Файл: library/Zend/Feed/Reader/Feed/Atom.php
Строк: 350
<?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_Feed_Reader
* @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: Atom.php 22662 2010-07-24 17:37:36Z mabe $
*/
/**
* @see Zend_Feed_Reader_FeedAbstract
*/
require_once 'Zend/Feed/Reader/FeedAbstract.php';
/**
* @see Zend_Feed_Reader_Extension_Atom_Feed
*/
require_once 'Zend/Feed/Reader/Extension/Atom/Feed.php';
/**
* @category Zend
* @package Zend_Feed_Reader
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Feed_Reader_Feed_Atom extends Zend_Feed_Reader_FeedAbstract
{
/**
* Constructor
*
* @param DOMDocument $dom
* @param string $type
*/
public function __construct(DOMDocument $dom, $type = null)
{
parent::__construct($dom, $type);
$atomClass = Zend_Feed_Reader::getPluginLoader()->getClassName('Atom_Feed');
$this->_extensions['Atom_Feed'] = new $atomClass($dom, $this->_data['type'], $this->_xpath);
$atomClass = Zend_Feed_Reader::getPluginLoader()->getClassName('DublinCore_Feed');
$this->_extensions['DublinCore_Feed'] = new $atomClass($dom, $this->_data['type'], $this->_xpath);
foreach ($this->_extensions as $extension) {
$extension->setXpathPrefix('/atom:feed');
}
}
/**
* Get a single author
*
* @param int $index
* @return string|null
*/
public function getAuthor($index = 0)
{
$authors = $this->getAuthors();
if (isset($authors[$index])) {
return $authors[$index];
}
return null;
}
/**
* Get an array with feed authors
*
* @return array
*/
public function getAuthors()
{
if (array_key_exists('authors', $this->_data)) {
return $this->_data['authors'];
}
$authors = $this->getExtension('Atom')->getAuthors();
$this->_data['authors'] = $authors;
return $this->_data['authors'];
}
/**
* Get the copyright entry
*
* @return string|null
*/
public function getCopyright()
{
if (array_key_exists('copyright', $this->_data)) {
return $this->_data['copyright'];
}
$copyright = $this->getExtension('Atom')->getCopyright();
if (!$copyright) {
$copyright = null;
}
$this->_data['copyright'] = $copyright;
return $this->_data['copyright'];
}
/**
* Get the feed creation date
*
* @return string|null
*/
public function getDateCreated()
{
if (array_key_exists('datecreated', $this->_data)) {
return $this->_data['datecreated'];
}
$dateCreated = $this->getExtension('Atom')->getDateCreated();
if (!$dateCreated) {
$dateCreated = null;
}
$this->_data['datecreated'] = $dateCreated;
return $this->_data['datecreated'];
}
/**
* Get the feed modification date
*
* @return string|null
*/
public function getDateModified()
{
if (array_key_exists('datemodified', $this->_data)) {
return $this->_data['datemodified'];
}
$dateModified = $this->getExtension('Atom')->getDateModified();
if (!$dateModified) {
$dateModified = null;
}
$this->_data['datemodified'] = $dateModified;
return $this->_data['datemodified'];
}
/**
* Get the feed lastBuild date. This is not implemented in Atom.
*
* @return string|null
*/
public function getLastBuildDate()
{
return null;
}
/**
* Get the feed description
*
* @return string|null
*/
public function getDescription()
{
if (array_key_exists('description', $this->_data)) {
return $this->_data['description'];
}
$description = $this->getExtension('Atom')->getDescription();
if (!$description) {
$description = null;
}
$this->_data['description'] = $description;
return $this->_data['description'];
}
/**
* Get the feed generator entry
*
* @return string|null
*/
public function getGenerator()
{
if (array_key_exists('generator', $this->_data)) {
return $this->_data['generator'];
}
$generator = $this->getExtension('Atom')->getGenerator();
$this->_data['generator'] = $generator;
return $this->_data['generator'];
}
/**
* Get the feed ID
*
* @return string|null
*/
public function getId()
{
if (array_key_exists('id', $this->_data)) {
return $this->_data['id'];
}
$id = $this->getExtension('Atom')->getId();
$this->_data['id'] = $id;
return $this->_data['id'];
}
/**
* Get the feed language
*
* @return string|null
*/
public function getLanguage()
{
if (array_key_exists('language', $this->_data)) {
return $this->_data['language'];
}
$language = $this->getExtension('Atom')->getLanguage();
if (!$language) {
$language = $this->_xpath->evaluate('string(//@xml:lang[1])');
}
if (!$language) {
$language = null;
}
$this->_data['language'] = $language;
return $this->_data['language'];
}
/**
* Get a link to the source website
*
* @return string|null
*/
public function getBaseUrl()
{
if (array_key_exists('baseUrl', $this->_data)) {
return $this->_data['baseUrl'];
}
$baseUrl = $this->getExtension('Atom')->getBaseUrl();
$this->_data['baseUrl'] = $baseUrl;
return $this->_data['baseUrl'];
}
/**
* Get a link to the source website
*
* @return string|null
*/
public function getLink()
{
if (array_key_exists('link', $this->_data)) {
return $this->_data['link'];
}
$link = $this->getExtension('Atom')->getLink();
$this->_data['link'] = $link;
return $this->_data['link'];
}
/**
* Get feed image data
*
* @return array|null
*/
public function getImage()
{
if (array_key_exists('image', $this->_data)) {
return $this->_data['image'];
}
$link = $this->getExtension('Atom')->getImage();
$this->_data['image'] = $link;
return $this->_data['image'];
}
/**
* Get a link to the feed's XML Url
*
* @return string|null
*/
public function getFeedLink()
{
if (array_key_exists('feedlink', $this->_data)) {
return $this->_data['feedlink'];
}
$link = $this->getExtension('Atom')->getFeedLink();
if ($link === null || empty($link)) {
$link = $this->getOriginalSourceUri();
}
$this->_data['feedlink'] = $link;
return $this->_data['feedlink'];
}
/**
* Get the feed title
*
* @return string|null
*/
public function getTitle()
{
if (array_key_exists('title', $this->_data)) {
return $this->_data['title'];
}
$title = $this->getExtension('Atom')->getTitle();
$this->_data['title'] = $title;
return $this->_data['title'];
}
/**
* Get an array of any supported Pusubhubbub endpoints
*
* @return array|null
*/
public function getHubs()
{
if (array_key_exists('hubs', $this->_data)) {
return $this->_data['hubs'];
}
$hubs = $this->getExtension('Atom')->getHubs();
$this->_data['hubs'] = $hubs;
return $this->_data['hubs'];
}
/**
* Get all categories
*
* @return Zend_Feed_Reader_Collection_Category
*/
public function getCategories()
{
if (array_key_exists('categories', $this->_data)) {
return $this->_data['categories'];
}
$categoryCollection = $this->getExtension('Atom')->getCategories();
if (count($categoryCollection) == 0) {
$categoryCollection = $this->getExtension('DublinCore')->getCategories();
}
$this->_data['categories'] = $categoryCollection;
return $this->_data['categories'];
}
/**
* Read all entries to the internal entries array
*
* @return void
*/
protected function _indexEntries()
{
if ($this->getType() == Zend_Feed_Reader::TYPE_ATOM_10 ||
$this->getType() == Zend_Feed_Reader::TYPE_ATOM_03) {
$entries = array();
$entries = $this->_xpath->evaluate('//atom:entry');
foreach($entries as $index=>$entry) {
$this->_entries[$index] = $entry;
}
}
}
/**
* Register the default namespaces for the current feed format
*
*/
protected function _registerNamespaces()
{
switch ($this->_data['type']) {
case Zend_Feed_Reader::TYPE_ATOM_03:
$this->_xpath->registerNamespace('atom', Zend_Feed_Reader::NAMESPACE_ATOM_03);
break;
case Zend_Feed_Reader::TYPE_ATOM_10:
default:
$this->_xpath->registerNamespace('atom', Zend_Feed_Reader::NAMESPACE_ATOM_10);
}
}
}