--- /dev/null
+<?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\DublinCore\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 $called = false;
+
+ /**
+ * Render feed
+ *
+ * @return void
+ */
+ public function render()
+ {
+ if (strtolower($this->getType()) == 'atom') {
+ return;
+ }
+ $this->_setAuthors($this->dom, $this->base);
+ if ($this->called) {
+ $this->_appendNamespaces();
+ }
+ }
+
+ /**
+ * Append namespaces to feed element
+ *
+ * @return void
+ */
+ // @codingStandardsIgnoreStart
+ protected function _appendNamespaces()
+ {
+ // @codingStandardsIgnoreEnd
+ $this->getRootElement()->setAttribute(
+ 'xmlns:dc',
+ 'http://purl.org/dc/elements/1.1/'
+ );
+ }
+
+ /**
+ * Set feed authors
+ *
+ * @param DOMDocument $dom
+ * @param DOMElement $root
+ * @return void
+ */
+ // @codingStandardsIgnoreStart
+ protected function _setAuthors(DOMDocument $dom, DOMElement $root)
+ {
+ // @codingStandardsIgnoreEnd
+ $authors = $this->getDataContainer()->getAuthors();
+ if (! $authors || empty($authors)) {
+ return;
+ }
+ foreach ($authors as $data) {
+ $author = $this->dom->createElement('dc:creator');
+ if (array_key_exists('name', $data)) {
+ $text = $dom->createTextNode($data['name']);
+ $author->appendChild($text);
+ $root->appendChild($author);
+ }
+ }
+ $this->called = true;
+ }
+}