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ObjectSerializer.php
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ObjectSerializer.php
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<?php declare(strict_types=1);
/*
* This file is part of the Koded package.
*
* (c) Mihail Binev <mihail@kodeart.com>
*
* Please view the LICENSE distributed with this source code
* for the full copyright and license information.
*/
namespace Koded\Serializer;
use Koded\Exceptions\SerializerException;
use Koded\Serializer\Metadata\XmlLoader;
use Koded\Serializer\Normalizer\{CollectionNormalizer, DateTimeNormalizer, JsonNormalizer, ObjectNormalizer};
use Koded\Stdlib\Serializer\JsonSerializer;
use Psr\SimpleCache\CacheInterface;
use Throwable;
final class ObjectSerializer implements Serializer
{
/** @var \Koded\Stdlib\Serializer */
private $encoder;
/** @var Normalizer[] | Denormalizer[] */
private $normalizers = [];
/** @var ConfigurationLoader */
private $configLoader;
/** @var CacheInterface */
private $cache;
public function __construct(ConfigurationLoader $conf = null)
{
$this->configLoader = $conf ?? new XmlLoader;
$this->encoder = new JsonSerializer(0, false);
$this->cache = new NoCache;
if ($this->configLoader->getParameter('@normalizers', true)) {
$this->normalizers[CollectionNormalizer::class] = new CollectionNormalizer;
$this->normalizers[ObjectNormalizer::class] = new ObjectNormalizer;
$this->normalizers[JsonNormalizer::class] = new JsonNormalizer;
$this->normalizers[DateTimeNormalizer::class] = new DateTimeNormalizer;
}
try {
foreach ($this->configLoader->getParameter('normalizer', []) as $normalizer) {
$args = array_column($normalizer['argument'] ?? [], '#');
$this->addNormalizer(new $normalizer['@class'](...$args));
}
} catch (Throwable $e) {
throw SerializationError::forInvalidConfigurationParameter(get_class($this), 'normalizer');
}
}
public function serialize($value): string
{
$value = $this->normalize($value);
if (null === $value || is_scalar($value)) {
return $value;
}
return $this->encoder->serialize($value);
}
public function unserialize($serialized, string $type, object $target = null)
{
$normalized = $this->encoder->unserialize($serialized) ?: $serialized;
return $this->denormalize($normalized, $type, $target);
}
public function normalize($value)
{
$type = is_object($value) ? get_class($value) : gettype($value);
if (null === $normalizer = $this->findNormalizer($value, $type)) {
throw SerializationError::forUnknownNormalizerType($type);
}
return $normalizer->normalize($this, $value);
}
public function denormalize($normalized, string $type, object $target = null)
{
if (null === $normalizer = $this->findDenormalizer($type)) {
$t = is_object($target) ? get_class($target) : gettype($target);
throw SerializationError::forUnknownDenormalizerType($type, $t);
}
return $normalizer->denormalize($this, $normalized, $type, $target);
}
public function addNormalizer(Normalizer $normalizer): Serializer
{
// append the instance to the stack
$this->normalizers = array_merge([get_class($normalizer) => $normalizer], $this->normalizers);
return $this;
}
/**
* @codeCoverageIgnore
* @inheritDoc
*/
public function withCache(CacheInterface $cache): Serializer
{
$this->cache = $cache;
return $this;
}
/**
* @codeCoverageIgnore
* @inheritDoc
*/
public function withConfigurationLoader(ConfigurationLoader $loader): Serializer
{
$this->configLoader = $loader;
return $this;
}
public function getCache(): CacheInterface
{
return $this->cache;
}
public function getConfigurationLoader(): ConfigurationLoader
{
return $this->configLoader;
}
private function findNormalizer($value, string $type): ?Normalizer
{
if (isset($this->normalizers[$type])) {
return $this->normalizers[$type];
}
foreach ($this->normalizers as $instance) {
if ($instance->canNormalize($value)) {
$this->normalizers[$type] = $instance;
return $instance;
}
}
return null;
}
private function findDenormalizer(string $type): ?Denormalizer
{
if (isset($this->normalizers[$type])) {
return $this->normalizers[$type];
}
foreach ($this->normalizers as $instance) {
if ($instance->canDenormalize($type)) {
$this->normalizers[$type] = $instance;
return $instance;
}
}
return null;
}
}
class SerializationError extends SerializerException
{
protected $messages = [
0 => ':message',
1 => 'Unavailable normalizer for type ":type"',
2 => 'Unavailable de-normalizer for ":class" and type ":type"',
3 => 'No mapping was found in class ":class". Did you configure the correct namespaces and paths?',
4 => 'Circular reference detected for class ":class"',
5 => 'Invalid class provided: ":class":',
6 => 'Invalid loading strategy ":runtime". Supports [production, dev, debug]',
7 => 'Required field ":name" is missing',
8 => 'Invalid configuration parameter ":param" for ":class"',
];
public function __construct(int $code, array $arguments = [], Throwable $previous = null)
{
parent::__construct($code, $arguments, $previous);
$this->code = \Koded\Stdlib\Serializer::E_INVALID_SERIALIZER;
}
public static function forUnknownNormalizerType(string $type)
{
return new self(1, [':type' => $type]);
}
public static function forUnknownDenormalizerType(string $class, string $type)
{
return new self(2, [':class' => $class,':type' => $type]);
}
public static function forMissingMapping(string $class)
{
return new self(3, [':class' => $class]);
}
public static function forCircularReference(string $class)
{
return new self(4, [':class' => $class]);
}
public static function forInvalidClass(string $class)
{
return new self(5, [':class' => $class]);
}
public static function forInvalidLoadingStrategy(string $runtime)
{
return new self(6, [':runtime' => $runtime]);
}
public static function forMissingField(string $name)
{
return new self(7, [':name' => $name]);
}
public static function forInvalidConfigurationParameter(string $class, string $parameter)
{
return new self(8, [':param' => $parameter, ':class' => $class]);
}
}