FormatterHalXml.php in RESTful 7.2

Contains \Drupal\restful\Plugin\formatter\FormatterHalJson.

Namespace

Drupal\restful_example\Plugin\formatter

File

modules/restful_example/src/Plugin/formatter/FormatterHalXml.php

<?php

/**
 * @file
 * Contains \Drupal\restful\Plugin\formatter\FormatterHalJson.
 */
namespace Drupal\restful_example\Plugin\formatter;

use Drupal\restful\Plugin\formatter\FormatterHalJson;
use Drupal\restful\Plugin\formatter\FormatterInterface;

/**
 * Class FormatterHalXml
 * @package Drupal\restful\Plugin\formatter
 *
 * @Formatter(
 *   id = "hal_xml",
 *   label = "HAL+XML",
 *   description = "Output in using the HAL conventions and XML format.",
 *   curie = {
 *     "name": "hal",
 *     "path": "doc/rels",
 *     "template": "/{rel}",
 *   },
 * )
 */
class FormatterHalXml extends FormatterHalJson implements FormatterInterface {

  /**
   * Content Type
   *
   * @var string
   */
  protected $contentType = 'application/xml; charset=utf-8';

  /**
   * {@inheritdoc}
   */
  public function render(array $structured_data) {
    return $this
      ->arrayToXML($structured_data, new \SimpleXMLElement('<api/>'))
      ->asXML();
  }

  /**
   * Converts the input array into an XML formatted string.
   *
   * @param array $data
   *   The input array.
   * @param \SimpleXMLElement $xml
   *   The object that will perform the conversion.
   *
   * @return \SimpleXMLElement
   */
  protected function arrayToXML(array $data, \SimpleXMLElement $xml) {
    foreach ($data as $key => $value) {
      if (is_array($value)) {
        if (!is_numeric($key)) {
          $subnode = $xml
            ->addChild("{$key}");
          $this
            ->arrayToXML($value, $subnode);
        }
        else {
          $subnode = $xml
            ->addChild("item{$key}");
          $this
            ->arrayToXML($value, $subnode);
        }
      }
      else {
        $xml
          ->addChild("{$key}", htmlspecialchars("{$value}"));
      }
    }
    return $xml;
  }

}

Classes

Name	Description
FormatterHalXml	Class FormatterHalXml @package Drupal\restful\Plugin\formatter