DMFeedRepresentationTransformer.php

<?php
#
# dmBridge: a data access framework for CONTENTdm(R)
#
# Copyright © 2009, 2010, 2011 Board of Regents of the Nevada System of Higher
# Education, on behalf of the University of Nevada, Las Vegas
#

abstract class DMFeedRepresentationTransformer
extends DMAbstractRepresentationTransformer {

   private $subtitle, $title;
   protected $dxml;


   public function __construct() {
      parent::__construct();
      $this->dxml = new DOMDocument();
      $this->dxml->preserveWhiteSpace = false;
   }

   public function output() {
      $this->dxml->formatOutput = true;
      return $this->dxml->saveXML();
   }

   protected final function getSubtitle() {
      if (!$this->subtitle) {
         $this->subtitle = DMConfigXML::getInstance()->getFeedSubtitle();
      }
      return $this->subtitle;
   }

   protected final function getTitle() {
      if (!$this->title) {
         $this->title = DMConfigXML::getInstance()->getFeedTitle();
      }
      return $this->title;
   }

}