActivitySubject($xmlSubject)
+ {
+ $this->subject = $xmlSubject;
+ }
+
function getNamespaces()
{
return $this->namespaces;
{
$this->xw->startDocument('1.0', 'UTF-8');
$commonAttrs = array('xml:lang' => 'en-US');
- $commonAttrs = array_merge($commonAttrs, $this->namespaces);
+ foreach ($this->namespaces as $prefix => $uri) {
+ if ($prefix == '') {
+ $attr = 'xmlns';
+ } else {
+ $attr = 'xmlns:' . $prefix;
+ }
+ $commonAttrs[$attr] = $uri;
+ }
$this->elementStart('feed', $commonAttrs);
+ $this->element(
+ 'generator', array(
+ 'uri' => 'http://status.net',
+ 'version' => STATUSNET_VERSION
+ ),
+ 'StatusNet'
+ );
+
$this->element('id', null, $this->id);
$this->element('title', null, $this->title);
$this->element('subtitle', null, $this->subtitle);
- $this->element('logo', null, $this->logo);
+
+ if (!empty($this->logo)) {
+ $this->element('logo', null, $this->logo);
+ }
+
$this->element('updated', null, $this->updated);
+ $this->renderAuthors();
+
+ if ($this->selfLink) {
+ $this->addLink($this->selfLink, array('rel' => 'self',
+ 'type' => $this->selfLinkType));
+ }
$this->renderLinks();
}
}
}
- function addEntryRaw($entry)
+ function addEntryRaw($xmlEntry)
{
- array_push($this->entries, $entry);
+ array_push($this->entries, $xmlEntry);
}
function addEntry($entry)
function getString()
{
- $this->validate();
+ if (Event::handle('StartApiAtom', array($this))) {
+
+ $this->validate();
+ $this->initFeed();
- $this->initFeed();
- $this->renderEntries();
- $this->endFeed();
+ if (!empty($this->subject)) {
+ $this->raw($this->subject);
+ }
+
+ $this->renderEntries();
+ $this->endFeed();
+
+ Event::handle('EndApiAtom', array($this));
+ }
return $this->xw->outputMemory();
}
$this->id = $id;
}
+ function setSelfLink($url, $type='application/atom+xml')
+ {
+ $this->selfLink = $url;
+ $this->selfLinkType = $type;
+ }
+
function setTitle($title)
{
$this->title = $title;
}
}
-
-
-