diff core/modules/serialization/src/Encoder/XmlEncoder.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/serialization/src/Encoder/XmlEncoder.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,84 @@
+<?php
+
+namespace Drupal\serialization\Encoder;
+
+use Symfony\Component\Serializer\Encoder\EncoderInterface;
+use Symfony\Component\Serializer\Encoder\DecoderInterface;
+use Symfony\Component\Serializer\Encoder\SerializerAwareEncoder;
+use Symfony\Component\Serializer\Encoder\XmlEncoder as BaseXmlEncoder;
+
+/**
+ * Adds XML support for serializer.
+ *
+ * This acts as a wrapper class for Symfony's XmlEncoder so that it is not
+ * implementing NormalizationAwareInterface, and can be normalized externally.
+ */
+class XmlEncoder extends SerializerAwareEncoder implements EncoderInterface, DecoderInterface {
+
+  /**
+   * The formats that this Encoder supports.
+   *
+   * @var array
+   */
+  static protected $format = ['xml'];
+
+  /**
+   * An instance of the Symfony XmlEncoder to perform the actual encoding.
+   *
+   * @var \Symfony\Component\Serializer\Encoder\XmlEncoder
+   */
+  protected $baseEncoder;
+
+  /**
+   * Gets the base encoder instance.
+   *
+   * @return \Symfony\Component\Serializer\Encoder\XmlEncoder
+   *   The base encoder.
+   */
+  public function getBaseEncoder() {
+    if (!isset($this->baseEncoder)) {
+      $this->baseEncoder = new BaseXmlEncoder();
+      $this->baseEncoder->setSerializer($this->serializer);
+    }
+
+    return $this->baseEncoder;
+  }
+
+  /**
+   * Sets the base encoder instance.
+   *
+   * @param \Symfony\Component\Serializer\Encoder\XmlEncoder $encoder
+   */
+  public function setBaseEncoder($encoder) {
+    $this->baseEncoder = $encoder;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function encode($data, $format, array $context = []){
+    return $this->getBaseEncoder()->encode($data, $format, $context);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function supportsEncoding($format) {
+    return in_array($format, static::$format);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function decode($data, $format, array $context = []){
+    return $this->getBaseEncoder()->decode($data, $format, $context);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function supportsDecoding($format) {
+    return in_array($format, static::$format);
+  }
+
+}