Feed.php in Zircon Profile 8

Namespace

Zend\Feed\Writer\Extension\Atom\Renderer

File

vendor/zendframework/zend-feed/src/Writer/Extension/Atom/Renderer/Feed.php

<?php

/**
 * Zend Framework (http://framework.zend.com/)
 *
 * @link      http://github.com/zendframework/zf2 for the canonical source repository
 * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   http://framework.zend.com/license/new-bsd New BSD License
 */
namespace Zend\Feed\Writer\Extension\Atom\Renderer;

use DOMDocument;
use DOMElement;
use Zend\Feed\Writer\Extension;

/**
*/
class Feed extends Extension\AbstractRenderer {

  /**
   * Set to TRUE if a rendering method actually renders something. This
   * is used to prevent premature appending of a XML namespace declaration
   * until an element which requires it is actually appended.
   *
   * @var bool
   */
  protected $called = false;

  /**
   * Render feed
   *
   * @return void
   */
  public function render() {

    /**
     * RSS 2.0 only. Used mainly to include Atom links and
     * Pubsubhubbub Hub endpoint URIs under the Atom namespace
     */
    if (strtolower($this
      ->getType()) == 'atom') {
      return;
    }
    $this
      ->_setFeedLinks($this->dom, $this->base);
    $this
      ->_setHubs($this->dom, $this->base);
    if ($this->called) {
      $this
        ->_appendNamespaces();
    }
  }

  /**
   * Append namespaces to root element of feed
   *
   * @return void
   */
  protected function _appendNamespaces() {
    $this
      ->getRootElement()
      ->setAttribute('xmlns:atom', 'http://www.w3.org/2005/Atom');
  }

  /**
   * Set feed link elements
   *
   * @param  DOMDocument $dom
   * @param  DOMElement $root
   * @return void
   */
  protected function _setFeedLinks(DOMDocument $dom, DOMElement $root) {
    $flinks = $this
      ->getDataContainer()
      ->getFeedLinks();
    if (!$flinks || empty($flinks)) {
      return;
    }
    foreach ($flinks as $type => $href) {
      if (strtolower($type) == $this
        ->getType()) {

        // issue 2605
        $mime = 'application/' . strtolower($type) . '+xml';
        $flink = $dom
          ->createElement('atom:link');
        $root
          ->appendChild($flink);
        $flink
          ->setAttribute('rel', 'self');
        $flink
          ->setAttribute('type', $mime);
        $flink
          ->setAttribute('href', $href);
      }
    }
    $this->called = true;
  }

  /**
   * Set PuSH hubs
   *
   * @param  DOMDocument $dom
   * @param  DOMElement $root
   * @return void
   */
  protected function _setHubs(DOMDocument $dom, DOMElement $root) {
    $hubs = $this
      ->getDataContainer()
      ->getHubs();
    if (!$hubs || empty($hubs)) {
      return;
    }
    foreach ($hubs as $hubUrl) {
      $hub = $dom
        ->createElement('atom:link');
      $hub
        ->setAttribute('rel', 'hub');
      $hub
        ->setAttribute('href', $hubUrl);
      $root
        ->appendChild($hub);
    }
    $this->called = true;
  }

}

Classes

Name	Description
Feed